Add touch, filecopy_unsafe, filecopy_suffix

1 files changed, 32 insertions, 0 deletions

diff --git a/src/libstddjb/filecopy_unsafe.c b/src/libstddjb/filecopy_unsafe.c
new file mode 100644
index 0000000..b60c783
--- /dev/null
+++ b/src/libstddjb/filecopy_unsafe.c
@@ -0,0 +1,32 @@
+/* ISC license. */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <skalibs/djbunix.h>
+
+int filecopy_unsafe (char const *src, char const *dst, unsigned int mode)
+{
+  int d ;
+  int s = open2(src, O_RDONLY) ;
+  if (s < 0) return 0 ;
+  d = open3(dst, O_WRONLY | O_CREAT | O_TRUNC, mode) ;
+  if (d < 0)
+  {
+    register int e = errno ;
+    fd_close(s) ;
+    errno = e ;
+    return 0 ;
+  }
+  if (fd_cat(s, d) < 0)
+  {
+    register int e = errno ;
+    fd_close(d) ;
+    fd_close(s) ;
+    errno = e ;
+    return 0 ;
+  }
+  fd_close(d) ;
+  fd_close(s) ;
+  return 1 ;
+}
+