X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=util.c;h=33b143d3bbcf225c9cc37df3a1206d642cbf4e9d;hb=a7334b0952ab66c17ee787e36e6d2c5ceb387de6;hp=4847310aee57d084d5009c0cf0132002ee260e8b;hpb=79d6d8160834fdfc964f4b8b2a6b7fb32c7b36c9;p=elogind.git
diff --git a/util.c b/util.c
index 4847310ae..33b143d3b 100644
--- a/util.c
+++ b/util.c
@@ -1,5 +1,24 @@
/*-*- Mode: C; c-basic-offset: 8 -*-*/
+/***
+ This file is part of systemd.
+
+ Copyright 2010 Lennart Poettering
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ systemd is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with systemd; If not, see .
+***/
+
#include
#include
#include
@@ -10,6 +29,7 @@
#include
#include
#include
+#include
#include "macro.h"
#include "util.h"
@@ -566,10 +586,10 @@ int unhexchar(char c) {
return c - '0';
if (c >= 'a' && c <= 'f')
- return c - 'a';
+ return c - 'a' + 10;
if (c >= 'A' && c <= 'F')
- return c - 'A';
+ return c - 'A' + 10;
return -1;
}
@@ -803,6 +823,66 @@ char *xescape(const char *s, const char *bad) {
return r;
}
+char *bus_path_escape(const char *s) {
+ assert(s);
+
+ char *r, *t;
+ const char *f;
+
+ /* Escapes all chars that D-Bus' object path cannot deal
+ * with. Can be reverse with bus_path_unescape() */
+
+ if (!(r = new(char, strlen(s)*3+1)))
+ return NULL;
+
+ for (f = s, t = r; *f; f++) {
+
+ if (!(*f >= 'A' && *f <= 'Z') &&
+ !(*f >= 'a' && *f <= 'z') &&
+ !(*f >= '0' && *f <= '9')) {
+ *(t++) = '_';
+ *(t++) = hexchar(*f >> 4);
+ *(t++) = hexchar(*f);
+ } else
+ *(t++) = *f;
+ }
+
+ *t = 0;
+
+ return r;
+}
+
+char *bus_path_unescape(const char *s) {
+ assert(s);
+
+ char *r, *t;
+ const char *f;
+
+ if (!(r = new(char, strlen(s)+1)))
+ return NULL;
+
+ for (f = s, t = r; *f; f++) {
+
+ if (*f == '_') {
+ int a, b;
+
+ if ((a = unhexchar(f[1])) < 0 ||
+ (b = unhexchar(f[2])) < 0) {
+ /* Invalid escape code, let's take it literal then */
+ *(t++) = '_';
+ } else {
+ *(t++) = (char) ((a << 4) | b);
+ f += 2;
+ }
+ } else
+ *(t++) = *f;
+ }
+
+ *t = 0;
+
+ return r;
+}
+
char *path_kill_slashes(char *path) {
char *f, *t;
bool slash = false;