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/* Multiline error-reporting functions.
Copyright (C) 2001-2003, 2006, 2015-2016 Free Software Foundation, Inc.
Written by Bruno Haible <haible@clisp.cons.org>, 2001.
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>
/* Specification. */
#include "xerror.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "error.h"
#include "progname.h"
#include "error-progname.h"
#include "mbswidth.h"
/* Emit a multiline warning to stderr, consisting of MESSAGE, with the
first line prefixed with PREFIX and the remaining lines prefixed with
the same amount of spaces. Reuse the spaces of the previous call if
PREFIX is NULL. Free the PREFIX and MESSAGE when done. */
void
multiline_warning (char *prefix, char *message)
{
static int width;
const char *cp;
int i;
fflush (stdout);
cp = message;
if (prefix != NULL)
{
width = 0;
if (error_with_progname)
{
fprintf (stderr, "%s: ", program_name);
width += mbswidth (program_name, 0) + 2;
}
fputs (prefix, stderr);
width += mbswidth (prefix, 0);
free (prefix);
goto after_indent;
}
for (;;)
{
const char *np;
for (i = width; i > 0; i--)
putc (' ', stderr);
after_indent:
np = strchr (cp, '\n');
if (np == NULL || np[1] == '\0')
{
fputs (cp, stderr);
break;
}
np++;
fwrite (cp, 1, np - cp, stderr);
cp = np;
}
free (message);
}
/* Emit a multiline error to stderr, consisting of MESSAGE, with the
first line prefixed with PREFIX and the remaining lines prefixed with
the same amount of spaces. Reuse the spaces of the previous call if
PREFIX is NULL. Free the PREFIX and MESSAGE when done. */
void
multiline_error (char *prefix, char *message)
{
if (prefix != NULL)
++error_message_count;
multiline_warning (prefix, message);
}
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