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win32: Add missing function setenv

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Mingw32 does not provide a declaration and implementation of function
setenv (which is used in sdl.c), so this patch adds both.

Signed-off-by: Stefan Weil <weil@mail.berlios.de>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Stefan Weil 2010-07-01 00:47:49 +00:00 committed by Blue Swirl
parent 3dcbf8f9ca
commit 0a1574bb13
2 changed files with 17 additions and 0 deletions
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15
os-win32.c
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@ -33,6 +33,21 @@
#include "sysemu.h"
#include "qemu-options.h"
/***********************************************************/
/* Functions missing in mingw */
int setenv(const char *name, const char *value, int overwrite)
{
int result = 0;
if (overwrite || !getenv(name)) {
size_t length = strlen(name) + strlen(value) + 2;
char *string = qemu_malloc(length);
snprintf(string, length, "%s=%s", name, value);
result = putenv(string);
}
return result;
}
/***********************************************************/
/* Polling handling */

2
osdep.h
View File

@ -95,6 +95,8 @@ int qemu_create_pidfile(const char *filename);
#ifdef _WIN32
int ffs(int i);
int setenv(const char *name, const char *value, int overwrite);
typedef struct {
long tv_sec;
long tv_usec;