X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=libbb%2Fconcat_path_file.c;h=fb533547eb28fce402900240f7fe6f2a366c0556;hb=d7171c114028815df4e92f9c26875f1d60c6af2a;hp=86dd2fbbf8678feac063a31e5f91d100cc1881e4;hpb=34506361697643277042fc8d7294bc17a27d4e28;p=oweals%2Fbusybox.git

diff --git a/libbb/concat_path_file.c b/libbb/concat_path_file.c
index 86dd2fbbf..fb533547e 100644
--- a/libbb/concat_path_file.c
+++ b/libbb/concat_path_file.c
@@ -1,26 +1,29 @@
+/* vi: set sw=4 ts=4: */
 /*
- * busybox library eXtendet funcion
+ * Utility routines.
  *
- * concatenate path and file name to new allocation buffer,
- * not addition '/' if path name already have '/'
+ * Copyright (C) many different people.
+ * If you wrote this, please acknowledge your work.
  *
-*/
+ * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
+ */
+
+/* Concatenate path and filename to new allocated buffer.
+ * Add '/' only as needed (no duplicate // are produced).
+ * If path is NULL, it is assumed to be "/".
+ * filename should not be NULL.
+ */
 
-#include <string.h>
 #include "libbb.h"
 
-extern char *concat_path_file(const char *path, const char *filename)
+char* FAST_FUNC concat_path_file(const char *path, const char *filename)
 {
-	char *outbuf;
 	char *lc;
 
 	if (!path)
-	    path="";
+		path = "";
 	lc = last_char_is(path, '/');
 	while (*filename == '/')
 		filename++;
-	outbuf = xmalloc(strlen(path)+strlen(filename)+1+(lc==NULL));
-	sprintf(outbuf, "%s%s%s", path, (lc==NULL)? "/" : "", filename);
-
-	return outbuf;
+	return xasprintf("%s%s%s", path, (lc==NULL ? "/" : ""), filename);
 }