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/* Test for fdopen bugs. */
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
#define assert(x) \
if (!(x)) \
{ \
fputs ("test failed: " #x "\n", stderr); \
retval = 1; \
goto the_end; \
}
int
main (int argc, char *argv[])
{
char name[256];
FILE *fp = NULL;
int retval = 0;
int fd;
/* hack to get a tempfile name w/out using tmpname()
* as that func causes a link time warning */
sprintf(name, "%s-uClibc-test.XXXXXX", __FILE__);
fd = mkstemp(name);
close(fd);
fp = fopen (name, "w");
assert (fp != NULL)
fputs ("foobar and baz", fp);
fclose (fp);
fp = NULL;
fd = open (name, O_RDWR|O_CREAT);
assert (fd != -1);
assert (lseek (fd, 5, SEEK_SET) == 5);
fp = fdopen (fd, "a");
assert (fp != NULL);
/* SuSv3 says that doing a fdopen() does not reset the file position,
* thus the '5' here is correct, not '14'. */
assert (ftell (fp) == 5);
the_end:
if (fp != NULL)
fclose (fp);
unlink (name);
return retval;
}
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