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/*
* libdpkg - Debian packaging suite library routines
* utils.c - Helper functions for dpkg
*
* Copyright (C) 2001 Wichert Akkerman <wakkerma@debian.org>
*
* This is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public
* License version 2 as published by the Free Software Foundation.
*
* 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 dpkg; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <config.h>
#include <dpkg.h>
#include <string.h>
/* Reimplementation of the standard ctype.h is* functions. Since gettext
* has overloaded the meaning of LC_CTYPE we can't use that to force C
* locale, so use these cis* functions instead.
*/
int cisdigit(int c) {
return (c>='0') && (c<='9');
}
int cisalpha(int c) {
return ((c>='a') && (c<='z')) || ((c>='A') && (c<='Z'));
}
int
cisspace(int c)
{
return (c == '\n' || c == '\t' || c == ' ');
}
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 eof reading `%.250s'"), fn);
return l;
}
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