add isc_strsep() and isc/string.h

lib/isc/include/isc/string.h

+/*
+ * Copyright (C) 2000  Internet Software Consortium.
+ * 
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
+ * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
+ * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+ * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ */
+
+#include <string.h>
+
+#include <isc/lang.h>
+#include <isc/platform.h>
+
+ISC_LANG_BEGINDECLS
+
+#ifdef ISC_PLATFORM_NEEDSTRSEP
+char *
+isc_strsep(char **stringp, const char *delim); 
+#define strsep isc_strsep
+#endif
+
+ISC_LANG_ENDDECLS

lib/isc/strsep.c

+/*
+ * Copyright (C) 2000  Internet Software Consortium.
+ * 
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
+ * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
+ * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+ * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ */
+
+#include <config.h>
+#include <isc/string.h>
+
+char *
+isc_strsep(char **stringp, const char *delim) {
+	char *string = *stringp;
+	char *s;
+	const char *d;
+	char sc, dc;
+
+	if (string == NULL)
+		return (NULL);
+
+	for (s = string; (sc = *s) != '\0'; s++)
+		for (d = delim; (dc = *d) != '\0'; d++)
+			if (sc == dc) {
+				*s++ = '\0';
+				*stringp = s;
+				return (string);
+			}
+	*stringp = NULL;
+	return (string);
+}

util/copyrights

@@ -583,6 +583,7 @@
 ./lib/isc/include/isc/sockaddr.h		C	1998,1999,2000
 ./lib/isc/include/isc/socket.h			C	1998,1999,2000
 ./lib/isc/include/isc/str.h			C	1999,2000
+./lib/isc/include/isc/string.h			C	2000
 ./lib/isc/include/isc/symtab.h			C	1996,1997,1998,1999,2000
 ./lib/isc/include/isc/task.h			C	1998,1999,2000
 ./lib/isc/include/isc/taskpool.h		C	1999,2000
@@ -621,6 +622,7 @@
 ./lib/isc/serial.c				C	1999,2000
 ./lib/isc/sockaddr.c				C	1999,2000
 ./lib/isc/str.c					C	1999,2000
+./lib/isc/strsep.c				C	2000
 ./lib/isc/symtab.c				C	1996,1997,1998,1999,2000
 ./lib/isc/task.c				C	1998,1999,2000
 ./lib/isc/taskpool.c				C	1999,2000