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authorUlrich Drepper <drepper@redhat.com>1999-08-18 23:05:23 +0000
committerUlrich Drepper <drepper@redhat.com>1999-08-18 23:05:23 +0000
commit310f95183a026af2d7854f830b185116aa770852 (patch)
tree9751c39191ff0e39e277afe15f66e4682073bd9d /libio/fileops.c
parente62ee1e44e4d60562ba2b7d7a2ff0556c46df2b2 (diff)
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Update.
* libio/fileops.c (_IO_file_xsgetn): Allocate buffer if none is allocated so far. [PR libc/1261].
Diffstat (limited to 'libio/fileops.c')
-rw-r--r--libio/fileops.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/libio/fileops.c b/libio/fileops.c
index decb9d7..7c6e271 100644
--- a/libio/fileops.c
+++ b/libio/fileops.c
@@ -849,6 +849,17 @@ _IO_file_xsgetn (fp, data, n)
want = n;
+ if (fp->_IO_buf_base == NULL)
+ {
+ /* Maybe we already have a push back pointer. */
+ if (fp->_IO_save_base != NULL)
+ {
+ free (fp->_IO_save_base);
+ fp->_flags &= ~_IO_IN_BACKUP;
+ }
+ _IO_doallocbuf (fp);
+ }
+
while (want > 0)
{
have = fp->_IO_read_end - fp->_IO_read_ptr;