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Avoid a crash in advapi32/test_sha_ctx.c test if required entry points 

are missing.
This commit is contained in:
Dmitry Timoshkov 2004-10-04 19:31:17 +00:00 committed by Alexandre Julliard
parent 20546c84bb
commit 964422524c
1 changed files with 11 additions and 15 deletions
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26
dlls/advapi32/tests/crypt_sha.c
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@ -18,13 +18,14 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <stdio.h>
#include <stdarg.h>
#include "wine/test.h"
#include "windef.h"
#include "winbase.h"
#include "winerror.h"
#include "wine/test.h"
typedef struct {
ULONG Unknown[6];
ULONG State[5];
@ -32,19 +33,12 @@ typedef struct {
UCHAR Buffer[64];
} SHA_CTX, *PSHA_CTX;
typedef VOID (WINAPI *fnA_SHAInit)(PSHA_CTX Context);
typedef VOID (WINAPI *fnA_SHAUpdate)(PSHA_CTX Context, PCHAR Buffer, UINT BufferSize);
typedef VOID (WINAPI *fnA_SHAFinal)(PSHA_CTX Context, PULONG Result);
fnA_SHAInit pA_SHAInit;
fnA_SHAUpdate pA_SHAUpdate;
fnA_SHAFinal pA_SHAFinal;
#define ctxcmp(a,b) memcmp((char*)a, (char*)b, FIELD_OFFSET(SHA_CTX, Buffer))
void test_sha_ctx()
static void test_sha_ctx(void)
{
PCHAR test_buffer = "In our Life there's If"
FARPROC pA_SHAInit, pA_SHAUpdate, pA_SHAFinal;
static const char test_buffer[] = "In our Life there's If"
"In our beliefs there's Lie"
"In our business there is Sin"
"In our bodies, there is Die";
@ -58,9 +52,11 @@ void test_sha_ctx()
ULONG result_correct[5] = {0xe014f93, 0xe09791ec, 0x6dcf96c8, 0x8e9385fc, 0x1611c1bb};
hmod = LoadLibrary("advapi32.dll");
pA_SHAInit = (fnA_SHAInit)GetProcAddress(hmod, "A_SHAInit");
pA_SHAUpdate = (fnA_SHAUpdate)GetProcAddress(hmod, "A_SHAUpdate");
pA_SHAFinal = (fnA_SHAFinal)GetProcAddress(hmod, "A_SHAFinal");
pA_SHAInit = GetProcAddress(hmod, "A_SHAInit");
pA_SHAUpdate = GetProcAddress(hmod, "A_SHAUpdate");
pA_SHAFinal = GetProcAddress(hmod, "A_SHAFinal");
if (!pA_SHAInit || !pA_SHAUpdate || !pA_SHAFinal) return;
RtlZeroMemory(&ctx, sizeof(ctx));
pA_SHAInit(&ctx);