[project @ 1998-04-10 10:54:14 by simonm]

[ghc-hetmet.git] / ghc / lib / std / cbits / createDirectory.c

diff --git a/ghc/lib/std/cbits/createDirectory.c b/ghc/lib/std/cbits/createDirectory.c
new file mode 100644 (file)
index 0000000..6165518
--- /dev/null
+++ b/ghc/lib/std/cbits/createDirectory.c
@@ -0,0 +1,56 @@
+/* 
+ * (c) The GRASP/AQUA Project, Glasgow University, 1994-1998
+ *
+ * $Id: createDirectory.c,v 1.1 1998/04/10 10:54:16 simonm Exp $
+ *
+ * createDirectory Runtime Support}
+ */
+
+#include "Rts.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 
+createDirectory(StgByteArray path)
+{
+    int rc;
+    struct stat sb;
+
+    while((rc = mkdir(path, 0777)) != 0) {
+       if (errno != EINTR) {
+           cvtErrno();
+           switch (ghc_errno) {
+           default:
+               stdErrno();
+               break;
+           case GHC_ENOENT:
+           case GHC_ENOTDIR:
+               ghc_errtype = ERR_NOSUCHTHING;
+               ghc_errstr = "no path to directory";
+               break;
+           case GHC_EEXIST:
+               if (stat(path, &sb) != 0) {
+                   ghc_errtype = ERR_OTHERERROR;
+                   ghc_errstr = "cannot stat existing file";
+               } 
+               if (S_ISDIR(sb.st_mode)) {
+                   ghc_errtype = ERR_ALREADYEXISTS;
+                   ghc_errstr = "directory already exists";
+               } else {
+                   ghc_errtype = ERR_INAPPROPRIATETYPE;
+                   ghc_errstr = "file already exists";
+               }
+               break;
+           }
+           return -1;
+       }
+    }
+    return 0;
+}