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- /* See LICENSE file for copyright and license details. */
- #include <stdio.h>
- #include <string.h>
- #include "../slstatus.h"
- #include "../util.h"
- const char *
- run_command(const char *cmd)
- {
- char *p;
- FILE *fp;
- if (!(fp = popen(cmd, "r"))) {
- warn("popen '%s':", cmd);
- return NULL;
- }
- p = fgets(buf, sizeof(buf) - 1, fp);
- if (pclose(fp) < 0) {
- warn("pclose '%s':", cmd);
- return NULL;
- }
- if (!p)
- return NULL;
- if ((p = strrchr(buf, '\n')))
- p[0] = '\0';
- return buf[0] ? buf : NULL;
- }
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