From ec35e8112aa2f8255e4ba1ccf7d77ad275b91a95 Mon Sep 17 00:00:00 2001 From: Matthias Clasen Date: Wed, 27 Mar 2002 22:12:05 +0000 Subject: [PATCH] Don't leak info_ptr. * io-png.c (gdk_pixbuf__png_image_stop_load): Don't leak info_ptr. * io-png.c (gdk_pixbuf__png_image_load): Get rid of unused end_info. Also call png_read_end to check proper ending of the png file and catch text chunks after the image data. --- gdk-pixbuf/ChangeLog | 8 ++++++++ gdk-pixbuf/io-png.c | 19 +++++++------------ 2 files changed, 15 insertions(+), 12 deletions(-) diff --git a/gdk-pixbuf/ChangeLog b/gdk-pixbuf/ChangeLog index c7e368af0b..c8e6183bdd 100644 --- a/gdk-pixbuf/ChangeLog +++ b/gdk-pixbuf/ChangeLog @@ -1,3 +1,11 @@ +2002-03-27 Matthias Clasen + + * io-png.c (gdk_pixbuf__png_image_stop_load): Don't leak info_ptr. + + * io-png.c (gdk_pixbuf__png_image_load): Get rid of unused + end_info. Also call png_read_end to check proper ending of the png + file and catch text chunks after the image data. + 2002-03-27 Matthias Clasen * io-png.c (gdk_pixbuf__png_image_load, diff --git a/gdk-pixbuf/io-png.c b/gdk-pixbuf/io-png.c index 3038e74e28..66f99fdfe1 100644 --- a/gdk-pixbuf/io-png.c +++ b/gdk-pixbuf/io-png.c @@ -240,7 +240,7 @@ gdk_pixbuf__png_image_load (FILE *f, GError **error) { GdkPixbuf *pixbuf; png_structp png_ptr; - png_infop info_ptr, end_info; + png_infop info_ptr; png_textp text_ptr; gint i, ctype, bpp; png_uint_32 w, h; @@ -272,12 +272,6 @@ gdk_pixbuf__png_image_load (FILE *f, GError **error) return NULL; } - end_info = png_create_info_struct (png_ptr); - if (!end_info) { - png_destroy_read_struct (&png_ptr, &info_ptr, NULL); - return NULL; - } - if (setjmp (png_ptr->jmpbuf)) { if (rows) g_free (rows); @@ -285,7 +279,7 @@ gdk_pixbuf__png_image_load (FILE *f, GError **error) if (pixels) g_free (pixels); - png_destroy_read_struct (&png_ptr, &info_ptr, &end_info); + png_destroy_read_struct (&png_ptr, &info_ptr, NULL); return NULL; } @@ -293,7 +287,7 @@ gdk_pixbuf__png_image_load (FILE *f, GError **error) png_read_info (png_ptr, info_ptr); if (!setup_png_transformations(png_ptr, info_ptr, error, &w, &h, &ctype)) { - png_destroy_read_struct (&png_ptr, &info_ptr, &end_info); + png_destroy_read_struct (&png_ptr, &info_ptr, NULL); return NULL; } @@ -314,7 +308,7 @@ gdk_pixbuf__png_image_load (FILE *f, GError **error) _("Insufficient memory to load PNG file")); } - png_destroy_read_struct (&png_ptr, &info_ptr, &end_info); + png_destroy_read_struct (&png_ptr, &info_ptr, NULL); return NULL; } @@ -324,6 +318,7 @@ gdk_pixbuf__png_image_load (FILE *f, GError **error) rows[i] = pixels + i * w * bpp; png_read_image (png_ptr, rows); + png_read_end (png_ptr, info_ptr); if (png_get_text (png_ptr, info_ptr, &text_ptr, &num_texts)) { options = g_new (gchar *, num_texts * 2); @@ -333,7 +328,7 @@ gdk_pixbuf__png_image_load (FILE *f, GError **error) options + 2*i + 1); } } - png_destroy_read_struct (&png_ptr, &info_ptr, &end_info); + png_destroy_read_struct (&png_ptr, &info_ptr, NULL); g_free (rows); if (ctype & PNG_COLOR_MASK_ALPHA) @@ -511,7 +506,7 @@ gdk_pixbuf__png_image_stop_load (gpointer context, GError **error) if (lc->pixbuf) g_object_unref (lc->pixbuf); - png_destroy_read_struct(&lc->png_read_ptr, NULL, NULL); + png_destroy_read_struct(&lc->png_read_ptr, &lc->png_info_ptr, NULL); g_free(lc); return TRUE;