Paul Vriens : kernel32/profile: Add a few NULL checks (Coverity).

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 4a431afd6914b47c5aefe188ed42b89159e984f6
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=4a431afd6914b47c5aefe188ed42b89159e984f6

Author: Paul Vriens <paul.vriens.wine at gmail.com>
Date:   Tue Mar 27 22:08:14 2007 +0200

kernel32/profile: Add a few NULL checks (Coverity).

---

 dlls/kernel32/profile.c |   19 +++++++++++++++----
 1 files changed, 15 insertions(+), 4 deletions(-)

diff --git a/dlls/kernel32/profile.c b/dlls/kernel32/profile.c
index 0abb887..27a3d06 100644
--- a/dlls/kernel32/profile.c
+++ b/dlls/kernel32/profile.c
@@ -1322,7 +1322,13 @@ UINT WINAPI GetPrivateProfileIntA( LPCSTR section, LPCSTR entry,
 INT WINAPI GetPrivateProfileSectionW( LPCWSTR section, LPWSTR buffer,
 				      DWORD len, LPCWSTR filename )
 {
-    int		ret = 0;
+    int ret = 0;
+
+    if (!section || !buffer)
+    {
+        SetLastError(ERROR_INVALID_PARAMETER);
+        return 0;
+    }
 
     TRACE("(%s, %p, %d, %s)\n", debugstr_w(section), buffer, len, debugstr_w(filename));
 
@@ -1346,9 +1352,14 @@ INT WINAPI GetPrivateProfileSectionA( LPCSTR section, LPSTR buffer,
     LPWSTR bufferW;
     INT retW, ret = 0;
 
-    bufferW = buffer ? HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR)) : NULL;
-    if (section) RtlCreateUnicodeStringFromAsciiz(&sectionW, section);
-    else sectionW.Buffer = NULL;
+    if (!section || !buffer)
+    {
+        SetLastError(ERROR_INVALID_PARAMETER);
+        return 0;
+    }
+
+    bufferW = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
+    RtlCreateUnicodeStringFromAsciiz(&sectionW, section);
     if (filename) RtlCreateUnicodeStringFromAsciiz(&filenameW, filename);
     else filenameW.Buffer = NULL;