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Diffstat (limited to '3rdparty/utf8proc/test/fuzzer.c')
-rw-r--r--3rdparty/utf8proc/test/fuzzer.c84
1 files changed, 84 insertions, 0 deletions
diff --git a/3rdparty/utf8proc/test/fuzzer.c b/3rdparty/utf8proc/test/fuzzer.c
new file mode 100644
index 00000000000..b5349a322c9
--- /dev/null
+++ b/3rdparty/utf8proc/test/fuzzer.c
@@ -0,0 +1,84 @@
+#include <utf8proc.h>
+#include <string.h>
+
+int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
+{
+ if(size < 1) return 0;
+
+ /* Avoid timeout with long inputs */
+ if(size > (64 * 1024)) return 0;
+
+ if(data[size-1] != '\0') return 0;
+
+ const uint8_t* ptr = data;
+ utf8proc_int32_t c = 0, c_prev = 0, state = 0;
+ utf8proc_option_t options;
+ utf8proc_ssize_t ret, bytes = 0;
+ size_t len = strlen((const char*)data);
+
+ while(bytes != len)
+ {
+ ret = utf8proc_iterate(ptr, -1, &c);
+
+ if(ret < 0 || ret == 0) break;
+
+ bytes += ret;
+ ptr += ret;
+
+ utf8proc_tolower(c);
+ utf8proc_toupper(c);
+ utf8proc_totitle(c);
+ utf8proc_islower(c);
+ utf8proc_isupper(c);
+ utf8proc_charwidth(c);
+ utf8proc_category(c);
+ utf8proc_category_string(c);
+ utf8proc_codepoint_valid(c);
+
+ utf8proc_grapheme_break(c_prev, c);
+ utf8proc_grapheme_break_stateful(c_prev, c, &state);
+
+ c_prev = c;
+ }
+
+ utf8proc_int32_t *copy = size >= 4 ? NULL : malloc(size);
+
+ if(copy)
+ {
+ size /= 4;
+
+ options = UTF8PROC_STRIPCC | UTF8PROC_NLF2LS | UTF8PROC_NLF2PS;
+ memcpy(copy, data, size);
+ utf8proc_normalize_utf32(copy, size, options);
+
+ options = UTF8PROC_STRIPCC | UTF8PROC_NLF2LS;
+ memcpy(copy, data, size);
+ utf8proc_normalize_utf32(copy, size, options);
+
+ options = UTF8PROC_STRIPCC | UTF8PROC_NLF2PS;
+ memcpy(copy, data, size);
+ utf8proc_normalize_utf32(copy, size, options);
+
+ options = UTF8PROC_STRIPCC;
+ memcpy(copy, data, size);
+ utf8proc_normalize_utf32(copy, size, options);
+
+ options = UTF8PROC_LUMP;
+ memcpy(copy, data, size);
+ utf8proc_normalize_utf32(copy, size, options);
+
+ options = 0;
+ memcpy(copy, data, size);
+ utf8proc_normalize_utf32(copy, size, options);
+
+ free(copy);
+ }
+
+ free(utf8proc_NFD(data));
+ free(utf8proc_NFC(data));
+ free(utf8proc_NFKD(data));
+ free(utf8proc_NFKC(data));
+ free(utf8proc_NFKC_Casefold(data));
+
+ return 0;
+} \ No newline at end of file