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Fix build on platforms without chflags and those without chflagsat
Baptiste Daroussin committed 11 years ago
commit 40de1c0465f9556cd12d957c8a67a191b723c3fd
parent f4f09f725f1127be0377290626ef1a5ad983b6d5
3 files changed +43 -4
modified configure.ac
@@ -329,6 +329,8 @@ if test "$ac_cv_func_dirname" = yes ; then
	AC_DEFINE(HAVE_BSD_DIRNAME, 1, [Define 1 if you have 'dirname(const char *)' function.])

fi
+ 
AC_CHECK_FUNCS(chflags chflagsat)
+ 


AC_CHECK_FUNCS(basename_r)

AC_CACHE_CHECK(for BSD basename(const char *),

               ac_cv_func_basename,
modified libpkg/pkg_add.c
@@ -257,9 +257,10 @@ do_extract(struct archive *a, struct archive_entry *ae, const char *location,


		/* Rename old file */

		if (renamed) {
- 
			bool old = false;



			pkg_debug(1, "Renaming %s -> %s", rpath, pathname);
+ 
#ifdef HAVE_CHFLAGS
+ 
			bool old = false;

			if (aest->st_flags & NOCHANGESFLAGS)

				chflags(rpath, aest->st_flags & ~NOCHANGESFLAGS);
@@ -268,18 +269,23 @@ do_extract(struct archive *a, struct archive_entry *ae, const char *location,
				if (st.st_flags & NOCHANGESFLAGS)

					chflags(pathname, aest->st_flags & ~NOCHANGESFLAGS);

			}
+ 
#endif



			if (rename(rpath, pathname) == -1) {
+ 
#ifdef HAVE_CHFLAGS

				/* restore flags */

				if (old)

					chflags(pathname, st.st_flags);
+ 
#endif

				pkg_emit_error("cannot rename %s to %s: %s", rpath, pathname,

					strerror(errno));

				retcode = EPKG_FATAL;

				goto cleanup;

			}
+ 
#ifdef HAVE_CHFLAGS

			/* Restore flags on the final file */

			chflags(pathname, aest->st_flags);
+ 
#endif

		}



		if (string_end_with(pathname, ".pkgnew"))
@@ -300,8 +306,10 @@ cleanup:
	pkg_emit_extract_finished(pkg);



	if (renamed && retcode == EPKG_FATAL) {
+ 
#ifdef HAVE_CHFLAGS

		if (aest->st_flags & NOCHANGESFLAGS)

			chflags(rpath, aest->st_flags & ~NOCHANGESFLAGS);
+ 
#endif

		unlink(rpath);

	}
modified libpkg/pkg_delete.c
@@ -28,6 +28,10 @@
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 */
+ 
#ifdef HAVE_CONFIG_H
+ 
#include "pkg_config.h"
+ 
#endif
+ 


#include <assert.h>

#include <errno.h>

#include <string.h>
@@ -187,11 +191,24 @@ rmdir_p(struct pkgdb *db, struct pkg *pkg, char *dir, const char *prefix_r)
		return;



	pkg_debug(1, "removing directory %s", fullpath);
- 
	if (fstatat(pkg->rootfd, dir, &st, AT_SYMLINK_NOFOLLOW) != -1)
+ 
#ifdef HAVE_CHFLAGS
+ 
	if (fstatat(pkg->rootfd, dir, &st, AT_SYMLINK_NOFOLLOW) != -1) {

		if (st.st_flags & NOCHANGESFLAGS)
+ 
#ifdef HAVE_CHFLAGSAT

			chflagsat(pkg->rootfd, dir,

			    st.st_flags & ~NOCHANGESFLAGS,

			    AT_SYMLINK_NOFOLLOW);
+ 
#else
+ 
			int fd;
+
+ 
			fd = openat(pkg->rootfd, dir, O_NOFOLLOW);
+ 
			if (fd > 0) {
+ 
				fchflags(fd, st.st_flags & ~NOCHANGESFLAGS);
+ 
				close(fd);
+ 
			}
+ 
#endif
+ 
	}
+ 
#endif



	if (unlinkat(pkg->rootfd, dir, AT_REMOVEDIR) == -1) {

		if (errno != ENOTEMPTY && errno != EBUSY)
@@ -276,12 +293,24 @@ pkg_delete_file(struct pkg *pkg, struct pkg_file *file, unsigned force)
		}

	}
- 
	if (fstatat(pkg->rootfd, path, &st, AT_SYMLINK_NOFOLLOW) != -1)
+ 
#ifdef HAVE_CHFLAGS
+ 
	if (fstatat(pkg->rootfd, path, &st, AT_SYMLINK_NOFOLLOW) != -1) {

		if (st.st_flags & NOCHANGESFLAGS)
+ 
#ifdef HAVE_CHFLAGSAT

			chflagsat(pkg->rootfd, path,

			    st.st_flags & ~NOCHANGESFLAGS,

			    AT_SYMLINK_NOFOLLOW);
-
+ 
#else
+ 
			int fd;
+
+ 
			fd = openat(pkg->rootfd, path, O_NOFOLLOW);
+ 
			if (fd > 0) {
+ 
				fchflags(fd, st.st_flags & ~NOCHANGESFLAGS);
+ 
				close(fd);
+ 
			}
+ 
#endif
+ 
	}
+ 
#endif

	if (unlinkat(pkg->rootfd, path, 0) == -1) {

		if (force < 2)

			pkg_emit_errno("unlinkat", path);