Set return type of rz_strbuf_length() to size_t (#4775)

Author: kazarmy

binrz/rz-test/run.c

@@ -206,7 +206,7 @@ RZ_API bool rz_test_cmp_cmd_output(const char *output, const char *expect, const
 		if (expect_len > 0 && expect[expect_len - 1] == '\n') {
 			// Ignore newline in expect
 			expect_len--;
-			int match_str_len = rz_strbuf_length(match_str);
+			size_t match_str_len = rz_strbuf_length(match_str);
 			if (match_str_len && rz_strbuf_get(match_str)[match_str_len - 1] == '\n') {
 				// Ignore newline in match_str
 				match_str_len--;

binrz/rz-test/rz-test.c

@@ -704,7 +704,7 @@ static void *worker_th(RzTestState *state) {
 
 static char *get_matched_str(const char *regexp, const char *str) {
 	RzStrBuf *match_str = rz_test_regex_full_match_str(regexp, str);
-	int len = rz_strbuf_length(match_str);
+	size_t len = rz_strbuf_length(match_str);
 	if (len && rz_strbuf_get(match_str)[len - 1] != '\n') { // empty matches are not changed
 		rz_strbuf_append(match_str, "\n");
 	}

librz/include/rz_util/rz_strbuf.h

@@ -30,7 +30,7 @@ RZ_API bool rz_strbuf_vappendf(RzStrBuf *sb, const char *fmt, va_list ap);
 RZ_API char *rz_strbuf_get(RzStrBuf *sb);
 RZ_API RZ_OWN char *rz_strbuf_drain(RzStrBuf *sb);
 RZ_API RZ_OWN char *rz_strbuf_drain_nofree(RzStrBuf *sb);
-RZ_API int rz_strbuf_length(RzStrBuf *sb);
+RZ_API size_t rz_strbuf_length(RzStrBuf *sb);
 RZ_API void rz_strbuf_free(RzStrBuf *sb);
 RZ_API void rz_strbuf_fini(RzStrBuf *sb);
 RZ_API void rz_strbuf_init(RzStrBuf *sb);

librz/util/strbuf.c

@@ -25,7 +25,7 @@ RZ_API bool rz_strbuf_is_empty(RzStrBuf *sb) {
 	return sb->len == 0;
 }
 
-RZ_API int rz_strbuf_length(RzStrBuf *sb) {
+RZ_API size_t rz_strbuf_length(RzStrBuf *sb) {
 	rz_return_val_if_fail(sb, 0);
 	return sb->len;
 }