/*
* Copyright (c) 2012-2015 Matthew Seaman <matthew@FreeBSD.org>
* Copyright (c) 2014-2020 Baptiste Daroussin <bapt@FreeBSD.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer
* in this position and unchanged.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "bsd_compat.h"
#include <sys/types.h>
#include <sys/stat.h>
/* musl libc apparently does not have ALLPERMS */
#ifndef ALLPERMS
#define ALLPERMS (S_ISUID|S_ISGID|S_ISTXT|S_IRWXU|S_IRWXG|S_IRWXO)
#endif
#include <assert.h>
#include <ctype.h>
#include <inttypes.h>
#include <stdarg.h>
#include <stdio.h>
#include <string.h>
#include <time.h>
#include <utlist.h>
#include "pkg.h"
#include <xstring.h>
#include <private/pkg_printf.h>
#include <private/pkg.h>
/*
* Format codes
* Arg Type What
* A pkg Package annotations
* An pkg_note Annotation tag name
* Av pkg_note Annotation value
*
* B pkg List of required shared libraries
* Bn pkg_shlib Shared library name
*
* C pkg List of categories
* Cn pkg_category Category name
*
* D pkg List of directories
* Df pkg_dir File flags of directory
* Dg pkg_dir Group owner of directory
* Dk pkg_dir Keep flag
* Dn pkg_dir Directory path name
* Dp pkg_dir Directory permissions
* Dt pkg_dir Try flag (@dirrmtry in plist)
* Du pkg_dir User owner of directory
*
* E
*
* F pkg List of files
* Ff pkg_file File flags of file
* Fg pkg_file Group owner of file
* Fk pkg_file Keep flag
* Fl pkg_file File modification time
* Fn pkg_file File path name
* Fp pkg_file File permissions
* Fs pkg_file File SHA256 checksum
* Ft pkg_file File symlink target
* Fu pkg_file User owner of file
*
* G pkg List of groups
* Gn pkg_group Group name
*
* H
*
* I int* Row counter
*
* J
* K
*
* L pkg List of licenses
* Ln pkg_license Licence name
*
* M pkg Message
* N pkg Reponame
*
* O pkg List of options
* On pkg_kv Option name (key)
* Ov pkg_kv Option value
*
* P pkg
* Q
*
* R pkg Repopath
* S char* Arbitrary character string
*
* T
*
* U pkg List of users
* Un pkg_user User name
*
* V pkg old version
* W
* X pkg Internal Checksum
* Y pkg List of requires
* Yn pkg_provide Name of the require
* Z
*
* a pkg autoremove flag
*
* b pkg List of provided shared libraries
* bn pkg_shlib Shared library name
*
* c pkg comment
*
* d pkg List of dependencies
* dk pkg_dep dependency lock status
* dn pkg_dep dependency name
* do pkg_dep dependency origin
* dv pkg_dep dependency version
*
* e pkg Package description
*
* f
* g
* h
* i
* j
*
* k pkg lock status
* l pkg license logic
* m pkg maintainer
* n pkg name
* o pkg origin
* p pkg prefix
* q pkg architecture / ABI
* r pkg List of requirements
* rk pkg_dep requirement lock status
* rn pkg_dep requirement name
* ro pkg_dep requirement origin
* rv pkg_dep requirement version
*
* s pkg flatsize
* t pkg install timestamp
* u pkg checksum
* v pkg version
* w pkg home page URL
*
* x pkg pkg tarball size
* y pkg List of provides
* yn pkg_provide name of the provide
*
* z pkg short checksum
*/
static xstring *pkg_xstring_vprintf(xstring * restrict buf, const char * restrict format, va_list ap);
struct pkg_printf_fmt {
char fmt_main;
char fmt_sub;
bool has_trailer;
bool struct_pkg; /* or else a sub-type? */
unsigned context;
xstring *(*fmt_handler)(xstring *, const void *,
struct percent_esc *);
};
/*
* These are in pkg_fmt_t order, which is necessary for the parsing
* algorithm.
*/
static const struct pkg_printf_fmt fmt[] = {
[PP_PKG_ANNOTATION_NAME] =
{
'A',
'n',
false,
false,
PP_PKG|PP_A,
&format_annotation_name,
},
[PP_PKG_ANNOTATION_VALUE] =
{
'A',
'v',
false,
false,
PP_PKG|PP_A,
&format_annotation_value,
},
[PP_PKG_ANNOTATIONS] =
{
'A',
'\0',
true,
true,
PP_PKG,
&format_annotations,
},
[PP_PKG_SHLIB_REQUIRED_NAME] =
{
'B',
'n',
false,
false,
PP_PKG|PP_B,
&format_shlib_name,
},
[PP_PKG_SHLIBS_REQUIRED] =
{
'B',
'\0',
true,
true,
PP_PKG,
&format_shlibs_required,
},
[PP_PKG_CATEGORY_NAME] =
{
'C',
'n',
false,
false,
PP_PKG|PP_C,
&format_category_name,
},
[PP_PKG_CATEGORIES] =
{
'C',
'\0',
true,
true,
PP_PKG,
&format_categories,
},
[PP_PKG_DIRECTORY_FFLAGS] = {
'D',
'f',
false,
false,
PP_PKG|PP_D,
&format_directory_fflags,
},
[PP_PKG_DIRECTORY_GROUP] =
{
'D',
'g',
false,
false,
PP_PKG|PP_D,
&format_directory_group,
},
[PP_PKG_DIRECTORY_PATH] =
{
'D',
'n',
false,
false,
PP_PKG|PP_D,
&format_directory_path,
},
[PP_PKG_DIRECTORY_PERMS] =
{
'D',
'p',
false,
false,
PP_PKG|PP_D,
&format_directory_perms,
},
[PP_PKG_DIRECTORY_USER] =
{
'D',
'u',
false,
false,
PP_PKG|PP_D,
&format_directory_user,
},
[PP_PKG_DIRECTORIES] =
{
'D',
'\0',
true,
true,
PP_PKG,
&format_directories,
},
[PP_PKG_FILE_FFLAGS] =
{
'F',
'f',
false,
false,
PP_PKG|PP_F,
&format_file_fflags,
},
[PP_PKG_FILE_GROUP] =
{
'F',
'g',
false,
false,
PP_PKG|PP_F,
&format_file_group,
},
[PP_PKG_FILE_MTIME] =
{
'F',
'l',
false,
false,
PP_PKG|PP_F,
&format_file_mtime,
},
[PP_PKG_FILE_PATH] =
{
'F',
'n',
false,
false,
PP_PKG|PP_F,
&format_file_path,
},
[PP_PKG_FILE_PERMS] =
{
'F',
'p',
false,
false,
PP_PKG|PP_F,
&format_file_perms,
},
[PP_PKG_FILE_SHA256] =
{
'F',
's',
false,
false,
PP_PKG|PP_F,
&format_file_sha256,
},
[PP_PKG_FILE_SYMLINK_TARGET] =
{
'F',
't',
false,
false,
PP_PKG|PP_F,
&format_file_symlink_target,
},
[PP_PKG_FILE_USER] =
{
'F',
'u',
false,
false,
PP_PKG|PP_F,
&format_file_user,
},
[PP_PKG_FILES] =
{
'F',
'\0',
true,
true,
PP_PKG,
&format_files,
},
[PP_PKG_GROUP_NAME] =
{
'G',
'n',
false,
false,
PP_PKG|PP_G,
&format_group_name,
},
[PP_PKG_GROUPS] =
{
'G',
'\0',
true,
true,
PP_PKG,
&format_groups,
},
[PP_ROW_COUNTER] =
{
'I',
'\0',
false,
false,
PP_TRAILER,
&format_row_counter,
},
[PP_PKG_LICENSE_NAME] =
{
'L',
'n',
false,
false,
PP_PKG|PP_L,
&format_license_name,
},
[PP_PKG_LICENSES] =
{
'L',
'\0',
true,
true,
PP_PKG,
&format_licenses,
},
[PP_PKG_MESSAGE] =
{
'M',
'\0',
false,
true,
PP_ALL,
&format_message,
},
[PP_PKG_REPO_IDENT] =
{
'N',
'\0',
false,
true,
PP_ALL,
&format_repo_ident,
},
[PP_PKG_OPTION_NAME] =
{
'O',
'n',
false,
false,
PP_PKG|PP_O,
&format_option_name,
},
[PP_PKG_OPTION_VALUE] =
{
'O',
'v',
false,
false,
PP_PKG|PP_O,
&format_option_value,
},
[PP_PKG_OPTIONS] =
{
'O',
'\0',
true,
true,
PP_PKG,
&format_options,
},
[PP_PKG_ALTABI] =
{
'Q',
'\0',
false,
true,
PP_ALL,
&format_altabi,
},
[PP_PKG_REPO_PATH] =
{
'R',
'\0',
false,
true,
PP_ALL,
&format_repo_path,
},
[PP_PKG_CHAR_STRING] =
{
'S',
'\0',
false,
false,
PP_PKG,
&format_char_string,
},
[PP_PKG_USER_NAME] =
{
'U',
'n',
false,
false,
PP_PKG|PP_U,
&format_user_name,
},
[PP_PKG_USERS] =
{
'U',
'\0',
true,
true,
PP_PKG,
&format_users,
},
[PP_PKG_OLD_VERSION] =
{
'V',
'\0',
false,
true,
PP_ALL,
&format_old_version,
},
[PP_PKG_REQUIRED_NAME] = {
'Y',
'n',
false,
false,
PP_PKG|PP_Y,
&format_provide_name,
},
[PP_PKG_REQUIRED] = {
'Y',
'\0',
true,
true,
PP_PKG,
&format_required,
},
[PP_PKG_AUTOREMOVE] =
{
'a',
'\0',
false,
true,
PP_ALL,
&format_autoremove,
},
[PP_PKG_SHLIB_PROVIDED_NAME] =
{
'b',
'n',
false,
false,
PP_PKG|PP_b,
&format_shlib_name,
},
[PP_PKG_SHLIBS_PROVIDED] =
{
'b',
'\0',
true,
true,
PP_PKG,
&format_shlibs_provided,
},
[PP_PKG_COMMENT] =
{
'c',
'\0',
false,
true,
PP_ALL,
&format_comment,
},
[PP_PKG_DEPENDENCY_LOCK] =
{
'd',
'k',
false,
false,
PP_PKG|PP_d,
&format_dependency_lock,
},
[PP_PKG_DEPENDENCY_NAME] =
{
'd',
'n',
false,
false,
PP_PKG|PP_d,
&format_dependency_name,
},
[PP_PKG_DEPENDENCY_ORIGIN] =
{
'd',
'o',
false,
false,
PP_PKG|PP_d,
&format_dependency_origin,
},
[PP_PKG_DEPENDENCY_VERSION] =
{
'd',
'v',
false,
false,
PP_PKG|PP_d,
&format_dependency_version,
},
[PP_PKG_DEPENDENCIES] =
{
'd',
'\0',
true,
true,
PP_PKG,
&format_dependencies,
},
[PP_PKG_DESCRIPTION] =
{
'e',
'\0',
false,
true,
PP_ALL,
&format_description,
},
[PP_PKG_LOCK_STATUS] =
{
'k',
'\0',
false,
true,
PP_ALL,
&format_lock_status,
},
[PP_PKG_LICENSE_LOGIC] =
{
'l',
'\0',
false,
true,
PP_ALL,
&format_license_logic,
},
[PP_PKG_MAINTAINER] =
{
'm',
'\0',
false,
true,
PP_ALL,
&format_maintainer,
},
[PP_PKG_NAME] =
{
'n',
'\0',
false,
true,
PP_ALL,
&format_name, },
[PP_PKG_ORIGIN] =
{
'o',
'\0',
false,
true,
PP_ALL,
&format_origin,
},
[PP_PKG_PREFIX] =
{
'p',
'\0',
false,
true,
PP_ALL,
&format_prefix,
},
[PP_PKG_ARCHITECTURE] =
{
'q',
'\0',
false,
true,
PP_ALL,
&format_architecture,
},
[PP_PKG_REQUIREMENT_LOCK] =
{
'r',
'k',
false,
false,
PP_PKG|PP_r,
&format_dependency_lock,
},
[PP_PKG_REQUIREMENT_NAME] =
{
'r',
'n',
false,
false,
PP_PKG|PP_r,
&format_dependency_name,
},
[PP_PKG_REQUIREMENT_ORIGIN] =
{
'r',
'o',
false,
false,
PP_PKG|PP_r,
&format_dependency_origin,
},
[PP_PKG_REQUIREMENT_VERSION] =
{
'r',
'v',
false,
false,
PP_PKG|PP_r,
&format_dependency_version,
},
[PP_PKG_REQUIREMENTS] =
{
'r',
'\0',
true,
true,
PP_PKG,
&format_requirements,
},
[PP_PKG_FLATSIZE] =
{
's',
'\0',
false,
true,
PP_ALL,
&format_flatsize,
},
[PP_PKG_INSTALL_TIMESTAMP] =
{
't',
'\0',
true,
true,
PP_ALL,
&format_install_tstamp,
},
[PP_PKG_CHECKSUM] =
{
'u',
'\0',
false,
true,
PP_ALL,
&format_checksum,
},
[PP_PKG_VERSION] =
{
'v',
'\0',
false,
true,
PP_ALL,
&format_version,
},
[PP_PKG_HOME_PAGE] =
{
'w',
'\0',
false,
true,
PP_ALL,
&format_home_url,
},
[PP_PKG_PKGSIZE] =
{
'x',
'\0',
false,
true,
PP_ALL,
&format_pkgsize,
},
[PP_PKG_PROVIDED_NAME] = {
'y',
'n',
false,
false,
PP_PKG|PP_y,
&format_provide_name,
},
[PP_PKG_PROVIDED] = {
'y',
'\0',
true,
true,
PP_PKG,
&format_provided,
},
[PP_PKG_SHORT_CHECKSUM] =
{
'z',
'\0',
false,
true,
PP_ALL,
&format_short_checksum,
},
[PP_PKG_INT_CHECKSUM] =
{
'X',
'\0',
false,
true,
PP_ALL,
&format_int_checksum,
},
[PP_PKG_OPTION_KEY] =
{
'O',
'k',
false,
false,
PP_PKG|PP_O,
&format_option_name,
},
[PP_PKG_ANNOTATION_TAG] =
{
'A',
't',
false,
false,
PP_PKG|PP_A,
&format_annotation_name,
},
[PP_LITERAL_PERCENT] =
{
'%',
'\0',
false,
false,
PP_ALL,
&format_literal_percent,
},
[PP_UNKNOWN] =
{
'\0',
'\0',
false,
false,
PP_ALL,
&format_unknown,
},
[PP_END_MARKER] =
{
'\0',
'\0',
false,
false,
0,
NULL,
},
};
static xstring *
format_fflags(xstring *buf, u_long fflags, struct percent_esc *p)
{
xstring *ret;
if (fflags == 0) {
ret = string_val(buf, "-", p);
} else {
#ifdef HAVE_FFLAGSTOSTR
char *fflags_str = fflagstostr(fflags);
ret = string_val(buf, fflags_str, p);
free(fflags_str);
#else
ret = string_val(buf, "-", p);
#endif
}
return (ret);
}
static xstring *
format_time_t(xstring *buf, time_t timestamp, struct percent_esc *p)
{
fflush(p->item_fmt->fp);
if (strlen(p->item_fmt->buf) == 0)
return (int_val(buf, timestamp, p));
else {
char buffer[1024];
time_t tsv;
tsv = timestamp;
strftime(buffer, sizeof(buffer), p->item_fmt->buf,
localtime(&tsv));
fprintf(buf->fp, "%s", buffer);
}
return (buf);
}
/*
* Note: List values -- special behaviour with ? and # modifiers.
* Affects %A %B %C %D %F %G %L %O %U %b %d %r
*
* With ? -- Flag values. Boolean. %?X returns 0 if the %X list is
* empty, 1 otherwise.
*
* With # -- Count values. Integer. %#X returns the number of items in
* the %X list.
*/
/*
* %A -- Annotations. Free-form tag+value text that can be added to
* packages. Optionally accepts per-field format in %{ %| %} Default
* %{%An: %Av\n%|%}
*/
xstring *
format_annotations(xstring *buf, const void *data, struct percent_esc *p)
{
const struct pkg *pkg = data;
int count;
if (p->flags & (PP_ALTERNATE_FORM1|PP_ALTERNATE_FORM2)) {
return (list_count(buf, vec_len(&pkg->annotations), p));
} else {
set_list_defaults(p, "%An: %Av\n", "");
count = 1;
fflush(p->sep_fmt->fp);
fflush(p->item_fmt->fp);
vec_foreach(pkg->annotations, i) {
if (count > 1)
iterate_item(buf, pkg, p->sep_fmt->buf,
pkg->annotations.d[i], count, PP_A);
iterate_item(buf, pkg, p->item_fmt->buf,
pkg->annotations.d[i], count, PP_A);
count++;
}
}
return (buf);
}
/*
* %An -- Annotation tag name.
*/
xstring *
format_annotation_name(xstring *buf, const void *data, struct percent_esc *p)
{
const struct pkg_kv *kv = data;
return (string_val(buf, kv == NULL ? NULL: kv->key, p));
}
/*
* %Av -- Annotation value.
*/
xstring *
format_annotation_value(xstring *buf, const void *data, struct percent_esc *p)
{
const struct pkg_kv *kv = data;
return (string_val(buf, kv == NULL ? NULL: kv->value, p));
}
/*
* %B -- Required Shared Libraries. List of shlibs required by
* binaries in the pkg. Optionally accepts per-field format in %{ %|
* %}. Default %{%Bn\n%|%}
*/
xstring *
format_shlibs_required(xstring *buf, const void *data, struct percent_esc *p)
{
const struct pkg *pkg = data;
if (p->flags & (PP_ALTERNATE_FORM1|PP_ALTERNATE_FORM2))
return (list_count(buf, vec_len(&pkg->shlibs_required), p));
else {
int count;
set_list_defaults(p, "%Bn\n", "");
count = 1;
fflush(p->sep_fmt->fp);
fflush(p->item_fmt->fp);
vec_foreach(pkg->shlibs_required, i) {
if (count > 1)
iterate_item(buf, pkg, p->sep_fmt->buf,
pkg->shlibs_required.d[i], count, PP_B);
iterate_item(buf, pkg, p->item_fmt->buf,
pkg->shlibs_required.d[i], count, PP_B);
count++;
}
}
return (buf);
}
/*
* %Bn -- Required Shared Library name or %bn -- Provided Shared
* Library name
*/
xstring *
format_shlib_name(xstring *buf, const void *data, struct percent_esc *p)
{
const char *shlib = data;
return (string_val(buf, shlib, p));
}
/*
* %C -- Categories. List of Category names (strings). 1ary category
* is not distinguished -- look at the package origin for that.
* Optionally accepts per-field format in %{ %| %}, where %n is
* replaced by the category name. Default %{%Cn%|, %}
*/
xstring *
format_categories(xstring *buf, const void *data, struct percent_esc *p)
{
const struct pkg *pkg = data;
int count = 0;
if (p->flags & (PP_ALTERNATE_FORM1|PP_ALTERNATE_FORM2)) {
return (list_count(buf, vec_len(&pkg->categories), p));
} else {
set_list_defaults(p, "%Cn", ", ");
count = 1;
fflush(p->sep_fmt->fp);
fflush(p->item_fmt->fp);
vec_foreach(pkg->categories, i) {
if (count > 1)
iterate_item(buf, pkg, p->sep_fmt->buf,
pkg->categories.d[i], count, PP_C);
iterate_item(buf, pkg, p->item_fmt->buf, pkg->categories.d[i],
count, PP_C);
count++;
}
}
return (buf);
}
/*
* %Cn -- Category name.
*/
xstring *
format_category_name(xstring *buf, const void *data, struct percent_esc *p)
{
const char *cat = data;
return (string_val(buf, cat, p));
}
/*
* %D -- Directories. List of directory names (strings) possibly with
* other meta-data. Optionally accepts following per-field format in
* %{ %| %}, where %Dn is replaced by the directory name. Default
* %{%Dn\n%|%}
*/
xstring *
format_directories(xstring *buf, const void *data, struct percent_esc *p)
{
const struct pkg *pkg = data;
if (p->flags & (PP_ALTERNATE_FORM1|PP_ALTERNATE_FORM2))
return (list_count(buf, pkg_list_count(pkg, PKG_DIRS), p));
else {
struct pkg_dir *dir = NULL;
int count;
set_list_defaults(p, "%Dn\n", "");
count = 1;
fflush(p->sep_fmt->fp);
fflush(p->item_fmt->fp);
while (pkg_dirs(pkg, &dir) == EPKG_OK) {
if (count > 1)
iterate_item(buf, pkg, p->sep_fmt->buf,
dir, count, PP_D);
iterate_item(buf, pkg, p->item_fmt->buf,
dir, count, PP_D);
count++;
}
}
return (buf);
}
/*
* %Df -- Directory flags.
*/
xstring *
format_directory_fflags(xstring *buf, const void *data, struct percent_esc *p)
{
const struct pkg_dir *dir = data;
return (format_fflags(buf, dir->fflags, p));
}
/*
* %Dg -- Directory group. TODO: numeric gid
*/
xstring *
format_directory_group(xstring *buf, const void *data,
struct percent_esc *p)
{
const struct pkg_dir *dir = data;
return (string_val(buf, dir == NULL ? NULL: dir->gname, p));
}
/*
* %Dn -- Directory path name.
*/
xstring *
format_directory_path(xstring *buf, const void *data, struct percent_esc *p)
{
const struct pkg_dir *dir = data;
return (string_val(buf, dir == NULL ? NULL: dir->path, p));
}
/*
* %Dp -- Directory permissions.
*/
xstring *
format_directory_perms(xstring *buf, const void *data,
struct percent_esc *p)
{
const struct pkg_dir *dir = data;
return (mode_val(buf, dir->perm, p));
}
/*
* %Du -- Directory user. TODO: numeric UID
*/
xstring *
format_directory_user(xstring *buf, const void *data,
struct percent_esc *p)
{
const struct pkg_dir *dir = data;
return (string_val(buf, dir == NULL ? NULL: dir->uname, p));
}
/*
* %F -- Files. List of filenames (strings) possibly with other
* meta-data. Optionally accepts following per-field format in %{ %|
* %}, where %n is replaced by the filename, %s by the checksum, etc.
* Default %{%Fn\n%|%}
*/
xstring *
format_files(xstring *buf, const void *data, struct percent_esc *p)
{
const struct pkg *pkg = data;
if (p->flags & (PP_ALTERNATE_FORM1|PP_ALTERNATE_FORM2))
return (list_count(buf, pkg_list_count(pkg, PKG_FILES), p));
else {
struct pkg_file *file = NULL;
int count;
set_list_defaults(p, "%Fn\n", "");
count = 1;
fflush(p->sep_fmt->fp);
fflush(p->item_fmt->fp);
LL_FOREACH(pkg->files, file) {
if (count > 1)
iterate_item(buf, pkg, p->sep_fmt->buf,
file, count, PP_F);
iterate_item(buf, pkg, p->item_fmt->buf,
file, count, PP_F);
count++;
}
}
return (buf);
}
/*
* %Fm -- File modification time.
*/
xstring *
format_file_mtime(xstring *buf, const void *data, struct percent_esc *p)
{
const struct pkg_file *file = data;
return (format_time_t(buf, file->time[1].tv_sec, p));
}
/*
* %Fg -- File group.
*/
xstring *
format_file_group(xstring *buf, const void *data, struct percent_esc *p)
{
const struct pkg_file *file = data;
return (string_val(buf, file == NULL ? NULL: file->gname, p));
}
/*
* %Fn -- File path name.
*/
xstring *
format_file_path(xstring *buf, const void *data, struct percent_esc *p)
{
const struct pkg_file *file = data;
return (string_val(buf, file == NULL ? NULL: file->path, p));
}
/*
* %Fp -- File permissions.
*/
xstring *
format_file_perms(xstring *buf, const void *data, struct percent_esc *p)
{
const struct pkg_file *file = data;
return (mode_val(buf, file->perm, p));
}
/*
* %Fs -- File SHA256 Checksum.
*/
xstring *
format_file_sha256(xstring *buf, const void *data, struct percent_esc *p)
{
const struct pkg_file *file = data;
return (string_val(buf, file == NULL ? NULL: file->sum, p));
}
/*
* %Ft -- File symlink target.
*/
xstring *
format_file_symlink_target(xstring *buf, const void *data, struct percent_esc *p)
{
const struct pkg_file *file = data;
return (string_val(buf, file == NULL ? NULL: file->symlink_target ? file->symlink_target : "", p));
}
/*
* %Fu -- File user.
*/
xstring *
format_file_user(xstring *buf, const void *data, struct percent_esc *p)
{
const struct pkg_file *file = data;
return (string_val(buf, file == NULL ? NULL: file->uname, p));
}
/*
* %Ff -- File fflags.
*/
xstring *
format_file_fflags(xstring *buf, const void *data, struct percent_esc *p)
{
const struct pkg_file *file = data;
return (format_fflags(buf, file->fflags, p));
}
/*
* %G -- Groups. list of string values. Optionally accepts following
* per-field format in %{ %| %} where %Gn will be replaced by each
* groupname or %#Gn by the gid -- a line from
* /etc/group. Default %{%Gn\n%|%}
*/
xstring *
format_groups(xstring *buf, const void *data, struct percent_esc *p)
{
const struct pkg *pkg = data;
if (p->flags & (PP_ALTERNATE_FORM1|PP_ALTERNATE_FORM2))
return (list_count(buf, vec_len(&pkg->groups), p));
else {
int count;
set_list_defaults(p, "%Gn\n", "");
count = 1;
fflush(p->sep_fmt->fp);
fflush(p->item_fmt->fp);
vec_foreach(pkg->groups, i) {
if (count > 1)
iterate_item(buf, pkg, p->sep_fmt->buf,
pkg->groups.d[i], count, PP_G);
iterate_item(buf, pkg,p->item_fmt->buf,
pkg->groups.d[i], count, PP_G);
count++;
}
}
return (buf);
}
/*
* %Gn -- Group name.
*/
xstring *
format_group_name(xstring *buf, const void *data, struct percent_esc *p)
{
const char *group = data;
return (string_val(buf, group, p));
}
/*
* %I -- Row counter (integer*). Usually used only in per-field format.
*/
xstring *
format_row_counter(xstring *buf, const void *data, struct percent_esc *p)
{
const int *counter = data;
return (int_val(buf, *counter, p));
}
/*
* %L -- Licences. List of string values. Optionally accepts
* following per-field format in %{ %| %} where %Ln is replaced by the
* license name and %l by the license logic. Default %{%n%| %l %}
*/
xstring *
format_licenses(xstring *buf, const void *data, struct percent_esc *p)
{
const struct pkg *pkg = data;
int count = 0;
if (p->flags & (PP_ALTERNATE_FORM1|PP_ALTERNATE_FORM2)) {
return (list_count(buf, vec_len(&pkg->licenses), p));
} else {
set_list_defaults(p, "%Ln", " %l ");
count = 1;
fflush(p->sep_fmt->fp);
fflush(p->item_fmt->fp);
vec_foreach(pkg->licenses, i) {
if (count > 1)
iterate_item(buf, pkg, p->sep_fmt->buf,
pkg->licenses.d[i], count, PP_L);
iterate_item(buf, pkg, p->item_fmt->buf, pkg->licenses.d[i],
count, PP_L);
count++;
}
}
return (buf);
}
/*
* %Ln -- License name.
*/
xstring *
format_license_name(xstring *buf, const void *data, struct percent_esc *p)
{
const char *lic = data;
return (string_val(buf, lic, p));
}
/*
* %M -- Pkg message. string. Accepts field-width, left-align
*/
xstring *
format_message(xstring *buffer, const void *data, struct percent_esc *p)
{
xstring *buf, *bufmsg = NULL;
const struct pkg *pkg = data;
struct pkg_message *msg;
char *message;
vec_foreach(pkg->message, i) {
msg = pkg->message.d[i];
if (bufmsg == NULL) {
bufmsg = xstring_new();
} else {
fputc('\n', bufmsg->fp);
}
switch(msg->type) {
case PKG_MESSAGE_ALWAYS:
fprintf(bufmsg->fp, "Always:\n");
break;
case PKG_MESSAGE_UPGRADE:
fprintf(bufmsg->fp, "On upgrade");
if (msg->minimum_version != NULL ||
msg->maximum_version != NULL) {
fprintf(bufmsg->fp, " from %s", pkg->name);
}
if (msg->minimum_version != NULL) {
fprintf(bufmsg->fp, ">%s", msg->minimum_version);
}
if (msg->maximum_version != NULL) {
fprintf(bufmsg->fp, "<%s", msg->maximum_version);
}
fprintf(bufmsg->fp, ":\n");
break;
case PKG_MESSAGE_INSTALL:
fprintf(bufmsg->fp, "On install:\n");
break;
case PKG_MESSAGE_REMOVE:
fprintf(bufmsg->fp, "On remove:\n");
break;
}
fprintf(bufmsg->fp, "%s\n", msg->str);
}
if (bufmsg == NULL)
message = NULL;
else {
fflush(bufmsg->fp);
message = bufmsg->buf;
}
buf = string_val(buffer, message, p);
xstring_free(bufmsg);
return (buf);
}
/*
* %N -- Repository identity. string. Accepts field-width, left-align
*/
xstring *
format_repo_ident(xstring *buf, const void *data, struct percent_esc *p)
{
const struct pkg *pkg = data;
const char *reponame;
reponame = pkg->reponame;
if (reponame == NULL) {
reponame = pkg_kv_get(&pkg->annotations, "repository");
if (reponame == NULL)
reponame = "unknown-repository";
}
return (string_val(buf, reponame, p));
}
/*
* %O -- Options. list of {option,value} tuples. Optionally accepts
* following per-field format in %{ %| %}, where %On is replaced by the
* option name and %Ov by the value. Default %{%On %Ov\n%|%}
*/
xstring *
format_options(xstring *buf, const void *data, struct percent_esc *p)
{
const struct pkg *pkg = data;
if (p->flags & (PP_ALTERNATE_FORM1|PP_ALTERNATE_FORM2))
return (list_count(buf, pkg_list_count(pkg, PKG_OPTIONS), p));
else {
int count;
set_list_defaults(p, "%On %Ov\n", "");
count = 1;
fflush(p->sep_fmt->fp);
fflush(p->item_fmt->fp);
vec_foreach(pkg->options, i) {
if (count > 1)
iterate_item(buf, pkg, p->sep_fmt->buf,
pkg->options.d[i], count, PP_O);
iterate_item(buf, pkg, p->item_fmt->buf,
pkg->options.d[i], count, PP_O);
count++;
}
}
return (buf);
}
/*
* %On -- Option name.
*/
xstring *
format_option_name(xstring *buf, const void *data, struct percent_esc *p)
{
const struct pkg_kv *option = data;
return (string_val(buf, option == NULL ? NULL: option->key, p));
}
/*
* %Ov -- Option value.
*/
xstring *
format_option_value(xstring *buf, const void *data, struct percent_esc *p)
{
const struct pkg_kv *option = data;
return (string_val(buf, option == NULL ? NULL: option->value, p));
}
/*
* %Q -- pkg architecture a.k.a ABI string. Accepts field-width, left-align
*/
xstring *
format_altabi(xstring *buf, const void *data, struct percent_esc *p)
{
const struct pkg *pkg = data;
return (string_val(buf, pkg == NULL ? NULL: pkg->altabi, p));
}
/*
* %R -- Repo path. string.
*/
xstring *
format_repo_path(xstring *buf, const void *data, struct percent_esc *p)
{
const struct pkg *pkg = data;
return (string_val(buf, pkg == NULL ? NULL: pkg->repopath, p));
}
/*
* %S -- Character string.
*/
xstring *
format_char_string(xstring *buf, const void *data, struct percent_esc *p)
{
const char *charstring = data;
return (string_val(buf, charstring, p));
}
/*
* %U -- Users. list of string values. Optionally accepts following
* per-field format in %{ %| %} where %Un will be replaced by each
* username or %#Un by the uid -- a line from
* /etc/passwd. Default %{%Un\n%|%}
*/
xstring *
format_users(xstring *buf, const void *data, struct percent_esc *p)
{
const struct pkg *pkg = data;
if (p->flags & (PP_ALTERNATE_FORM1|PP_ALTERNATE_FORM2))
return (list_count(buf, vec_len(&pkg->users), p));
else {
int count;
set_list_defaults(p, "%Un\n", "");
count = 1;
fflush(p->sep_fmt->fp);
fflush(p->item_fmt->fp);
vec_foreach(pkg->users, i) {
if (count > 1)
iterate_item(buf, pkg, p->sep_fmt->buf,
pkg->users.d[i], count, PP_U);
iterate_item(buf, pkg, p->item_fmt->buf,
pkg->users.d[i], count, PP_U);
count++;
}
}
return (buf);
}
/*
* %Un -- User name.
*/
xstring *
format_user_name(xstring *buf, const void *data, struct percent_esc *p)
{
const char *user = data;
return (string_val(buf, user, p));
}
/*
* %V -- Old package version. string. Accepts field width, left align
*/
xstring *
format_old_version(xstring *buf, const void *data, struct percent_esc *p)
{
const struct pkg *pkg = data;
return (string_val(buf, pkg == NULL ? NULL: pkg->old_version, p));
}
/*
* %X -- Package checksum. string. Accepts field width, left align
*/
xstring *
format_int_checksum(xstring *buf, const void *data, struct percent_esc *p)
{
struct pkg *pkg = (struct pkg *)data;
pkg_checksum_calculate(pkg, NULL, true, false, true);
return (string_val(buf, pkg == NULL ? NULL: pkg->digest, p));
}
/*
* %Y -- Required pattern. List of pattern required by
* binaries in the pkg. Optionally accepts per-field format in %{ %|
* %}. Default %{%Yn\nr->item*/
xstring *
format_required(xstring *buf, const void *data, struct percent_esc *p)
{
const struct pkg *pkg = data;
if (p->flags & (PP_ALTERNATE_FORM1|PP_ALTERNATE_FORM2))
return (list_count(buf, vec_len(&pkg->requires), p));
else {
int count;
set_list_defaults(p, "%Yn\n", "");
count = 1;
fflush(p->sep_fmt->fp);
fflush(p->item_fmt->fp);
vec_foreach(pkg->requires, i) {
if (count > 1)
iterate_item(buf, pkg, p->sep_fmt->buf,
pkg->requires.d[i], count, PP_Y);
iterate_item(buf, pkg, p->item_fmt->buf,
pkg->requires.d[i], count, PP_Y);
count++;
}
}
return (buf);
}
/*
* %Yn -- Required name or %yn -- Provided name
*/
xstring *
format_provide_name(xstring *buf, const void *data, struct percent_esc *p)
{
const char *provide = data;
return (string_val(buf, provide, p));
}
/*
* %a -- Autoremove flag. boolean. Accepts field-width, left-align.
* Standard form: 0, 1. Alternate form1: no, yes. Alternate form2:
* false, true
*/
xstring *
format_autoremove(xstring *buf, const void *data, struct percent_esc *p)
{
const struct pkg *pkg = data;
return (bool_val(buf, pkg->automatic, p));
}
/*
* %b -- Provided Shared Libraries. List of shlibs provided by
* binaries in the pkg. Optionally accepts per-field format in %{ %|
* %}, where %n is replaced by the shlib name. Default %{%bn\n%|%}
*/
xstring *
format_shlibs_provided(xstring *buf, const void *data, struct percent_esc *p)
{
const struct pkg *pkg = data;
if (p->flags & (PP_ALTERNATE_FORM1|PP_ALTERNATE_FORM2))
return (list_count(buf, vec_len(&pkg->shlibs_provided), p));
else {
int count;
set_list_defaults(p, "%bn\n", "");
count = 1;
fflush(p->sep_fmt->fp);
fflush(p->item_fmt->fp);
vec_foreach(pkg->shlibs_provided, i) {
if (count > 1)
iterate_item(buf, pkg, p->sep_fmt->buf,
pkg->shlibs_provided.d[i], count, PP_b);
iterate_item(buf, pkg, p->item_fmt->buf,
pkg->shlibs_provided.d[i], count, PP_b);
count++;
}
}
return (buf);
}
/*
* %c -- Comment. string. Accepts field-width, left-align
*/
xstring *
format_comment(xstring *buf, const void *data, struct percent_esc *p)
{
const struct pkg *pkg = data;
return (string_val(buf, pkg == NULL ? NULL: pkg->comment, p));
}
/*
* %d -- Dependencies. List of pkgs. Can be optionally followed by
* per-field format string in %{ %| %} using any pkg_printf() *scalar*
* formats. Defaults to printing "%dn-%dv\n" for each dependency.
*/
xstring *
format_dependencies(xstring *buf, const void *data, struct percent_esc *p)
{
const struct pkg *pkg = data;
if (p->flags & (PP_ALTERNATE_FORM1|PP_ALTERNATE_FORM2))
return (list_count(buf, pkg_list_count(pkg, PKG_DEPS), p));
else {
struct pkg_dep *dep = NULL;
int count;
set_list_defaults(p, "%dn-%dv\n", "");
count = 1;
fflush(p->sep_fmt->fp);
fflush(p->item_fmt->fp);
while (pkg_deps(pkg, &dep) == EPKG_OK) {
if (count > 1)
iterate_item(buf, pkg, p->sep_fmt->buf,
dep, count, PP_d);
iterate_item(buf, pkg, p->item_fmt->buf,
dep, count, PP_d);
count++;
}
}
return (buf);
}
/*
* %dk -- Dependency lock status or %rk -- Requirement lock status.
*/
xstring *
format_dependency_lock(xstring *buf, const void *data,
struct percent_esc *p)
{
const struct pkg_dep *dep = data;
return (bool_val(buf, pkg_dep_is_locked(dep), p));
}
/*
* %dn -- Dependency name or %rn -- Requirement name.
*/
xstring *
format_dependency_name(xstring *buf, const void *data,
struct percent_esc *p)
{
const struct pkg_dep *dep = data;
return (string_val(buf, dep == NULL ? NULL : dep->name, p));
}
/*
* %do -- Dependency origin or %ro -- Requirement origin.
*/
xstring *
format_dependency_origin(xstring *buf, const void *data,
struct percent_esc *p)
{
const struct pkg_dep *dep = data;
return (string_val(buf, dep == NULL ? NULL: dep->origin, p));
}
/*
* %dv -- Dependency version or %rv -- Requirement version.
*/
xstring *
format_dependency_version(xstring *buf, const void *data,
struct percent_esc *p)
{
const struct pkg_dep *dep = data;
return (string_val(buf, dep == NULL ? NULL: dep->version, p));
}
/*
* %e -- Description. string. Accepts field-width, left-align
*/
xstring *
format_description(xstring *buf, const void *data, struct percent_esc *p)
{
const struct pkg *pkg = data;
return (string_val(buf, pkg == NULL ? NULL: pkg->desc, p));
}
/*
* %k -- Locked flag. boolean. Accepts field-width, left-align.
* Standard form: 0, 1. Alternate form1: no, yes. Alternate form2:
* false, true
*/
xstring *
format_lock_status(xstring *buf, const void *data, struct percent_esc *p)
{
const struct pkg *pkg = data;
return (bool_val(buf, pkg->locked, p));
}
/*
* %l -- Licence logic. string. Accepts field-width, left-align.
* Standard form: and, or, single. Alternate form 1: &, |, ''.
* Alternate form 2: &&, ||, ==
*/
xstring *
format_license_logic(xstring *buf, const void *data, struct percent_esc *p)
{
const struct pkg *pkg = data;
return (liclog_val(buf, pkg->licenselogic, p));
}
/*
* %m -- Maintainer e-mail address. string. Accepts field-width, left-align
*/
xstring *
format_maintainer(xstring *buf, const void *data, struct percent_esc *p)
{
const struct pkg *pkg = data;
return (string_val(buf, pkg == NULL ? NULL: pkg->maintainer, p));
}
/*
* %n -- Package name. string. Accepts field-width, left-align
*/
xstring *
format_name(xstring *buf, const void *data, struct percent_esc *p)
{
const struct pkg *pkg = data;
return (string_val(buf, pkg == NULL ? NULL: pkg->name, p));
}
/*
* %o -- Package origin. string. Accepts field-width, left-align
*/
xstring *
format_origin(xstring *buf, const void *data, struct percent_esc *p)
{
const struct pkg *pkg = data;
return (string_val(buf, pkg == NULL ? NULL: pkg->origin, p));
}
/*
* %p -- Installation prefix. string. Accepts field-width, left-align
*/
xstring *
format_prefix(xstring *buf, const void *data, struct percent_esc *p)
{
const struct pkg *pkg = data;
return (string_val(buf, pkg == NULL ? NULL: pkg->prefix, p));
}
/*
* %q -- pkg architecture a.k.a ABI string. Accepts field-width, left-align
*/
xstring *
format_architecture(xstring *buf, const void *data, struct percent_esc *p)
{
const struct pkg *pkg = data;
return (string_val(buf, pkg == NULL ? NULL: pkg->abi, p));
}
/*
* %r -- Requirements. List of pkgs. Can be optionally followed by
* per-field format string in %{ %| %} using any pkg_printf() *scalar*
* formats. Defaults to printing "%{%rn-%rv\n%|%}" for each dependency.
*/
xstring *
format_requirements(xstring *buf, const void *data, struct percent_esc *p)
{
const struct pkg *pkg = data;
if (p->flags & (PP_ALTERNATE_FORM1|PP_ALTERNATE_FORM2))
return(list_count(buf, pkg_list_count(pkg, PKG_RDEPS), p));
else {
struct pkg_dep *req = NULL;
int count;
set_list_defaults(p, "%rn-%rv\n", "");
count = 1;
fflush(p->sep_fmt->fp);
fflush(p->item_fmt->fp);
while (pkg_rdeps(pkg, &req) == EPKG_OK) {
if (count > 1)
iterate_item(buf, pkg, p->sep_fmt->buf,
req, count, PP_r);
iterate_item(buf, pkg, p->item_fmt->buf,
req, count, PP_r);
count++;
}
}
return (buf);
}
/*
* %s -- Size of installed package. integer. Accepts field-width,
* left-align, zero-fill, space-for-plus, explicit-plus and
* alternate-form. Alternate form is a humanized number using decimal
* exponents (k, M, G). Alternate form 2, ditto, but using binary
* scale prefixes (ki, Mi, Gi etc.)
*/
xstring *
format_flatsize(xstring *buf, const void *data, struct percent_esc *p)
{
const struct pkg *pkg = data;
return (int_val(buf, pkg->flatsize, p));
}
/*
* %t -- Installation timestamp (Unix time). integer. Accepts
* field-width, left-align. Can be followed by optional strftime
* format string in %{ %}. Default is to print seconds-since-epoch as
* an integer applying our integer format modifiers.
*/
xstring *
format_install_tstamp(xstring *buf, const void *data, struct percent_esc *p)
{
const struct pkg *pkg = data;
return (format_time_t(buf, pkg->timestamp, p));
}
/*
* %v -- Package version. string. Accepts field width, left align
*/
xstring *
format_version(xstring *buf, const void *data, struct percent_esc *p)
{
const struct pkg *pkg = data;
return (string_val(buf, pkg == NULL ? NULL: pkg->version, p));
}
/*
* %u -- Package checksum. string. Accepts field width, left align
*/
xstring *
format_checksum(xstring *buf, const void *data, struct percent_esc *p)
{
const struct pkg *pkg = data;
return (string_val(buf, pkg == NULL ? NULL: pkg->sum, p));
}
/*
* %w -- Home page URL. string. Accepts field width, left align
*/
xstring *
format_home_url(xstring *buf, const void *data, struct percent_esc *p)
{
const struct pkg *pkg = data;
return (string_val(buf, pkg == NULL ? NULL: pkg->www, p));
}
/*
* %x - Package tarball size. Integer. Accepts field-width,
* left-align, zero-fill, space-for-plus, explicit-plus and
* alternate-form. Alternate form is a humanized number using decimal
* exponents (k, M, G). Alternate form 2, ditto, but using binary
* scale prefixes (ki, Mi, Gi etc.)
*/
xstring *
format_pkgsize(xstring *buf, const void *data, struct percent_esc *p)
{
const struct pkg *pkg = data;
return (int_val(buf, pkg->pkgsize, p));
}
/*
* %y -- Provided pattern. List of pattern provided by
* binaries in the pkg. Optionally accepts per-field format in %{ %|
* %}. Default %{%yn\n%|%}
*/
xstring *
format_provided(xstring *buf, const void *data, struct percent_esc *p)
{
const struct pkg *pkg = data;
if (p->flags & (PP_ALTERNATE_FORM1|PP_ALTERNATE_FORM2))
return (list_count(buf, vec_len(&pkg->provides), p));
else {
int count;
set_list_defaults(p, "%yn\n", "");
count = 1;
fflush(p->sep_fmt->fp);
fflush(p->item_fmt->fp);
vec_foreach(pkg->provides, i) {
if (count > 1)
iterate_item(buf, pkg, p->sep_fmt->buf,
pkg->provides.d[i], count, PP_y);
iterate_item(buf, pkg, p->item_fmt->buf,
pkg->provides.d[i], count, PP_y);
count++;
}
}
return (buf);
}
/*
* %z -- Package short checksum. string. Accepts field width, left align
*/
xstring *
format_short_checksum(xstring *buf, const void *data, struct percent_esc *p)
{
const struct pkg *pkg = data;
char csum[PKG_FILE_CKSUM_CHARS + 1];
int slen;
if (pkg->sum != NULL)
slen = MIN(PKG_FILE_CKSUM_CHARS, strlen(pkg->sum));
else
slen = 0;
memcpy(csum, pkg->sum, slen);
csum[slen] = '\0';
return (string_val(buf, csum, p));
}
/*
* %% -- Output a literal '%' character
*/
xstring *
format_literal_percent(xstring *buf, __unused const void *data,
__unused struct percent_esc *p)
{
fputc('%', buf->fp);
return (buf);
}
/*
* Unknown format code -- return NULL to signal upper layers to pass
* the text through unchanged.
*/
xstring *
format_unknown(xstring *buf, __unused const void *data,
__unused struct percent_esc *p)
{
fputc('%', buf->fp);
return (NULL);
}
/* -------------------------------------------------------------- */
struct percent_esc *
new_percent_esc(void)
{
struct percent_esc *p;
p = xcalloc(1, sizeof(struct percent_esc));
p->item_fmt = xstring_new();
p->sep_fmt = xstring_new();
return (p);
}
struct percent_esc *
clear_percent_esc(struct percent_esc *p)
{
p->flags = 0;
p->width = 0;
p->trailer_status = 0;
xstring_reset(p->item_fmt);
xstring_reset(p->sep_fmt);
p->fmt_code = '\0';
return (p);
}
void
free_percent_esc(struct percent_esc *p)
{
if (p) {
if (p->item_fmt)
xstring_free(p->item_fmt);
if (p->sep_fmt)
xstring_free(p->sep_fmt);
free(p);
}
return;
}
char *
gen_format(char *buf, size_t buflen, unsigned flags, const char *tail)
{
int bp = 0;
size_t tlen;
/* We need the length of tail plus at least 3 characters '%'
'*' '\0' but maybe as many as 7 '%' '#' '-' '+' '\'' '*'
'\0' */
tlen = strlen(tail);
if (buflen - bp < tlen + 3)
return (NULL);
buf[bp++] = '%';
/* PP_ALTERNATE_FORM1 is not used by regular printf(3) */
/* If PP_EXPLICIT_PLUS and PP_SPACE_FOR_PLUS are both set,
the result is formatted according to PP_EXPLICIT_PLUS */
if ((flags & (PP_EXPLICIT_PLUS|PP_SPACE_FOR_PLUS)) ==
(PP_EXPLICIT_PLUS|PP_SPACE_FOR_PLUS))
flags &= ~(PP_SPACE_FOR_PLUS);
/* If PP_LEFT_ALIGN and PP_ZERO_PAD are given together,
PP_LEFT_ALIGN applies */
if ((flags & (PP_LEFT_ALIGN|PP_ZERO_PAD)) ==
(PP_LEFT_ALIGN|PP_ZERO_PAD))
flags &= ~(PP_ZERO_PAD);
if (flags & PP_ALTERNATE_FORM2)
buf[bp++] = '#';
if (flags & PP_LEFT_ALIGN)
buf[bp++] = '-';
if (flags & PP_ZERO_PAD)
buf[bp++] = '0';
if (buflen - bp < tlen + 2)
return (NULL);
if (flags & PP_EXPLICIT_PLUS)
buf[bp++] = '+';
if (flags & PP_SPACE_FOR_PLUS)
buf[bp++] = ' ';
if (flags & PP_THOUSANDS_SEP)
buf[bp++] = '\'';
if (buflen - bp < tlen + 2)
return (NULL);
/* The effect of 0 meaning 'zero fill' is indisinguishable
from 0 meaning 'a field width of zero' */
buf[bp++] = '*';
buf[bp] = '\0';
strlcat(buf, tail, buflen);
return (buf);
}
xstring *
human_number(xstring *buf, int64_t number, struct percent_esc *p)
{
double num;
int sign;
int width;
int scale_width;
int divisor;
int scale;
int precision;
bool bin_scale;
#define MAXSCALE 7
const char *bin_pfx[MAXSCALE] =
{ "", "Ki", "Mi", "Gi", "Ti", "Pi", "Ei" };
const char *si_pfx[MAXSCALE] =
{ "", "k", "M", "G", "T", "P", "E" };
char format[16];
bin_scale = ((p->flags & PP_ALTERNATE_FORM2) != 0);
p->flags &= ~(PP_ALTERNATE_FORM1|PP_ALTERNATE_FORM2);
if (gen_format(format, sizeof(format), p->flags, ".*f") == NULL)
return (NULL);
if (number >= 0) {
num = number;
sign = 1;
} else {
num = -number;
sign = -1;
}
divisor = bin_scale ? 1024 : 1000;
for (scale = 0; scale < MAXSCALE; scale++) {
if (num < divisor)
break;
num /= divisor;
}
if (scale == MAXSCALE)
scale--;
if (scale == 0)
scale_width = 0;
else if (bin_scale)
scale_width = 2;
else
scale_width = 1;
if (p->width == 0)
width = 0;
else if (p->width <= scale_width)
width = 1;
else
width = p->width - scale_width;
if (num >= 100)
precision = 0;
else if (num >= 10) {
if (width == 0 || width > 3)
precision = 1;
else
precision = 0;
} else {
if (width == 0 || width > 3)
precision = 2;
else if (width == 3)
precision = 1;
else
precision = 0;
}
fprintf(buf->fp, format, width, precision, num * sign);
if (scale > 0)
fprintf(buf->fp, "%s",
bin_scale ? bin_pfx[scale] : si_pfx[scale]);
return (buf);
}
xstring *
string_val(xstring *buf, const char *str, struct percent_esc *p)
{
char format[16];
/* The '#' '?' '+' ' ' '0' and '\'' modifiers have no meaning
for strings */
p->flags &= ~(PP_ALTERNATE_FORM1 |
PP_ALTERNATE_FORM2 |
PP_EXPLICIT_PLUS |
PP_SPACE_FOR_PLUS |
PP_ZERO_PAD |
PP_THOUSANDS_SEP);
if (gen_format(format, sizeof(format), p->flags, "s") == NULL)
return (NULL);
fprintf(buf->fp, format, p->width, str == NULL ? "" : str);
return (buf);
}
xstring *
int_val(xstring *buf, int64_t value, struct percent_esc *p)
{
if (p->flags & (PP_ALTERNATE_FORM1|PP_ALTERNATE_FORM2))
return (human_number(buf, value, p));
else {
char format[16];
if (gen_format(format, sizeof(format), p->flags, PRId64)
== NULL)
return (NULL);
fprintf(buf->fp, format, p->width, value);
}
return (buf);
}
xstring *
bool_val(xstring *buf, bool value, struct percent_esc *p)
{
static const char *boolean_str[2][3] = {
[false] = { "false", "no", "" },
[true] = { "true", "yes", "(*)" },
};
int alternate;
if (p->flags & PP_ALTERNATE_FORM2)
alternate = 2;
else if (p->flags & PP_ALTERNATE_FORM1)
alternate = 1;
else
alternate = 0;
p->flags &= ~(PP_ALTERNATE_FORM1|PP_ALTERNATE_FORM2);
return (string_val(buf, boolean_str[value][alternate], p));
}
xstring *
mode_val(xstring *buf, mode_t mode, struct percent_esc *p)
{
/*
* Print mode as an octal integer '%o' by default.
* PP_ALTERNATE_FORM2 generates '%#o' passed to regular
* printf(). PP_ALTERNATE_FORM1 will generate 'drwxr-x--- '
* style from strmode(3).
*/
if (p->flags & PP_ALTERNATE_FORM1) {
char modebuf[12];
strmode(mode, modebuf);
return (string_val(buf, modebuf, p));
} else {
char format[16];
/*
* Should the mode when expressed as a numeric value
* in octal include the bits that indicate the inode
* type? Generally no, but since mode is
* intrinsically an unsigned type, overload
* PP_EXPLICIT_PLUS to mean 'show bits for the inode
* type'
*/
if ( (p->flags & PP_EXPLICIT_PLUS) == 0 )
mode &= ALLPERMS;
p->flags &= ~(PP_ALTERNATE_FORM1|PP_EXPLICIT_PLUS);
if (gen_format(format, sizeof(format), p->flags, PRIo16)
== NULL)
return (NULL);
fprintf(buf->fp, format, p->width, mode);
}
return (buf);
}
xstring *
liclog_val(xstring *buf, lic_t licenselogic, struct percent_esc *p)
{
int alternate;
int llogic = PP_LIC_SINGLE;
static const char *liclog_str[3][3] = {
[PP_LIC_SINGLE] = { "single", "", "==" },
[PP_LIC_OR] = { "or", "|", "||" },
[PP_LIC_AND] = { "and", "&", "&&" },
};
switch (licenselogic) {
case LICENSE_SINGLE:
llogic = PP_LIC_SINGLE;
break;
case LICENSE_OR:
llogic = PP_LIC_OR;
break;
case LICENSE_AND:
llogic = PP_LIC_AND;
break;
}
if (p->flags & PP_ALTERNATE_FORM2)
alternate = 2;
else if (p->flags & PP_ALTERNATE_FORM1)
alternate = 1;
else
alternate = 0;
p->flags &= ~(PP_ALTERNATE_FORM1|PP_ALTERNATE_FORM2);
return (string_val(buf, liclog_str[llogic][alternate], p));
}
xstring *
list_count(xstring *buf, int64_t count, struct percent_esc *p)
{
/* Convert to 0 or 1 for %?X */
if (p->flags & PP_ALTERNATE_FORM1)
count = (count > 0);
/* Turn off %#X and %?X flags, then print as a normal integer */
p->flags &= ~(PP_ALTERNATE_FORM1|PP_ALTERNATE_FORM2);
return (int_val(buf, count, p));
}
struct percent_esc *
set_list_defaults(struct percent_esc *p, const char *item_fmt,
const char *sep_fmt)
{
if ((p->trailer_status & ITEM_FMT_SET) != ITEM_FMT_SET) {
fprintf(p->item_fmt->fp, "%s", item_fmt);
p->trailer_status |= ITEM_FMT_SET;
}
if ((p->trailer_status & SEP_FMT_SET) != SEP_FMT_SET) {
fprintf(p->sep_fmt->fp, "%s", sep_fmt);
p->trailer_status |= SEP_FMT_SET;
}
return (p);
}
xstring *
iterate_item(xstring *buf, const struct pkg *pkg, const char *format,
const void *data, int count, unsigned context)
{
const char *f;
struct percent_esc *p;
/* Scan the format string and interpret any escapes */
f = format;
p = new_percent_esc();
if (p == NULL) {
xstring_reset(buf);
return (buf); /* Out of memory */
}
while ( *f != '\0' ) {
switch(*f) {
case '%':
f = process_format_trailer(buf, p, f, pkg, data, count, context);
break;
case '\\':
f = process_escape(buf, f);
break;
default:
fprintf(buf->fp, "%c", *f);
f++;
break;
}
if (f == NULL) {
xstring_reset(buf);
break; /* Out of memory */
}
}
free_percent_esc(p);
return (buf);
}
const char *
field_modifier(const char *f, struct percent_esc *p)
{
bool done;
/* Field modifiers, if any:
'?' alternate form 1
'#' alternate form 2
'-' left align
'+' explicit plus sign (numerics only)
' ' space instead of plus sign (numerics only)
'0' pad with zeroes (numerics only)
'\'' use thousands separator (numerics only)
Note '*' (dynamic field width) is not supported */
done = false;
while (!done) {
switch (*f) {
case '?':
p->flags |= PP_ALTERNATE_FORM1;
break;
case '#':
p->flags |= PP_ALTERNATE_FORM2;
break;
case '-':
p->flags |= PP_LEFT_ALIGN;
break;
case '+':
p->flags |= PP_EXPLICIT_PLUS;
break;
case ' ':
p->flags |= PP_SPACE_FOR_PLUS;
break;
case '0':
p->flags |= PP_ZERO_PAD;
break;
case '\'':
p->flags |= PP_THOUSANDS_SEP;
break;
default:
done = true;
break;
}
if (!done)
f++;
}
return (f);
}
const char *
field_width(const char *f, struct percent_esc *p)
{
bool done;
/* Field width, if any -- some number of decimal digits.
Note: field width set to zero could be interpreted as using
0 to request zero padding: it doesn't matter which -- the
result on output is exactly the same. */
done = false;
while (!done) {
switch(*f) {
case '0':
p->width = p->width * 10 + 0;
break;
case '1':
p->width = p->width * 10 + 1;
break;
case '2':
p->width = p->width * 10 + 2;
break;
case '3':
p->width = p->width * 10 + 3;
break;
case '4':
p->width = p->width * 10 + 4;
break;
case '5':
p->width = p->width * 10 + 5;
break;
case '6':
p->width = p->width * 10 + 6;
break;
case '7':
p->width = p->width * 10 + 7;
break;
case '8':
p->width = p->width * 10 + 8;
break;
case '9':
p->width = p->width * 10 + 9;
break;
default:
done = true;
break;
}
if (!done)
f++;
}
return (f);
}
const char *
format_trailer(const char *f, struct percent_esc *p)
{
/* is the trailer even present? */
if (f[0] == '%' && f[1] == '{') {
bool sep = false;
bool done = false;
const char *f1;
const char *f2;
p->trailer_status |= ITEM_FMT_SET;
f1 = f + 2;
for (f2 = f1; *f2 != '\0'; f2++) {
if (f2[0] == '%' && ( f2[1] == '}' || f2[1] == '|')) {
if (f2[1] == '|')
sep = true;
else
done = true;
f1 = f2 + 2;
break;
}
fputc(*f2, p->item_fmt->fp);
fflush(p->item_fmt->fp);
}
if (sep) {
p->trailer_status |= SEP_FMT_SET;
done = false;
for (f2 = f1; *f2 != '\0'; f2++) {
if (f2[0] == '%' && f2[1] == '}') {
done = true;
f1 = f2 + 2;
break;
}
fputc(*f2, p->sep_fmt->fp);
fflush(p->sep_fmt->fp);
}
}
if (done) {
f = f1;
} else {
xstring_reset(p->item_fmt);
xstring_reset(p->sep_fmt);
}
}
return (f);
}
const char *
format_code(const char *f, unsigned context, struct percent_esc *p)
{
fmt_code_t fmt_code;
p->fmt_code = PP_UNKNOWN; /* Assume unknown, for contradiction */
/* The next character or two will be a format code -- look
these up in the fmt table to make sure they are allowed in
context. This could be optimized since the format codes
are arranged alphabetically in the fmt[] array. */
for (fmt_code = 0; fmt_code < PP_END_MARKER; fmt_code++) {
if ((fmt[fmt_code].context & context) != context)
continue;
if (fmt[fmt_code].fmt_main != f[0])
continue;
if (fmt[fmt_code].fmt_sub == f[1] && f[1] != '\0') {
p->fmt_code = fmt_code;
f += 2;
break;
}
if (fmt[fmt_code].fmt_sub == '\0') {
p->fmt_code = fmt_code;
f++;
break;
}
}
return (f);
}
const char *
parse_format(const char *f, unsigned context, struct percent_esc *p)
{
f++; /* Eat the % */
f = field_modifier(f, p);
f = field_width(f, p);
f = format_code(f, context, p);
/* Does this format take a trailing list item/separator format
like %{...%|...%} ? It's only the list-valued items that
do, and they can only take it at the top level (context ==
PP_PKG). Also, they only take the trailing stuff in the
absence of %?X or %#X modifiers. */
if ((context & PP_PKG) == PP_PKG &&
fmt[p->fmt_code].has_trailer &&
(p->flags & (PP_ALTERNATE_FORM1|PP_ALTERNATE_FORM2)) == 0)
f = format_trailer(f, p);
return (f);
}
const char*
maybe_read_hex_byte(xstring *buf, const char *f)
{
/* Hex escapes are of the form \xNN -- always two hex digits */
f++; /* eat the x */
if (isxdigit(f[0]) && isxdigit(f[1])) {
int val;
switch(*f) {
case '0':
val = 0x0;
break;
case '1':
val = 0x10;
break;
case '2':
val = 0x20;
break;
case '3':
val = 0x30;
break;
case '4':
val = 0x40;
break;
case '5':
val = 0x50;
break;
case '6':
val = 0x60;
break;
case '7':
val = 0x70;
break;
case '8':
val = 0x80;
break;
case '9':
val = 0x90;
break;
case 'a':
case 'A':
val = 0xa0;
break;
case 'b':
case 'B':
val = 0xb0;
break;
case 'c':
case 'C':
val = 0xc0;
break;
case 'd':
case 'D':
val = 0xd0;
break;
case 'e':
case 'E':
val = 0xe0;
break;
case 'f':
case 'F':
val = 0xf0;
break;
default:
/* This case is to shut up the over-picky
* compiler warnings about use of an
* uninitialised value. It can't actually
* be reached. */
val = 0x0;
break;
}
f++;
switch(*f) {
case '0':
val += 0x0;
break;
case '1':
val += 0x1;
break;
case '2':
val += 0x2;
break;
case '3':
val += 0x3;
break;
case '4':
val += 0x4;
break;
case '5':
val += 0x5;
break;
case '6':
val += 0x6;
break;
case '7':
val += 0x7;
break;
case '8':
val += 0x8;
break;
case '9':
val += 0x9;
break;
case 'a':
case 'A':
val += 0xa;
break;
case 'b':
case 'B':
val += 0xb;
break;
case 'c':
case 'C':
val += 0xc;
break;
case 'd':
case 'D':
val += 0xd;
break;
case 'e':
case 'E':
val += 0xe;
break;
case 'f':
case 'F':
val += 0xf;
break;
}
fputc(val, buf->fp);
f++;
} else {
/* Pass through unchanged if it's not a recognizable
hex byte. */
fputc('\\', buf->fp);
fputc('x', buf->fp);
}
return (f);
}
const char*
read_oct_byte(xstring *buf, const char *f)
{
int val = 0;
int count = 0;
/* Octal escapes are upto three octal digits: \N, \NN or \NNN
up to a max of \377. Note: this treats \400 as \40
followed by character 0 passed through unchanged. */
while (val < 32 && count++ < 3) {
switch (*f) {
case '0':
val = val * 8 + 0;
break;
case '1':
val = val * 8 + 1;
break;
case '2':
val = val * 8 + 2;
break;
case '3':
val = val * 8 + 3;
break;
case '4':
val = val * 8 + 4;
break;
case '5':
val = val * 8 + 5;
break;
case '6':
val = val * 8 + 6;
break;
case '7':
val = val * 8 + 7;
break;
default: /* Non-octal digit */
goto done;
}
f++;
}
done:
fputc(val, buf->fp);
return (f);
}
const char *
process_escape(xstring *buf, const char *f)
{
f++; /* Eat the \ */
switch (*f) {
case 'a':
fputc('\a', buf->fp);
f++;
break;
case 'b':
fputc('\b', buf->fp);
f++;
break;
case 'f':
fputc('\f', buf->fp);
f++;
break;
case 'n':
fputc('\n', buf->fp);
f++;
break;
case 't':
fputc('\t', buf->fp);
f++;
break;
case 'v':
fputc('\v', buf->fp);
f++;
break;
case '\'':
fputc('\'', buf->fp);
f++;
break;
case '"':
fputc('"', buf->fp);
f++;
break;
case '\\':
fputc('\\', buf->fp);
f++;
break;
case 'x': /* Hex escape: \xNN */
f = maybe_read_hex_byte(buf, f);
break;
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7': /* Oct escape: all fall through */
f = read_oct_byte(buf, f);
break;
default: /* If it's not a recognised escape,
leave f pointing at the escaped
character */
fputc('\\', buf->fp);
break;
}
return (f);
}
const char *
process_format_trailer(xstring *buf, struct percent_esc *p,
const char *f, const struct pkg *pkg,
const void *data, int count, unsigned context)
{
const char *fstart;
xstring *s;
fstart = f;
f = parse_format(f, context, p);
if (p->fmt_code == PP_ROW_COUNTER)
s = fmt[p->fmt_code].fmt_handler(buf, &count, p);
else if (p->fmt_code > PP_LAST_FORMAT)
s = fmt[p->fmt_code].fmt_handler(buf, NULL, p);
else if (fmt[p->fmt_code].struct_pkg)
s = fmt[p->fmt_code].fmt_handler(buf, pkg, p);
else
s = fmt[p->fmt_code].fmt_handler(buf, data, p);
if (s == NULL) {
f = fstart + 1; /* Eat just the % on error */
}
clear_percent_esc(p);
return (f);
}
const char *
process_format_main(xstring *buf, struct percent_esc *p,
const char *fstart, const char *fend, void *data)
{
xstring *s;
s = fmt[p->fmt_code].fmt_handler(buf, data, p);
clear_percent_esc(p);
/* Pass through unprocessed on error */
return (s == NULL ? fstart : fend);
}
/**
* print to stdout data from pkg as indicated by the format code format
* @param ... Varargs list of struct pkg etc. supplying the data
* @param format String with embedded %-escapes indicating what to print
* @return count of the number of characters printed
*/
int
pkg_printf(const char * restrict format, ...)
{
int count;
va_list ap;
va_start(ap, format);
count = pkg_vprintf(format, ap);
va_end(ap);
return (count);
}
/**
* print to stdout data from pkg as indicated by the format code format
* @param ap Varargs list of struct pkg etc. supplying the data
* @param format String with embedded %-escapes indicating what to print
* @return count of the number of characters printed
*/
int
pkg_vprintf(const char * restrict format, va_list ap)
{
xstring *buf;
int count;
buf = xstring_new();
if (buf)
buf = pkg_xstring_vprintf(buf, format, ap);
fflush(buf->fp);
if (buf && strlen(buf->buf) > 0) {
count = printf("%s", buf->buf);
} else
count = -1;
if (buf)
xstring_free(buf);
return (count);
}
/**
* print to named stream from pkg as indicated by the format code format
* @param ... Varargs list of struct pkg etc. supplying the data
* @param format String with embedded %-escapes indicating what to output
* @return count of the number of characters printed
*/
int
pkg_fprintf(FILE * restrict stream, const char * restrict format, ...)
{
int count;
va_list ap;
va_start(ap, format);
count = pkg_vfprintf(stream, format, ap);
va_end(ap);
return (count);
}
/**
* print to named stream from pkg as indicated by the format code format
* @param ap Varargs list of struct pkg etc. supplying the data
* @param format String with embedded %-escapes indicating what to output
* @return count of the number of characters printed
*/
int
pkg_vfprintf(FILE * restrict stream, const char * restrict format, va_list ap)
{
xstring *buf;
int count;
buf = xstring_new();
if (buf)
buf = pkg_xstring_vprintf(buf, format, ap);
fflush(buf->fp);
if (buf && strlen(buf->buf) > 0) {
count = fprintf(stream, "%s", buf->buf);
} else
count = -1;
if (buf)
xstring_free(buf);
return (count);
}
/**
* print to file descriptor fd data from pkg as indicated by the format
* code format
* @param fd Previously opened file descriptor to print to
* @param ... Varargs list of struct pkg etc. supplying the data
* @param format String with embedded %-escapes indicating what to print
* @return count of the number of characters printed
*/
int
pkg_dprintf(int fd, const char * restrict format, ...)
{
int count;
va_list ap;
va_start(ap, format);
count = pkg_vdprintf(fd, format, ap);
va_end(ap);
return (count);
}
/**
* print to file descriptor fd data from pkg as indicated by the format
* code format
* @param fd Previously opened file descriptor to print to
* @param ap Varargs list of struct pkg etc. supplying the data
* @param format String with embedded %-escapes indicating what to print
* @return count of the number of characters printed
*/
int
pkg_vdprintf(int fd, const char * restrict format, va_list ap)
{
xstring *buf;
int count;
buf = xstring_new();
if (buf)
buf = pkg_xstring_vprintf(buf, format, ap);
fflush(buf->fp);
if (buf && strlen(buf->buf) > 0) {
count = dprintf(fd, "%s", buf->buf);
} else
count = -1;
if (buf)
xstring_free(buf);
return (count);
}
/**
* print to buffer str of given size data from pkg as indicated by the
* format code format as a NULL-terminated string
* @param str Character array buffer to receive output
* @param size Length of the buffer str
* @param ... Varargs list of struct pkg etc. supplying the data
* @param format String with embedded %-escapes indicating what to output
* @return count of the number of characters that would have been output
* disregarding truncation to fit size
*/
int
pkg_snprintf(char * restrict str, size_t size, const char * restrict format, ...)
{
int count;
va_list ap;
va_start(ap, format);
count = pkg_vsnprintf(str, size, format, ap);
va_end(ap);
return (count);
}
/**
* print to buffer str of given size data from pkg as indicated by the
* format code format as a NULL-terminated string
* @param str Character array buffer to receive output
* @param size Length of the buffer str
* @param ap Varargs list of struct pkg etc. supplying the data
* @param format String with embedded %-escapes indicating what to output
* @return count of the number of characters that would have been output
* disregarding truncation to fit size
*/
int
pkg_vsnprintf(char * restrict str, size_t size, const char * restrict format,
va_list ap)
{
xstring *buf;
int count;
buf = xstring_new();
if (buf)
buf = pkg_xstring_vprintf(buf, format, ap);
fflush(buf->fp);
if (buf && strlen(buf->buf) > 0) {
count = snprintf(str, size, "%s", buf->buf);
} else
count = -1;
if (buf)
xstring_free(buf);
return (count);
}
/**
* Allocate a string buffer ret sufficiently big to contain formatted
* data data from pkg as indicated by the format code format
* @param ret location of pointer to be set to point to buffer containing
* result
* @param ... Varargs list of struct pkg etc. supplying the data
* @param format String with embedded %-escapes indicating what to output
* @return count of the number of characters printed
*/
int
pkg_asprintf(char **ret, const char * restrict format, ...)
{
int count;
va_list ap;
va_start(ap, format);
count = pkg_vasprintf(ret, format, ap);
va_end(ap);
return (count);
}
/**
* Allocate a string buffer ret sufficiently big to contain formatted
* data data from pkg as indicated by the format code format
* @param ret location of pointer to be set to point to buffer containing
* result
* @param ap Varargs list of struct pkg etc. supplying the data
* @param format String with embedded %-escapes indicating what to output
* @return count of the number of characters printed
*/
int
pkg_vasprintf(char **ret, const char * restrict format, va_list ap)
{
xstring *buf;
int count;
buf = xstring_new();
if (buf)
buf = pkg_xstring_vprintf(buf, format, ap);
fflush(buf->fp);
if (buf && strlen(buf->buf) > 0) {
count = xasprintf(ret, "%s", buf->buf);
} else {
count = -1;
*ret = NULL;
}
if (buf)
xstring_free(buf);
return (count);
}
/**
* store data from pkg into buf as indicated by the format code format.
* This is the core function called by all the other pkg_printf() family.
* @param buf contains the result
* @param ap Arglist with struct pkg etc. supplying the data
* @param format String with embedded %-escapes indicating what to output
* @return count of the number of characters in the result
*/
static xstring *
pkg_xstring_vprintf(xstring * restrict buf, const char * restrict format,
va_list ap)
{
const char *f, *fend;
struct percent_esc *p;
void *data;
assert(buf != NULL);
assert(format != NULL);
f = format;
p = new_percent_esc();
if (p == NULL) {
xstring_reset(buf);
return (buf); /* Out of memory */
}
while ( *f != '\0' ) {
switch(*f) {
case '%':
fend = parse_format(f, PP_PKG, p);
if (p->fmt_code <= PP_LAST_FORMAT)
data = va_arg(ap, void *);
else
data = NULL;
f = process_format_main(buf, p, f, fend, data);
break;
case '\\':
f = process_escape(buf, f);
break;
default:
fputc(*f, buf->fp);
f++;
break;
}
if (f == NULL) {
xstring_reset(buf);
break; /* Error: out of memory */
}
}
free_percent_esc(p);
return (buf);
}
/**
* Format data from a single pkg into buf, using the same pkg pointer
* for every format code. Unlike pkg_xstring_vprintf which consumes
* one va_arg per format code, this always uses the supplied pkg.
*/
static xstring *
pkg_xstring_printf_set(xstring * restrict buf,
const char * restrict format, struct pkg *pkg)
{
const char *f, *fend;
struct percent_esc *p;
assert(buf != NULL);
assert(format != NULL);
f = format;
p = new_percent_esc();
if (p == NULL) {
xstring_reset(buf);
return (buf);
}
while ( *f != '\0' ) {
switch(*f) {
case '%':
fend = parse_format(f, PP_PKG, p);
f = process_format_main(buf, p, f, fend, pkg);
break;
case '\\':
f = process_escape(buf, f);
break;
default:
fputc(*f, buf->fp);
f++;
break;
}
if (f == NULL) {
xstring_reset(buf);
break;
}
}
free_percent_esc(p);
return (buf);
}
int
pkg_fprintf_pkg(FILE * restrict stream, const char * restrict format,
struct pkg *pkg)
{
xstring *buf;
int count;
buf = xstring_new();
if (buf)
buf = pkg_xstring_printf_set(buf, format, pkg);
fflush(buf->fp);
if (buf && strlen(buf->buf) > 0) {
count = fprintf(stream, "%s", buf->buf);
} else
count = -1;
if (buf)
xstring_free(buf);
return (count);
}
/*
* That's All Folks!
*/