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-rw-r--r--ChangeLog3
-rw-r--r--libio/fileops.c11
2 files changed, 14 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog
index eb67f1d..caa5a5a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,8 @@
1999-08-18 Ulrich Drepper <drepper@cygnus.com>
+ * libio/fileops.c (_IO_file_xsgetn): Allocate buffer if none is
+ allocated so far. [PR libc/1261].
+
* math/libm-test.c (j0_test): Adjust deltas for m68k.
(jn_test): Likewise.
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;