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/*
* upb - a minimalist implementation of protocol buffers.
*
* Copyright (c) 2009-2012 Google Inc. See LICENSE for details.
* Author: Josh Haberman <jhaberman@gmail.com>
*/
#include <errno.h>
#include <stdarg.h>
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "upb/upb.h"
bool upb_dumptostderr(void *closure, const upb_status* status) {
UPB_UNUSED(closure);
fprintf(stderr, "%s\n", upb_status_errmsg(status));
return false;
}
// Guarantee null-termination and provide ellipsis truncation.
// It may be tempting to "optimize" this by initializing these final
// four bytes up-front and then being careful never to overwrite them,
// this is safer and simpler.
static void nullz(upb_status *status) {
const char *ellipsis = "...";
size_t len = strlen(ellipsis);
assert(sizeof(status->msg) > len);
memcpy(status->msg + sizeof(status->msg) - len, ellipsis, len);
}
void upb_status_clear(upb_status *status) {
if (!status) return;
status->ok_ = true;
status->code_ = 0;
status->msg[0] = '\0';
}
bool upb_ok(const upb_status *status) { return status->ok_; }
upb_errorspace *upb_status_errspace(const upb_status *status) {
return status->error_space_;
}
int upb_status_errcode(const upb_status *status) { return status->code_; }
const char *upb_status_errmsg(const upb_status *status) { return status->msg; }
void upb_status_seterrmsg(upb_status *status, const char *msg) {
if (!status) return;
status->ok_ = false;
strncpy(status->msg, msg, sizeof(status->msg));
nullz(status);
}
void upb_status_seterrf(upb_status *status, const char *fmt, ...) {
va_list args;
va_start(args, fmt);
upb_status_vseterrf(status, fmt, args);
va_end(args);
}
void upb_status_vseterrf(upb_status *status, const char *fmt, va_list args) {
if (!status) return;
status->ok_ = false;
vsnprintf(status->msg, sizeof(status->msg), fmt, args);
nullz(status);
}
void upb_status_seterrcode(upb_status *status, upb_errorspace *space,
int code) {
if (!status) return;
status->ok_ = false;
status->error_space_ = space;
status->code_ = code;
space->set_message(status, code);
}
void upb_status_copy(upb_status *to, const upb_status *from) {
if (!to) return;
*to = *from;
}
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