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Diffstat (limited to 'gnu/dist/diffutils/lib/prepargs.c')
| -rw-r--r-- | gnu/dist/diffutils/lib/prepargs.c | 95 |
1 files changed, 0 insertions, 95 deletions
diff --git a/gnu/dist/diffutils/lib/prepargs.c b/gnu/dist/diffutils/lib/prepargs.c deleted file mode 100644 index 817af35280e..00000000000 --- a/gnu/dist/diffutils/lib/prepargs.c +++ /dev/null @@ -1,95 +0,0 @@ -/* $NetBSD: prepargs.c,v 1.1.1.1 2003/01/26 00:43:15 wiz Exp $ */ - -/* Parse arguments from a string and prepend them to an argv. - - Copyright (C) 1999, 2000, 2001, 2002 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 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; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA - 02111-1307, USA. */ - -/* Written by Paul Eggert <eggert@twinsun.com>. */ - -#ifdef HAVE_CONFIG_H -# include <config.h> -#endif -#include "prepargs.h" -#include <string.h> -#include <sys/types.h> -#include <xalloc.h> - -#include <ctype.h> - -/* IN_CTYPE_DOMAIN (C) is nonzero if the unsigned char C can safely be given - as an argument to <ctype.h> macros like "isspace". */ -#ifdef STDC_HEADERS -# define IN_CTYPE_DOMAIN(c) 1 -#else -# define IN_CTYPE_DOMAIN(c) ((c) <= 0177) -#endif - -#define ISSPACE(c) (IN_CTYPE_DOMAIN (c) && isspace (c)) - -/* Find the white-space-separated options specified by OPTIONS, and - using BUF to store copies of these options, set ARGV[0], ARGV[1], - etc. to the option copies. Return the number N of options found. - Do not set ARGV[N]. If ARGV is zero, do not store ARGV[0] etc. - Backslash can be used to escape whitespace (and backslashes). */ -static int -prepend_args (char const *options, char *buf, char **argv) -{ - char const *o = options; - char *b = buf; - int n = 0; - - for (;;) - { - while (ISSPACE ((unsigned char) *o)) - o++; - if (!*o) - return n; - if (argv) - argv[n] = b; - n++; - - do - if ((*b++ = *o++) == '\\' && *o) - b[-1] = *o++; - while (*o && ! ISSPACE ((unsigned char) *o)); - - *b++ = '\0'; - } -} - -/* Prepend the whitespace-separated options in OPTIONS to the argument - vector of a main program with argument count *PARGC and argument - vector *PARGV. */ -void -prepend_default_options (char const *options, int *pargc, char ***pargv) -{ - if (options) - { - char *buf = xmalloc (strlen (options) + 1); - int prepended = prepend_args (options, buf, (char **) 0); - int argc = *pargc; - char * const *argv = *pargv; - char **pp = (char **) xmalloc ((prepended + argc + 1) * sizeof *pp); - *pargc = prepended + argc; - *pargv = pp; - *pp++ = *argv++; - pp += prepend_args (options, buf, pp); - while ((*pp++ = *argv++)) - continue; - } -} |
