glibc/glibc-RHEL-172710-2.patch
2026-06-22 13:49:01 +00:00

81 lines
2.7 KiB
Diff

commit b866ef29773b22a1343ff9084374775114350b78
Author: Maciej W. Rozycki <macro@redhat.com>
Date: Wed May 27 12:57:10 2026 -0400
support: Implement 'xfmemopen' for seamless 'fmemopen' use
Add 'xfmemopen' wrapper for seamless 'fmemopen' use in tests, following
'xfopen', 'xfclose', etc., and providing a standardized error reporting
facility.
Reviewed-by: Florian Weimer <fweimer@redhat.com>
(cherry picked from commit fe709cc24578ecfd2ff5b07e10e3829fcb55075b)
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Conflicts:
support/Makefile
(usual test differences)
support/xstdio.h
(adjust for downstream context difference)
diff -Nrup a/support/Makefile b/support/Makefile
--- a/support/Makefile 2026-06-16 10:34:13.241874132 -0400
+++ b/support/Makefile 2026-06-16 10:37:06.085172353 -0400
@@ -135,6 +135,7 @@ libsupport-routines = \
xfchmod \
xfclose \
xfdopendir \
+ xfmemopen \
xfopen \
xfork \
xfread \
diff --git a/support/xfmemopen.c b/support/xfmemopen.c
new file mode 100644
index 0000000000..f1dbc72c67
--- /dev/null
+++ b/support/xfmemopen.c
@@ -0,0 +1,31 @@
+/* fmemopen with error checking.
+ Copyright (C) 2025 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <https://www.gnu.org/licenses/>. */
+
+#include <support/xstdio.h>
+
+#include <support/check.h>
+#include <stdlib.h>
+
+FILE *
+xfmemopen (void *mem, size_t len, const char *mode)
+{
+ FILE *fp = fmemopen (mem, len, mode);
+ if (fp == NULL)
+ FAIL_EXIT1 ("fmemopen (mode \"%s\"): %m", mode);
+ return fp;
+}
diff -Nrup a/support/xstdio.h b/support/xstdio.h
--- a/support/xstdio.h 2026-06-16 10:34:10.450856660 -0400
+++ b/support/xstdio.h 2026-06-16 10:39:05.792825780 -0400
@@ -26,6 +26,7 @@ __BEGIN_DECLS
FILE *xfopen (const char *path, const char *mode);
void xfclose (FILE *);
+FILE *xfmemopen (void *mem, size_t len, const char *mode);
void xfread (void *ptr, size_t size, size_t nmemb, FILE *stream);
/* Read a line from FP, using getline. *BUFFER must be NULL, or a