X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=log.c;h=4822c33526d29fd4b7d9c0731f5030c75c982909;hp=a26dee8775cb751eb786cb562cfafbcf4decdca5;hb=fdc0f3b646e417497849d4398029f780b0e5262f;hpb=1e5324e723116a5faf9da686993cc79c14d62d4b

diff --git a/log.c b/log.c
index a26dee87..4822c335 100644
--- a/log.c
+++ b/log.c
@@ -12,6 +12,7 @@ int log_valist(const char *str, va_list args)
 	size_t len;
 
 	len = vsnprintf(buffer, sizeof(buffer), str, args);
+	len = min(len, sizeof(buffer) - 1);
 
 	if (log_syslog)
 		syslog(LOG_INFO, "%s", buffer);
@@ -40,6 +41,7 @@ int log_local(const char *format, ...)
 	va_start(args, format);
 	len = vsnprintf(buffer, sizeof(buffer), format, args);
 	va_end(args);
+	len = min(len, sizeof(buffer) - 1);
 
 	if (log_syslog)
 		syslog(LOG_INFO, "%s", buffer);
@@ -58,6 +60,7 @@ int log_info(const char *format, ...)
 	va_start(args, format);
 	len = vsnprintf(buffer, sizeof(buffer), format, args);
 	va_end(args);
+	len = min(len, sizeof(buffer) - 1);
 
 	if (is_backend)
 		return fio_server_text_output(FIO_LOG_INFO, buffer, len);
@@ -68,6 +71,14 @@ int log_info(const char *format, ...)
 		return fwrite(buffer, len, 1, f_out);
 }
 
+int log_info_flush(void)
+{
+	if (is_backend || log_syslog)
+		return 0;
+
+	return fflush(f_out);
+}
+
 int log_err(const char *format, ...)
 {
 	char buffer[1024];
@@ -77,6 +88,7 @@ int log_err(const char *format, ...)
 	va_start(args, format);
 	len = vsnprintf(buffer, sizeof(buffer), format, args);
 	va_end(args);
+	len = min(len, sizeof(buffer) - 1);
 
 	if (is_backend)
 		return fio_server_text_output(FIO_LOG_ERR, buffer, len);