dmenu

Simple dynamic menu for X
git clone https://git.sinitax.com/suckless/dmenu
Log | Files | Refs | README | LICENSE | sfeed.txt

stest.c (3224B)

      1/* See LICENSE file for copyright and license details. */
      2#include <sys/stat.h>
      3
      4#include <dirent.h>
      5#include <limits.h>
      6#include <stdio.h>
      7#include <stdlib.h>
      8#include <string.h>
      9#include <unistd.h>
     10
     11#include "arg.h"
     12char *argv0;
     13
     14#define FLAG(x)  (flag[(x)-'a'])
     15
     16static void test(const char *, const char *);
     17static void usage(void);
     18
     19static int match = 0;
     20static int flag[26];
     21static struct stat old, new;
     22
     23static void
     24test(const char *path, const char *name)
     25{
     26	struct stat st, ln;
     27
     28	if ((!stat(path, &st) && (FLAG('a') || name[0] != '.')        /* hidden files      */
     29	&& (!FLAG('b') || S_ISBLK(st.st_mode))                        /* block special     */
     30	&& (!FLAG('c') || S_ISCHR(st.st_mode))                        /* character special */
     31	&& (!FLAG('d') || S_ISDIR(st.st_mode))                        /* directory         */
     32	&& (!FLAG('e') || access(path, F_OK) == 0)                    /* exists            */
     33	&& (!FLAG('f') || S_ISREG(st.st_mode))                        /* regular file      */
     34	&& (!FLAG('g') || st.st_mode & S_ISGID)                       /* set-group-id flag */
     35	&& (!FLAG('h') || (!lstat(path, &ln) && S_ISLNK(ln.st_mode))) /* symbolic link     */
     36	&& (!FLAG('n') || st.st_mtime > new.st_mtime)                 /* newer than file   */
     37	&& (!FLAG('o') || st.st_mtime < old.st_mtime)                 /* older than file   */
     38	&& (!FLAG('p') || S_ISFIFO(st.st_mode))                       /* named pipe        */
     39	&& (!FLAG('r') || access(path, R_OK) == 0)                    /* readable          */
     40	&& (!FLAG('s') || st.st_size > 0)                             /* not empty         */
     41	&& (!FLAG('u') || st.st_mode & S_ISUID)                       /* set-user-id flag  */
     42	&& (!FLAG('w') || access(path, W_OK) == 0)                    /* writable          */
     43	&& (!FLAG('x') || access(path, X_OK) == 0)) != FLAG('v')) {   /* executable        */
     44		if (FLAG('q'))
     45			exit(0);
     46		match = 1;
     47		puts(name);
     48	}
     49}
     50
     51static void
     52usage(void)
     53{
     54	fprintf(stderr, "usage: %s [-abcdefghlpqrsuvwx] "
     55	        "[-n file] [-o file] [file...]\n", argv0);
     56	exit(2); /* like test(1) return > 1 on error */
     57}
     58
     59int
     60main(int argc, char *argv[])
     61{
     62	struct dirent *d;
     63	char path[PATH_MAX], *line = NULL, *file;
     64	size_t linesiz = 0;
     65	ssize_t n;
     66	DIR *dir;
     67	int r;
     68
     69	ARGBEGIN {
     70	case 'n': /* newer than file */
     71	case 'o': /* older than file */
     72		file = EARGF(usage());
     73		if (!(FLAG(ARGC()) = !stat(file, (ARGC() == 'n' ? &new : &old))))
     74			perror(file);
     75		break;
     76	default:
     77		/* miscellaneous operators */
     78		if (strchr("abcdefghlpqrsuvwx", ARGC()))
     79			FLAG(ARGC()) = 1;
     80		else
     81			usage(); /* unknown flag */
     82	} ARGEND;
     83
     84	if (!argc) {
     85		/* read list from stdin */
     86		while ((n = getline(&line, &linesiz, stdin)) > 0) {
     87			if (line[n - 1] == '\n')
     88				line[n - 1] = '\0';
     89			test(line, line);
     90		}
     91		free(line);
     92	} else {
     93		for (; argc; argc--, argv++) {
     94			if (FLAG('l') && (dir = opendir(*argv))) {
     95				/* test directory contents */
     96				while ((d = readdir(dir))) {
     97					r = snprintf(path, sizeof path, "%s/%s",
     98					             *argv, d->d_name);
     99					if (r >= 0 && (size_t)r < sizeof path)
    100						test(path, d->d_name);
    101				}
    102				closedir(dir);
    103			} else {
    104				test(*argv, *argv);
    105			}
    106		}
    107	}
    108	return match ? 0 : 1;
    109}