cat.c (652B) download
1/* See LICENSE file for copyright and license details. */
2#include <stdio.h>
3#include <string.h>
4
5#include "../slstatus.h"
6#include "../util.h"
7
8const char *
9cat(const char *path)
10{
11 char *f;
12 FILE *fp;
13
14 if (!(fp = fopen(path, "r"))) {
15 warn("fopen '%s':", path);
16 return NULL;
17 }
18
19 f = fgets(buf, sizeof(buf) - 1, fp);
20 if (fclose(fp) < 0) {
21 warn("fclose '%s':", path);
22 return NULL;
23 }
24 if (!f)
25 return NULL;
26
27 if ((f = strrchr(buf, '\n')))
28 f[0] = '\0';
29
30 return buf[0] ? buf : NULL;
31}
32