1 files changed, 66 insertions, 0 deletions
diff --git a/src/userprog/test.c b/src/userprog/test.c
new file mode 100644
index 0000000..6d884d6
--- /dev/null
+++ b/src/userprog/test.c
@@ -0,0 +1,66 @@
+#include <stdio.h>
+
+typedef __SIZE_TYPE__ size_t;
+
+/* As strlcpy, but only copies the first word from SRC. Worde are
+ * delimeted by space. Leading space is also ignored.
+ * ( added by klaar@ida )
+ */
+size_t
+strlcpy_first_word (char *dst, const char *src, size_t size) 
+{
+  size_t i = size;
+  
+  /* skip leading spaces */
+  while (*src != '\0' && *src == ' ')
+    ++src;
+
+  /* copy at most size characters */
+  if (size > 0)
+  {
+    while (i > 1)
+    {
+      if (*src == '\0' || *src == ' ')
+        break;
+      
+      *dst++ = *src++;
+      --i;
+    }
+    *dst = '\0';
+  }
+  return size - i;
+}
+
+int main(int argc, char* argv[])
+{
+  char word[100];
+  int i;
+  
+  i = strlcpy_first_word(word, argv[1], -1);
+
+  printf("Argv[1]: '%s', (%d characters)\n", argv[1], strlen(argv[1]));
+  printf("First w: '%s', (%d characters)\n", word, strlen(word));
+  printf("Copied %d characters of max %d\n\n", i, -1);
+
+  
+  i = strlcpy_first_word(word, argv[1], 0);
+
+  printf("Argv[1]: '%s', (%d characters)\n", argv[1], strlen(argv[1]));
+  printf("First w: '%s', (%d characters)\n", word, strlen(word));
+  printf("Copied %d characters of max %d\n\n", i, 0);
+
+
+  i = strlcpy_first_word(word, argv[1], 1);
+
+  printf("Argv[1]: '%s', (%d characters)\n", argv[1], strlen(argv[1]));
+  printf("First w: '%s', (%d characters)\n", word, strlen(word));
+  printf("Copied %d characters of max %d\n\n", i, 1);
+
+
+  i = strlcpy_first_word(word, argv[1], 10);
+
+  printf("Argv[1]: '%s', (%d characters)\n", argv[1], strlen(argv[1]));
+  printf("First w: '%s', (%d characters)\n", word, strlen(word));
+  printf("Copied %d characters of max %d\n\n", i, 10);
+
+}