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/*
* blogc: A blog compiler.
* Copyright (C) 2014-2019 Rafael G. Martins <rafael@rafaelmartins.eng.br>
*
* This program can be distributed under the terms of the BSD License.
* See the file LICENSE.
*/
#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include "funcvars.h"
#include "rusage.h"
#include "sysinfo.h"
#include "../common/utils.h"
static const struct func_map {
const char *variable;
const blogc_funcvars_func_t func;
} funcs[] = {
#ifdef HAVE_RUSAGE
{"BLOGC_RUSAGE_CPU_TIME", blogc_rusage_inject},
{"BLOGC_RUSAGE_MEMORY", blogc_rusage_inject},
#endif
#ifdef HAVE_SYSINFO_HOSTNAME
{"BLOGC_SYSINFO_HOSTNAME", blogc_sysinfo_inject_hostname},
#endif
{NULL, NULL},
};
char*
blogc_funcvars_lookup(const char *name, bc_trie_t *global)
{
// protect against evaluating the same function twice in the same global
// context
if (NULL != bc_trie_lookup(global, name))
return NULL;
for (size_t i = 0; funcs[i].variable != NULL; i++) {
if (0 == strcmp(name, funcs[i].variable)) {
funcs[i].func(global);
return bc_strdup(bc_trie_lookup(global, name));
}
}
return NULL;
}
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