merge stest -> default

1 files changed, 84 insertions, 0 deletions

diff --git a/stest.c b/stest.c
new file mode 100644
index 0000000..e1dcf36
--- /dev/null
+++ b/stest.c
@@ -0,0 +1,84 @@
+/* See LICENSE file for copyright and license details. */
+#include <dirent.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/stat.h>
+
+#define FLAG(x)  (flag[(x)-'a'])
+
+static void test(const char *, const char *);
+
+static bool match = false;
+static bool flag[26];
+static struct stat old, new;
+
+int
+main(int argc, char *argv[]) {
+	struct dirent *d;
+	char buf[BUFSIZ], *p;
+	DIR *dir;
+	int opt;
+
+	while((opt = getopt(argc, argv, "abcdefghln:o:pqrsuwx")) != -1)
+		switch(opt) {
+		case 'n': /* newer than file */
+		case 'o': /* older than file */
+			if(!(FLAG(opt) = !stat(optarg, (opt == 'n' ? &new : &old))))
+				perror(optarg);
+			break;
+		default:  /* miscellaneous operators */
+			FLAG(opt) = true;
+			break;
+		case '?': /* error: unknown flag */
+			fprintf(stderr, "usage: %s [-abcdefghlpqrsuwx] [-n file] [-o file] [file...]\n", argv[0]);
+			exit(2);
+		}
+	if(optind == argc)
+		while(fgets(buf, sizeof buf, stdin)) {
+			if((p = strchr(buf, '\n')))
+				*p = '\0';
+			test(buf, buf);
+		}
+	for(; optind < argc; optind++)
+		if(FLAG('l') && (dir = opendir(argv[optind]))) {
+			/* test directory contents */
+			while((d = readdir(dir)))
+				if(snprintf(buf, sizeof buf, "%s/%s", argv[optind], d->d_name) < sizeof buf)
+					test(buf, d->d_name);
+			closedir(dir);
+		}
+		else
+			test(argv[optind], argv[optind]);
+
+	return match ? 0 : 1;
+}
+
+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)) {                 /* executable        */
+		if(FLAG('q'))
+			exit(0);
+		match = true;
+		puts(name);
+	}
+}