https://bugs.exim.org/show_bug.cgi?id=2603
Git Commit <g...@exim.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |g...@exim.org
--- Comment #4 from Git Commit <g...@exim.org> ---
Git commit:
https://git.exim.org/exim.git/commitdiff/80c2ec2e47c556daff00c79ee068ce68f25fd264
commit 80c2ec2e47c556daff00c79ee068ce68f25fd264
Author: Jeremy Harris <jgh146...@wizmail.org>
AuthorDate: Sat Jun 20 00:54:05 2020 +0100
Commit: Jeremy Harris <jgh146...@wizmail.org>
CommitDate: Sat Jun 20 01:05:08 2020 +0100
Fix string_copy() macro to not multiple-eval args. Bug 2603
Broken-by: a76d120aed
---
doc/doc-txt/ChangeLog | 6 ++++++
src/src/functions.h | 4 ++--
2 files changed, 8 insertions(+), 2 deletions(-)
diff --git a/doc/doc-txt/ChangeLog b/doc/doc-txt/ChangeLog
index 0354ff2..717e0d2 100644
--- a/doc/doc-txt/ChangeLog
+++ b/doc/doc-txt/ChangeLog
@@ -49,6 +49,12 @@ JH/09 Relax restrictions on ACL verify condition needing
access to message
permit also mime, dkim, prdr quit and notquit. Applies to
header-syntax,
not_blind, header_sender and header_names_ascii verification.
+JH/10 Bug 2603: Fix coding of string copying to only evaluate arguments once.
+ Previously a macro used one argument twice; when called with the
+ argument as an expression having side-effects, incorrect operation
+ resulted. Use an inlineable function.
+
+
Exim version 4.94
-----------------
diff --git a/src/src/functions.h b/src/src/functions.h
index 1f0c30d..110d4db 100644
--- a/src/src/functions.h
+++ b/src/src/functions.h
@@ -772,9 +772,9 @@ string_copy_trc(const uschar * s, const char * func, int
line)
/* Simple string-copy functions maintaining the taint */
#define string_copyn(s, len) \
- string_copyn_taint_trc((s), (len), is_tainted(s), __FUNCTION__, __LINE__)
+ string_copyn_trc((s), (len), __FUNCTION__, __LINE__)
#define string_copy(s) \
- string_copy_taint_trc((s), is_tainted(s), __FUNCTION__, __LINE__)
+ string_copy_trc((s), __FUNCTION__, __LINE__)
/*************************************************
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