Further development work. Parser nearly finished

[originally from svn r187]

1 files changed, 47 insertions, 0 deletions

diff --git a/ustring.c b/ustring.c
new file mode 100644
index 0000000..00e26b6
--- /dev/null
+++ b/ustring.c
@@ -0,0 +1,47 @@
+/*
+ * ustring.c: Unicode string routines
+ */
+
+#include <wchar.h>
+#include "buttress.h"
+
+wchar_t *ustrdup(wchar_t *s) {
+    wchar_t *r;
+    if (s) {
+	r = smalloc((1+ustrlen(s)) * sizeof(wchar_t));
+	ustrcpy(r, s);
+    } else {
+	r = smalloc(1);
+	*r = 0;
+    }
+    return r;
+}
+
+char *ustrtoa(wchar_t *s, char *outbuf, int size) {
+    char *p;
+    if (!s) {
+	*outbuf = '\0';
+	return outbuf;
+    }
+    for (p = outbuf; *s && p < outbuf+size; p++,s++)
+	*p = *s;
+    if (p < outbuf+size)
+	*p = '\0';
+    else
+	outbuf[size-1] = '\0';
+    return outbuf;
+}
+
+int ustrlen(wchar_t *s) {
+    int len = 0;
+    while (*s++) len++;
+    return len;
+}
+
+wchar_t *ustrcpy(wchar_t *dest, wchar_t *source) {
+    wchar_t *ret = dest;
+    do {
+	*dest++ = *source;
+    } while (*source++);
+    return ret;
+}