--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dep/utf8proc/test/fuzzer.c	Thu Jun 20 05:56:06 2024 -0400
@@ -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