[c89stringutils/c89stringutils_string_extras.h] Guard jasprintf the same way as other functions ;[c89stringutils_tests/test_c89stringutils/test_string_extras.h] Whitespace from clang-format;

Author: SamuelMarks

c89stringutils/c89stringutils_string_extras.h

@@ -353,13 +353,15 @@ extern int asprintf(char **str, const char *fmt, ...) {
 
 #endif /* !HAVE_ASPRINTF */
 
+#ifndef HAVE_JASPRINTF
+
 /* `jasprintf`, a version of `asprintf` that concatenates on successive calls:
  * char *s; jasprintf(&s, "foo%s", "bar");
  * jasprintf(&s, "can%s", "haz"); free(s);
  * */
 char *jasprintf(char **unto, const char *fmt, ...);
 
-#ifndef HAVE_JASPRINTF
+#if defined(C89STRINGUTILS_IMPLEMENTATION) && !defined(HAVE_JASPRINTF)
 #define HAVE_JASPRINTF
 char *jasprintf(char **unto, const char *fmt, ...) {
   va_list args;
@@ -385,6 +387,8 @@ char *jasprintf(char **unto, const char *fmt, ...) {
 
   return result;
 }
+#endif /* defined(C89STRINGUTILS_IMPLEMENTATION) && !defined(HAVE_JASPRINTF)   \
+        */
 #endif /* !HAVE_JASPRINTF */
 
 #endif /* !C89STRINGUTILS_STRING_EXTRAS_H */

c89stringutils_tests/test_c89stringutils/test_string_extras.h

@@ -17,7 +17,7 @@ TEST x_strnstr_should_fail(void) {
 }
 
 TEST x_jasprintf_should_succeed(void) {
-  char *s=NULL;
+  char *s = NULL;
   jasprintf(&s, "foo%s", "bar");
   jasprintf(&s, "can%s", "haz");
   ASSERT_EQ(strcmp(s, "foobarcanhaz"), 0);