mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-11 18:43:32 +08:00
9c38a68999
2000-07-20 Ulrich Drepper <drepper@redhat.com> * libio/Makefile (tests): Add tst_wprintf2. (tst_wprintf2-ARGS): Define. * libio/tst_wprintf2.c: New file. Based on a test case by Yoshito Kawada <KAWADA@jp.ibm.com>. * libio/wfiledoalloc.c: Only allocate external buffer if this hasn't happened yet. * libio/wfileops.c (_IO_wdo_write): Overflow only if there is really something in the buffer. gconv call can write up to end of the buffer, not only _IO_write_end. (_IO_wfile_overflow): Allocate also external buffer. * stdio-common/vfprintf.c (process_string_arg): Handle multibyte strings with precision in vfwprintf correctly. * stdio-common/vfprintf.c: Fix completely broken handling of unbuffered wide character streams. Reported by Yoshito Kawada <KAWADA@jp.ibm.com>.
105 lines
2.4 KiB
C
105 lines
2.4 KiB
C
/* Test case by Yoshito Kawada <KAWADA@jp.ibm.com>. */
|
|
#include <errno.h>
|
|
#include <error.h>
|
|
#include <fcntl.h>
|
|
#include <locale.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
#include <wchar.h>
|
|
|
|
int
|
|
main (int argc, char *argv[])
|
|
{
|
|
int a = 3;
|
|
int fd;
|
|
char name[] = "/tmp/wprintf.out.XXXXXX";
|
|
FILE *fp;
|
|
char buf[100];
|
|
size_t len;
|
|
int res = 0;
|
|
|
|
fd = mkstemp (name);
|
|
if (fd == -1)
|
|
error (EXIT_FAILURE, errno, "cannot open temporary file");
|
|
|
|
unlink (name);
|
|
|
|
setlocale (LC_ALL, "");
|
|
|
|
fp = fdopen (dup (fd), "w");
|
|
if (fp == NULL)
|
|
error (EXIT_FAILURE, errno, "fdopen(,\"w\")");
|
|
|
|
fwprintf (fp, L"test start");
|
|
fwprintf (fp, L" int %d\n", a);
|
|
|
|
/* String with precision. */
|
|
fwprintf (fp, L"1[%6.3s]\n", argv[1]);
|
|
|
|
fclose (fp);
|
|
|
|
fp = fdopen (dup (fd), "a");
|
|
if (fp == NULL)
|
|
error (EXIT_FAILURE, errno, "fdopen(,\"a\")");
|
|
|
|
setvbuf (fp, NULL, _IONBF, 0);
|
|
|
|
/* fwprintf to unbuffered stream. */
|
|
fwprintf (fp, L"hello.\n");
|
|
|
|
fclose (fp);
|
|
|
|
|
|
/* Now read it back in. This time using multibyte functions. */
|
|
lseek (fd, SEEK_SET, 0);
|
|
fp = fdopen (fd, "r");
|
|
if (fp == NULL)
|
|
error (EXIT_FAILURE, errno, "fdopen(,\"r\")");
|
|
|
|
if (fgets (buf, sizeof buf, fp) != buf)
|
|
error (EXIT_FAILURE, errno, "first fgets");
|
|
len = strlen (buf);
|
|
if (buf[len - 1] == '\n')
|
|
--len;
|
|
else
|
|
{
|
|
puts ("newline missing after first line");
|
|
res = 1;
|
|
}
|
|
printf ("1st line: \"%.*s\" -> %s\n", (int) len, buf,
|
|
strncmp (buf, "test start int 3", len) == 0 ? "OK" : "FAIL");
|
|
res |= strncmp (buf, "test start int 3", len) != 0;
|
|
|
|
if (fgets (buf, sizeof buf, fp) != buf)
|
|
error (EXIT_FAILURE, errno, "second fgets");
|
|
len = strlen (buf);
|
|
if (buf[len - 1] == '\n')
|
|
--len;
|
|
else
|
|
{
|
|
puts ("newline missing after second line");
|
|
res = 1;
|
|
}
|
|
printf ("2nd line: \"%.*s\" -> %s\n", (int) len, buf,
|
|
strncmp (buf, "1[ Som]", len) == 0 ? "OK" : "FAIL");
|
|
res |= strncmp (buf, "1[ Som]", len) != 0;
|
|
|
|
if (fgets (buf, sizeof buf, fp) != buf)
|
|
error (EXIT_FAILURE, errno, "third fgets");
|
|
len = strlen (buf);
|
|
if (buf[len - 1] == '\n')
|
|
--len;
|
|
else
|
|
{
|
|
puts ("newline missing after third line");
|
|
res = 1;
|
|
}
|
|
printf ("3rd line: \"%.*s\" -> %s\n", (int) len, buf,
|
|
strncmp (buf, "hello.", len) == 0 ? "OK" : "FAIL");
|
|
res |= strncmp (buf, "hello.", len) != 0;
|
|
|
|
return res;
|
|
}
|