diff options
Diffstat (limited to 'conf/cf-lex.l')
| -rw-r--r-- | conf/cf-lex.l | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/conf/cf-lex.l b/conf/cf-lex.l index cd6699fd..df0f3c1d 100644 --- a/conf/cf-lex.l +++ b/conf/cf-lex.l @@ -1,7 +1,7 @@ /* * BIRD -- Configuration Lexer * - * (c) 1998--1999 Martin Mares <mj@ucw.cz> + * (c) 1998--2000 Martin Mares <mj@ucw.cz> * * Can be freely distributed and used under the terms of the GNU GPL. */ @@ -19,6 +19,7 @@ #include "filter/filter.h" #include "conf/conf.h" #include "conf/cf-parse.tab.h" +#include "lib/string.h" static struct keyword { byte *name; @@ -231,19 +232,24 @@ cf_find_symbol(byte *c) } struct symbol * -cf_default_name(char *prefix, int *counter) +cf_default_name(char *template, int *counter) { char buf[32]; struct symbol *s; + char *perc = strchr(template, '%'); - do + for(;;) { - sprintf(buf, "%s%d", prefix, ++(*counter)); + bsprintf(buf, template, ++(*counter)); s = cf_find_sym(buf, cf_hash(buf)); - if (!s) cf_error("Unable to generate default name"); + if (!s) + break; + if (s->class == SYM_VOID) + return s; + if (!perc) + break; } - while (s->class != SYM_VOID); - return s; + cf_error("Unable to generate default name"); } void |