From 4ef7d3a2de3df27dde80a64987202f10aebfe925 Mon Sep 17 00:00:00 2001 From: Denis Vlasenko Date: Tue, 29 May 2007 21:41:28 +0000 Subject: verror_msg: don't printf(NULL) --- libbb/verror_msg.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/libbb/verror_msg.c b/libbb/verror_msg.c index 526b9d36c..082e7bf3c 100644 --- a/libbb/verror_msg.c +++ b/libbb/verror_msg.c @@ -20,6 +20,9 @@ void bb_verror_msg(const char *s, va_list p, const char* strerr) va_list p2; va_copy(p2, p); + if (!s) /* nomsg[_and_die] uses NULL fmt */ + s = ""; /* some libc don't like printf(NULL) */ + if (logmode & LOGMODE_STDIO) { fflush(stdout); fprintf(stderr, "%s: ", applet_name); @@ -28,7 +31,7 @@ void bb_verror_msg(const char *s, va_list p, const char* strerr) fputs(msg_eol, stderr); else fprintf(stderr, "%s%s%s", - s ? ": " : "", + s[0] ? ": " : "", strerr, msg_eol); } if (ENABLE_FEATURE_SYSLOG && (logmode & LOGMODE_SYSLOG)) { @@ -36,8 +39,10 @@ void bb_verror_msg(const char *s, va_list p, const char* strerr) vsyslog(LOG_ERR, s, p2); else { char *msg; - if (vasprintf(&msg, s, p2) < 0) - bb_error_msg_and_die(bb_msg_memory_exhausted); + if (vasprintf(&msg, s, p2) < 0) { + fprintf(stderr, "%s: %s\n", applet_name, bb_msg_memory_exhausted); + xfunc_die(); + } syslog(LOG_ERR, "%s: %s", msg, strerr); free(msg); } -- cgit v1.2.3