ee5ec75621
- Use block for single statement ifs - Keep lines to reasonable length (current debate as to reasonable) - When functions return -1 for error test against 0 not -1 - Do not indent cases another level - Do not test against NULL and 0 explicitly - Use tabs for indentation, use spaces for alignment
28 lines
479 B
C
28 lines
479 B
C
/* See LICENSE file for copyright and license details. */
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#include <errno.h>
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#include <stdio.h>
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#include <string.h>
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#include "../util.h"
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const char *
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run_command(const char *cmd)
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{
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char *p;
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FILE *fp;
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if (!(fp = popen(cmd, "r"))) {
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fprintf(stderr, "popen '%s': %s\n", cmd, strerror(errno));
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return NULL;
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}
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p = fgets(buf, sizeof(buf) - 1, fp);
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pclose(fp);
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if (!p) {
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return NULL;
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}
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if ((p = strrchr(buf, '\n'))) {
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p[0] = '\0';
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}
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return buf[0] ? buf : NULL;
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}
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