diff options
Diffstat (limited to 'common.c')
| -rw-r--r-- | common.c | 29 |
1 files changed, 29 insertions, 0 deletions
@@ -11,6 +11,7 @@ #include <string.h> #include <sys/types.h> +#include <sys/stat.h> #include "pot.h" #include "common.h" @@ -59,6 +60,34 @@ char *sstrdup(const char *s) return r; } +int devcmp(const char *mtab_dev, char *user_dev) +{ + struct stat mtab_stat, user_stat; + + if (stat(mtab_dev, &mtab_stat) < 0 || stat(user_dev, &user_stat) < 0) + return (strcmp(mtab_dev, user_dev) == 0); + if (!S_ISBLK(mtab_stat.st_mode) || !S_ISBLK(user_stat.st_mode)) + return 0; + if (mtab_stat.st_rdev != user_stat.st_rdev) + return 0; + return 1; +} + +int dircmp(char *mtab_dir, char *user_dir) +{ + struct stat mtab_stat, user_stat; + + if (stat(mtab_dir, &mtab_stat) < 0 || stat(user_dir, &user_stat) < 0) + return (strcmp(mtab_dir, user_dir) == 0); + if (!S_ISDIR(mtab_stat.st_mode) || !S_ISDIR(user_stat.st_mode)) + return 0; + if (mtab_stat.st_dev != user_stat.st_dev) + return 0; + if (mtab_stat.st_ino != user_stat.st_ino) + return 0; + return 1; +} + void version(void) { printf(_("Quota utilities version %s.\n"), QUOTA_VERSION); |