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void-packages/srcpkgs/glibc/patches/glibc-upstream-54.patch
maxice8 7c00d2d7ca glibc: sync patches with upstream
2019-01-05 04:11:25 -02:00

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From 4718b053dfef495a4d5189e4210bc66106873522 Mon Sep 17 00:00:00 2001
From: Florian Weimer <fweimer@redhat.com>
Date: Tue, 27 Nov 2018 21:35:56 +0100
Subject: [PATCH 53] support: Implement support_quote_string
Reviewed-by: Jonathan Nieder <jrnieder@gmail.com>
(cherry picked from commit c74a91deaa5de416237c02bbb3e41bda76ca4c7b)
---
ChangeLog | 9 +++++
support/Makefile | 2 +
support/support.h | 5 +++
support/support_quote_string.c | 26 +++++++++++++
support/tst-support_quote_string.c | 60 ++++++++++++++++++++++++++++++
5 files changed, 102 insertions(+)
create mode 100644 support/support_quote_string.c
create mode 100644 support/tst-support_quote_string.c
diff --git a/ChangeLog b/ChangeLog
index 67213d487f..aaeb1fc706 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,12 @@
+2018-11-27 Florian Weimer <fweimer@redhat.com>
+
+ * support/support.h (support_quote_string): Declare.
+ * support/support_quote_string.c: New file.
+ * support/tst-support_quote_string.c: Likewise.
+ * support/Makefile (libsupport-routines): Add
+ support_quote_string.
+ (tests): Add tst-support_quote_string.
+
2018-12-10 Florian Weimer <fweimer@redhat.com>
[BZ #23972]
diff --git a/support/Makefile b/support/Makefile
index 50470fb749..6439d18343 100644
--- a/support/Makefile
+++ b/support/Makefile
@@ -55,6 +55,7 @@ libsupport-routines = \
support_isolate_in_subprocess \
support_openpty \
support_quote_blob \
+ support_quote_string \
support_record_failure \
support_run_diff \
support_shared_allocate \
@@ -159,6 +160,7 @@ tests = \
tst-support_capture_subprocess \
tst-support_format_dns_packet \
tst-support_quote_blob \
+ tst-support_quote_string \
tst-support_record_failure \
tst-test_compare \
tst-test_compare_blob \
diff --git a/support/support.h b/support/support.h
index b61fe0735c..4d9f7528a6 100644
--- a/support/support.h
+++ b/support/support.h
@@ -65,6 +65,11 @@ void support_write_file_string (const char *path, const char *contents);
the result). */
char *support_quote_blob (const void *blob, size_t length);
+/* Quote the contents of the at STR, in such a way that the result
+ string can be included in a C literal (in single/double quotes,
+ without putting the quotes into the result). */
+char *support_quote_string (const char *str);
+
/* Error-checking wrapper functions which terminate the process on
error. */
diff --git a/support/support_quote_string.c b/support/support_quote_string.c
new file mode 100644
index 0000000000..d324371b13
--- /dev/null
+++ b/support/support_quote_string.c
@@ -0,0 +1,26 @@
+/* Quote a string so that it can be used in C literals.
+ Copyright (C) 2018 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
+ <http://www.gnu.org/licenses/>. */
+
+#include <string.h>
+#include <support/support.h>
+
+char *
+support_quote_string (const char *str)
+{
+ return support_quote_blob (str, strlen (str));
+}
diff --git a/support/tst-support_quote_string.c b/support/tst-support_quote_string.c
new file mode 100644
index 0000000000..3c004759b7
--- /dev/null
+++ b/support/tst-support_quote_string.c
@@ -0,0 +1,60 @@
+/* Test the support_quote_string function.
+ Copyright (C) 2018 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
+ <http://www.gnu.org/licenses/>. */
+
+#include <support/check.h>
+#include <support/support.h>
+#include <string.h>
+#include <stdlib.h>
+
+static int
+do_test (void)
+{
+ char *p = support_quote_string ("");
+ TEST_COMPARE (strlen (p), 0);
+ free (p);
+ p = support_quote_string ("X");
+ TEST_COMPARE (strlen (p), 1);
+ TEST_COMPARE (p[0], 'X');
+ free (p);
+
+ /* Check escaping of backslash-escaped characters, and lack of
+ escaping for other shell meta-characters. */
+ p = support_quote_string ("$()*?`@[]{}~\'\"X");
+ TEST_COMPARE (strcmp (p, "$()*?`@[]{}~\\'\\\"X"), 0);
+ free (p);
+
+ /* Check lack of escaping for letters and digits. */
+#define LETTERS_AND_DIGTS \
+ "abcdefghijklmnopqrstuvwxyz" \
+ "ABCDEFGHIJKLMNOPQRSTUVWXYZ" \
+ "0123456789"
+ p = support_quote_string (LETTERS_AND_DIGTS "@");
+ TEST_COMPARE (strcmp (p, LETTERS_AND_DIGTS "@"), 0);
+ free (p);
+
+ /* Check escaping of control characters and other non-printable
+ characters. */
+ p = support_quote_string ("\r\n\t\a\b\f\v\1\177\200\377@");
+ TEST_COMPARE (strcmp (p, "\\r\\n\\t\\a\\b\\f\\v\\001"
+ "\\177\\200\\377@"), 0);
+ free (p);
+
+ return 0;
+}
+
+#include <support/test-driver.c>
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