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usr / src / contrib / sendmail / libsm /

📁 ..
📄 Makefile(346 B)
📄 Makefile.m4(1.92 KB)
📄 README(4.42 KB)
📄 assert.c(4.13 KB)
📄 assert.html(13.86 KB)
📄 b-strcmp.c(3.4 KB)
📄 b-strl.c(5 KB)
📄 cdefs.html(2.39 KB)
📄 cf.c(1.97 KB)
📄 clock.c(13.89 KB)
📄 clrerr.c(872 B)
📄 config.c(4.47 KB)
📄 debug.c(8.91 KB)
📄 debug.html(7.68 KB)
📄 errstring.c(6.03 KB)
📄 exc.c(13.05 KB)
📄 exc.html(23.27 KB)
📄 fclose.c(3.13 KB)
📄 feof.c(961 B)
📄 ferror.c(932 B)
📄 fflush.c(3.1 KB)
📄 fget.c(2.37 KB)
📄 findfp.c(10.65 KB)
📄 flags.c(1.27 KB)
📄 fopen.c(8.3 KB)
📄 fpos.c(3.12 KB)
📄 fprintf.c(1.35 KB)
📄 fpurge.c(1.15 KB)
📄 fput.c(1.25 KB)
📄 fread.c(2.28 KB)
📄 fscanf.c(1.34 KB)
📄 fseek.c(7.25 KB)
📄 fvwrite.c(6.24 KB)
📄 fvwrite.h(740 B)
📄 fwalk.c(1.41 KB)
📄 fwrite.c(1.54 KB)
📄 gen.html(910 B)
📄 get.c(1.12 KB)
📄 glue.h(731 B)
📄 heap.c(17.29 KB)
📄 heap.html(13.07 KB)
📄 index.html(5.95 KB)
📄 inet6_ntop.c(1.1 KB)
📄 io.html(26.6 KB)
📄 ldap.c(35.72 KB)
📄 local.h(9.42 KB)
📄 makebuf.c(3.36 KB)
📄 match.c(2.77 KB)
📄 mbdb.c(16.61 KB)
📄 memstat.c(5.13 KB)
📄 mpeix.c(13.84 KB)
📄 niprop.c(4.64 KB)
📄 notify.c(3.32 KB)
📄 put.c(1.61 KB)
📄 refill.c(7.09 KB)
📄 rewind.c(1.08 KB)
📄 rpool.c(11.54 KB)
📄 rpool.html(6.08 KB)
📄 sem.c(4.41 KB)
📄 setvbuf.c(4.2 KB)
📄 shm.c(2.62 KB)
📄 signal.c(6.75 KB)
📄 smstdio.c(6.14 KB)
📄 snprintf.c(2.29 KB)
📄 sscanf.c(2.26 KB)
📄 stdio.c(9.7 KB)
📄 strcasecmp.c(3.14 KB)
📄 strdup.c(2.79 KB)
📄 strerror.c(1.27 KB)
📄 strexit.c(2.76 KB)
📄 string.c(1.29 KB)
📄 stringf.c(1.77 KB)
📄 strio.c(9.18 KB)
📄 strl.c(7.52 KB)
📄 strrevcmp.c(1.61 KB)
📄 strto.c(5.45 KB)
📄 syslogio.c(4.11 KB)
📄 t-cf.c(934 B)
📄 t-event.c(1.79 KB)
📄 t-exc.c(2.75 KB)
📄 t-fget.c(1.71 KB)
📄 t-float.c(1.78 KB)
📄 t-fopen.c(875 B)
📄 t-heap.c(1.3 KB)
📄 t-inet6_ntop.c(1.4 KB)
📄 t-match.c(1.1 KB)
📄 t-memstat.c(2.17 KB)
📄 t-notify.c(1.81 KB)
📄 t-path.c(742 B)
📄 t-qic.c(5.43 KB)
📄 t-rpool.c(1.5 KB)
📄 t-scanf.c(1.38 KB)
📄 t-sem.c(5.85 KB)
📄 t-shm.c(4.42 KB)
📄 t-smstdio.c(1.55 KB)
📄 t-string.c(968 B)
📄 t-strio.c(775 B)
📄 t-strl.c(3.53 KB)
📄 t-strrevcmp.c(994 B)
📄 t-types.c(2.7 KB)
📄 test.c(2.73 KB)
📄 ungetc.c(3.93 KB)
📄 util.c(4.46 KB)
📄 vasprintf.c(2.91 KB)
📄 vfprintf.c(24.09 KB)
📄 vfscanf.c(18.76 KB)
📄 vprintf.c(999 B)
📄 vsnprintf.c(1.87 KB)
📄 wbuf.c(2.51 KB)
📄 wsetup.c(1.88 KB)
📄 xtrap.c(653 B)

Editing: b-strcmp.c

/*
 * Copyright (c) 2000-2001, 2004 Proofpoint, Inc. and its suppliers.
 *      All rights reserved.
 *
 * By using this file, you agree to the terms and conditions set
 * forth in the LICENSE file which can be found at the top level of
 * the sendmail distribution.
 */

#include <sm/gen.h>
SM_RCSID("@(#)$Id: b-strcmp.c,v 1.15 2013-11-22 20:51:42 ca Exp $")
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
#include <sm/time.h>
#include <sm/string.h>

#define toseconds(x, y)	(x.tv_sec - y.tv_sec)
#define SIZE	512
#define LOOPS	4000000L	/* initial number of loops */
#define MAXTIME	30L	/* "maximum" time to run single test */

void fatal __P((char *));
void purpose __P((void));
int main __P((int, char *[]));

void
fatal(str)
	char *str;
{
	perror(str);
	exit(1);
}

void
purpose()
{
	printf("This program benchmarks the performance differences between\n");
	printf("strcasecmp() and sm_strcasecmp().\n");
	printf("These tests may take several minutes to complete.\n");
}

int
main(argc, argv)
	int argc;
	char *argv[];
{
	long a;
	int k;
	bool doit = false;
	long loops;
	long j;
	long one, two;
	struct timeval t1, t2;
	char src1[SIZE], src2[SIZE];

# define OPTIONS	"d"
	while ((k = getopt(argc, argv, OPTIONS)) != -1)
	{
		switch ((char) k)
		{
		  case 'd':
			doit = true;
			break;

default:
			break;
		}
	}

if (!doit)
	{
		purpose();
		printf("If you want to run it, specify -d as option.\n");
		return 0;
	}

/* Run-time comments to the user */
	purpose();
	printf("\n");
	for (k = 0; k < 3; k++)
	{
		switch (k)
		{
		  case 0:
			(void) sm_strlcpy(src1, "1234567890", SIZE);
			(void) sm_strlcpy(src2, "1234567890", SIZE);
			break;
		  case 1:
			(void) sm_strlcpy(src1, "1234567890", SIZE);
			(void) sm_strlcpy(src2, "1234567891", SIZE);
			break;
		  case 2:
			(void) sm_strlcpy(src1, "1234567892", SIZE);
			(void) sm_strlcpy(src2, "1234567891", SIZE);
			break;
		}
		printf("Test %d: strcasecmp(%s, %s) versus sm_strcasecmp()\n",
			k, src1, src2);
		loops = LOOPS;
		for (;;)
		{
			j = 0;
			if (gettimeofday(&t1, NULL) < 0)
				fatal("gettimeofday");
			for (a = 0; a < loops; a++)
				j += strcasecmp(src1, src2);
			if (gettimeofday(&t2, NULL) < 0)
				fatal("gettimeofday");
			one = toseconds(t2, t1);
			printf("\tstrcasecmp() result: %ld seconds [%ld]\n",
				one, j);

j = 0;
			if (gettimeofday(&t1, NULL) < 0)
				fatal("gettimeofday");
			for (a = 0; a < loops; a++)
				j += sm_strcasecmp(src1, src2);
			if (gettimeofday(&t2, NULL) < 0)
				fatal("gettimeofday");
			two = toseconds(t2, t1);
			printf("\tsm_strcasecmp() result: %ld seconds [%ld]\n",
				two, j);

if (abs(one - two) > 2)
				break;
			loops += loops;
			if (loops < 0L || one > MAXTIME)
			{
				printf("\t\t** results too close: no decision\n");
				break;
			}
			else
			{
				printf("\t\t** results too close redoing test %ld times **\n",
					loops);
			}
		}
	}

printf("\n\n");
	printf("Interpreting the results:\n");
	printf("\tFor differences larger than 2 seconds, the lower value is\n");
	printf("\tbetter and that function should be used for performance\n");
	printf("\treasons.\n\n");
	printf("This program will re-run the tests when the difference is\n");
	printf("less than 2 seconds.\n");
	printf("The result will vary depending on the compiler optimization\n");	printf("level used. Compiling the sendmail libsm library with a\n");
	printf("better optimization level can change the results.\n");
	return 0;
}

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Editing: b-strcmp.c

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