--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/server/ucx/sstring.c Sat Jan 14 13:53:44 2012 +0100
@@ -0,0 +1,125 @@
+/*
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
+ *
+ * Copyright 2011 Olaf Wintermann. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <stdlib.h>
+#include <string.h>
+#include <stdarg.h>
+
+#include "sstring.h"
+
+sstr_t sstr (char *s) {
+ sstr_t string;
+ if(s == NULL) {
+ string.length = 0;
+ string.ptr = NULL;
+ } else {
+ string.ptr = s;
+ string.length = strlen(s);
+ }
+ return string;
+}
+
+sstr_t sstrn (char *s, size_t n) {
+ sstr_t string;
+ string.ptr = s;
+ string.length = n;
+ return string;
+}
+
+size_t sstrnlen (size_t n, sstr_t s, ...) {
+ va_list ap;
+ size_t size = s.length;
+ va_start(ap, s);
+
+ for (int i=0;i<n-1;i++) {
+ sstr_t str = va_arg(ap, sstr_t);
+ size += str.length;
+ }
+
+ return size;
+}
+
+sstr_t sstrcat (sstr_t s, ...) {
+ va_list ap;
+ va_start(ap, s);
+ s.ptr[0] = 0;
+
+ sstr_t str = va_arg (ap, sstr_t);
+ while (str.ptr != NULL) {
+ s.ptr = strncat (s.ptr, str.ptr, s.length);
+ str = va_arg (ap, sstr_t);
+ }
+
+ return s;
+}
+
+sstr_t sstrncat (size_t n, sstr_t s, sstr_t c1, ...) {
+ va_list ap;
+ va_start(ap, c1);
+ s.ptr[0] = 0;
+
+ s.ptr = strncat (s.ptr, c1.ptr, s.length);
+ for (int i=0;i<n-1;i++) {
+ sstr_t str = va_arg (ap, sstr_t);
+ s.ptr = strncat (s.ptr, str.ptr, s.length);
+ }
+
+ return s;
+}
+
+sstr_t sstrsubs (sstr_t s, size_t start) {
+ return sstrsubsl (s, start, s.length-start);
+}
+
+sstr_t sstrsubsl (sstr_t s, size_t start, size_t length) {
+ sstr_t new_sstr;
+ if (start < 0 || start >= s.length || length < 0) {
+ return s;
+ }
+ if (length > s.length-start) {
+ length = s.length-start;
+ }
+ new_sstr.ptr = &s.ptr[start];
+ new_sstr.length = length;
+ return new_sstr;
+}
+
+int sstrcmp(sstr_t s1, sstr_t s2) {
+ return strncmp(s1.ptr, s2.ptr, s1.length>s2.length ? s2.length: s1.length);
+}
+
+sstr_t sstrdub(sstr_t s) {
+ sstr_t newstring;
+ newstring.ptr = malloc(s.length + 1);
+ newstring.length = s.length;
+ newstring.ptr[newstring.length] = 0;
+
+ memcpy(newstring.ptr, s.ptr, s.length);
+
+ return newstring;
+}