diff options
Diffstat (limited to 'chars.c')
| -rw-r--r-- | chars.c | 24 |
1 files changed, 23 insertions, 1 deletions
@@ -1,6 +1,7 @@ -/* $Id: chars.c,v 1.31 2011/01/02 10:10:57 kristaps Exp $ */ +/* $Id: chars.c,v 1.32 2011/01/30 16:05:37 schwarze Exp $ */ /* * Copyright (c) 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv> + * Copyright (c) 2011 Ingo Schwarze <schwarze@openbsd.org> * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above @@ -152,6 +153,27 @@ chars_res2cp(void *arg, const char *p, size_t sz) } +/* + * Numbered character to literal character, + * represented as a null-terminated string for additional safety. + */ +const char * +chars_num2char(const char *p, size_t sz) +{ + int i; + static char c[2]; + + if (sz > 3) + return(NULL); + i = atoi(p); + if (i < 0 || i > 255) + return(NULL); + c[0] = (char)i; + c[1] = '\0'; + return(c); +} + + /* * Special character to string array. */ |