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📄 ChangeLog(61.03 KB)
📄 Makefile.am(4.47 KB)
📄 Makefile.in(126.5 KB)
📄 base64-test.c(2.95 KB)
📄 base64.c(3.69 KB)
📄 base64.h(1.99 KB)
📄 bswap.c(2.01 KB)
📄 chown.c(1.75 KB)
📄 cloexec.c(2.05 KB)
📄 closefrom.c(1.92 KB)
📄 concat.c(2.91 KB)
📄 copyhostent.c(3.07 KB)
📄 ct.c(2.34 KB)
📄 daemon.c(2.36 KB)
📄 doxygen.c(1.89 KB)
📄 dumpdata.c(2.62 KB)
📄 ecalloc.3(2.71 KB)
📄 ecalloc.c(1.96 KB)
📄 emalloc.c(1.91 KB)
📄 environment.c(3.76 KB)
📄 eread.c(1.9 KB)
📄 erealloc.c(1.93 KB)
📄 err.c(1.8 KB)
📄 err.hin(3.02 KB)
📄 errx.c(1.8 KB)
📄 esetenv.c(1.88 KB)
📄 estrdup.c(1.89 KB)
📄 ewrite.c(1.91 KB)
📄 fchown.c(1.75 KB)
📄 flock.c(3.82 KB)
📄 fnmatch.c(5.05 KB)
📄 fnmatch.hin(2.3 KB)
📄 freeaddrinfo.c(1.94 KB)
📄 freehostent.c(2.03 KB)
📄 gai_strerror.c(2.62 KB)
📄 get_default_username.c(2.58 KB)
📄 get_window_size.c(3.38 KB)
📄 getaddrinfo-test.c(4.04 KB)
📄 getaddrinfo.c(10.05 KB)
📄 getaddrinfo_hostspec.c(3.17 KB)
📄 getarg.3(9.56 KB)
📄 getarg.c(15.34 KB)
📄 getarg.h(3.15 KB)
📄 getcap.c(25.29 KB)
📄 getcwd.c(1.94 KB)
📄 getdtablesize.c(2.89 KB)
📄 getegid.c(1.76 KB)
📄 geteuid.c(1.76 KB)
📄 getgid.c(1.75 KB)
📄 gethostname.c(2.34 KB)
📄 getifaddrs.c(32.46 KB)
📄 getipnodebyaddr.c(2.33 KB)
📄 getipnodebyname.c(2.52 KB)
📄 getnameinfo.c(3.51 KB)
📄 getnameinfo_verified.c(3.14 KB)
📄 getopt.c(3.82 KB)
📄 getprogname.c(1.84 KB)
📄 gettimeofday.c(2.43 KB)
📄 getuid.c(1.75 KB)
📄 getusershell.c(4.47 KB)
📄 glob.c(19.59 KB)
📄 glob.hin(3.83 KB)
📄 h_errno.c(1.69 KB)
📄 hex-test.c(3.02 KB)
📄 hex.c(2.85 KB)
📄 hex.h(2.08 KB)
📄 hostent_find_fqdn.c(2.05 KB)
📄 hstrerror.c(2.54 KB)
📄 ifaddrs.hin(2.52 KB)
📄 inet_aton.c(1.94 KB)
📄 inet_ntop.c(3.97 KB)
📄 inet_pton.c(2.94 KB)
📄 initgroups.c(1.75 KB)
📄 innetgr.c(1.79 KB)
📄 install-sh(5.47 KB)
📄 iruserok.c(7.48 KB)
📄 issuid.c(2.01 KB)
📄 k_getpwnam.c(2.08 KB)
📄 k_getpwuid.c(2.07 KB)
📄 localtime_r.c(2.03 KB)
📄 lstat.c(1.76 KB)
📄 memmove.c(2.02 KB)
📄 mini_inetd.c(5.67 KB)
📄 missing(6.14 KB)
📄 mkinstalldirs(671 B)
📄 mkstemp.c(2.4 KB)
📄 ndbm_wrap.c(5.18 KB)
📄 ndbm_wrap.h(3.13 KB)
📄 net_read.c(3.13 KB)
📄 net_write.c(2.9 KB)
📄 parse_bytes-test.c(2.81 KB)
📄 parse_bytes.c(2.55 KB)
📄 parse_bytes.h(2.13 KB)
📄 parse_reply-test.c(3.49 KB)
📄 parse_time-test.c(4.07 KB)
📄 parse_time.3(4.82 KB)
📄 parse_time.c(2.49 KB)
📄 parse_time.h(2.19 KB)
📄 parse_units.c(7.41 KB)
📄 parse_units.h(2.73 KB)
📄 putenv.c(2.51 KB)
📄 qsort.c(5.35 KB)
📄 rand.c(1.84 KB)
📄 rcmd.c(1.92 KB)
📄 readv.c(2.17 KB)
📄 realloc.c(1.83 KB)
📄 recvmsg.c(2.26 KB)
📄 resolve-test.c(4.91 KB)
📄 resolve.c(21.5 KB)
📄 resolve.h(7.26 KB)
📄 rkpty.c(7.89 KB)
📄 roken-common.h(11.68 KB)
📄 roken.awk(875 B)
📄 roken.h.in(27.79 KB)
📄 roken_gethostby.c(7.26 KB)
📄 rtbl.3(6.53 KB)
📄 rtbl.c(12.11 KB)
📄 rtbl.h(3.61 KB)
📄 search.hin(1007 B)
📄 sendmsg.c(5.37 KB)
📄 setegid.c(1.9 KB)
📄 setenv.c(2.37 KB)
📄 seteuid.c(1.9 KB)
📄 setprogname.c(2.44 KB)
📄 signal.c(2.34 KB)
📄 simple_exec.c(7.51 KB)
📄 snprintf-test.c(8.16 KB)
📄 snprintf.c(14.93 KB)
📄 socket.c(7.89 KB)
📄 socket_wrapper.c(40.97 KB)
📄 socket_wrapper.h(4.52 KB)
📄 strcasecmp.c(2 KB)
📄 strcollect.c(2.64 KB)
📄 strdup.c(1.84 KB)
📄 strerror.c(2 KB)
📄 strerror_r.c(2.73 KB)
📄 strftime.c(8.32 KB)
📄 strlcat.c(2.21 KB)
📄 strlcpy.c(2.23 KB)
📄 strlwr.c(1.86 KB)
📄 strncasecmp.c(2.04 KB)
📄 strndup.c(1.96 KB)
📄 strnlen.c(1.79 KB)
📄 strpftime-test.c(6.04 KB)
📄 strpftime-test.h(2.19 KB)
📄 strpool.c(2.74 KB)
📄 strptime.c(9.21 KB)
📄 strsep.c(1.95 KB)
📄 strsep_copy.c(2.22 KB)
📄 strtok_r.c(2.05 KB)
📄 strupr.c(1.86 KB)
📄 swab.c(1.87 KB)
📄 test-mem.c(4.96 KB)
📄 test-mem.h(1.85 KB)
📄 test-readenv.c(3 KB)
📄 timegm.c(2.72 KB)
📄 timeval.c(2.34 KB)
📄 tm2time.c(2.01 KB)
📄 tsearch.c(4.17 KB)
📄 unsetenv.c(2.14 KB)
📄 unvis.c(6.39 KB)
📄 verify.c(2.1 KB)
📄 verr.c(1.79 KB)
📄 verrx.c(1.79 KB)
📄 version-script.map(3.33 KB)
📄 vis.c(11.45 KB)
📄 vis.hin(4.38 KB)
📄 vsyslog.c(3.13 KB)
📄 vwarn.c(1.77 KB)
📄 vwarnx.c(1.77 KB)
📄 warn.c(1.75 KB)
📄 warnerr.c(2.12 KB)
📄 warnx.c(1.79 KB)
📄 write_pid.c(2.65 KB)
📄 writev.c(2.15 KB)
📄 xdbm.h(1.91 KB)
📄 xfree.c(1.7 KB)

Editing: snprintf-test.c

/*
 * Copyright (c) 2000 - 2001 Kungliga Tekniska Högskolan
 * (Royal Institute of Technology, Stockholm, Sweden).
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * 3. Neither the name of KTH nor the names of its contributors may be
 *    used to endorse or promote products derived from this software without
 *    specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY KTH AND ITS CONTRIBUTORS ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KTH OR ITS CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */

#include <config.h>
#include "roken.h"
#include <limits.h>

static int
try (const char *format, ...)
{
    int ret;
    va_list ap;
    char buf1[256], buf2[256];

va_start (ap, format);
    ret = rk_vsnprintf (buf1, sizeof(buf1), format, ap);
    if (ret >= sizeof(buf1))
	errx (1, "increase buf and try again");
    va_end (ap);
    va_start (ap, format);
    vsprintf (buf2, format, ap);
    ret = strcmp (buf1, buf2);
    if (ret)
	printf ("failed: format = \"%s\", \"%s\" != \"%s\"\n",
		format, buf1, buf2);
    va_end (ap);
    return ret;
}

static int
cmp_with_sprintf_int (void)
{
    int tot = 0;
    int int_values[] = {INT_MIN, -17, -1, 0, 1, 17, 4711, 65535, INT_MAX};
    int i;

for (i = 0; i < sizeof(int_values) / sizeof(int_values[0]); ++i) {
	tot += try ("%d", int_values[i]);
	tot += try ("%x", int_values[i]);
	tot += try ("%X", int_values[i]);
	tot += try ("%o", int_values[i]);
	tot += try ("%#x", int_values[i]);
	tot += try ("%#X", int_values[i]);
	tot += try ("%#o", int_values[i]);
	tot += try ("%10d", int_values[i]);
	tot += try ("%10x", int_values[i]);
	tot += try ("%10X", int_values[i]);
	tot += try ("%10o", int_values[i]);
	tot += try ("%#10x", int_values[i]);
	tot += try ("%#10X", int_values[i]);
	tot += try ("%#10o", int_values[i]);
	tot += try ("%-10d", int_values[i]);
	tot += try ("%-10x", int_values[i]);
	tot += try ("%-10X", int_values[i]);
	tot += try ("%-10o", int_values[i]);
	tot += try ("%-#10x", int_values[i]);
	tot += try ("%-#10X", int_values[i]);
	tot += try ("%-#10o", int_values[i]);
    }
    return tot;
}

static int
cmp_with_sprintf_long (void)
{
    int tot = 0;
    long long_values[] = {LONG_MIN, -17, -1, 0, 1, 17, 4711, 65535, LONG_MAX};
    int i;

for (i = 0; i < sizeof(long_values) / sizeof(long_values[0]); ++i) {
	tot += try ("%ld", long_values[i]);
	tot += try ("%lx", long_values[i]);
	tot += try ("%lX", long_values[i]);
	tot += try ("%lo", long_values[i]);
	tot += try ("%#lx", long_values[i]);
	tot += try ("%#lX", long_values[i]);
	tot += try ("%#lo", long_values[i]);
	tot += try ("%10ld", long_values[i]);
	tot += try ("%10lx", long_values[i]);
	tot += try ("%10lX", long_values[i]);
	tot += try ("%10lo", long_values[i]);
	tot += try ("%#10lx", long_values[i]);
	tot += try ("%#10lX", long_values[i]);
	tot += try ("%#10lo", long_values[i]);
	tot += try ("%-10ld", long_values[i]);
	tot += try ("%-10lx", long_values[i]);
	tot += try ("%-10lX", long_values[i]);
	tot += try ("%-10lo", long_values[i]);
	tot += try ("%-#10lx", long_values[i]);
	tot += try ("%-#10lX", long_values[i]);
	tot += try ("%-#10lo", long_values[i]);
    }
    return tot;
}

#ifdef HAVE_LONG_LONG

/* XXX doesn't work as expected on lp64 platforms with sizeof(long
 * long) == sizeof(long) */

static int
cmp_with_sprintf_long_long (void)
{
    int tot = 0;
    long long long_long_values[] = {
	((long long)LONG_MIN) -1, LONG_MIN, -17, -1,
	0,
	1, 17, 4711, 65535, LONG_MAX, ((long long)LONG_MAX) + 1};
    int i;

for (i = 0; i < sizeof(long_long_values) / sizeof(long_long_values[0]); ++i) {
	tot += try ("%lld", long_long_values[i]);
	tot += try ("%llx", long_long_values[i]);
	tot += try ("%llX", long_long_values[i]);
	tot += try ("%llo", long_long_values[i]);
	tot += try ("%#llx", long_long_values[i]);
	tot += try ("%#llX", long_long_values[i]);
	tot += try ("%#llo", long_long_values[i]);
	tot += try ("%10lld", long_long_values[i]);
	tot += try ("%10llx", long_long_values[i]);
	tot += try ("%10llX", long_long_values[i]);
	tot += try ("%10llo", long_long_values[i]);
	tot += try ("%#10llx", long_long_values[i]);
	tot += try ("%#10llX", long_long_values[i]);
	tot += try ("%#10llo", long_long_values[i]);
	tot += try ("%-10lld", long_long_values[i]);
	tot += try ("%-10llx", long_long_values[i]);
	tot += try ("%-10llX", long_long_values[i]);
	tot += try ("%-10llo", long_long_values[i]);
	tot += try ("%-#10llx", long_long_values[i]);
	tot += try ("%-#10llX", long_long_values[i]);
	tot += try ("%-#10llo", long_long_values[i]);
    }
    return tot;
}

#endif

#if 0
static int
cmp_with_sprintf_float (void)
{
    int tot = 0;
    double double_values[] = {-99999, -999, -17.4, -4.3, -3.0, -1.5, -1,
			      0, 0.1, 0.2342374852, 0.2340007,
			      3.1415926, 14.7845, 34.24758, 9999, 9999999};
    int i;

for (i = 0; i < sizeof(double_values) / sizeof(double_values[0]); ++i) {
	tot += try ("%f", double_values[i]);
	tot += try ("%10f", double_values[i]);
	tot += try ("%.2f", double_values[i]);
	tot += try ("%7.0f", double_values[i]);
	tot += try ("%5.2f", double_values[i]);
	tot += try ("%0f", double_values[i]);
	tot += try ("%#f", double_values[i]);
	tot += try ("%e", double_values[i]);
	tot += try ("%10e", double_values[i]);
	tot += try ("%.2e", double_values[i]);
	tot += try ("%7.0e", double_values[i]);
	tot += try ("%5.2e", double_values[i]);
	tot += try ("%0e", double_values[i]);
	tot += try ("%#e", double_values[i]);
	tot += try ("%E", double_values[i]);
	tot += try ("%10E", double_values[i]);
	tot += try ("%.2E", double_values[i]);
	tot += try ("%7.0E", double_values[i]);
	tot += try ("%5.2E", double_values[i]);
	tot += try ("%0E", double_values[i]);
	tot += try ("%#E", double_values[i]);
	tot += try ("%g", double_values[i]);
	tot += try ("%10g", double_values[i]);
	tot += try ("%.2g", double_values[i]);
	tot += try ("%7.0g", double_values[i]);
	tot += try ("%5.2g", double_values[i]);
	tot += try ("%0g", double_values[i]);
	tot += try ("%#g", double_values[i]);
	tot += try ("%G", double_values[i]);
	tot += try ("%10G", double_values[i]);
	tot += try ("%.2G", double_values[i]);
	tot += try ("%7.0G", double_values[i]);
	tot += try ("%5.2G", double_values[i]);
	tot += try ("%0G", double_values[i]);
	tot += try ("%#G", double_values[i]);
    }
    return tot;
}
#endif

static int
test_null (void)
{
    return rk_snprintf (NULL, 0, "foo") != 3;
}

static int
test_sizet (void)
{
    int tot = 0;
    size_t sizet_values[] = { 0, 1, 2, 200, 4294967295u }; /* SIZE_MAX */
    char *result[] = { "0", "1", "2", "200", "4294967295" };
    int i;

for (i = 0; i < sizeof(sizet_values) / sizeof(sizet_values[0]); ++i) {
#if 0
	tot += try("%zu", sizet_values[i]);
	tot += try("%zx", sizet_values[i]);
	tot += try("%zX", sizet_values[i]);
#else
	char buf[256];
	rk_snprintf(buf, sizeof(buf), "%zu", sizet_values[i]);
	if (strcmp(buf, result[i]) != 0) {
	    printf("%s != %s", buf, result[i]);
	    tot++;
	}
#endif
    }
    return tot;
}

int
main (int argc, char **argv)
{
    int ret = 0;

ret += cmp_with_sprintf_int ();
    ret += cmp_with_sprintf_long ();
#ifdef HAVE_LONG_LONG
    ret += cmp_with_sprintf_long_long ();
#endif
    ret += test_null ();
    ret += test_sizet ();
    return ret;
}

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Editing: snprintf-test.c

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