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/*
* This file is part of libESMTP, a library for submission of RFC 2822
* formatted electronic mail messages using the SMTP protocol described
* in RFC 2821.
*
* Copyright (C) 2002 Brian Stafford <brian@stafford.uklinux.net>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <config.h>
#include <missing.h>
#undef __EXTENSIONS__
#undef _GNU_SOURCE
#undef _ISOC9X_SOURCE
#undef _OSF_SOURCE
#undef _XOPEN_SOURCE
#undef _POSIX_C_SOURCE
#ifndef HAVE_STRDUP
# include <string.h>
# include <stdlib.h>
#endif
#if !defined(HAVE_STRCASECMP) || !defined(HAVE_STRNCASECMP)
# include <ctype.h>
#endif
#ifndef HAVE_STRDUP
char *
strdup (const char *s1)
{
char *p;
p = malloc (strlen (s1) + 1);
if (p != NULL)
strcpy (p, s1);
return p;
}
#endif
#ifndef HAVE_STRCASECMP
int
strcasecmp (const char *a, const char *b)
{
register int n;
while (*a == *b || (n = tolower (*a) - tolower (*b)) == 0)
{
if (*a == '\0')
return 0;
a++, b++;
}
return n;
}
#endif
#ifndef HAVE_STRNCASECMP
int
strncasecmp (const char *a, const char *b, size_t len)
{
register int n;
if (len < 1)
return 0;
while (*a == *b || (n = tolower (*a) - tolower (*b)) == 0)
{
if (*a == '\0' || --len < 1)
return 0;
a++, b++;
}
return n;
}
#endif
#ifndef HAVE_MEMRCHR
# pragma GCC diagnostic push
# pragma GCC diagnostic ignored "-Wcast-qual"
void *
memrchr (const void *a, int c, size_t len)
{
const unsigned char *p = a;
for (p += len - 1; (const void *) p >= a; p--)
if (*p == c)
return (void *) p;
return (void *) 0;
}
# pragma GCC diagnostic pop
#endif
#ifndef HAVE_STRLCPY /* adapted from glib */
size_t
strlcpy (char *dest, const char *src, size_t dest_size)
{
char *d = dest;
const char *s = src;
size_t n = dest_size;
if (n > 0)
while (--n > 0)
if ((*d++ = *s++) == '\0')
break;
if (n == 0)
{
if (dest_size > 0)
*d = '\0';
while (*s++)
;
}
return s - src - 1;
}
#endif
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