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author | Vincent Sanders <vince@netsurf-browser.org> | 2010-03-31 19:14:01 +0000 |
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committer | Vincent Sanders <vince@netsurf-browser.org> | 2010-03-31 19:14:01 +0000 |
commit | 0194e4bb55ca90f447344403ed01fea5a7a3fed6 (patch) | |
tree | 2af7c53e85e3a41c57d17d73ba3aaf05f2d3348b | |
parent | 7e551cf94f8ca395e8d5b0fba5e1ab963fc3f7d5 (diff) | |
download | netsurf-0194e4bb55ca90f447344403ed01fea5a7a3fed6.tar.gz netsurf-0194e4bb55ca90f447344403ed01fea5a7a3fed6.tar.bz2 |
avoid diviosion by zero errors;
svn path=/trunk/netsurf/; revision=10223
-rw-r--r-- | framebuffer/gui.c | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/framebuffer/gui.c b/framebuffer/gui.c index 62ca77131..8d2759d84 100644 --- a/framebuffer/gui.c +++ b/framebuffer/gui.c @@ -1174,15 +1174,20 @@ void gui_window_get_dimensions(struct gui_window *g, int *width, int *height, void gui_window_update_extent(struct gui_window *gw) { int pct; + int width; + int height; - pct = (fbtk_get_width(gw->browser) * 100) / - content_get_width(gw->bw->current_content); - fbtk_set_scroll(gw->hscroll, pct); - - pct = (fbtk_get_height(gw->browser) * 100) / - content_get_height(gw->bw->current_content); - fbtk_set_scroll(gw->vscroll, pct); + width = content_get_width(gw->bw->current_content); + if (width != 0) { + pct = (fbtk_get_width(gw->browser) * 100) / width; + fbtk_set_scroll(gw->hscroll, pct); + } + height = content_get_height(gw->bw->current_content); + if (height != 0) { + pct = (fbtk_get_height(gw->browser) * 100) / height; + fbtk_set_scroll(gw->vscroll, pct); + } } void gui_window_set_status(struct gui_window *g, const char *text) |