diff options
Diffstat (limited to 'media-libs/gdk-pixbuf/files/gdk-pixbuf-0.22.0-loaders.patch')
| -rw-r--r-- | media-libs/gdk-pixbuf/files/gdk-pixbuf-0.22.0-loaders.patch | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/media-libs/gdk-pixbuf/files/gdk-pixbuf-0.22.0-loaders.patch b/media-libs/gdk-pixbuf/files/gdk-pixbuf-0.22.0-loaders.patch new file mode 100644 index 0000000..0686538 --- /dev/null +++ b/media-libs/gdk-pixbuf/files/gdk-pixbuf-0.22.0-loaders.patch @@ -0,0 +1,134 @@ +diff -NurdB gdk-pixbuf-0.22.0/gdk-pixbuf/io-ico.c gdk-pixbuf-0.22.0-patched/gdk-pixbuf/io-ico.c +--- gdk-pixbuf-0.22.0/gdk-pixbuf/io-ico.c 2002-09-27 17:19:15.000000000 -0500 ++++ gdk-pixbuf-0.22.0-patched/gdk-pixbuf/io-ico.c 2005-10-27 11:28:23.000000000 -0500 +@@ -330,6 +330,9 @@ + + State->HeaderSize+=I; + ++ if (State->HeaderSize < 0) ++ return FALSE; ++ + if (State->HeaderSize>State->BytesInHeaderBuf) { + guchar *tmp=realloc(State->HeaderBuf,State->HeaderSize); + if (!tmp) +diff -NurdB gdk-pixbuf-0.22.0/gdk-pixbuf/io-xpm.c gdk-pixbuf-0.22.0-patched/gdk-pixbuf/io-xpm.c +--- gdk-pixbuf-0.22.0/gdk-pixbuf/io-xpm.c 2001-03-01 15:16:28.000000000 -0500 ++++ gdk-pixbuf-0.22.0-patched/gdk-pixbuf/io-xpm.c 2005-10-27 11:29:14.000000000 -0500 +@@ -243,8 +243,8 @@ + break; + else { + if (numnames > 0) { +- space -= 1; +- strcat (color, " "); ++ strncat (color, " ", space); ++ space -= MIN (space, 1); + } + + strncat (color, temp, space); +@@ -281,7 +281,8 @@ + /* Fall through to the xpm_read_string. */ + + case op_body: +- xpm_read_string (h->infile, &h->buffer, &h->buffer_size); ++ if(!xpm_read_string (h->infile, &h->buffer, &h->buffer_size)) ++ return NULL; + return h->buffer; + + default: +@@ -317,13 +318,6 @@ + return NULL; + } + +-/* Destroy notification function for the pixbuf */ +-static void +-free_buffer (guchar *pixels, gpointer data) +-{ +- free (pixels); +-} +- + static gboolean + xpm_color_parse (const char *spec, XColor *color) + { +@@ -342,7 +336,8 @@ + gchar pixel_str[32]; + GHashTable *color_hash; + _XPMColor *colors, *color, *fallbackcolor; +- guchar *pixels, *pixtmp; ++ guchar *pixtmp; ++ GdkPixbuf* pixbuf; + + fallbackcolor = NULL; + +@@ -352,16 +347,33 @@ + return NULL; + } + sscanf (buffer, "%d %d %d %d", &w, &h, &n_col, &cpp); +- if (cpp >= 32) { +- g_warning ("XPM has more than 31 chars per pixel."); ++ if (cpp <= 0 || cpp >= 32) { ++ g_warning ("XPM has invalid number of chars per pixel."); + return NULL; + } ++ if (n_col <= 0 || ++ n_col >= G_MAXINT / (cpp + 1) || ++ n_col >= G_MAXINT / sizeof (_XPMColor)) { ++ g_warning ("XPM file has invalid number of colors"); ++ return NULL; ++ } + + /* The hash is used for fast lookups of color from chars */ + color_hash = g_hash_table_new (g_str_hash, g_str_equal); + +- name_buf = g_new (gchar, n_col * (cpp + 1)); +- colors = g_new (_XPMColor, n_col); ++ name_buf = g_new (gchar, n_col * (cpp + 1)); ++ if (!name_buf) { ++ g_warning ("Cannot allocate memory for loading XPM image"); ++ g_hash_table_destroy (color_hash); ++ return NULL; ++ } ++ colors = g_new (_XPMColor, n_col); ++ if (!colors) { ++ g_warning ("Cannot allocate memory for loading XPM image"); ++ g_hash_table_destroy (color_hash); ++ g_free (name_buf); ++ return NULL; ++ } + + for (cnt = 0; cnt < n_col; cnt++) { + gchar *color_name; +@@ -397,12 +409,8 @@ + fallbackcolor = color; + } + +- if (is_trans) +- pixels = malloc (w * h * 4); +- else +- pixels = malloc (w * h * 3); +- +- if (!pixels) { ++ pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, is_trans, 8, w, h); ++ if (!pixbuf) { + g_hash_table_destroy (color_hash); + g_free (colors); + g_free (name_buf); +@@ -410,7 +418,7 @@ + } + + wbytes = w * cpp; +- pixtmp = pixels; ++ pixtmp = pixbuf->pixels; + + for (ycnt = 0; ycnt < h; ycnt++) { + buffer = (*get_buf) (op_body, handle); +@@ -443,9 +451,7 @@ + g_free (colors); + g_free (name_buf); + +- return gdk_pixbuf_new_from_data (pixels, GDK_COLORSPACE_RGB, is_trans, 8, +- w, h, is_trans ? (w * 4) : (w * 3), +- free_buffer, NULL); ++ return pixbuf; + } + + /* Shared library entry point for file loading */ |