33 lines
652 B
C
33 lines
652 B
C
|
/* See LICENSE file for copyright and license details. */
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <string.h>
|
||
|
|
|
||
|
|
#include "../slstatus.h"
|
||
|
|
#include "../util.h"
|
||
|
|
|
||
|
|
const char *
|
||
|
|
cat(const char *path)
|
||
|
|
{
|
||
|
|
char *f;
|
||
|
|
FILE *fp;
|
||
|
|
|
||
|
|
if (!(fp = fopen(path, "r"))) {
|
||
|
|
warn("fopen '%s':", path);
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
f = fgets(buf, sizeof(buf) - 1, fp);
|
||
|
|
if (fclose(fp) < 0) {
|
||
|
|
warn("fclose '%s':", path);
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
if (!f)
|
||
|
|
return NULL;
|
||
|
|
|
||
|
|
if ((f = strrchr(buf, '\n')))
|
||
|
|
f[0] = '\0';
|
||
|
|
|
||
|
|
return buf[0] ? buf : NULL;
|
||
|
|
}
|
||
|
|
|