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Fix a potential problem in the BFD library when accessing the Windows' nul device driver.

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PR 29947
	* bfdio.c (_bfd_real_fopen): Do not add a prefix to the Windows'
	nul device filename.
This commit is contained in:
Himal
2023-01-03 12:07:16 +00:00
committed by Nick Clifton
parent e8b4b7b258
commit a8cf07d37b
2 changed files with 11 additions and 0 deletions
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6
bfd/ChangeLog
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@@ -1,3 +1,9 @@
2023-01-03 Himal <himalr@proton.me>
PR 29947
* bfdio.c (_bfd_real_fopen): Do not add a prefix to the Windows'
nul device filename.
2023-01-03 Nick Clifton <nickc@redhat.com>
* po/fr.po: Updated French trabslation.

5
bfd/bfdio.c
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@@ -154,6 +154,11 @@ _bfd_real_fopen (const char *filename, const char *modes)
wcscpy (fullPath, prefix);
int prefixLen = sizeof(prefix) / sizeof(wchar_t);
/* Do not add a prefix to the null device. */
if (stricmp (filename, "nul") == 0)
prefixLen = 1;
wchar_t * fullPathOffset = fullPath + prefixLen - 1;
GetFullPathNameW (partPath, fullPathWSize, fullPathOffset, lpFilePart);