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libpipeline
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lib/appendstr.c
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Colin Watson
Introduce clang-format
08 ноя 2021, 01:56
08 ноя 2021, 01:56
404276e
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/* appendstr.c -- append to a dynamically allocated string Copyright (C) 1994 Markus Armbruster This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Library Public License as published by the Free Software Foundation; either version 2, 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; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #ifdef HAVE_CONFIG_H # include "config.h" #endif /* HAVE_CONFIG_H */ #include <stdarg.h> #include <string.h> #include "xalloc.h" #include "pipeline-private.h" /* append strings to first argument, which is realloced to the correct size first arg may be NULL */ char *appendstr (char *str, ...) { va_list ap; int len, newlen; char *next, *end; len = str ? strlen (str) : 0; va_start (ap, str); newlen = len + 1; while ((next = va_arg (ap, char *))) newlen += strlen (next); va_end (ap); str = xrealloc (str, newlen); end = str + len; va_start (ap, str); while ((next = va_arg (ap, char *))) { strcpy (end, next); end += strlen (next); } va_end (ap); return str; }