6820631175
For multiple reasons the program is now split: - Make future porting to OpenBSD easier - Assign header includes to individiual functions - Make future program extensions easier - Recompile only changed parts
27 lines
415 B
C
27 lines
415 B
C
#include <err.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
|
|
#include "util.h"
|
|
|
|
const char *
|
|
run_command(const char *cmd)
|
|
{
|
|
char *p;
|
|
FILE *fp;
|
|
|
|
fp = popen(cmd, "r");
|
|
if (fp == NULL) {
|
|
warn("Failed to get command output for %s", cmd);
|
|
return NULL;
|
|
}
|
|
p = fgets(buf, sizeof(buf) - 1, fp);
|
|
pclose(fp);
|
|
if (!p)
|
|
return NULL;
|
|
if ((p = strrchr(buf, '\n')) != NULL)
|
|
p[0] = '\0';
|
|
|
|
return buf[0] ? buf : NULL;
|
|
}
|