Create a branch for cmake bringup.

svn path=/branches/cmake-bringup/; revision=48236

lib/sdk/crt/string/strtok.c

@@ -0,0 +1,62 @@
+/* Copyright (C) 1994 DJ Delorie, see COPYING.DJ for details */
+#include <precomp.h>
+
+#include <string.h>
+#include <internal/tls.h>
+
+char** _lasttoken(); /* lasttok.c */
+
+/*
+ * @implemented
+ */
+char* strtok(char* s, const char* delim)
+{
+  const char *spanp;
+  int c, sc;
+  char *tok;
+#if 1
+  char ** lasttoken = _lasttoken();
+#else
+  PTHREADDATA ThreadData = GetThreadData();
+  char ** lasttoken = &ThreadData->lasttoken;
+#endif
+
+  if (s == NULL && (s = *lasttoken) == NULL)
+    return (NULL);
+
+  /*
+   * Skip (span) leading delimiters (s += strspn(s, delim), sort of).
+   */
+ cont:
+  c = *s++;
+  for (spanp = delim; (sc = *spanp++) != 0;) {
+    if (c == sc)
+      goto cont;
+  }
+
+  if (c == 0) {			/* no non-delimiter characters */
+    *lasttoken = NULL;
+    return (NULL);
+  }
+  tok = s - 1;
+
+  /*
+   * Scan token (scan for delimiters: s += strcspn(s, delim), sort of).
+   * Note that delim must have one NUL; we stop if we see that, too.
+   */
+  for (;;) {
+    c = *s++;
+    spanp = delim;
+    do {
+      if ((sc = *spanp++) == c) {
+	if (c == 0)
+	  s = NULL;
+	else
+	  s[-1] = 0;
+	*lasttoken = s;
+	return (tok);
+      }
+    } while (sc != 0);
+  }
+  /* NOTREACHED */
+}