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* [gcc(refs/users/pheeck/heads/sccp)] libcpp/remap: Only override if string matched
@ 2023-02-15 10:16 Filip Kastl
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From: Filip Kastl @ 2023-02-15 10:16 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:93022729bb73c47a219b4351614e76f3bf0d93a5
commit 93022729bb73c47a219b4351614e76f3bf0d93a5
Author: Torbjörn SVENSSON <torbjorn.svensson@foss.st.com>
Date: Thu Oct 20 22:38:57 2022 +0200
libcpp/remap: Only override if string matched
For systems with HAVE_DOS_BASED_FILE_SYSTEM set, only override the
pointer if the backslash pattern matches.
Output without this patch:
.../gcc/testsuite/gcc.dg/cpp/pr71681-2.c:5:10: fatal error: a/t2.h: No such file or directory
With patch applied, no output and the test case succeeds.
libcpp/ChangeLog
* files.cc: Ensure pattern matches before use.
Signed-off-by: Torbjörn SVENSSON <torbjorn.svensson@foss.st.com>
Diff:
---
libcpp/files.cc | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libcpp/files.cc b/libcpp/files.cc
index 24208f7b0f8..a18b1caf48d 100644
--- a/libcpp/files.cc
+++ b/libcpp/files.cc
@@ -1833,7 +1833,7 @@ remap_filename (cpp_reader *pfile, _cpp_file *file)
#ifdef HAVE_DOS_BASED_FILE_SYSTEM
{
const char *p2 = strchr (fname, '\\');
- if (!p || (p > p2))
+ if (!p || (p2 && p > p2))
p = p2;
}
#endif
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