Add yaz_strcmp_null

[yaz-moved-to-github.git] / include / yaz / matchstr.h

diff --git a/include/yaz/matchstr.h b/include/yaz/matchstr.h
index 778fa39..bdc5386 100644 (file)
--- a/include/yaz/matchstr.h
+++ b/include/yaz/matchstr.h
@@ -65,7 +65,8 @@ YAZ_EXPORT int yaz_strcmp_del(const char *a, const char *b, const char *b_del);
     \retval >0 a > b
     \retval <0 a < b
 */
-int yaz_memcmp(const void *a, const void *b, size_t len_a, size_t len_b);
+YAZ_EXPORT int yaz_memcmp(const void *a, const void *b,
+                          size_t len_a, size_t len_b);
 
 /** \brief ala strncasecmp - no locale
     \param s1 first buffer
@@ -75,7 +76,7 @@ int yaz_memcmp(const void *a, const void *b, size_t len_a, size_t len_b);
     \retval >0 a > b
     \retval <0 a < b
 */
-int yaz_strncasecmp(const char *s1, const char *s2, size_t n);
+YAZ_EXPORT int yaz_strncasecmp(const char *s1, const char *s2, size_t n);
 
 /** \brief ala strcasecmp - no locale
     \param s1 first buffer
@@ -84,8 +85,16 @@ int yaz_strncasecmp(const char *s1, const char *s2, size_t n);
     \retval >0 a > b
     \retval <0 a < b
 */
-int yaz_strcasecmp(const char *s1, const char *s2);
+YAZ_EXPORT int yaz_strcasecmp(const char *s1, const char *s2);
 
+/** \brief strcmp, null may be passed
+    \param s1 first buffer or NULL
+    \param s2 second buffer or NULL
+    \retval 0 buffers are equal
+    \retval >0 a > b
+    \retval <0 a < b
+*/
+YAZ_EXPORT int yaz_strcmp_null(const char *s1, const char *s2);
 
 YAZ_END_CDECL