From 40a50b0a73d185c85cf62023f07e3091861081bb Mon Sep 17 00:00:00 2001 From: Markus Armbruster Date: Tue, 22 Jan 2013 11:08:03 +0100 Subject: qemu-log: Plug trivial memory leak in cpu_set_log_filename() Signed-off-by: Markus Armbruster Signed-off-by: Stefan Hajnoczi --- qemu-log.c | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) diff --git a/qemu-log.c b/qemu-log.c index 64a1b886dc..30c9ab01bd 100644 --- a/qemu-log.c +++ b/qemu-log.c @@ -21,10 +21,12 @@ #include "qemu/log.h" #ifdef WIN32 -static const char *logfilename = "qemu.log"; +#define DEFAULT_LOGFILENAME "qemu.log" #else -static const char *logfilename = "/tmp/qemu.log"; +#define DEFAULT_LOGFILENAME "/tmp/qemu.log" #endif + +static char *logfilename; FILE *qemu_logfile; int qemu_loglevel; static int log_append = 0; @@ -54,11 +56,13 @@ void qemu_log_mask(int mask, const char *fmt, ...) /* enable or disable low levels log */ void qemu_set_log(int log_flags, bool use_own_buffers) { + const char *fname = logfilename ?: DEFAULT_LOGFILENAME; + qemu_loglevel = log_flags; if (qemu_loglevel && !qemu_logfile) { - qemu_logfile = fopen(logfilename, log_append ? "a" : "w"); + qemu_logfile = fopen(fname, log_append ? "a" : "w"); if (!qemu_logfile) { - perror(logfilename); + perror(fname); _exit(1); } /* must avoid mmap() usage of glibc by setting a buffer "by hand" */ @@ -84,6 +88,7 @@ void qemu_set_log(int log_flags, bool use_own_buffers) void cpu_set_log_filename(const char *filename) { + g_free(logfilename); logfilename = g_strdup(filename); if (qemu_logfile) { fclose(qemu_logfile); -- cgit v1.2.3