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[Emacs-diffs] master 86c3cd9: Avoid compiler warning in w32proc.c
From: |
Eli Zaretskii |
Subject: |
[Emacs-diffs] master 86c3cd9: Avoid compiler warning in w32proc.c |
Date: |
Sat, 23 Mar 2019 04:31:58 -0400 (EDT) |
branch: master
commit 86c3cd99bff27e35e25dec0ee3f0dc4536b171ea
Author: Eli Zaretskii <address@hidden>
Commit: Eli Zaretskii <address@hidden>
Avoid compiler warning in w32proc.c
* src/w32proc.c (w32_executable_type): Avoid compiler warnings
about potential NULL pointer dereferencing.
---
src/w32proc.c | 19 ++++++++++++-------
1 file changed, 12 insertions(+), 7 deletions(-)
diff --git a/src/w32proc.c b/src/w32proc.c
index 8e878e6..75e345a 100644
--- a/src/w32proc.c
+++ b/src/w32proc.c
@@ -1776,22 +1776,27 @@ w32_executable_type (char * filename,
if (data_dir)
{
/* Look for Cygwin DLL in the DLL import list. */
- IMAGE_DATA_DIRECTORY import_dir =
- data_dir[IMAGE_DIRECTORY_ENTRY_IMPORT];
+ IMAGE_DATA_DIRECTORY import_dir
+ = data_dir[IMAGE_DIRECTORY_ENTRY_IMPORT];
/* Import directory can be missing in .NET DLLs. */
if (import_dir.VirtualAddress != 0)
{
+ IMAGE_SECTION_HEADER *section
+ = rva_to_section (import_dir.VirtualAddress, nt_header);
+ if (!section)
+ emacs_abort ();
+
IMAGE_IMPORT_DESCRIPTOR * imports =
- RVA_TO_PTR (import_dir.VirtualAddress,
- rva_to_section (import_dir.VirtualAddress,
- nt_header),
+ RVA_TO_PTR (import_dir.VirtualAddress, section,
executable);
for ( ; imports->Name; imports++)
{
- IMAGE_SECTION_HEADER * section =
- rva_to_section (imports->Name, nt_header);
+ section = rva_to_section (imports->Name, nt_header);
+ if (!section)
+ emacs_abort ();
+
char * dllname = RVA_TO_PTR (imports->Name, section,
executable);
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