DLL_EXPORT const char *get_symbol(const char *sym)
{
char *val;
SYMBOL_TOKEN *tok;
tok=get_symbol_token(sym,0);
if(tok==NULL)
{
val=getenv(sym);
return(val);
}
return(tok->val);
}
char *read_config_header(const char *ccan_dir, bool verbose)
{
char *fname = path_join(NULL, ccan_dir, "config.h");
char **lines;
unsigned int i;
char *config_header;
config_header = grab_file(NULL, fname);
tal_free(fname);
if (!config_header)
return NULL;
lines = tal_strsplit(config_header, config_header, "\n", STR_EMPTY_OK);
for (i = 0; i < tal_count(lines) - 1; i++) {
char *sym;
const char **line = (const char **)&lines[i];
if (!get_token(line, "#"))
continue;
if (!get_token(line, "define"))
continue;
sym = get_symbol_token(lines, line);
if (streq(sym, "CCAN_COMPILER")) {
compiler = demangle_string(lines[i]);
if (!compiler)
errx(1, "%s:%u:could not parse CCAN_COMPILER",
fname, i+1);
if (verbose)
printf("%s: compiler set to '%s'\n",
fname, compiler);
} else if (streq(sym, "CCAN_CFLAGS")) {
cflags = demangle_string(lines[i]);
if (!cflags)
errx(1, "%s:%u:could not parse CCAN_CFLAGS",
fname, i+1);
if (verbose)
printf("%s: compiler flags set to '%s'\n",
fname, cflags);
}
}
return config_header;
}
DLL_EXPORT void set_symbol(const char *sym,const char *value)
{
SYMBOL_TOKEN *tok;
tok=get_symbol_token(sym,1);
if(tok==NULL)
{
return;
}
if(tok->val!=NULL)
{
free(tok->val);
}
tok->val=malloc(strlen(value)+1);
if(tok->val==NULL)
{
return;
}
strcpy(tok->val,value);
return;
}