kaguya
50 lines
996 B
C
50 lines
996 B
C
#include <assert.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
|
|
#ifdef USE_HOST_LIBC
|
|
#define TEST_FILE "freopen-host-libc.tmp"
|
|
#else
|
|
#define TEST_FILE "freopen.tmp"
|
|
#endif
|
|
|
|
int main() {
|
|
FILE *file = fopen(TEST_FILE, "w");
|
|
assert(file);
|
|
|
|
assert(freopen("/dev/null", "w", file));
|
|
|
|
char str[] = "mlibc freopen test";
|
|
fwrite(str, 1, sizeof(str) - 1, file);
|
|
fflush(file);
|
|
fclose(file);
|
|
|
|
file = fopen(TEST_FILE, "r");
|
|
assert(file);
|
|
|
|
char buf[sizeof(str)];
|
|
memset(buf, 0, sizeof(buf));
|
|
int ret = fread(buf, 1, sizeof(buf) - 1, file);
|
|
fprintf(stderr, "ret %d\n", ret);
|
|
assert(ret == 0);
|
|
fclose(file);
|
|
|
|
file = fopen("/dev/null", "w");
|
|
assert(file);
|
|
|
|
assert(freopen(TEST_FILE, "w", file));
|
|
fwrite(str, 1, sizeof(str) - 1, file);
|
|
fflush(file);
|
|
fclose(file);
|
|
|
|
memset(buf, 0, sizeof(buf));
|
|
file = fopen(TEST_FILE, "r");
|
|
assert(fread(buf, 1, sizeof(buf) - 1, file));
|
|
|
|
fprintf(stderr, "buffer content '%s'\n", buf);
|
|
assert(!strcmp(buf, "mlibc freopen test"));
|
|
fclose(file);
|
|
|
|
return 0;
|
|
}
|