Alexander Puzankov : winmm: Fixed boundary condition in mmioOpen file name parsing.
Alexandre Julliard
julliard at winehq.org
Sun Dec 5 12:10:10 CST 2010
Module: wine
Branch: master
Commit: 4431c32c91206040d59d3eb82a971245594d1243
URL: http://source.winehq.org/git/wine.git/?a=commit;h=4431c32c91206040d59d3eb82a971245594d1243
Author: Alexander Puzankov <alxpnv at gmail.com>
Date: Sun Dec 5 17:24:59 2010 +0300
winmm: Fixed boundary condition in mmioOpen file name parsing.
---
dlls/winmm/mmio.c | 10 +++++-----
1 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/dlls/winmm/mmio.c b/dlls/winmm/mmio.c
index 2e414ba..6ac295e 100644
--- a/dlls/winmm/mmio.c
+++ b/dlls/winmm/mmio.c
@@ -399,13 +399,13 @@ static FOURCC MMIO_ParseExtA(LPCSTR szFileName)
} else {
/* Find the first '.' before '+' */
extStart = extEnd - 1;
- while (*extStart != '.') {
- if (extStart == szFileName) {
- ERR("No extension in szFileName: %s\n", debugstr_a(szFileName));
- return ret;
- }
+ while (extStart >= szFileName && *extStart != '.') {
extStart--;
}
+ if (extStart < szFileName) {
+ ERR("No extension in szFileName: %s\n", debugstr_a(szFileName));
+ return ret;
+ }
}
if (extEnd - extStart - 1 > 4)
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