65 lines
1.0 KiB
C
65 lines
1.0 KiB
C
/* See LICENSE file for copyright and license details. */
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#include <sys/types.h>
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#include <dirent.h>
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#include <libgen.h>
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#include <stdio.h>
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#include <string.h>
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#include "proc.h"
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#include "util.h"
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static void
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usage(void)
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{
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eprintf("usage: %s [program...]\n", argv0);
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}
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int
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main(int argc, char *argv[])
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{
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DIR *dp;
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struct dirent *entry;
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pid_t pid;
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struct procstat ps;
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char cmdline[BUFSIZ], *cmd, *p;
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int i, found = 0;
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ARGBEGIN {
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default:
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usage();
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} ARGEND;
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if (!argc)
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return 1;
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if (!(dp = opendir("/proc")))
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eprintf("opendir /proc:");
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while ((entry = readdir(dp))) {
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if (!pidfile(entry->d_name))
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continue;
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for (i = 0; i < argc; i++) {
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pid = estrtol(entry->d_name, 10);
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parsestat(pid, &ps);
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if (parsecmdline(ps.pid, cmdline,
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sizeof(cmdline)) < 0) {
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cmd = ps.comm;
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} else {
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if ((p = strchr(cmdline, ' ')))
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*p = '\0';
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cmd = basename(cmdline);
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}
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if (strcmp(cmd, argv[i]) == 0) {
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putword(entry->d_name);
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found++;
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}
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}
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}
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if (found)
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putchar('\n');
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closedir(dp);
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return 0;
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}
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