static PRStatus resolve_config_var(const VirtualServer* vs, const char* name, NSString& buffer, int depth, const char** ancestors)
{
for (int i = 0; i < depth; i++) {
if (!strcmp(ancestors[i], name)) {
NsprError::setErrorf(PR_INVALID_ARGUMENT_ERROR, XP_GetAdminStr(DBT_varLoopFromXToY), ancestors[depth - 1], name);
return PR_FAILURE;
}
}
const char* value = vs_lookup_config_var(vs, name);
if (!value) {
NsprError::setErrorf(PR_INVALID_ARGUMENT_ERROR, XP_GetAdminStr(DBT_undefinedVarX), name);
return PR_FAILURE;
}
if (depth >= MAX_RESOLVE_DEPTH) {
NsprError::setErrorf(PR_INVALID_ARGUMENT_ERROR, XP_GetAdminStr(DBT_maxVarDepthX), MAX_RESOLVE_DEPTH);
return PR_FAILURE;
}
ancestors[depth] = name;
depth++;
return string_substitute(vs, value, buffer, depth, ancestors);
}
NSAPI_PUBLIC char* vs_substitute_vars(const VirtualServer* vs, const char* string)
{
if (!vs || !string)
return NULL;
NSString buffer;
const char* ancestors[MAX_RESOLVE_DEPTH];
if (string_substitute(vs, string, buffer, 0, ancestors) == PR_FAILURE)
return NULL;
return STRDUP(buffer);
}
const char *
mfn_subst(MFUNARGS)
{
return string_substitute(argv[0], argv[1], argv[2], buf, BUFFER_LEN);
}
