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-rw-r--r--stdio-common/Makefile3
-rw-r--r--stdio-common/test-vfprintf.c125
2 files changed, 127 insertions, 1 deletions
diff --git a/stdio-common/Makefile b/stdio-common/Makefile
index 48364d0123..8e9fe2e91c 100644
--- a/stdio-common/Makefile
+++ b/stdio-common/Makefile
@@ -55,7 +55,7 @@ tests := tstscanf test_rdwr test-popen tstgetln test-fseek \
tfformat tiformat tllformat tstdiomisc tst-printfsz tst-wc-printf \
scanf1 scanf2 scanf3 scanf4 scanf5 scanf7 scanf8 scanf9 scanf10 \
scanf12 tst-tmpnam tst-cookie tst-obprintf tst-sscanf tst-swprintf \
- tst-fseek tst-fmemopen
+ tst-fseek tst-fmemopen test-vfprintf
test-srcs = tst-unbputc tst-printf
@@ -83,6 +83,7 @@ CFLAGS-tst-printfsz.c = -Wno-format
tst-sscanf-ENV = LOCPATH=$(common-objpfx)localedata
tst-swprintf-ENV = LOCPATH=$(common-objpfx)localedata
+test-vfprintf-ENV = LOCPATH=$(common-objpfx)localedata
$(inst_includedir)/bits/stdio_lim.h: $(common-objpfx)bits/stdio_lim.h
$(do-install)
diff --git a/stdio-common/test-vfprintf.c b/stdio-common/test-vfprintf.c
new file mode 100644
index 0000000000..41b3452759
--- /dev/null
+++ b/stdio-common/test-vfprintf.c
@@ -0,0 +1,125 @@
+/* Tests of *printf for very large strings.
+ Copyright (C) 2000 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 2000.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <locale.h>
+#include <mcheck.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/stat.h>
+
+
+const char *locs[] =
+{
+ "C", "de_DE.ISO-8859-1", "de_DE.UTF-8", "ja_JP.EUC-JP"
+};
+#define nlocs (sizeof (locs) / sizeof (locs[0]))
+
+
+char large[50000];
+
+int
+main (void)
+{
+ char buf[20];
+ int i;
+ int res = 0;
+ int fd;
+
+ mtrace ();
+
+ strcpy (buf, "test-vfprintfXXXXXX");
+ fd = mkstemp (buf);
+ if (fd == -1)
+ {
+ printf ("cannot open temporary file: %m\n");
+ exit (1);
+ }
+ unlink (buf);
+
+ for (i = 0; i < nlocs; ++i)
+ {
+ FILE *fp;
+ struct stat st;
+ int fd2;
+
+ setlocale (LC_ALL, locs[i]);
+
+ memset (large, '\1', sizeof (large));
+ large[sizeof (large) - 1] = '\0';
+
+ fd2 = dup (fd);
+ if (fd2 == -1)
+ {
+ printf ("cannot dup for locale %s: %m\n",
+ setlocale (LC_ALL, NULL));
+ exit (1);
+ }
+
+ if (ftruncate (fd2, 0) != 0)
+ {
+ printf ("cannot truncate file for locale %s: %m\n",
+ setlocale (LC_ALL, NULL));
+ exit (1);
+ }
+
+ fp = fdopen (fd2, "a");
+ if (fp == NULL)
+ {
+ printf ("cannot create FILE for locale %s: %m\n",
+ setlocale (LC_ALL, NULL));
+ exit (1);
+ }
+
+ fprintf (fp, "%s", large);
+ fprintf (fp, "%.*s", 30000, large);
+ large[20000] = '\0';
+ fprintf (fp, large);
+
+ if (fflush (fp) != 0 || ferror (fp) != 0 || fclose (fp) != 0)
+ {
+ printf ("write error for locale %s: %m\n",
+ setlocale (LC_ALL, NULL));
+ exit (1);
+ }
+
+ if (fstat (fd, &st) != 0)
+ {
+ printf ("cannot stat for locale %s: %m\n",
+ setlocale (LC_ALL, NULL));
+ exit (1);
+ }
+ else if (st.st_size != 99999)
+ {
+ printf ("file size incorrect for locale %s: %jd instead of %jd\n",
+ setlocale (LC_ALL, NULL),
+ (intmax_t) st.st_size, (intmax_t) 99999);
+ res = 1;
+ }
+ else
+ printf ("locale %s OK\n", setlocale (LC_ALL, NULL));
+ }
+
+ close (fd);
+
+ return res;
+}