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       1                 :             : /*
       2                 :             :  * libdpkg - Debian packaging suite library routines
       3                 :             :  * trigname.c - trigger name handling
       4                 :             :  *
       5                 :             :  * Copyright © 2007 Canonical Ltd
       6                 :             :  * Written by Ian Jackson <ijackson@chiark.greenend.org.uk>
       7                 :             :  *
       8                 :             :  * This is free software; you can redistribute it and/or modify
       9                 :             :  * it under the terms of the GNU General Public License as published by
      10                 :             :  * the Free Software Foundation; either version 2 of the License, or
      11                 :             :  * (at your option) any later version.
      12                 :             :  *
      13                 :             :  * This is distributed in the hope that it will be useful,
      14                 :             :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      15                 :             :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      16                 :             :  * GNU General Public License for more details.
      17                 :             :  *
      18                 :             :  * You should have received a copy of the GNU General Public License
      19                 :             :  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
      20                 :             :  */
      21                 :             : 
      22                 :             : #include <config.h>
      23                 :             : #include <compat.h>
      24                 :             : 
      25                 :             : #include <dpkg/i18n.h>
      26                 :             : #include <dpkg/triglib.h>
      27                 :             : 
      28                 :             : const char *
      29                 :           9 : trig_name_is_illegal(const char *p)
      30                 :             : {
      31                 :             :         int c;
      32                 :             : 
      33         [ +  + ]:           9 :         if (!*p)
      34                 :           1 :                 return _("empty trigger names are not permitted");
      35                 :             : 
      36         [ +  + ]:          52 :         while ((c = *p++)) {
      37   [ +  +  -  + ]:          48 :                 if (c <= ' ' || c >= 0177)
      38                 :           4 :                         return _("trigger name contains invalid character");
      39                 :             :         }
      40                 :             : 
      41                 :           4 :         return NULL;
      42                 :             : }