verify.c: Increase buffer size for server certificates.

[tlsproxy/tlsproxy.git] / src / log.c

diff --git a/src/log.c b/src/log.c
index e00a08d8aa77f9a2914ce39fee3821c97bd87e97..05acddfc8b98b5d8fcb37f89f1974b47d32c59b1 100644 (file)
--- a/src/log.c
+++ b/src/log.c
@@ -20,10 +20,8 @@
 #include "tlsproxy.h"
 #include "log.h"
 
-/* va_*() */
-#include <stdarg.h>
-/* pthread_self() */
 #include <pthread.h>
+#include <stdarg.h>
 
 
 void log_message(int level, const char *file, int line, const char *format, ...) {
@@ -47,7 +45,9 @@ void log_message(int level, const char *file, int line, const char *format, ...)
     (void)line;
 #endif
 
-    va_start(ap, format);
+    /* Prevent another thread from interrupting the two printfs(). */
+    flockfile(stdout);
+
     fprintf(stdout,
 #ifdef DEBUG
             "%-12s:%-3d "
@@ -57,7 +57,10 @@ void log_message(int level, const char *file, int line, const char *format, ...)
             file, line,
 #endif
             level_string, (int)pthread_self());
+    va_start(ap, format);
     vfprintf(stdout, format, ap);
-    fprintf(stdout, "\n");
     va_end(ap);
+    fprintf(stdout, "\n");
+
+    funlockfile(stdout);
 }