--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/ucx/string.c Thu Jan 05 14:53:54 2012 +0100
@@ -0,0 +1,99 @@
+/*
+ * File: sstring.c
+ * Author: olaf
+ *
+ * Created on 17. Juni 2010, 13:27
+ */
+
+#include <stdlib.h>
+#include <string.h>
+#include <stdarg.h>
+
+#include "string.h"
+
+sstr_t sstr (char *s) {
+ sstr_t string;
+ 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;
+}