glibc/stdio-common/tst-fdopen.c
Andreas Jaeger 8430ab40fb Update.
2002-03-24  Andreas Jaeger  <aj@suse.de>

	* manual/memory.texi (Aligned Memory Blocks): Fix typo.

	* stdio-common/tst-fdopen.c (main): Remove unused variable.

	* iconv/tst-iconv3.c (main): Use correct printf strings.
2002-03-24 13:03:01 +00:00

50 lines
926 B
C

/* Test for fdopen bugs. */
#include <stdio.h>
#include <unistd.h>
#include <fcntl.h>
#define assert(x) \
if (!(x)) \
{ \
fputs ("test failed: " #x "\n", stderr); \
retval = 1; \
goto the_end; \
}
char buffer[256];
int
main (int argc, char *argv[])
{
char *name;
FILE *fp = NULL;
int retval = 0;
int fd;
name = tmpnam (NULL);
fp = fopen (name, "w");
assert (fp != NULL)
fputs ("foobar and baz", fp);
fclose (fp);
fp = NULL;
fd = open (name, O_RDONLY);
assert (fd != -1);
assert (lseek (fd, 5, SEEK_SET) == 5);
/* The file position indicator associated with the new stream is set to
the position indicated by the file offset associated with the file
descriptor. */
fp = fdopen (fd, "r");
assert (fp != NULL);
assert (getc (fp) == 'r');
assert (getc (fp) == ' ');
the_end:
if (fp != NULL)
fclose (fp);
unlink (name);
return retval;
}