diff options
Diffstat (limited to 'src/basic/bus-label.c')
-rw-r--r-- | src/basic/bus-label.c | 98 |
1 files changed, 0 insertions, 98 deletions
diff --git a/src/basic/bus-label.c b/src/basic/bus-label.c deleted file mode 100644 index d4531c7947..0000000000 --- a/src/basic/bus-label.c +++ /dev/null @@ -1,98 +0,0 @@ -/*** - This file is part of systemd. - - Copyright 2013 Lennart Poettering - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -#include <stdlib.h> - -#include "alloc-util.h" -#include "bus-label.h" -#include "hexdecoct.h" -#include "macro.h" - -char *bus_label_escape(const char *s) { - char *r, *t; - const char *f; - - assert_return(s, NULL); - - /* Escapes all chars that D-Bus' object path cannot deal - * with. Can be reversed with bus_path_unescape(). We special - * case the empty string. */ - - if (*s == 0) - return strdup("_"); - - r = new(char, strlen(s)*3 + 1); - if (!r) - return NULL; - - for (f = s, t = r; *f; f++) { - - /* Escape everything that is not a-zA-Z0-9. We also - * escape 0-9 if it's the first character */ - - if (!(*f >= 'A' && *f <= 'Z') && - !(*f >= 'a' && *f <= 'z') && - !(f > s && *f >= '0' && *f <= '9')) { - *(t++) = '_'; - *(t++) = hexchar(*f >> 4); - *(t++) = hexchar(*f); - } else - *(t++) = *f; - } - - *t = 0; - - return r; -} - -char *bus_label_unescape_n(const char *f, size_t l) { - char *r, *t; - size_t i; - - assert_return(f, NULL); - - /* Special case for the empty string */ - if (l == 1 && *f == '_') - return strdup(""); - - r = new(char, l + 1); - if (!r) - return NULL; - - for (i = 0, t = r; i < l; ++i) { - if (f[i] == '_') { - int a, b; - - if (l - i < 3 || - (a = unhexchar(f[i + 1])) < 0 || - (b = unhexchar(f[i + 2])) < 0) { - /* Invalid escape code, let's take it literal then */ - *(t++) = '_'; - } else { - *(t++) = (char) ((a << 4) | b); - i += 2; - } - } else - *(t++) = f[i]; - } - - *t = 0; - - return r; -} |