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[fuzzer] minor

This commit is contained in:
Ebrahim Byagowi 2020-08-12 02:30:33 +04:30 committed by ebraminio
parent 0417938011
commit 057769b1a3
4 changed files with 11 additions and 13 deletions
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2
test/fuzzing/hb-draw-fuzzer.cc
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@ -113,7 +113,7 @@ static void misc_calls_for_gid (hb_face_t *face, hb_font_t *font, hb_set_t *set,
hb_ot_math_get_glyph_assembly (font, cp, HB_DIRECTION_BTT, 0, nullptr, nullptr, nullptr);
}
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
extern "C" int LLVMFuzzerTestOneInput (const uint8_t *data, size_t size)
{
alloc_state = size; /* see src/failing-alloc.c */

2
test/fuzzing/hb-fuzzer.hh
View File

@ -1,7 +1,7 @@
#include <hb.h>
#include <stddef.h>
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size);
extern "C" int LLVMFuzzerTestOneInput (const uint8_t *data, size_t size);
#if defined(__GNUC__) && (__GNUC__ >= 4) || (__clang__)
#define HB_UNUSED __attribute__((unused))

2
test/fuzzing/hb-shape-fuzzer.cc
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@ -9,7 +9,7 @@
#include "../api/test-ot-face.c"
#undef TEST_OT_FACE_NO_MAIN
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
extern "C" int LLVMFuzzerTestOneInput (const uint8_t *data, size_t size)
{
alloc_state = size; /* see src/failing-alloc.c */

18
test/fuzzing/hb-subset-fuzzer.cc
View File

@ -29,9 +29,7 @@ trySubset (hb_face_t *face,
}
for (int i = 0; i < text_length; i++)
{
hb_set_add (codepoints, text[i]);
}
hb_face_t *result = hb_subset (face, input);
{
@ -65,16 +63,16 @@ trySubset (hb_face_t *face,
drop_hints, drop_layout, retain_gids);
}
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
extern "C" int LLVMFuzzerTestOneInput (const uint8_t *data, size_t size)
{
alloc_state = size; /* see src/failing-alloc.c */
hb_blob_t *blob = hb_blob_create ((const char *)data, size,
hb_blob_t *blob = hb_blob_create ((const char *) data, size,
HB_MEMORY_MODE_READONLY, nullptr, nullptr);
hb_face_t *face = hb_face_create (blob, 0);
/* Just test this API here quickly. */
hb_set_t *output = hb_set_create();
hb_set_t *output = hb_set_create ();
hb_face_collect_unicodes (face, output);
hb_set_destroy (output);
@ -88,14 +86,14 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
trySubset (face, text, sizeof (text) / sizeof (hb_codepoint_t), flags);
hb_codepoint_t text_from_data[16];
if (size > sizeof(text_from_data) + sizeof(flags)) {
if (size > sizeof (text_from_data) + sizeof (flags)) {
memcpy (text_from_data,
data + size - sizeof(text_from_data),
sizeof(text_from_data));
data + size - sizeof (text_from_data),
sizeof (text_from_data));
memcpy (flags,
data + size - sizeof(text_from_data) - sizeof(flags),
sizeof(flags));
data + size - sizeof (text_from_data) - sizeof (flags),
sizeof (flags));
unsigned int text_size = sizeof (text_from_data) / sizeof (hb_codepoint_t);
trySubset (face, text_from_data, text_size, flags);