[xift] Almost done.

1 files changed, 36 insertions, 0 deletions

diff --git a/src/utils.cpp b/src/utils.cpp
new file mode 100644
index 0000000..2137aa8
--- /dev/null
+++ b/src/utils.cpp
@@ -0,0 +1,36 @@
+#include "utils.hpp"
+
+#include <stdlib.h>
+#include <string.h>
+
+
+char *xift_str_create_copy(const char *begin, const char *end)
+{
+    char *res;
+    res = (char *)malloc(end - begin + 1);
+    if (res) {
+        memcpy(res, begin, end - begin);
+        res[end - begin] = 0;
+    }
+    return res;
+}
+
+
+bool xift_str_add(char *&dest, int &len, int &size, char c)
+{
+    if (!dest) {
+        dest = (char *)malloc(2);
+        size = 2;
+        len  = 0;
+    }
+    if (len + 1 == size) {
+        size *= 2;
+        dest  = (char *)realloc(dest, size);
+    }
+    if (dest) {
+        dest[len] = c;
+        ++len;
+        dest[len] = 0;
+    }
+    return dest != 0;
+}