diff options
Diffstat (limited to 'lib/Utils/copyfd.cpp')
-rw-r--r-- | lib/Utils/copyfd.cpp | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/lib/Utils/copyfd.cpp b/lib/Utils/copyfd.cpp index cda52b03..9abe7522 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; +} |