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libwine: Disable debug output when stderr goes to /dev/null.

This commit is contained in:
Alexandre Julliard 2011-09-04 23:08:10 +02:00
parent 4b27371392
commit 794b9313a4
1 changed files with 13 additions and 0 deletions
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13
libs/wine/debug.c
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@ -26,6 +26,9 @@
#include <stdarg.h>
#include <string.h>
#include <ctype.h>
#ifdef HAVE_SYS_STAT_H
# include <sys/stat.h>
#endif
#include "wine/debug.h"
#include "wine/library.h"
@ -186,9 +189,19 @@ static void debug_usage(void)
static void debug_init(void)
{
char *wine_debug;
struct stat st1, st2;
if (nb_debug_options != -1) return; /* already initialized */
nb_debug_options = 0;
/* check for stderr pointing to /dev/null */
if (!fstat( 2, &st1 ) && S_ISCHR(st1.st_mode) &&
!stat( "/dev/null", &st2 ) && S_ISCHR(st2.st_mode) &&
st1.st_rdev == st2.st_rdev)
{
default_flags = 0;
return;
}
if ((wine_debug = getenv("WINEDEBUG")))
{
if (!strcmp( wine_debug, "help" )) debug_usage();