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Merged
pull merged 1 commit into from
Apr 24, 2026
+45 −9
Merged

[pull] master from ruby:master #960

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45 changes: 45 additions & 0 deletions include/ruby/internal/intern/bignum.h
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Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,10 @@
# include <stddef.h>
#endif

#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h> /* for ssize_t (note: on Windows ssize_t is */
#endif /* `#define`d in ruby/config.h) */

#include "ruby/internal/attr/nonnull.h"
#include "ruby/internal/dllexport.h"
#include "ruby/internal/value.h"
Expand Down Expand Up @@ -841,6 +845,47 @@ size_t rb_absint_numwords(VALUE val, size_t word_numbits, size_t *nlz_bits_ret);
*/
int rb_absint_singlebit_p(VALUE val);

/**
* @name Flags for rb_int_parse_cstr()
* @{
*/

/** Allows a leading sign (`+` or `-`). */
#define RB_INT_PARSE_SIGN 0x01

/** Allows underscores between digits. */
#define RB_INT_PARSE_UNDERSCORE 0x02

/** Allows a base prefix (`0x`, `0b`, `0o`, `0d`). */
#define RB_INT_PARSE_PREFIX 0x04

/** Shorthand for all of the above flags combined. */
#define RB_INT_PARSE_ALL 0x07

/** Default flags (all features enabled). */
#define RB_INT_PARSE_DEFAULT 0x07

/** @} */

/**
* Parses a C string to convert into a Ruby integer, with detailed control over
* parsing behaviour. Unlike rb_cstr_to_inum(), this function can report the
* end position of the parsed integer and the number of parsed digits.
*
* @param[in] str Pointer to the string to parse.
* @param[in] len Length of `str` in bytes, or `-1` to use `strlen(str)`.
* @param[out] endp If not `NULL`, the pointer to the first unparsed
* character is stored here on return.
* @param[out] ndigits If not `NULL`, the number of parsed digits (excluding
* prefix, sign, and underscores) is stored here.
* @param[in] base Base of conversion. `0` means auto-detect from
* prefix. `2..36` for explicit base.
* @param[in] flags Bitwise or of `RB_INT_PARSE_*` macros.
* @return A Ruby Integer (Fixnum or Bignum), or `Qnil` on parse failure
* (when no digits are found).
*/
VALUE rb_int_parse_cstr(const char *str, ssize_t len, char **endp, size_t *ndigits, int base, int flags);

RBIMPL_SYMBOL_EXPORT_END()

#endif /* RBIMPL_INTERN_BIGNUM_H */
9 changes: 0 additions & 9 deletions internal/bignum.h
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Original file line number Diff line number Diff line change
Expand Up @@ -89,14 +89,6 @@
(FL_USHIFT+3) /* bit offset of BIGNUM_EMBED_LEN_MASK */
#define BIGNUM_EMBED_LEN_MAX (BIGNUM_EMBED_LEN_MASK >> BIGNUM_EMBED_LEN_SHIFT)

enum rb_int_parse_flags {
RB_INT_PARSE_SIGN = 0x01,
RB_INT_PARSE_UNDERSCORE = 0x02,
RB_INT_PARSE_PREFIX = 0x04,
RB_INT_PARSE_ALL = 0x07,
RB_INT_PARSE_DEFAULT = 0x07,
};

struct RBignum {
struct RBasic basic;
union {
Expand Down Expand Up @@ -166,7 +158,6 @@ VALUE rb_big_divrem_gmp(VALUE x, VALUE y);
VALUE rb_big2str_gmp(VALUE x, int base);
VALUE rb_str2big_gmp(VALUE arg, int base, int badcheck);
#endif
VALUE rb_int_parse_cstr(const char *str, ssize_t len, char **endp, size_t *ndigits, int base, int flags);
RUBY_SYMBOL_EXPORT_END

#if HAVE_LONG_LONG
Expand Down