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7 * Portions of this software were developed by David Chisnall
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34 * from @(#)strtoul.c 8.1 (Berkeley) 6/4/93
35 * $FreeBSD: head/lib/libc/stdlib/strtoumax.c 251672 2013-06-13 00:19:30Z emaste $
43 #include "xlocale_private.h"
46 * Convert a string to a uintmax_t integer.
48 * Assumes that the upper and lower case
49 * alphabets and digits are each contiguous.
52 strtoumax_l(const char * __restrict nptr, char ** __restrict endptr, int base,
63 * See strtoimax for comments as to the logic used.
68 } while (isspace_l((unsigned char)c, locale));
77 if ((base == 0 || base == 16) &&
78 c == '0' && (*s == 'x' || *s == 'X') &&
79 ((s[1] >= '0' && s[1] <= '9') ||
80 (s[1] >= 'A' && s[1] <= 'F') ||
81 (s[1] >= 'a' && s[1] <= 'f'))) {
87 base = c == '0' ? 8 : 10;
89 if (base < 2 || base > 36)
92 cutoff = UINTMAX_MAX / base;
93 cutlim = UINTMAX_MAX % base;
95 if (c >= '0' && c <= '9')
97 else if (c >= 'A' && c <= 'Z')
99 else if (c >= 'a' && c <= 'z')
105 if (any < 0 || acc > cutoff || (acc == cutoff && c > cutlim))
122 *endptr = (char *)(any ? s - 1 : nptr);
126 strtoumax(const char * __restrict nptr, char ** __restrict endptr, int base)
128 return strtoumax_l(nptr, endptr, base, __get_locale());