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Always use strncmp() rather than memcmp() when comparing strings where one

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or other string might be less than the length parameter, since optimized
versions of memcmp() might read past the first difference and in so doing
generate an access violation.

FossilOrigin-Name: d73435587ba7459e2e2c32980d0e17abdeceb4bc
This commit is contained in:
drh
2013-03-01 01:07:17 +00:00
parent 016fff2b6e
commit 503a686e09
10 changed files with 29 additions and 29 deletions
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2
src/test_quota.c
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@@ -1295,7 +1295,7 @@ int sqlite3_quota_remove(const char *zFilename){
if( pGroup ){
for(pFile=pGroup->pFiles; pFile && rc==SQLITE_OK; pFile=pNextFile){
pNextFile = pFile->pNext;
diff = memcmp(zFull, pFile->zFilename, nFull);
diff = strncmp(zFull, pFile->zFilename, nFull);
if( diff==0 && ((c = pFile->zFilename[nFull])==0 || c=='/' || c=='\\') ){
if( pFile->nRef ){
pFile->deleteOnClose = 1;