From 28f540f45bbacd939bfd07f213bcad2bf730b1bf Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Sat, 18 Feb 1995 01:27:10 +0000 Subject: initial import --- stdio/bug7.c | 53 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 53 insertions(+) create mode 100644 stdio/bug7.c (limited to 'stdio/bug7.c') diff --git a/stdio/bug7.c b/stdio/bug7.c new file mode 100644 index 0000000000..af06f8d6a5 --- /dev/null +++ b/stdio/bug7.c @@ -0,0 +1,53 @@ +/* Regression test for fseek and freopen bugs. */ + +#include + +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; +} -- cgit v1.2.3