summaryrefslogtreecommitdiff
path: root/stest.c
diff options
context:
space:
mode:
Diffstat (limited to 'stest.c')
-rw-r--r--stest.c85
1 files changed, 85 insertions, 0 deletions
diff --git a/stest.c b/stest.c
new file mode 100644
index 0000000..a5596ea
--- /dev/null
+++ b/stest.c
@@ -0,0 +1,85 @@
+/* See LICENSE file for copyright and license details. */
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/stat.h>
+
+#define OPER(x) (oper[(x)-'a'])
+
+static bool test(const char *);
+
+static bool quiet = false;
+static bool oper[26];
+static struct stat old, new;
+
+int
+main(int argc, char *argv[]) {
+ char buf[BUFSIZ], *p;
+ bool match = false;
+ int opt;
+
+ while((opt = getopt(argc, argv, "C:bcdefghn:o:pqrsuwx")) != -1)
+ switch(opt) {
+ case 'C': /* tests relative to directory */
+ if(chdir(optarg) == -1) {
+ perror(optarg);
+ exit(2);
+ }
+ break;
+ case 'n': /* newer than file */
+ case 'o': /* older than file */
+ if(!(OPER(opt) = stat(optarg, (opt == 'n' ? &new : &old)) == 0))
+ perror(optarg);
+ break;
+ case 'q': /* quiet (no output, just status) */
+ quiet = true;
+ break;
+ default: /* miscellaneous operators */
+ OPER(opt) = true;
+ break;
+ case '?': /* error: unknown flag */
+ fprintf(stderr, "usage: %s [-bcdefghpqrsuwx] [-C dir] [-n file] [-o file] [file...]\n", argv[0]);
+ exit(2);
+ }
+ if(optind == argc)
+ while(fgets(buf, sizeof buf, stdin)) {
+ if(*(p = &buf[strlen(buf)-1]) == '\n')
+ *p = '\0';
+ match |= test(buf);
+ }
+ else
+ while(optind < argc)
+ match |= test(argv[optind++]);
+
+ return match ? 0 : 1;
+}
+
+bool
+test(const char *path) {
+ struct stat st;
+
+ if((!OPER('b') || (stat(path, &st) == 0 && S_ISBLK(st.st_mode))) /* block special */
+ && (!OPER('c') || (stat(path, &st) == 0 && S_ISCHR(st.st_mode))) /* character special */
+ && (!OPER('d') || (stat(path, &st) == 0 && S_ISDIR(st.st_mode))) /* directory */
+ && (!OPER('e') || (access(path, F_OK) == 0)) /* exists */
+ && (!OPER('f') || (stat(path, &st) == 0 && S_ISREG(st.st_mode))) /* regular file */
+ && (!OPER('g') || (stat(path, &st) == 0 && (st.st_mode & S_ISGID))) /* set-group-id flag */
+ && (!OPER('h') || (lstat(path, &st) == 0 && S_ISLNK(st.st_mode))) /* symbolic link */
+ && (!OPER('n') || (stat(path, &st) == 0 && st.st_mtime > new.st_mtime)) /* newer than file */
+ && (!OPER('o') || (stat(path, &st) == 0 && st.st_mtime < old.st_mtime)) /* older than file */
+ && (!OPER('p') || (stat(path, &st) == 0 && S_ISFIFO(st.st_mode))) /* named pipe */
+ && (!OPER('r') || (access(path, R_OK) == 0)) /* readable */
+ && (!OPER('s') || (stat(path, &st) == 0 && st.st_size > 0)) /* not empty */
+ && (!OPER('u') || (stat(path, &st) == 0 && (st.st_mode & S_ISUID))) /* set-user-id flag */
+ && (!OPER('w') || (access(path, W_OK) == 0)) /* writable */
+ && (!OPER('x') || (access(path, X_OK) == 0))) { /* executable */
+ if(quiet)
+ exit(0);
+ puts(path);
+ return true;
+ }
+ else
+ return false;
+}