diff options
Diffstat (limited to 'libbb/procps.c')
| -rw-r--r-- | libbb/procps.c | 35 |
1 files changed, 34 insertions, 1 deletions
diff --git a/libbb/procps.c b/libbb/procps.c index 8413ce8a1..1987e98fd 100644 --- a/libbb/procps.c +++ b/libbb/procps.c @@ -102,7 +102,7 @@ procps_status_t *alloc_procps_scan(int flags) void free_procps_scan(procps_status_t* sp) { closedir(sp->dir); - free(sp->cmd); + free(sp->argv0); USE_SELINUX(free(sp->context);) free(sp); } @@ -266,6 +266,7 @@ procps_status_t *procps_scan(procps_status_t* sp, int flags) } +#if 0 /* PSSCAN_CMD is not used */ if (flags & (PSSCAN_CMD|PSSCAN_ARGV0)) { if (sp->argv0) { free(sp->argv0); @@ -292,10 +293,42 @@ procps_status_t *procps_scan(procps_status_t* sp, int flags) sp->cmd = xstrdup(buf); } } +#else + if (flags & PSSCAN_ARGV0) { + if (sp->argv0) { + free(sp->argv0); + sp->argv0 = NULL; + } + strcpy(filename_tail, "/cmdline"); + n = read_to_buf(filename, buf); + if (n <= 0) + break; + if (flags & PSSCAN_ARGV0) + sp->argv0 = xstrdup(buf); + } +#endif break; } return sp; } + +void read_cmdline(char *buf, int col, unsigned pid, const char *comm) +{ + ssize_t sz; + char filename[sizeof("/proc//cmdline") + sizeof(int)*3]; + + sprintf(filename, "/proc/%u/cmdline", pid); + sz = open_read_close(filename, buf, col); + if (sz > 0) { + buf[sz] = '\0'; + while (--sz >= 0) + if ((unsigned char)(buf[sz]) < ' ') + buf[sz] = ' '; + } else { + snprintf(buf, col, "[%s]", comm); + } +} + /* from kernel: // pid comm S ppid pgid sid tty_nr tty_pgrp flg sprintf(buffer,"%d (%s) %c %d %d %d %d %d %lu %lu \ |