diff options
Diffstat (limited to 'usr.bin/find/function.c')
| -rw-r--r-- | usr.bin/find/function.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/usr.bin/find/function.c b/usr.bin/find/function.c index 670d102cc8e0..18cd83cfa3e1 100644 --- a/usr.bin/find/function.c +++ b/usr.bin/find/function.c @@ -49,6 +49,7 @@ static const char rcsid[] = #include <sys/wait.h> #include <sys/mount.h> +#include <dirent.h> #include <err.h> #include <errno.h> #include <fnmatch.h> @@ -385,6 +386,48 @@ c_exec(argvp, isok) } /* + * -empty functions -- + * + * True if the file or directory is empty + */ +int +f_empty(plan, entry) + PLAN *plan; + FTSENT *entry; +{ + if (S_ISREG(entry->fts_statp->st_mode) && entry->fts_statp->st_size == 0) + return (1); + if (S_ISDIR(entry->fts_statp->st_mode)) { + struct dirent *dp; + int empty; + DIR *dir; + + empty = 1; + dir = opendir(entry->fts_accpath); + if (dir == NULL) + err(1, "%s", entry->fts_accpath); + for (dp = readdir(dir); dp; dp = readdir(dir)) + if (dp->d_name[0] != '.' || + (dp->d_name[1] != '\0' && + (dp->d_name[1] != '.' || dp->d_name[2] != '\0'))) { + empty = 0; + break; + } + closedir(dir); + return (empty); + } + return (0); +} + +PLAN * +c_empty() +{ + ftsoptions &= ~FTS_NOSTAT; + + return (palloc(N_EMPTY, f_empty)); +} + +/* * -execdir utility [arg ... ] ; functions -- * * True if the executed utility returns a zero value as exit status. |