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/*------------------------------------------------------------------
* test_fwscanf_s
* File 'wchar/fwscanf_s.c'
* Lines executed:86.96% of 23
*
*------------------------------------------------------------------
*/
#include "test_private.h"
#include "safe_str_lib.h"
#include "safe_lib.h"
#include <stdio.h>
#include <stdarg.h>
#include <unistd.h>
/*
#ifndef _WIN32
#define USE_PIPE
#endif
*/
#ifdef HAVE_FWSCANF_S
#define HAVE_NATIVE 1
#else
#define HAVE_NATIVE 0
#endif
#include "test_msvcrt.h"
#define LEN (128)
static wchar_t wstr1[LEN];
static wchar_t wstr2[LEN];
static char str3[LEN];
#define TMP "tmpfwscanf"
static FILE *stream = NULL;
void win_stuff_stream(const wchar_t *dest);
int test_fwscanf_s(void);
void win_stuff_stream(const wchar_t *dest) {
if (!stream)
stream = fopen(TMP, "w+");
else
rewind(stream);
fwprintf(stream, L"%ls\n", dest);
rewind(stream);
}
#ifndef USE_PIPE
#define stuff_stream(s) \
wcscpy(wstr1, s); \
len1 = wcslen(s); \
win_stuff_stream(s);
#else
#define stuff_stream(s) \
wcscpy(wstr1, s); \
len1 = wcslen(s); \
write(p[1], (s), sizeof(s) - 1); \
write(p[1], L"\n", sizeof(L"\n") - 1);
#endif
int test_fwscanf_s(void) {
errno_t rc;
int32_t ind;
size_t len1;
size_t len2;
size_t len3;
int num = 0;
int errs = 0;
#ifdef USE_PIPE
int p[2];
#endif
/*--------------------------------------------------*/
print_msvcrt(use_msvcrt);
/* This pipe does not work on windows */
#ifdef USE_PIPE
if (pipe(p)) {
printf("Failed to create pipe()\n");
return 1;
}
stream = fdopen(p[0], "rb");
if (!stream) {
printf("Failed to fdopen pipe[0]\n");
close(p[0]);
close(p[1]);
return 1;
}
#endif
stuff_stream(L"a");
wstr2[0] = '\0';
#ifndef HAVE_CT_BOS_OVR
EXPECT_BOS("empty stream")
rc = fwscanf_s(NULL, L"%ls", wstr2);
init_msvcrt(errno == ESNULLP, &use_msvcrt);
ERR(EOF);
ERRNO_MSVC(ESNULLP, EINVAL);
WEXPSTR(wstr2, L"");
EXPECT_BOS("empty fmt")
rc = fwscanf_s(stream, NULL, NULL);
ERREOF(ESNULLP);
#endif
/* SEGV
rc = fwscanf_s(stream, L"%ls", NULL);
ERREOF(ESNULLP);
*/
/* inconsistent:
rc = fwscanf_s(stream, L"", NULL);
ERR(-1); or 0
*/
/*--------------------------------------------------*/
stuff_stream(L" 24");
rc = fwscanf_s(stream, L"%ls %n", wstr2, LEN, &ind);
ERREOF(EINVAL);
stuff_stream(L" 24");
rc = fwscanf_s(stream, L"%ls %%n", wstr2);
#ifdef BSD_LIKE
if (rc != 0) { /* BSD's return -1 on %%n */
printf("%s %u wrong fwscanf(\"\",L\"%%n\"): %d\n", __FUNCTION__,
__LINE__, (int)rc);
} else
#endif
ERR(1);
ERRNO(0);
stuff_stream(L" 24");
rc = fwscanf_s(stream, L"%ls %%n", wstr2, LEN);
ERR(1);
ERRNO(0);
stuff_stream(L" 24");
rc = fwscanf_s(stream, L"%s %%n", str3, LEN);
ERR(1);
ERRNO(0);
#if !defined(_WIN32) || defined(HAVE_MINGW64)
EXPSTR(str3, "24");
#else
EXPSTR(str3, "2");
#endif
stuff_stream(L" 24");
rc = fwscanf_s(stream, L" %d", &num);
ERR(1);
ERRNO(0);
if (num != 24) {
debug_printf("%s %u wrong arg: %d\n", __FUNCTION__, __LINE__, num);
errs++;
}
/*--------------------------------------------------*/
stuff_stream(L"aaaaaaaaaa");
rc = fwscanf_s(stream, L"%ls", wstr2, LEN);
ERR(1)
len2 = wcslen(wstr2);
len3 = wcslen(wstr1);
if (len3 != len2) {
debug_printf("%s %u lengths wrong: %d %d %d \n", __FUNCTION__,
__LINE__, (int)len1, (int)len2, (int)len3);
errs++;
}
/*--------------------------------------------------*/
stuff_stream(L"keep it simple");
rc = fwscanf_s(stream, L"%ls", wstr2, LEN);
ERR(1);
WEXPSTR(wstr1, L"keep it simple")
/*--------------------------------------------------*/
stuff_stream(L"qqweqq");
rc = fwscanf_s(stream, L"%ls", wstr2);
NOERR()
WEXPSTR(wstr2, wstr1);
/*--------------------------------------------------*/
wstr1[0] = L'\0';
stuff_stream(L"");
rc = fwscanf_s(stream, L"%ls", wstr2, LEN);
ERR(1);
/*WEXPNULL(str2) TODO. Got "eep" */
/*--------------------------------------------------*/
/* overlapping works fine on darwin, different on linux glibc */
/*
wcscpy(wstr1, L"12345678901234567890");
rc = fwscanf_s(stream, L"%ls", &wstr1[7]);
ERR(1);
WEXPSTR(wstr1, L"123456712345678901234567890");
wcscpy(wstr1, L"123456789");
rc = fwscanf_s(stream, L"%ls", &wstr1[8]);
ERR(1);
WEXPSTR(wstr1, L"12345678123456789");
*/
/*--------------------------------------------------*/
/* TODO: we want to test a vfwscanf error propagated through vfwscanf_s.
The only error is EOF(stream), but this is blocking.
Reading from a closed stream is platform dependent.
*/
fclose(stream);
#ifdef USE_PIPE
close(p[1]);
#endif
#if 0
wcscpy(wstr1, L"qqweqq");
stuff_stream(L"qqweqq");
rc = fwscanf_s(stream, L"%ls", wstr2, LEN);
#if defined(__GLIBC__)
if (rc < 0) {
ERR(-1);
ERRNO(EBADF);
} else { /* TODO: reads from closed pipe */
ERR(14); /* older glibc upstream bug */
ERRNO(0);
}
#elif defined __CYGWIN__
ERR(1);
#else
ERR(-1);
#endif
/*WEXPNULL(wstr2); TODO zero the output args */
#endif
/*--------------------------------------------------*/
unlink(TMP);
return (errs);
}
#ifndef __KERNEL__
/* simple hack to get this to work for both userspace and Linux kernel,
until a better solution can be created. */
int main(void) { return (test_fwscanf_s()); }
#endif
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