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-rw-r--r--stest.c109
1 files changed, 109 insertions, 0 deletions
diff --git a/stest.c b/stest.c
new file mode 100644
index 0000000..7a7b0bc
--- /dev/null
+++ b/stest.c
@@ -0,0 +1,109 @@
+/* See LICENSE file for copyright and license details. */
+#include <sys/stat.h>
+
+#include <dirent.h>
+#include <limits.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "arg.h"
+char *argv0;
+
+#define FLAG(x) (flag[(x)-'a'])
+
+static void test(const char *, const char *);
+static void usage(void);
+
+static int match = 0;
+static int flag[26];
+static struct stat old, new;
+
+static void
+test(const char *path, const char *name)
+{
+ struct stat st, ln;
+
+ if ((!stat(path, &st) && (FLAG('a') || name[0] != '.') /* hidden files */
+ && (!FLAG('b') || S_ISBLK(st.st_mode)) /* block special */
+ && (!FLAG('c') || S_ISCHR(st.st_mode)) /* character special */
+ && (!FLAG('d') || S_ISDIR(st.st_mode)) /* directory */
+ && (!FLAG('e') || access(path, F_OK) == 0) /* exists */
+ && (!FLAG('f') || S_ISREG(st.st_mode)) /* regular file */
+ && (!FLAG('g') || st.st_mode & S_ISGID) /* set-group-id flag */
+ && (!FLAG('h') || (!lstat(path, &ln) && S_ISLNK(ln.st_mode))) /* symbolic link */
+ && (!FLAG('n') || st.st_mtime > new.st_mtime) /* newer than file */
+ && (!FLAG('o') || st.st_mtime < old.st_mtime) /* older than file */
+ && (!FLAG('p') || S_ISFIFO(st.st_mode)) /* named pipe */
+ && (!FLAG('r') || access(path, R_OK) == 0) /* readable */
+ && (!FLAG('s') || st.st_size > 0) /* not empty */
+ && (!FLAG('u') || st.st_mode & S_ISUID) /* set-user-id flag */
+ && (!FLAG('w') || access(path, W_OK) == 0) /* writable */
+ && (!FLAG('x') || access(path, X_OK) == 0)) != FLAG('v')) { /* executable */
+ if (FLAG('q'))
+ exit(0);
+ match = 1;
+ puts(name);
+ }
+}
+
+static void
+usage(void)
+{
+ fprintf(stderr, "usage: %s [-abcdefghlpqrsuvwx] "
+ "[-n file] [-o file] [file...]\n", argv0);
+ exit(2); /* like test(1) return > 1 on error */
+}
+
+int
+main(int argc, char *argv[])
+{
+ struct dirent *d;
+ char path[PATH_MAX], *line = NULL, *file;
+ size_t linesiz = 0;
+ ssize_t n;
+ DIR *dir;
+ int r;
+
+ ARGBEGIN {
+ case 'n': /* newer than file */
+ case 'o': /* older than file */
+ file = EARGF(usage());
+ if (!(FLAG(ARGC()) = !stat(file, (ARGC() == 'n' ? &new : &old))))
+ perror(file);
+ break;
+ default:
+ /* miscellaneous operators */
+ if (strchr("abcdefghlpqrsuvwx", ARGC()))
+ FLAG(ARGC()) = 1;
+ else
+ usage(); /* unknown flag */
+ } ARGEND;
+
+ if (!argc) {
+ /* read list from stdin */
+ while ((n = getline(&line, &linesiz, stdin)) > 0) {
+ if (n && line[n - 1] == '\n')
+ line[n - 1] = '\0';
+ test(line, line);
+ }
+ free(line);
+ } else {
+ for (; argc; argc--, argv++) {
+ if (FLAG('l') && (dir = opendir(*argv))) {
+ /* test directory contents */
+ while ((d = readdir(dir))) {
+ r = snprintf(path, sizeof path, "%s/%s",
+ *argv, d->d_name);
+ if (r >= 0 && (size_t)r < sizeof path)
+ test(path, d->d_name);
+ }
+ closedir(dir);
+ } else {
+ test(*argv, *argv);
+ }
+ }
+ }
+ return match ? 0 : 1;
+}