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/* message.c - declaration for verbosity sensitive feedback function
Copyright 1998-2017 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, 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., 51 Franklin Street - Fifth Floor, Boston, MA
02110-1301, USA. */
#include <config.h>
#include <stdio.h>
#include <ctype.h>
#include <stdlib.h>
#include <memory.h>
#include <string.h>
/* Jim Meyering writes:
"... Some ctype macros are valid only for character codes that
isascii says are ASCII (SGI's IRIX-4.0.5 is one such system --when
using /bin/cc or gcc but without giving an ansi option). So, all
ctype uses should be through macros like ISPRINT... If
STDC_HEADERS is defined, then autoconf has verified that the ctype
macros don't need to be guarded with references to isascii. ...
Defining isascii to 1 should let any compiler worth its salt
eliminate the && through constant folding." */
#define ISASCII(c) isascii((int) c)
#define ISDIGIT(c) (ISASCII (c) && isdigit ((int) c))
/* We want strtok. */
#include "message.h"
#include "argmatch.h"
#include "getnum.h"
/* The bigger, the more verbose. Should be set by application */
unsigned int msg_verbosity = 0;
/* Decoce the ARG as a value for verbosity level, return the value.
Use OPTION as the context name when raise an error. */
#define verbosity_sep ",:;+"
/* Include the definition of the arguments/values to set the verbosity
level. */
#include "msg.c"
unsigned int
msg_verbosity_argmatch (const char *option, char *arg)
{
unsigned res = 0;
if (ISDIGIT (*arg))
{
/* The verbosity is set through an integer value */
res = (unsigned) get_integer_in_range (option, arg, 0, 0, range_min);
}
else
{
/* Keywords are used to define verbosity level */
char *token = strtok (arg, verbosity_sep);
do
{
res |= (unsigned) XARGMATCH (option, token,
_msg_verbosity_args, _msg_verbosity_types);
}
while ((token = strtok (NULL, verbosity_sep)));
}
return res;
}
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