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gdk: Fix possible memory errors

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clang complained that we may end up jumping
to the cleanup code without initializing data
in the jpeg code. Always initialize data to
NULL to prevent that eventuality.
This commit is contained in:
Matthias Clasen 2022-11-17 23:51:28 -05:00
parent 95fc5109bb
commit 8c1a041104
1 changed files with 3 additions and 2 deletions
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5
gdk/loaders/gdkjpeg.c
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@ -141,7 +141,7 @@ gdk_load_jpeg (GBytes *input_bytes,
struct jpeg_decompress_struct info;
struct error_handler_data jerr;
guint width, height, stride;
unsigned char *data;
unsigned char *data = NULL;
unsigned char *row[1];
GBytes *bytes;
GdkTexture *texture;
@ -155,6 +155,7 @@ gdk_load_jpeg (GBytes *input_bytes,
if (sigsetjmp (jerr.setjmp_buffer, 1))
{
g_free (data);
jpeg_destroy_decompress (&info);
return NULL;
}
@ -247,7 +248,7 @@ gdk_save_jpeg (GdkTexture *texture)
struct jpeg_compress_struct info;
struct error_handler_data jerr;
struct jpeg_error_mgr err;
guchar *data;
guchar *data = NULL;
gulong size = 0;
guchar *input = NULL;
GdkMemoryTexture *memtex = NULL;