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/*
* libdpkg - Debian packaging suite library routines
* utils.c - helper functions for dpkg
*
* Copyright © 1995, 2008 Ian Jackson <ijackson@chiark.greenend.org.uk>
*
* This 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 of the License, or
* (at your option) any later version.
*
* This 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 <https://www.gnu.org/licenses/>.
*/
#include <config.h>
#include <compat.h>
#include <string.h>
#include <dpkg/i18n.h>
#include <dpkg/dpkg.h>
int
fgets_checked(char *buf, size_t bufsz, FILE *f, const char *fn)
{
int l;
if (!fgets(buf, bufsz, f)) {
if (ferror(f))
ohshite(_("read error in '%.250s'"), fn);
return -1;
}
l = strlen(buf);
if (l == 0)
ohshit(_("fgets gave an empty string from '%.250s'"), fn);
if (buf[--l] != '\n')
ohshit(_("too-long line or missing newline in '%.250s'"), fn);
buf[l] = '\0';
return l;
}
int
fgets_must(char *buf, size_t bufsz, FILE *f, const char *fn)
{
int l = fgets_checked(buf, bufsz, f, fn);
if (l < 0)
ohshit(_("unexpected end of file reading '%.250s'"), fn);
return l;
}
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