src/str.h

   1 /* append a string */
   2 /* Copyright (c) Olly Betts 1999, 2001, 2012, 2014
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  17  */
  18
  19 #include "osalloc.h"
  20
  21 void s_cat(char **pstr, int *plen, const char *s);
  22
  23 void s_catlen(char **pstr, int *plen, const char *s, int s_len);
  24
  25 /* append a character */
  26 void s_catchar(char **pstr, int *plen, char /*ch*/);
  27
  28 /* truncate string to zero length */
  29 #define s_zero(P) do { \
  30         char **s_zero__P = (P); \
  31         if (*s_zero__P) **s_zero__P = '\0'; \
  32     } while (0)
  33
  34 #define s_free(P) do { \
  35         char **s_free__P = (P); \
  36         if (*s_free__P) { \
  37             osfree(*s_free__P); \
  38             *s_free__P = NULL; \
  39         } \
  40     } while (0)