| for systems that don't support latest POSIX standard: %as |
| |
| https://bugs.gentoo.org/406303 |
| |
| --- a/configure.ac |
| +++ b/configure.ac |
| @@ -688,7 +688,6 @@ AC_ARG_ENABLE([libmount], |
| UL_BUILD_INIT([libmount]) |
| UL_REQUIRES_LINUX([libmount]) |
| UL_REQUIRES_BUILD([libmount], [libblkid]) |
| -UL_REQUIRES_HAVE([libmount], [scanf_alloc_modifier], [scanf string alloc modifier]) |
| AM_CONDITIONAL(BUILD_LIBMOUNT, test "x$build_libmount" = xyes) |
| |
| AC_SUBST([LIBMOUNT_VERSION]) |
| --- a/libmount/src/tab_parse.c |
| +++ b/libmount/src/tab_parse.c |
| @@ -22,6 +22,10 @@ |
| #include "pathnames.h" |
| #include "strutils.h" |
| |
| +#ifndef HAVE_SCANF_MS_MODIFIER |
| +# define UL_SCNsA "%s" |
| +#endif |
| + |
| static inline char *skip_spaces(char *s) |
| { |
| assert(s); |
| @@ -61,16 +65,31 @@ static int mnt_parse_table_line(struct libmnt_fs *fs, char *s) |
| int rc, n = 0, xrc; |
| char *src = NULL, *fstype = NULL, *optstr = NULL; |
| |
| +#ifndef HAVE_SCANF_MS_MODIFIER |
| + size_t len = strlen(s) + 1; |
| + src = malloc(len); |
| + fstype = malloc(len); |
| + fs->target = malloc(len); |
| + optstr = malloc(len); |
| +#endif |
| + |
| rc = sscanf(s, UL_SCNsA" " /* (1) source */ |
| UL_SCNsA" " /* (2) target */ |
| UL_SCNsA" " /* (3) FS type */ |
| UL_SCNsA" " /* (4) options */ |
| "%n", /* byte count */ |
| |
| +#ifdef HAVE_SCANF_MS_MODIFIER |
| &src, |
| &fs->target, |
| &fstype, |
| &optstr, |
| +#else |
| + src, |
| + fs->target, |
| + fstype, |
| + optstr, |
| +#endif |
| &n); |
| xrc = rc; |
| |
| @@ -136,6 +155,16 @@ static int mnt_parse_mountinfo_line(struct libmnt_fs *fs, char *s) |
| unsigned int maj, min; |
| char *fstype = NULL, *src = NULL, *p; |
| |
| +#ifndef HAVE_SCANF_MS_MODIFIER |
| + size_t len = strlen(s) + 1; |
| + fs->root = malloc(len); |
| + fs->target = malloc(len); |
| + fs->vfs_optstr = malloc(len); |
| + fs->fs_optstr = malloc(len); |
| + fstype = malloc(len); |
| + src = malloc(len); |
| +#endif |
| + |
| rc = sscanf(s, "%u " /* (1) id */ |
| "%u " /* (2) parent */ |
| "%u:%u " /* (3) maj:min */ |
| @@ -147,9 +175,15 @@ static int mnt_parse_mountinfo_line(struct libmnt_fs *fs, char *s) |
| &fs->id, |
| &fs->parent, |
| &maj, &min, |
| +#ifdef HAVE_SCANF_MS_MODIFIER |
| &fs->root, |
| &fs->target, |
| &fs->vfs_optstr, |
| +#else |
| + fs->root, |
| + fs->target, |
| + fs->vfs_optstr, |
| +#endif |
| &end); |
| |
| if (rc >= 7 && end > 0) |
| @@ -167,9 +201,15 @@ static int mnt_parse_mountinfo_line(struct libmnt_fs *fs, char *s) |
| UL_SCNsA" " /* (9) source */ |
| UL_SCNsA, /* (10) fs options (fs specific) */ |
| |
| +#ifdef HAVE_SCANF_MS_MODIFIER |
| &fstype, |
| &src, |
| &fs->fs_optstr); |
| +#else |
| + fstype, |
| + src, |
| + fs->fs_optstr); |
| +#endif |
| |
| if (rc >= 10) { |
| fs->flags |= MNT_FS_KERNEL; |