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d4ff748224
approximation of a integral fraction of page size even if both malloc overhead and chunk header space is counted.
93 lines
1.7 KiB
C
93 lines
1.7 KiB
C
/*
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* BIRD Internet Routing Daemon -- Configuration File Handling
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*
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* (c) 1999 Martin Mares <mj@ucw.cz>
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*
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* Can be freely distributed and used under the terms of the GNU GPL.
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*/
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#include <setjmp.h>
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#include <stdarg.h>
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#include "nest/bird.h"
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#include "nest/protocol.h"
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#include "nest/iface.h"
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#include "lib/resource.h"
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#include "lib/string.h"
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#include "conf/conf.h"
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#include "filter/filter.h"
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static jmp_buf conf_jmpbuf;
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struct config *config, *new_config;
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struct config *
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config_alloc(byte *name)
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{
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pool *p = rp_new(&root_pool, "Config");
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linpool *l = lp_new(p, 4080);
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struct config *c = lp_allocz(l, sizeof(struct config));
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c->pool = p;
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cfg_mem = c->mem = l;
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init_list(&c->protos);
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c->file_name = cfg_strdup(name);
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return c;
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}
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int
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config_parse(struct config *c)
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{
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struct proto_config *p;
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debug("Parsing configuration file `%s'\n", c->file_name);
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new_config = c;
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cfg_pool = c->pool;
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cfg_mem = c->mem;
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if (setjmp(conf_jmpbuf))
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return 0;
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cf_lex_init(1);
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cf_lex_init_tables();
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protos_preconfig(c);
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cf_parse();
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filters_postconfig(); /* FIXME: Do we really need this? */
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protos_postconfig(c);
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return 1;
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}
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void
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config_free(struct config *c)
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{
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rfree(c->pool);
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}
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void
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config_commit(struct config *c)
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{
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config = c;
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protos_commit(c);
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}
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void
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cf_error(char *msg, ...)
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{
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char buf[1024];
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va_list args;
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va_start(args, msg);
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if (bvsnprintf(buf, sizeof(buf), msg, args) < 0)
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strcpy(buf, "<bug: error message too long>");
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new_config->err_msg = cfg_strdup(buf);
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new_config->err_lino = conf_lino;
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longjmp(conf_jmpbuf, 1);
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}
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char *
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cfg_strdup(char *c)
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{
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int l = strlen(c) + 1;
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char *z = cfg_allocu(l);
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memcpy(z, c, l);
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return z;
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}
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