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-rw-r--r--src/string.cpp4
-rw-r--r--src/string_func.h11
2 files changed, 12 insertions, 3 deletions
diff --git a/src/string.cpp b/src/string.cpp
index 289031cfc..1ab68a274 100644
--- a/src/string.cpp
+++ b/src/string.cpp
@@ -362,7 +362,9 @@ char *strndup(const char *s, size_t len)
memcpy(tmp, s, len);
return tmp;
}
+#endif /* !_GNU_SOURCE */
+#ifdef DEFINE_STRCASESTR
const char *strcasestr(const char *haystack, const char *needle)
{
size_t hay_len = strlen(haystack);
@@ -376,4 +378,4 @@ const char *strcasestr(const char *haystack, const char *needle)
return NULL;
}
-#endif /* !_GNU_SOURCE */
+#endif /* DEFINE_STRCASESTR */
diff --git a/src/string_func.h b/src/string_func.h
index c63fc6719..ad32a5558 100644
--- a/src/string_func.h
+++ b/src/string_func.h
@@ -234,9 +234,16 @@ static inline bool IsWhitespace(WChar c)
}
#ifndef _GNU_SOURCE
-/* strndup and strcasestr are GNU extensions */
+/* strndup is a GNU extension */
char *strndup(const char *s, size_t len);
-const char *strcasestr(const char *haystack, const char *needle);
#endif /* !_GNU_SOURCE */
+/* strcasestr is available for _GNU_SOURCE, BSD and some Apple */
+#if defined(_GNU_SOURCE) || (defined(__BSD_VISIBLE) && __BSD_VISIBLE) || (defined(__APPLE__) && (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)))
+# undef DEFINE_STRCASESTR
+#else
+# define DEFINE_STRCASESTR
+const char *strcasestr(const char *haystack, const char *needle);
+#endif /* strcasestr is available */
+
#endif /* STRING_FUNC_H */