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-rw-r--r--libguile/filesys.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/libguile/filesys.c b/libguile/filesys.c
index b49d488f1..a2db6996f 100644
--- a/libguile/filesys.c
+++ b/libguile/filesys.c
@@ -30,6 +30,7 @@
#endif
#include <alloca.h>
+#include <canonicalize.h>
#include <stdio.h>
#include <errno.h>
@@ -1661,6 +1662,27 @@ SCM_DEFINE (scm_basename, "basename", 1, 1, 0,
}
#undef FUNC_NAME
+SCM_DEFINE (scm_canonicalize_path, "canonicalize-path", 1, 0, 0,
+ (SCM path),
+ "Return the canonical path of @var{path}. A canonical path has\n"
+ "no @code{.} or @code{..} components, nor any repeated path\n"
+ "separators (@code{/}) nor symlinks.\n\n"
+ "Raises an error if any component of @var{path} does not exist.")
+#define FUNC_NAME s_scm_canonicalize_path
+{ char *str, *canon;
+
+ SCM_VALIDATE_STRING (1, path);
+
+ str = scm_to_locale_string (path);
+ canon = canonicalize_file_name (str);
+ free (str);
+
+ if (canon)
+ return scm_take_locale_string (canon);
+ else
+ SCM_SYSERROR;
+}
+#undef FUNC_NAME