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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 2002-2025 Free Software Foundation, Inc.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with GNU Mailutils. If not, see <http://www.gnu.org/licenses/>. */
#ifndef STR_TO_FUN
# error "STR_TO_FUN not defined"
#endif
#ifndef STR_TO_TYPE
# error "STR_TO_TYPE not defined"
#endif
#ifndef STR_TO_MAX
# error "STR_TO_MAX not defined"
#endif
static int
STR_TO_FUN (void *tgt, char const *string, char **errmsg)
{
STR_TO_TYPE *ptr = tgt;
uintmax_t v;
char *p;
errno = 0;
v = strtoumax (string, &p, 10);
if (errno)
return errno;
if (*p)
return EINVAL;
if (v <= STR_TO_MAX)
{
*ptr = (STR_TO_TYPE) v;
return 0;
}
return ERANGE;
}
#undef STR_TO_FUN
#undef STR_TO_TYPE
#undef STR_TO_MAX
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