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/*
* Copyright (c) 2012 Tim Ruehsen
* Copyright (c) 2015-2024 Free Software Foundation, Inc.
*
* This file is part of Wget.
*
* Wget is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Wget is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Wget. If not, see <https://www.gnu.org/licenses/>.
*
*
* testing performance of buffer printf routines
*
* Changelog
* 06.07.2012 Tim Ruehsen created
*
*/
#include <config.h>
#include <stdio.h>
#include <wget.h>
int main(void)
{
wget_buffer buf;
char sbuf[128];
wget_buffer_init(&buf, sbuf, sizeof(sbuf));
for (unsigned it = 0; it < 10000000; it++) {
// buffer: 0.239s libc: 0.018s (gcc replaces sprintf(%s) by strcpy())
// snprintf(sbuf,sizeof(sbuf),"%s", "teststring sabbeldi heidewitzka\n");
// buffer_printf(&buf,"%s", "teststring sabbeldi heidewitzka\n");
// buffer: 0.306s libc: 1.040s
// sprintf(sbuf,"%s\n", "teststring sabbeldi heidewitzka\n");
// buffer_printf(&buf,"%s\n", "teststring sabbeldi heidewitzka\n");
// function call and loop overhead: buffer: 0.072s libc: 0.390s
// buffer_printf(&buf, "", "teststring sabbeldi heidewitzka\n");
// sprintf(sbuf, "", "teststring sabbeldi heidewitzka\n");
// buffer: 0.392s libc: 0.838s
// sprintf(sbuf,"%.*s\n", 17, "teststring sabbeldi heidewitzka\n");
// buffer_printf(&buf,"%.*s\n", 17, "teststring sabbeldi heidewitzka\n");
// buffer: 0.407s libc: 0.960s
// sprintf(sbuf,"%d\n", it);
// buffer_printf(&buf,"%d\n", it);
// buffer: 0.643s libc/sprintf: 1.251s libc/snprintf: 1.253s
// snprintf(sbuf,sizeof(sbuf),"%10.*d\n", 8, it);
// sprintf(sbuf,"%10.*d\n", 8, it);
// buffer_printf(&buf,"%10.*d\n", 8, it);
// buffer: 0.456s libc: 0.867s
// sprintf(sbuf,"%X\n", it);
wget_buffer_printf(&buf, "%X\n", it);
// buffer: 0.955s libc: 1.648s
// sprintf(sbuf,"teststring %s sabbeldi %d\n", "[foobar foobar foobar]", it);
// buffer_printf(&buf,"teststring %s sabbeldi %d\n", "[foobar foobar foobar]", it);
}
wget_buffer_deinit(&buf);
return 0;
}
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