libxkbcommon/test/log.c

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/*
* Copyright © 2012 Ran Benita
*
* 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 (including the next
* paragraph) 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 <assert.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include "test.h"
#include "xkb-priv.h"
#pragma GCC diagnostic ignored "-Wmissing-format-attribute"
static const char *
log_level_to_string(enum xkb_log_level level)
{
switch (level) {
case XKB_LOG_LEVEL_CRITICAL:
return "critical";
case XKB_LOG_LEVEL_ERROR:
return "error";
case XKB_LOG_LEVEL_WARNING:
return "warning";
case XKB_LOG_LEVEL_INFO:
return "info";
case XKB_LOG_LEVEL_DEBUG:
return "debug";
}
return "unknown";
}
ATTR_PRINTF(3, 0) static void
log_fn(struct xkb_context *ctx, enum xkb_log_level level,
const char *fmt, va_list args)
{
char *s;
int size;
darray_char *ls = xkb_get_user_data(ctx);
assert(ls);
size = vasprintf(&s, fmt, args);
assert(size != -1);
darray_append_string(*ls, log_level_to_string(level));
darray_append_lit(*ls, ": ");
darray_append_string(*ls, s);
free(s);
}
int
main(void)
{
darray_char log_string;
struct xkb_context *ctx;
int ret;
ret = setenv("XKB_LOG", "warn", 1);
assert(ret == 0);
ret = setenv("XKB_VERBOSITY", "5", 1);
assert(ret == 0);
ctx = xkb_context_new(0);
assert(ctx);
darray_init(log_string);
xkb_set_user_data(ctx, &log_string);
xkb_set_log_fn(ctx, log_fn);
log_warn(ctx, "first warning: %d\n", 87);
log_info(ctx, "first info\n");
log_dbg(ctx, "first debug: %s\n", "hello");
log_err(ctx, "first error: %lu\n", 115415UL);
log_vrb(ctx, 5, "first verbose 5\n");
xkb_set_log_level(ctx, XKB_LOG_LEVEL_DEBUG);
log_warn(ctx, "second warning: %d\n", 87);
log_dbg(ctx, "second debug: %s %s\n", "hello", "world");
log_info(ctx, "second info\n");
log_err(ctx, "second error: %lu\n", 115415UL);
log_vrb(ctx, 6, "second verbose 6\n");
xkb_set_log_verbosity(ctx, 0);
xkb_set_log_level(ctx, XKB_LOG_LEVEL_CRITICAL);
log_warn(ctx, "third warning: %d\n", 87);
log_dbg(ctx, "third debug: %s %s\n", "hello", "world");
log_info(ctx, "third info\n");
log_err(ctx, "third error: %lu\n", 115415UL);
log_vrb(ctx, 0, "third verbose 0\n");
printf("%s", log_string.item);
assert(streq(log_string.item,
"warning: first warning: 87\n"
"error: first error: 115415\n"
"warning: first verbose 5\n"
"warning: second warning: 87\n"
"debug: second debug: hello world\n"
"info: second info\n"
"error: second error: 115415\n"));
xkb_context_unref(ctx);
darray_free(log_string);
return 0;
}