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[Feature #18033] Make more conformant with C standard

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This commit is contained in:
Nobuyoshi Nakada 2022-11-18 14:17:10 +09:00
parent 9515179d74
commit 635fc5f7fc
Notes: git 2022-12-16 13:53:19 +00:00 
Merged: https://github.com/ruby/ruby/pull/4825
1 changed files with 3 additions and 2 deletions
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time.c
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@ -2523,9 +2523,10 @@ time_init_parse(rb_execution_context_t *ec, VALUE klass, VALUE str, VALUE zone,
rb_raise(rb_eArgError, "year must be 2 or 4+ digits: %.*s", (int)ndigits, ptr - ndigits); rb_raise(rb_eArgError, "year must be 2 or 4+ digits: %.*s", (int)ndigits, ptr - ndigits);
} }
do { do {
#define peek_n(c, n) ((ptr + n < end) && ((unsigned char)ptr[n] == (c))) #define peekable_p(n) ((ptrdiff_t)(n) < (end - ptr))
#define peek_n(c, n) (peekable_p(n) && ((unsigned char)ptr[n] == (c)))
#define peek(c) peek_n(c, 0) #define peek(c) peek_n(c, 0)
#define peekc_n(n) ((ptr + n < end) ? (int)(unsigned char)ptr[n] : -1) #define peekc_n(n) (peekable_p(n) ? (int)(unsigned char)ptr[n] : -1)
#define peekc() peekc_n(0) #define peekc() peekc_n(0)
#define expect_two_digits(x) (x = two_digits(ptr + 1, end, &ptr, #x)) #define expect_two_digits(x) (x = two_digits(ptr + 1, end, &ptr, #x))
if (!peek('-')) break; if (!peek('-')) break;