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Windows: Add various checks to address Coverity reported issues.

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This commit is contained in:
Mounir IDRASSI
2022-03-26 20:03:19 +01:00
parent a0809fe85c
commit 762065917f
11 changed files with 105 additions and 28 deletions
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10
src/Common/Dlgcode.c
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@@ -611,6 +611,7 @@ char *LoadFile (const wchar_t *fileName, DWORD *size)
char *buf;
DWORD fileSize = INVALID_FILE_SIZE;
HANDLE h = CreateFile (fileName, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, 0, NULL);
*size = 0;
if (h == INVALID_HANDLE_VALUE)
return NULL;
@@ -620,8 +621,7 @@ char *LoadFile (const wchar_t *fileName, DWORD *size)
return NULL;
}
*size = fileSize;
buf = (char *) calloc (*size + 1, 1);
buf = (char *) calloc (fileSize + 1, 1);
if (buf == NULL)
{
@@ -629,11 +629,15 @@ char *LoadFile (const wchar_t *fileName, DWORD *size)
return NULL;
}
if (!ReadFile (h, buf, *size, size, NULL))
if (!ReadFile (h, buf, fileSize, size, NULL))
{
free (buf);
buf = NULL;
}
else
{
buf[*size] = 0; //make coverity happy eventhough buf is guaranteed to be null terminated because of fileSize+1 in calloc call
}
CloseHandle (h);
return buf;