diff options
Diffstat (limited to 'libc/stdlib/strtonum.c')
-rw-r--r-- | libc/stdlib/strtonum.c | 68 |
1 files changed, 0 insertions, 68 deletions
diff --git a/libc/stdlib/strtonum.c b/libc/stdlib/strtonum.c deleted file mode 100644 index 6dccd97..0000000 --- a/libc/stdlib/strtonum.c +++ /dev/null @@ -1,68 +0,0 @@ -/*- - * Copyright (c) 2004 Ted Unangst and Todd Miller - * All rights reserved. - * - * Permission to use, copy, modify, and distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR - * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN - * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF - * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - * - * $OpenBSD: strtonum.c,v 1.6 2004/08/03 19:38:01 millert Exp $ - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include <errno.h> -#include <limits.h> -#include <stdlib.h> - -#define INVALID 1 -#define TOOSMALL 2 -#define TOOLARGE 3 - -long long -strtonum(const char *numstr, long long minval, long long maxval, - const char **errstrp) -{ - long long ll = 0; - char *ep; - int error = 0; - struct errval { - const char *errstr; - int err; - } ev[4] = { - { NULL, 0 }, - { "invalid", EINVAL }, - { "too small", ERANGE }, - { "too large", ERANGE }, - }; - - ev[0].err = errno; - errno = 0; - if (minval > maxval) - error = INVALID; - else { - ll = strtoll(numstr, &ep, 10); - if (errno == EINVAL || numstr == ep || *ep != '\0') - error = INVALID; - else if ((ll == LLONG_MIN && errno == ERANGE) || ll < minval) - error = TOOSMALL; - else if ((ll == LLONG_MAX && errno == ERANGE) || ll > maxval) - error = TOOLARGE; - } - if (errstrp != NULL) - *errstrp = ev[error].errstr; - errno = ev[error].err; - if (error) - ll = 0; - - return (ll); -} |