use libc memory allocation functions

4 files changed, 14 insertions, 10 deletions

diff --git a/libmsi/msipriv.h b/libmsi/msipriv.h
index 8f98cdb..aff1951 100644
--- a/libmsi/msipriv.h
+++ b/libmsi/msipriv.h
@@ -521,30 +521,32 @@ static const WCHAR szInstallLocation[] = {'I','n','s','t','a','l','l','L','o','c
 static void *msi_alloc( size_t len ) __WINE_ALLOC_SIZE(1);
 static inline void *msi_alloc( size_t len )
 {
-    return HeapAlloc( GetProcessHeap(), 0, len );
+    return malloc(len);
 }
 
 static void *msi_alloc_zero( size_t len ) __WINE_ALLOC_SIZE(1);
 static inline void *msi_alloc_zero( size_t len )
 {
-    return HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, len );
+    return calloc(len, 1);
 }
 
 static void *msi_realloc( void *mem, size_t len ) __WINE_ALLOC_SIZE(2);
 static inline void *msi_realloc( void *mem, size_t len )
 {
-    return HeapReAlloc( GetProcessHeap(), 0, mem, len );
+    return realloc(mem, len);
 }
 
-static void *msi_realloc_zero( void *mem, size_t len ) __WINE_ALLOC_SIZE(2);
-static inline void *msi_realloc_zero( void *mem, size_t len )
+static void *msi_realloc_zero( void *mem, size_t oldlen, size_t len ) __WINE_ALLOC_SIZE(3);
+static inline void *msi_realloc_zero( void *mem, size_t oldlen, size_t len )
 {
-    return HeapReAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, mem, len );
+    mem = realloc( mem, len );
+    memset(mem + oldlen, 0, len - oldlen);
+    return mem;
 }
 
 static inline bool msi_free( void *mem )
 {
-    return HeapFree( GetProcessHeap(), 0, mem );
+    free(mem);
 }
 
 static inline char *strdupWtoA( const WCHAR *str )
diff --git a/libmsi/streams.c b/libmsi/streams.c
index dabfef5..2f0d4ec 100644
--- a/libmsi/streams.c
+++ b/libmsi/streams.c
@@ -56,8 +56,9 @@ static bool streams_set_table_size(LibmsiStreamSVIEW *sv, unsigned size)
 {
     if (size >= sv->max_streams)
     {
+        sv->streams = msi_realloc_zero(sv->streams, sv->max_streams * sizeof(STREAM *),
+                                       sv->max_streams * 2 * sizeof(STREAM *));
         sv->max_streams *= 2;
-        sv->streams = msi_realloc_zero(sv->streams, sv->max_streams * sizeof(STREAM *));
         if (!sv->streams)
             return false;
     }
diff --git a/libmsi/string.c b/libmsi/string.c
index 39071e4..3b8c6ec 100644
--- a/libmsi/string.c
+++ b/libmsi/string.c
@@ -138,7 +138,7 @@ static int st_find_free_entry( string_table *st )
 
     /* dynamically resize */
     sz = st->maxcount + 1 + st->maxcount/2;
-    p = msi_realloc_zero( st->strings, sz * sizeof(struct msistring) );
+    p = msi_realloc_zero( st->strings, st->maxcount * sizeof(struct msistring), sz * sizeof(struct msistring) );
     if( !p )
         return -1;
 
diff --git a/libmsi/where.c b/libmsi/where.c
index 2c10d18..87f9b07 100644
--- a/libmsi/where.c
+++ b/libmsi/where.c
@@ -130,7 +130,8 @@ static unsigned add_row(LibmsiWhereView *wv, unsigned vals[])
         LibmsiRowEntry **new_reorder;
         unsigned newsize = wv->reorder_size * 2;
 
-        new_reorder = msi_realloc_zero(wv->reorder, sizeof(LibmsiRowEntry *) * newsize);
+        new_reorder = msi_realloc_zero(wv->reorder, sizeof(LibmsiRowEntry *) * wv->reorder_size,
+                                       sizeof(LibmsiRowEntry *) * newsize);
         if (!new_reorder)
             return ERROR_OUTOFMEMORY;