fdo-mirrors/cairo
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/cairo/cairo.git synced 2026-05-16 11:58:14 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

Minor changes

Browse source
This commit is contained in:
Ceyhun Alp 2020-11-16 14:17:31 +00:00
parent bc846b39a8
commit f574bf756e
3 changed files with 25 additions and 9 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

17
fuzzing/pdf_surface_fuzzer.c
View file

@ -21,14 +21,19 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
return 0;
}
flags = CAIRO_PDF_OUTLINE_FLAG_BOLD | CAIRO_PDF_OUTLINE_FLAG_OPEN;
cairo_pdf_surface_set_page_label(surface, data);
cairo_pdf_surface_set_metadata(surface, CAIRO_PDF_METADATA_TITLE, data);
cairo_tag_begin(cr, data, NULL);
cairo_tag_end(cr, data);
char *buf = (char *) malloc(size + 1);
memcpy(buf, data, size);
buf[size] = '\0';
cairo_surface_destroy(surface);
flags = CAIRO_PDF_OUTLINE_FLAG_BOLD | CAIRO_PDF_OUTLINE_FLAG_OPEN;
cairo_pdf_surface_set_metadata(surface, CAIRO_PDF_METADATA_TITLE, buf);
cr = cairo_create(surface);
cairo_tag_begin(cr, buf, NULL);
cairo_tag_end(cr, buf);
free(buf);
cairo_destroy(cr);
cairo_surface_destroy(surface);
fuzzer_release_tmpfile(tmpfile);
return 0;
}

8
fuzzing/raster_fuzzer.c
View file

@ -39,14 +39,20 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
w = cairo_image_surface_get_width(surface);
h = cairo_image_surface_get_height(surface);
pattern = cairo_pattern_create_raster_source(data, content, w, h);
char *buf = (char *) malloc(size + 1);
memcpy(buf, data, size);
buf[size] = '\0';
pattern = cairo_pattern_create_raster_source(buf, content, w, h);
cairo_raster_source_pattern_set_acquire (pattern, acquire, release);
cairo_set_source(cr, pattern);
cairo_pdf_surface_set_page_label(surface, buf);
cairo_paint(cr);
cairo_destroy(cr);
cairo_pattern_destroy(pattern);
cairo_surface_destroy(surface);
free(buf);
fuzzer_release_tmpfile(tmpfile);
return 0;
}

9
fuzzing/text_glyphs_fuzzer.c
View file

@ -25,8 +25,12 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
return 0;
}
char *buf = (char *) malloc(size + 1);
memcpy(buf, data, size);
buf[size] = '\0';
cr = cairo_create(surface);
cairo_text_extents(cr, data, &extents);
cairo_text_extents(cr, buf, &extents);
cluster.num_bytes = size;
cluster.num_glyphs = 1;
for (int i = 0; i < 9; i++) {
@ -34,11 +38,12 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
cairo_glyph_t glyph = {
index[i], 10 * i, 25
};
cairo_show_text_glyphs(cr, data, size, &glyph, 1, &cluster, 1, 0);
cairo_show_text_glyphs(cr, buf, size, &glyph, 1, &cluster, 1, 0);
}
cairo_destroy(cr);
cairo_surface_destroy(surface);
free(buf);
fuzzer_release_tmpfile(tmpfile);
return 0;
}