From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 97891 invoked by alias); 2 Aug 2017 03:20:10 -0000 Mailing-List: contact newlib-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: newlib-owner@sourceware.org Received: (qmail 97633 invoked by uid 89); 2 Aug 2017 03:20:00 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-24.8 required=5.0 tests=BAYES_00,FREEMAIL_ENVFROM_END_DIGIT,FREEMAIL_FROM,GIT_PATCH_0,GIT_PATCH_1,GIT_PATCH_2,GIT_PATCH_3,RCVD_IN_BL_SPAMCOP_NET,RCVD_IN_DNSWL_NONE,RCVD_IN_SORBS_SPAM,SPF_PASS autolearn=ham version=3.3.2 spammy=1992, interruption, 1993, 1615 X-HELO: mail-pg0-f65.google.com Received: from mail-pg0-f65.google.com (HELO mail-pg0-f65.google.com) (74.125.83.65) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Wed, 02 Aug 2017 03:19:56 +0000 Received: by mail-pg0-f65.google.com with SMTP id y192so5006221pgd.1 for ; Tue, 01 Aug 2017 20:19:53 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=alaB2Osleztwmkuk++fE3+aXrcg5T4vCDSvZYiP3d5E=; b=JH6nH9xmrYoKXzwu2iCDydaR2URzDONgakJDkKRt+rt78HJlwIpWMxtm1e1FPzaSqN OFKByoyIZRIYrcfOQv7+LtB087jRGAnDrMIPUSooNvsmDvyup8Jb7cSkXWzkmz8hyrnn /X/rWgJQUE+/j7Ve97OHs9b63ExJ0Dyw9XJp6J3h18rvvpNfHzVHWoUPAlogOulHDytG YKkcTpxzQV9tuTMlYofwkaI9AR++IZ0C0qyIX4yDT2XJzIAeJYnhAqnP91ZnJpJjb4Yy 0XSondBWZhi8ki8ZKEgYVsHVSH2V6FRzQ4mhuipOGNPOCax+H/K2hfjt+EbTD+yIucmX YKgQ== X-Gm-Message-State: AIVw112zhIQqOldpVzmXTtfbNTV2Xe07SB0dCVQvu/EXjPriBV9w1iPS 1ej9ZGoFFm+M1cSj X-Received: by 10.99.44.201 with SMTP id s192mr3741356pgs.255.1501643991608; Tue, 01 Aug 2017 20:19:51 -0700 (PDT) Received: from localhost.localdomain ([203.192.233.164]) by smtp.gmail.com with ESMTPSA id t11sm24629603pfa.143.2017.08.01.20.19.48 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 01 Aug 2017 20:19:50 -0700 (PDT) From: Aditya Upadhyay To: newlib@sourceware.org Cc: Aditya Upadhyay Subject: [PATCH 1/4] Importing strtoimax inttypes method from FreeBSD. Date: Wed, 02 Aug 2017 03:20:00 -0000 Message-Id: <1501643979-32662-1-git-send-email-aadit0402@gmail.com> X-IsSubscribed: yes X-SW-Source: 2017/txt/msg00709.txt.bz2 --- newlib/libc/include/inttypes.h | 12 +++ newlib/libc/stdlib/Makefile.am | 1 + newlib/libc/stdlib/strtoimax.c | 167 +++++++++++++++++++++++++++++++++++++++++ 3 files changed, 180 insertions(+) create mode 100644 newlib/libc/stdlib/strtoimax.c diff --git a/newlib/libc/include/inttypes.h b/newlib/libc/include/inttypes.h index 25c6e99..44a1dcd 100644 --- a/newlib/libc/include/inttypes.h +++ b/newlib/libc/include/inttypes.h @@ -16,10 +16,15 @@ #include #include #include +#include "_ansi.h" #include #define __need_wchar_t #include +#if __BSD_VISIBLE +#include +#endif + #define __STRINGIFY(a) #a /* 8-bit types */ @@ -309,6 +314,8 @@ typedef struct { intmax_t rem; } imaxdiv_t; +struct _reent; + #ifdef __cplusplus extern "C" { #endif @@ -316,10 +323,15 @@ extern "C" { extern intmax_t imaxabs(intmax_t j); extern imaxdiv_t imaxdiv(intmax_t numer, intmax_t denomer); extern intmax_t strtoimax(const char *__restrict, char **__restrict, int); +extern intmax_t _strtoimax_r(struct _reent *, const char *__restrict, char **__restrict, int); extern uintmax_t strtoumax(const char *__restrict, char **__restrict, int); extern intmax_t wcstoimax(const wchar_t *__restrict, wchar_t **__restrict, int); extern uintmax_t wcstoumax(const wchar_t *__restrict, wchar_t **__restrict, int); +#if __BSD_VISIBLE +extern intmax_t strtoimax_l(const char *__restrict, char **_restrict, int, locale_t); +#endif + #ifdef __cplusplus } #endif diff --git a/newlib/libc/stdlib/Makefile.am b/newlib/libc/stdlib/Makefile.am index 7aaa7fd..64a9d43 100644 --- a/newlib/libc/stdlib/Makefile.am +++ b/newlib/libc/stdlib/Makefile.am @@ -59,6 +59,7 @@ GENERAL_SOURCES = \ sb_charsets.c \ strtod.c \ strtodg.c \ + strtoimax.c \ strtol.c \ strtorx.c \ strtoul.c \ diff --git a/newlib/libc/stdlib/strtoimax.c b/newlib/libc/stdlib/strtoimax.c new file mode 100644 index 0000000..198ced9 --- /dev/null +++ b/newlib/libc/stdlib/strtoimax.c @@ -0,0 +1,167 @@ +/*- + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * Copyright (c) 2011 The FreeBSD Foundation + * All rights reserved. + * Portions of this software were developed by David Chisnall + * under sponsorship from the FreeBSD Foundation. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +static char sccsid[] = "from @(#)strtol.c 8.1 (Berkeley) 6/4/93"; +#endif /* LIBC_SCCS and not lint */ +#include +__FBSDID("$FreeBSD: head/lib/libc/stdlib/strtoimax.c 251672 2013-06-13 00:19:30Z emaste $"); + +#include +#include +#include +#include +#include +#include +#include "../locale/setlocale.h" + +/* + * Convert a string to an intmax_t integer. + * + * Assumes that the upper and lower case + * alphabets and digits are each contiguous. + */ + +/* + *Reentrant version of strtoimax. + */ +static intmax_t +_strtoimax_l(struct _reent *rptr, const char * __restrict nptr, + char ** __restrict endptr, int base, locale_t loc) +{ + const char *s = (const unsigned char *)nptr; + uintmax_t acc; + char c; + uintmax_t cutoff; + int neg = 0, any, cutlim; + + /* + * Skip white space and pick up leading +/- sign if any. + * If base is 0, allow 0x for hex and 0 for octal, else + * assume decimal; if base is already 16, allow 0x. + */ + do { + c = *s++; + } while (isspace_l(c, loc)); + if (c == '-') { + neg = 1; + c = *s++; + } else { + neg = 0; + if (c == '+') + c = *s++; + } + if ((base == 0 || base == 16) && + c == '0' && (*s == 'x' || *s == 'X')) { + c = s[1]; + s += 2; + base = 16; + } + if (base == 0) + base = c == '0' ? 8 : 10; + + /* + * Compute the cutoff value between legal numbers and illegal + * numbers. That is the largest legal value, divided by the + * base. An input number that is greater than this value, if + * followed by a legal input character, is too big. One that + * is equal to this value may be valid or not; the limit + * between valid and invalid numbers is then based on the last + * digit. For instance, if the range for intmax_t is + * [-9223372036854775808..9223372036854775807] and the input base + * is 10, cutoff will be set to 922337203685477580 and cutlim to + * either 7 (neg==0) or 8 (neg==1), meaning that if we have + * accumulated a value > 922337203685477580, or equal but the + * next digit is > 7 (or 8), the number is too big, and we will + * return a range error. + * + * Set 'any' if any `digits' consumed; make it negative to indicate + * overflow. + */ + cutoff = neg ? -(uintmax_t)INTMAX_MIN : INTMAX_MAX; + cutlim = cutoff % base; + cutoff /= base; + for ( ; ; c = *s++) { + if (c >= '0' && c <= '9') + c -= '0'; + else if (c >= 'A' && c <= 'Z') + c -= 'A' - 10; + else if (c >= 'a' && c <= 'z') + c -= 'a' - 10; + else + break; + if (c >= base) + break; + if (any < 0 || acc > cutoff || (acc == cutoff && c > cutlim)) + any = -1; + else { + any = 1; + acc *= base; + acc += c; + } + } + if (any < 0) { + acc = neg ? INTMAX_MIN : INTMAX_MAX; + rptr->_errno = ERANGE; + } else if (!any) { +noconv: + rptr->_errno = EINVAL; + } else if (neg) + acc = -acc; + if (endptr != NULL) + *endptr = (char *)(any ? s - 1 : nptr); + return (acc); +} +intmax_t +_strtoimax_r(struct _reent *rptr, const char *__restrict nptr, + char **__restrict endptr, int base) +{ + return _strtoimax_l(rptr, nptr, endptr, base, __get_current_locale()); +} + +#ifndef _REENT_ONLY + +intmax_t +strtoimax_l(const char * __restrict nptr, char ** __restrict endptr, int base, + locale_t loc) +{ + return _strtoimax_l(_REENT, nptr, endptr, base, loc); +} +intmax_t +strtoimax(const char* __restrict nptr, char** __restrict endptr, int base) +{ + return _strtoimax_l(_REENT, nptr, endptr, base, __get_current_locale()); +} + +#endif -- 2.7.4