[project @ 1998-04-10 11:33:12 by simonm]

[ghc-hetmet.git] / ghc / lib / std / cbits / removeFile.lc

diff --git a/ghc/lib/std/cbits/removeFile.lc b/ghc/lib/std/cbits/removeFile.lc
new file mode 100644 (file)
index 0000000..095b621
--- /dev/null
+++ b/ghc/lib/std/cbits/removeFile.lc
@@ -0,0 +1,48 @@
+%
+% (c) The GRASP/AQUA Project, Glasgow University, 1995
+%
+\subsection[removeFile.lc]{removeFile Runtime Support}
+
+\begin{code}
+
+#include "rtsdefs.h"
+#include "stgio.h"
+
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+
+#ifdef HAVE_SYS_STAT_H
+#include <sys/stat.h>
+#endif
+
+StgInt
+removeFile(path)
+StgByteArray path;
+{
+    struct stat sb;
+
+    /* Check for a non-directory */
+    while (stat(path, &sb) != 0) {
+       if (errno != EINTR) {
+           cvtErrno();
+           stdErrno();
+           return -1;
+       }
+    }
+    if (S_ISDIR(sb.st_mode)) {
+       ghc_errtype = ERR_INAPPROPRIATETYPE;
+       ghc_errstr = "file is a directory";
+       return -1;
+    }
+    while (unlink(path) != 0) {
+       if (errno != EINTR) {
+           cvtErrno();
+           stdErrno();
+           return -1;
+       }
+    }
+    return 0;
+}
+
+\end{code}