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authorUlrich Drepper <drepper@redhat.com>2002-02-26 05:23:31 +0000
committerUlrich Drepper <drepper@redhat.com>2002-02-26 05:23:31 +0000
commitb39d571990557cc5ab855794ff0d4d7876f4596b (patch)
treef5f6918e0520a86a5576cc393c39fabb1cb4e0eb /stdio-common/tst-ungetc.c
parent77fe0b9cd86ccba7349921082d886cbca613404c (diff)
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Update.
2002-02-25 Jakub Jelinek <jakub@redhat.com> * libio/iofopen.c (__fopen_maybe_mmap): Set the initial position to fp->_offset if it is set. * stdio-common/Makefile (tests): Add tst-fdopen. * stdio-common/tst-fdopen.c: New test. 2002-02-25 Jakub Jelinek <jakub@redhat.com> * libio/fileops.c (_IO_file_xsgetn_mmap): Handle reading from backup. * stdio-common/tst-ungetc.c (main): Add another test.
Diffstat (limited to 'stdio-common/tst-ungetc.c')
-rw-r--r--stdio-common/tst-ungetc.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/stdio-common/tst-ungetc.c b/stdio-common/tst-ungetc.c
index 08819b7..2cadf1c 100644
--- a/stdio-common/tst-ungetc.c
+++ b/stdio-common/tst-ungetc.c
@@ -18,6 +18,7 @@ main (int argc, char *argv[])
FILE *fp = NULL;
int retval = 0;
int c;
+ char buffer[64];
name = tmpnam (NULL);
fp = fopen (name, "w");
@@ -40,6 +41,17 @@ main (int argc, char *argv[])
assert (feof (fp) == 0);
assert (getc (fp) == c);
assert (getc (fp) == EOF);
+ fclose (fp);
+ fp = NULL;
+
+ fp = fopen (name, "r");
+ assert (fp != NULL);
+ assert (getc (fp) == 'b');
+ assert (getc (fp) == 'l');
+ assert (ungetc ('b', fp) == 'b');
+ assert (fread (buffer, 1, 64, fp) == 2);
+ assert (buffer[0] == 'b');
+ assert (buffer[1] == 'a');
the_end:
if (fp != NULL)