commit bdfa5ee

UTF: Add uleutf cmp functions

 1@@ -30,6 +30,15 @@ char* uleutf_cat(char* dst, const char* src);
 2 /* Find the first match of the utf8 codepoint chr in the utf8 string src */
 3 char* uleutf_chr(const char* src, ule_i32 chr);
 4 
 5+/* Return less than 0, 0, greater than 0 if src1 < src2, src1 == src2,
 6+   src1 > src2 respectively */
 7+int uleutf_cmp(const char* src1, const char* src2, size_t n);
 8+
 9+/* Return less than 0, 0, greater than 0 if src1 < src2,
10+   src1 == src2, src1 > src2 respectively. Checking at most n
11+   bytes of each utf8 string */
12+int uleutf_ncmp(const char* src1, const char* src2, size_t n);
13+
14 /* The position of the utf8 string needle in the utf8 string haystack */
15 char* uleutf_str(const char* haystack, const char* needle);
16 
17@@ -50,7 +59,6 @@ size_t uleutf_codepointsize(ule_i32 chr);
18 int uleutf_codepointvisualwidth(ule_i32 chr);
19 
20 /* TODO */
21-int uleutf_cmp(const char* src1, const char* src2);
22 char* uleutf_cpy(char* dst, const char* src);
23 size_t uleutf_cspn(const char* src, const char* reject);
24 char* uleutf_dup(const char* src);
25@@ -58,7 +66,6 @@ size_t uleutf_len(const char* str);
26 size_t uleutf_nlen(const char* str, size_t n);
27 int uleutf_ncasecmp(const char* src1, const char* src2, size_t n);
28 char* uleutf_ncat(char* dst, const char* src, size_t n);
29-int uleutf_ncmp(const char* src1, const char* src2, size_t n);
30 char* uleutf_ncpy(char* dst, const char* src, size_t n);
31 char* uleutf_ndup(const char* src, size_t n);
32 char* uleutf_pbrk(const char* str, const char* accept);

 1@@ -96,6 +96,38 @@ char* uleutf_chr(const char* src, ule_i32 chr)
 2 	return uleutf_str(src, c);
 3 }
 4 
 5+int uleutf_cmp(const char* src1, const char* src2, size_t n)
 6+{
 7+	while (('\0' != *src1) || ('\0' != *src2)) {
 8+		if ((unsigned char)*src1 < (unsigned char)*src2)
 9+			return -1;
10+		else if ((unsigned char)*src1 > (unsigned char)*src2)
11+			return 1;
12+
13+		src1++;
14+		src2++;
15+	}
16+
17+	/* both utf8 strings matched */
18+	return 0;
19+}
20+
21+int uleutf_ncmp(const char* src1, const char* src2, size_t n)
22+{
23+	while ((0 != n--) && (('\0' != *src1) || ('\0' != *src2))) {
24+		if ((unsigned char)*src1 < (unsigned char)*src2)
25+			return -1;
26+		else if ((unsigned char)*src1 > (unsigned char)*src2)
27+			return 1;
28+
29+		src1++;
30+		src2++;
31+	}
32+
33+	/* both utf8 strings matched */
34+	return 0;
35+}
36+
37 char* uleutf_str(const char* haystack, const char* needle)
38 {
39 	ule_i32 throwaway_codepoint = 0;