auto import from //depot/cupcake/@135843

1 files changed, 0 insertions, 171 deletions

diff --git a/libc/stdlib/strtoimax.c b/libc/stdlib/strtoimax.c
deleted file mode 100644
index a742eb9..0000000
--- a/libc/stdlib/strtoimax.c
+++ /dev/null
@@ -1,171 +0,0 @@
-/*	$OpenBSD: strtoimax.c,v 1.1 2006/01/13 17:58:09 millert Exp $	*/
-
-/*-
- * Copyright (c) 1992 The Regents of the University of California.
- * All rights reserved.
- *
- * 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.
- */
-
-#include <ctype.h>
-#include <errno.h>
-#include <inttypes.h>
-
-/*
- * Convert a string to an intmax_t
- *
- * Ignores `locale' stuff.  Assumes that the upper and lower case
- * alphabets and digits are each contiguous.
- */
-intmax_t
-strtoimax(const char *nptr, char **endptr, int base)
-{
-	const char *s;
-	intmax_t acc, cutoff;
-	int c;
-	int neg, 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.
-	 */
-	s = nptr;
-	do {
-		c = (unsigned char) *s++;
-	} while (isspace(c));
-	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.
-	 */
-
-	/* BIONIC: avoid division and module for common cases */
-#define  CASE_BASE(x) \
-            case x:  \
-	        if (neg) { \
-                    cutlim = INTMAX_MIN % x; \
-		    cutoff = INTMAX_MIN / x; \
-	        } else { \
-		    cutlim = INTMAX_MAX % x; \
-		    cutoff = INTMAX_MAX / x; \
-		 }; \
-		 break
-		 
-	switch (base) {
-            case 4:
-                if (neg) {
-                    cutlim = (int)(INTMAX_MIN % 4);
-                    cutoff = INTMAX_MIN / 4;
-                } else {
-                    cutlim = (int)(INTMAX_MAX % 4);
-                    cutoff = INTMAX_MAX / 4;
-                }
-                break;
-
-	    CASE_BASE(8);
-	    CASE_BASE(10);
-	    CASE_BASE(16);
-	    default:  
-	              cutoff  = neg ? INTMAX_MIN : INTMAX_MAX;
-		      cutlim  = cutoff % base;
-	              cutoff /= base;
-	}
-#undef CASE_BASE
-	
-	if (neg) {
-		if (cutlim > 0) {
-			cutlim -= base;
-			cutoff += 1;
-		}
-		cutlim = -cutlim;
-	}
-	for (acc = 0, any = 0;; c = (unsigned char) *s++) {
-		if (isdigit(c))
-			c -= '0';
-		else if (isalpha(c))
-			c -= isupper(c) ? 'A' - 10 : 'a' - 10;
-		else
-			break;
-		if (c >= base)
-			break;
-		if (any < 0)
-			continue;
-		if (neg) {
-			if (acc < cutoff || (acc == cutoff && c > cutlim)) {
-				any = -1;
-				acc = INTMAX_MIN;
-				errno = ERANGE;
-			} else {
-				any = 1;
-				acc *= base;
-				acc -= c;
-			}
-		} else {
-			if (acc > cutoff || (acc == cutoff && c > cutlim)) {
-				any = -1;
-				acc = INTMAX_MAX;
-				errno = ERANGE;
-			} else {
-				any = 1;
-				acc *= base;
-				acc += c;
-			}
-		}
-	}
-	if (endptr != 0)
-		*endptr = (char *) (any ? s - 1 : nptr);
-	return (acc);
-}