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# concat.c: dynamic string concatenation.
#
# Copyright (C) 1992, 2011 Free Software Foundation, Inc.
#
# This program 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.
#
# This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
#
#include "config.h"
/* Return the concatenation of S1 and S2. This would be a prime place
to use varargs. */
string
concat P2C(const_string, s1, const_string, s2)
{
string answer = NULL;
assert (s1 != NULL);
assert (s2 != NULL);
if (s1 != NULL && s2 != NULL)
{
answer = (string) xmalloc (strlen (s1) + strlen (s2) + 1);
strcpy (answer, s1);
strcat (answer, s2);
}
return answer;
}
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