+
+int
+charray_strcmp( const char **a1, const char **a2 )
+{
+ for ( ; a1[0] && a2[0]; a1++, a2++ ) {
+ if ( strcmp( a1[0], a2[0] ) ) {
+ return( !0 );
+ }
+ }
+
+ if ( a1[0] || a2[0] ) {
+ return( !0 );
+ }
+
+ return 0;
+}
+
+
+int
+charray_strcasecmp( const char **a1, const char **a2 )
+{
+ for ( ; a1[0] && a2[0]; a1++, a2++ ) {
+ if ( strcasecmp( a1[0], a2[0] ) ) {
+ return( !0 );
+ }
+ }
+
+ if ( a1[0] || a2[0] ) {
+ return( !0 );
+ }
+
+ return 0;
+}
+
+/* strcopy is like strcpy except it returns a pointer to the trailing NUL of
+ * the result string. This allows fast construction of catenated strings
+ * without the overhead of strlen/strcat.
+ */
+char *
+slap_strcopy(
+ char *a,
+ const char *b
+)
+{
+ if (!a || !b)
+ return a;
+
+ while ((*a++ = *b++)) ;
+ return a-1;
+}
+
+/* strncopy is like strcpy except it returns a pointer to the trailing NUL of
+ * the result string. This allows fast construction of catenated strings
+ * without the overhead of strlen/strcat.
+ */
+char *
+slap_strncopy(
+ char *a,
+ const char *b,
+ size_t n
+)
+{
+ if (!a || !b || n == 0)
+ return a;
+
+ while ((*a++ = *b++) && n-- > 0) ;
+ return a-1;
+}