Add function psl_suffix_wildcard_count()

include/libpsl.h

@@ -95,6 +95,9 @@ int
 /* just counts exceptions */
 int
 	psl_suffix_exception_count(const psl_ctx_t *psl);
+/* just counts wildcards */
+int
+	psl_suffix_wildcard_count(const psl_ctx_t *psl);
 /* returns compilation time */
 time_t
 	psl_builtin_compile_time(void);

src/psl.c

@@ -155,7 +155,8 @@ struct _psl_ctx_st {
 		*suffixes;
 	int
 		nsuffixes,
-		nexceptions;
+		nexceptions,
+		nwildcards;
 };
 
 /* include the PSL data compiled by 'psl2c' */
@@ -168,6 +169,7 @@ struct _psl_ctx_st {
 	static time_t _psl_compile_time;
 	static int _psl_nsuffixes;
 	static int _psl_nexceptions;
+	static int _psl_nwildcards;
 	static const char _psl_sha1_checksum[] = "";
 	static const char _psl_filename[] = "";
 #endif
@@ -730,6 +732,7 @@ psl_ctx_t *psl_load_fp(FILE *fp)
 			p++;
 			/* wildcard *.foo.bar implicitely make foo.bar a public suffix */
 			suffix.flags = _PSL_FLAG_WILDCARD | _PSL_FLAG_PLAIN;
+			psl->nwildcards++;
 			psl->nsuffixes++;
 		} else {
 			if (!strchr(p, '.'))
@@ -863,6 +866,26 @@ int psl_suffix_exception_count(const psl_ctx_t *psl)
 		return 0;
 }
 
+/**
+ * psl_suffix_wildcard_count:
+ * @psl: PSL context pointer
+ *
+ * This function returns number of public suffix wildcards maintained by @psl.
+ *
+ * Returns: Number of public suffix wildcards in PSL context.
+ *
+ * Since: 0.10.0
+ */
+int psl_suffix_wildcard_count(const psl_ctx_t *psl)
+{
+	if (psl == &_builtin_psl)
+		return _psl_nwildcards;
+	else if (psl)
+		return psl->nwildcards;
+	else
+		return 0;
+}
+
 /**
  * psl_builtin_compile_time:
  *

src/psl2c.c

@@ -262,6 +262,7 @@ int main(int argc, const char **argv)
 			fprintf(fpout, "static time_t _psl_compile_time = %lu;\n", time(NULL));
 		fprintf(fpout, "static int _psl_nsuffixes = %d;\n", psl->nsuffixes);
 		fprintf(fpout, "static int _psl_nexceptions = %d;\n", psl->nexceptions);
+		fprintf(fpout, "static int _psl_nwildcards = %d;\n", psl->nwildcards);
 		fprintf(fpout, "static const char _psl_sha1_checksum[] = \"%s\";\n", checksum);
 		fprintf(fpout, "static const char _psl_filename[] = \"%s\";\n", argv[1]);
 
@@ -280,6 +281,7 @@ int main(int argc, const char **argv)
 		fprintf(fpout, "static time_t _psl_compile_time;\n");
 		fprintf(fpout, "static int _psl_nsuffixes = 0;\n");
 		fprintf(fpout, "static int _psl_nexceptions = 0;\n");
+		fprintf(fpout, "static int _psl_nwildcards = 0;\n");
 		fprintf(fpout, "static const char _psl_sha1_checksum[] = \"\";\n");
 		fprintf(fpout, "static const char _psl_filename[] = \"\";\n");
 

tools/psl.c

@@ -200,6 +200,7 @@ int main(int argc, const char *const *argv)
 		if (psl && psl != psl_builtin()) {
 			printf("suffixes: %d\n", psl_suffix_count(psl));
 			printf("exceptions: %d\n", psl_suffix_exception_count(psl));
+			printf("wildcards: %d\n", psl_suffix_wildcard_count(psl));
 		}
 
 		psl_free(psl);
@@ -208,6 +209,7 @@ int main(int argc, const char *const *argv)
 		if (psl) {
 			printf("builtin suffixes: %d\n", psl_suffix_count(psl));
 			printf("builtin exceptions: %d\n", psl_suffix_exception_count(psl));
+			printf("builtin wildcards: %d\n", psl_suffix_wildcard_count(psl));
 			printf("builtin filename: %s\n", psl_builtin_filename());
 			printf("builtin compile time: %ld (%s)\n", psl_builtin_compile_time(), time2str(psl_builtin_compile_time()));
 			printf("builtin file time: %ld (%s)\n", psl_builtin_file_time(), time2str(psl_builtin_file_time()));