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/*------------------------------------------------------------------
* test_fscanf_s
* File 'io/fscanf_s.c'
* Lines executed:86.96% of 23
*
*------------------------------------------------------------------
*/
#include "test_private.h"
#include "safe_str_lib.h"
#include <stdio.h>
#include <stdarg.h>
#include <unistd.h>
#ifdef HAVE_FSCANF_S
#define HAVE_NATIVE 1
#else
#define HAVE_NATIVE 0
#endif
#include "test_msvcrt.h"
#define LEN (128)
static char str1[LEN];
static char str2[LEN];
#define TMP "tmpscanf"
static FILE *stream = NULL;
void stuff_stream(const char *dest);
int test_fscanf_s(void);
void stuff_stream(const char *dest) {
if (!stream)
stream = fopen(TMP, "w+");
else
rewind(stream);
fprintf(stream, "%s\n", dest);
rewind(stream);
}
int test_fscanf_s(void) {
errno_t rc;
int32_t ind;
int i1;
size_t len1;
size_t len2;
size_t len3;
int errs = 0;
/*--------------------------------------------------*/
print_msvcrt(use_msvcrt);
#ifndef HAVE_CT_BOS_OVR
EXPECT_BOS("empty stream")
GCC_DIAG_IGNORE(-Wformat-zero-length)
rc = fscanf_s(NULL, "");
GCC_DIAG_RESTORE
init_msvcrt(errno == ESNULLP, &use_msvcrt);
ERREOF_MSVC(ESNULLP, EINVAL);
stuff_stream("1");
EXPECT_BOS("empty fmt")
rc = fscanf_s(stream, NULL);
ERREOF_MSVC(ESNULLP, EINVAL);
#endif
/* TODO: should error */
#if 0
stuff_stream("1");
rc = fscanf_s(stream, "%s", NULL);
ERREOF_MSVC(ESNULLP,EINVAL);
#endif
/*--------------------------------------------------*/
stuff_stream(" 24");
GCC_DIAG_IGNORE(-Wformat-extra-args)
rc = fscanf_s(stream, "%s %%n", str2, LEN);
GCC_DIAG_RESTORE
#ifdef BSD_LIKE
if (rc != -1) { /* BSD's return -1 on %%n */
printf("%s %u wrong fscanf(\"\",L\"%%n\"): %d\n", __FUNCTION__,
__LINE__, (int)rc);
}
#else
if (rc != 1) {
printf("flapping tests - abort\n");
return errs;
}
ERR(1);
ERRNO(0);
#endif
stuff_stream(" 24");
rc = fscanf_s(stream, " %d", &i1);
ERR(1);
ERRNO(0);
if (i1 != 24) {
debug_printf("%s %u wrong arg: %d\n", __FUNCTION__, __LINE__,
i1);
errs++;
}
/*--------------------------------------------------*/
strcpy(str1, "aaaaaaaaaa");
stuff_stream(str1);
GCC_DIAG_IGNORE(-Wformat-extra-args)
rc = fscanf_s(stream, "%s", str2, LEN);
GCC_DIAG_RESTORE
if (rc != 1) {
printf("flapping tests - abort\n");
return errs;
}
ERR(1)
len2 = strlen(str2);
len3 = strlen(str1);
if (len3 != len2) {
#ifdef DEBUG
len1 = strlen(str1);
#endif
debug_printf("%s %u lengths wrong: %d %d %d \n", __FUNCTION__,
__LINE__, (int)len1, (int)len2, (int)len3);
errs++;
}
/*--------------------------------------------------*/
stuff_stream("keep it simple");
GCC_DIAG_IGNORE(-Wformat-extra-args)
rc = fscanf_s(stream, "%s", str2, LEN);
GCC_DIAG_RESTORE
ERR(1);
EXPSTR(str2, "keep");
/*--------------------------------------------------*/
strcpy(str1, "qqweqq");
stuff_stream(str1);
rc = fscanf_s(stream, "%s", str2);
NOERR();
EXPSTR(str2, str1);
/*--------------------------------------------------*/
/* overlapping works fine on darwin, different on linux glibc */
/*
strcpy(str1, "12345678901234567890");
rc = fscanf_s(stream, "%s", &str1[7]);
ERR(1);
EXPSTR(str1, "123456712345678901234567890");
strcpy(str1, "123456789");
rc = fscanf_s(stream, "%s", &str1[8]);
ERR(1);
EXPSTR(str1, "12345678123456789");
*/
/*--------------------------------------------------*/
stuff_stream(" 24");
GCC_DIAG_IGNORE(-Wformat)
GCC_DIAG_IGNORE(-Wformat-extra-args)
rc = fscanf_s(stream, "%s %n", str2, LEN, &ind);
GCC_DIAG_RESTORE
ERREOF(EINVAL);
/*--------------------------------------------------*/
str1[0] = '\0';
stuff_stream(str1);
GCC_DIAG_IGNORE(-Wformat-extra-args)
rc = fscanf_s(stream, "%s", str2, LEN);
GCC_DIAG_RESTORE
if (rc != 1) {
printf("flapping tests - abort\n");
return errs;
}
ERR(1); /* unspecified behaviour */
/*EXPNULL(str2) TODO. Got "eep" */
/*--------------------------------------------------*/
fclose(stream);
#if 0
strcpy(str1, "qqweqq");
stuff_stream(str1);
/* would block reading */
rc = fscanf_s(stream, "%s", str2, LEN);
#endif
/*--------------------------------------------------*/
unlink(TMP);
return (errs);
}
int main(void) { return (test_fscanf_s()); }
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