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author | Vincent Sanders <vince@netsurf-browser.org> | 2012-10-25 11:12:41 +0100 |
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committer | Vincent Sanders <vince@netsurf-browser.org> | 2012-10-25 11:12:41 +0100 |
commit | baf50cec89d10055217a3bb210d389694fb1d389 (patch) | |
tree | 98ba96f23f98ceecaf02fbc2e016b297a50c9a25 /image/bmp.c | |
parent | 0b7db9b47adaf56ae937415040cf585a07eaf8cb (diff) | |
download | netsurf-baf50cec89d10055217a3bb210d389694fb1d389.tar.gz netsurf-baf50cec89d10055217a3bb210d389694fb1d389.tar.bz2 |
make image content handlers title setting use the heap instead of the stack and remove the possibility of buffer overruns
Diffstat (limited to 'image/bmp.c')
-rw-r--r-- | image/bmp.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/image/bmp.c b/image/bmp.c index 5af042d3e..946bca83b 100644 --- a/image/bmp.c +++ b/image/bmp.c @@ -132,7 +132,7 @@ static bool nsbmp_convert(struct content *c) uint32_t swidth; const char *data; unsigned long size; - char title[512]; + char *title; /* set the bmp data */ data = content__get_source_data(c, &size); @@ -156,15 +156,19 @@ static bool nsbmp_convert(struct content *c) /* Store our content width and description */ c->width = bmp->bmp->width; c->height = bmp->bmp->height; - LOG(("BMP width %u height %u", c->width, c->height)); - snprintf(title, sizeof(title), messages_get("BMPTitle"), - nsurl_access_leaf(llcache_handle_get_url(c->llcache)), - c->width, c->height); - content__set_title(c, title); swidth = bmp->bmp->bitmap_callbacks.bitmap_get_bpp(bmp->bmp->bitmap) * bmp->bmp->width; c->size += (swidth * bmp->bmp->height) + 16 + 44; + /* set title text */ + title = messages_get_buff("BMPTitle", + nsurl_access_leaf(llcache_handle_get_url(c->llcache)), + c->width, c->height); + if (title != NULL) { + content__set_title(c, title); + free(title); + } + /* exit as a success */ bmp->bitmap = bmp->bmp->bitmap; bitmap_modified(bmp->bitmap); |