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authorRoland McGrath <roland@gnu.org>1995-10-17 00:41:39 +0000
committerRoland McGrath <roland@gnu.org>1995-10-17 00:41:39 +0000
commitdeab9deadc372fe1a367aef2e78c0d8f2885bf23 (patch)
tree367eaf76a86934f3883f950da5719ca581185ca5 /stdio-common/bug7.c
parent10fd03c6014206b3775be893727f282c4c709ebf (diff)
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* Makefile (subdirs): Replace stdio with stdio-common and $(stdio).
* configure.in: Grok arg --enable-libio. ($stdio = libio): Define USE_IN_LIBIO. * config.h.in (USE_IN_LIBIO): Add #undef. * config.make.in (stdio): New variable, set by configure. * Makeconfig (stdio): New variable. * stdio.h [USE_IN_LIBIO]: Include libio/stdio.h instead of stdio/stdio.h. * stdio-common/Makefile: New file. * stdio/Makefile: Half the contents moved to stdio-common/Makefile. * stdio/_itoa.c: Moved to stdio-common. * stdio/_itoa.h: Moved to stdio-common. * stdio/asprintf.c: Moved to stdio-common. * stdio/bug1.c: Moved to stdio-common. * stdio/bug1.input: Moved to stdio-common. * stdio/bug2.c: Moved to stdio-common. * stdio/bug3.c: Moved to stdio-common. * stdio/bug4.c: Moved to stdio-common. * stdio/bug5.c: Moved to stdio-common. * stdio/bug6.c: Moved to stdio-common. * stdio/bug6.input: Moved to stdio-common. * stdio/bug7.c: Moved to stdio-common. * stdio/dprintf.c: Moved to stdio-common. * stdio/errnobug.c: Moved to stdio-common. * stdio/getline.c: Moved to stdio-common. * stdio/getw.c: Moved to stdio-common. * stdio/perror.c: Moved to stdio-common. * stdio/printf-parse.h: Moved to stdio-common. * stdio/printf-prs.c: Moved to stdio-common. * stdio/printf.c: Moved to stdio-common. * stdio/printf.h: Moved to stdio-common. * stdio/printf_fp.c: Moved to stdio-common. * stdio/psignal.c: Moved to stdio-common. * stdio/putw.c: Moved to stdio-common. * stdio/reg-printf.c: Moved to stdio-common. * stdio/scanf.c: Moved to stdio-common. * stdio/snprintf.c: Moved to stdio-common. * stdio/sprintf.c: Moved to stdio-common. * stdio/sscanf.c: Moved to stdio-common. * stdio/tempnam.c: Moved to stdio-common. * stdio/temptest.c: Moved to stdio-common. * stdio/test-fseek.c: Moved to stdio-common. * stdio/test-fwrite.c: Moved to stdio-common. * stdio/test-popen.c: Moved to stdio-common. * stdio/test_rdwr.c: Moved to stdio-common. * stdio/tmpfile.c: Moved to stdio-common. * stdio/tmpnam.c: Moved to stdio-common. * stdio/tst-fileno.c: Moved to stdio-common. * stdio/tst-printf.c: Moved to stdio-common. * stdio/tstgetln.c: Moved to stdio-common. * stdio/tstgetln.input: Moved to stdio-common. * stdio/tstscanf.c: Moved to stdio-common. * stdio/tstscanf.input: Moved to stdio-common. * stdio/vfprintf.c: Moved to stdio-common. * stdio/vfscanf.c: Moved to stdio-common. * stdio/vprintf.c: Moved to stdio-common. * stdio/xbug.c: Moved to stdio-common. * sysdeps/generic/Makefile (siglist.c rules): Do this in subdir stdio-common instead of stdio. * sysdeps/unix/Makefile (errlist.c rules): Likewise. * stdio-common/asprintf.c [USE_IN_LIBIO]: Call libio primitive function. * stdio-common/dprintf.c: Likewise. * stdio-common/printf.c: Likewise. * stdio-common/scanf.c: Likewise. * stdio-common/snprintf.c: Likewise. * stdio-common/sprintf.c: Likewise. * stdio-common/sscanf.c: Likewise. * stdio-common/vprintf.c: Likewise. * Makerules: Include $(+depfiles) directly instead of generating depend-$(subdir). (depend-$(subdir)): Target removed. (common-clean): Don't remove depend-$(subdir).
Diffstat (limited to 'stdio-common/bug7.c')
-rw-r--r--stdio-common/bug7.c53
1 files changed, 53 insertions, 0 deletions
diff --git a/stdio-common/bug7.c b/stdio-common/bug7.c
new file mode 100644
index 0000000000..af06f8d6a5
--- /dev/null
+++ b/stdio-common/bug7.c
@@ -0,0 +1,53 @@
+/* Regression test for fseek and freopen bugs. */
+
+#include <stdio.h>
+
+int
+main ()
+{
+ int lose = 0;
+ char filename[] = "/tmp/foo";
+ FILE *fp;
+
+ fp = fopen (filename, "w+");
+ fprintf (fp, "Hello world!\n");
+ fflush (fp);
+ fseek (fp, 5L, SEEK_SET);
+ if (fseek (fp, -1L, SEEK_CUR) < 0)
+ {
+ printf ("seek failed\n");
+ lose = 1;
+ }
+ fclose (fp);
+ remove (filename);
+
+ {
+ FILE *file1;
+ FILE *file2;
+ char filename1[] = "/tmp/foo";
+ char filename2[] = "/tmp/bar";
+ int ch;
+
+ file1 = fopen (filename1, "w");
+ fclose (file1);
+
+ file2 = fopen (filename2, "w");
+ fputc ('x', file2);
+ fclose (file2);
+
+ file1 = fopen (filename1, "r");
+ file2 = freopen (filename2, "r", file1);
+ if ((ch = fgetc (file2)) != 'x')
+ {
+ printf ("wrong character in reopened file, value = %d\n", ch);
+ lose = 1;
+ }
+ fclose (file1);
+ fclose (file2);
+ remove (filename1);
+ remove (filename2);
+ }
+
+ puts (lose ? "Test FAILED!" : "Test succeeded.");
+ return lose;
+}