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authorReinhard Tartler <siretart@tauware.de>2011-10-10 17:43:39 +0200
committerReinhard Tartler <siretart@tauware.de>2011-10-10 17:43:39 +0200
commitf4092abdf94af6a99aff944d6264bc1284e8bdd4 (patch)
tree2ac1c9cc16ceb93edb2c4382c088dac5aeafdf0f /nx-X11/config/util/revpath.c
parenta840692edc9c6d19cd7c057f68e39c7d95eb767d (diff)
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Imported nx-X11-3.1.0-1.tar.gznx-X11/3.1.0-1
Summary: Imported nx-X11-3.1.0-1.tar.gz Keywords: Imported nx-X11-3.1.0-1.tar.gz into Git repository
Diffstat (limited to 'nx-X11/config/util/revpath.c')
-rw-r--r--nx-X11/config/util/revpath.c47
1 files changed, 47 insertions, 0 deletions
diff --git a/nx-X11/config/util/revpath.c b/nx-X11/config/util/revpath.c
new file mode 100644
index 000000000..db88393cb
--- /dev/null
+++ b/nx-X11/config/util/revpath.c
@@ -0,0 +1,47 @@
+/*
+ * Copyright 1999 by The XFree86 Project, Inc.
+ */
+/* $XFree86: xc/config/util/revpath.c,v 1.2 1999/02/01 11:55:49 dawes Exp $ */
+
+/*
+ * Reverse a pathname. It returns a relative path that can be used to undo
+ * 'cd argv[1]'.
+ *
+ * It is impossible to do this in general, but this handles the cases that
+ * come up in imake. Maybe imake should use an absolute path for $(TOP)
+ * instead of a relative path so that this problem can be avoided?
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+int
+main(int argc, char *argv[])
+{
+ int levels = 0;
+ char *p;
+
+ /* Silently ignore invalid usage */
+ if (argc != 2)
+ exit(0);
+
+ /* Split the path and count the levels */
+ p = strtok(argv[1], "/");
+ while (p) {
+ if (strcmp(p, ".") == 0)
+ ;
+ else if (strcmp(p, "..") == 0)
+ levels--;
+ else
+ levels++;
+ p = strtok(NULL, "/");
+ }
+
+ while (levels-- > 0)
+ printf("../");
+
+ printf("\n");
+
+ exit(0);
+}