merge

1 files changed, 22 insertions, 0 deletions

diff --git a/lib/Utils/copyfd.cpp b/lib/Utils/copyfd.cpp
index cda52b0..9abe752 100644
--- a/lib/Utils/copyfd.cpp
+++ b/lib/Utils/copyfd.cpp
@@ -105,3 +105,25 @@ off_t copyfd_eof(int fd1, int fd2)
 {
 	return full_fd_action(fd1, fd2, 0);
 }
+
+off_t copy_file(const char *src_name, const char *dst_name)
+{
+    off_t r;
+    int src = open(src_name, O_RDONLY);
+    if (src < 0)
+    {
+        perror_msg("Can't open '%s'", src_name);
+        return -1;
+    }
+    int dst = open(dst_name, O_WRONLY | O_TRUNC | O_CREAT, 0666);
+    if (dst < 0)
+    {
+        close(src);
+        perror_msg("Can't open '%s'", dst_name);
+        return -1;
+    }
+    r = copyfd_eof(src, dst);
+    close(src);
+    close(dst);
+    return r;
+}