urbit/outside/libuv_0.11/samples/socks5-proxy/util.c
2014-08-22 17:39:21 -04:00

73 lines
2.1 KiB
C

/* Copyright StrongLoop, Inc. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#include "defs.h"
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
static void pr_do(FILE *stream,
const char *label,
const char *fmt,
va_list ap);
void *xmalloc(size_t size) {
void *ptr;
ptr = malloc(size);
if (ptr == NULL) {
pr_err("out of memory, need %lu bytes", (unsigned long) size);
exit(1);
}
return ptr;
}
void pr_info(const char *fmt, ...) {
va_list ap;
va_start(ap, fmt);
pr_do(stdout, "info", fmt, ap);
va_end(ap);
}
void pr_warn(const char *fmt, ...) {
va_list ap;
va_start(ap, fmt);
pr_do(stderr, "warn", fmt, ap);
va_end(ap);
}
void pr_err(const char *fmt, ...) {
va_list ap;
va_start(ap, fmt);
pr_do(stderr, "error", fmt, ap);
va_end(ap);
}
static void pr_do(FILE *stream,
const char *label,
const char *fmt,
va_list ap) {
char fmtbuf[1024];
vsnprintf(fmtbuf, sizeof(fmtbuf), fmt, ap);
fprintf(stream, "%s:%s: %s\n", _getprogname(), label, fmtbuf);
}