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Fold conv package into fmt

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Both packages had nearly identical dependency requirements, so merging
them should help reduce the complexity of the build graph.
This commit is contained in:
Justine Tunney 2020-12-09 15:04:54 -08:00
parent 978b7858f9
commit 1fc91f3580
203 changed files with 352 additions and 563 deletions
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38
libc/fmt/strtonum.c Normal file
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/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2020 Justine Alexandra Roberts Tunney │
│ │
│ 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; version 2 of the License. │
│ │
│ 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, write to the Free Software │
│ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA │
│ 02110-1301 USA │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/fmt/conv.h"
#include "libc/str/str.h"
#include "libc/sysv/errfuns.h"
/**
* Converts string to integer, the BSD way.
*/
long long strtonum(const char *nptr, long long minval, long long maxval,
const char **errstr) {
char *end;
intmax_t res = strtoimax(nptr, &end, 10);
if (res < minval || res > maxval || end != nptr + strlen(nptr)) {
if (errstr) *errstr = "bad number";
return einval();
} else {
if (errstr) *errstr = NULL;
return res;
}
}