diff options
Diffstat (limited to 'libbb')
| -rw-r--r-- | libbb/procps.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/libbb/procps.c b/libbb/procps.c index 05eefe0..4edc54d 100644 --- a/libbb/procps.c +++ b/libbb/procps.c @@ -588,12 +588,14 @@ void FAST_FUNC read_cmdline(char *buf, int col, unsigned pid, const char *comm) buf[sz] = ' '; sz--; } + if (base[0] == '-') /* "-sh" (login shell)? */ + base++; /* If comm differs from argv0, prepend "{comm} ". * It allows to see thread names set by prctl(PR_SET_NAME). */ - if (base[0] == '-') /* "-sh" (login shell)? */ - base++; + if (!comm) + return; comm_len = strlen(comm); /* Why compare up to comm_len, not COMM_LEN-1? * Well, some processes rewrite argv, and use _spaces_ there @@ -612,7 +614,7 @@ void FAST_FUNC read_cmdline(char *buf, int col, unsigned pid, const char *comm) buf[col - 1] = '\0'; } } else { - snprintf(buf, col, "[%s]", comm); + snprintf(buf, col, "[%s]", comm ? comm : "?"); } } |