diff options
author | akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-06-07 10:49:12 +0000 |
---|---|---|
committer | akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-06-07 10:49:12 +0000 |
commit | de1b0c96f0a2f00c8bd3cc5d5fb054bff9905680 (patch) | |
tree | 1223f29779bc3d6420028a509725bdbf73e585cc /bignum.c | |
parent | 84d8e582494ef6d0a8581a4d42d41c68ba07bf0b (diff) | |
download | ruby-de1b0c96f0a2f00c8bd3cc5d5fb054bff9905680.tar.gz |
* bignum.c (validate_integer_format): Extracted from rb_int_export and
rb_int_import.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41144 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'bignum.c')
-rw-r--r-- | bignum.c | 42 |
1 files changed, 20 insertions, 22 deletions
@@ -537,6 +537,21 @@ rb_absint_size_in_word(VALUE val, size_t word_numbits_arg, size_t *number_of_lea return numwords; } +static void +validate_integer_format(int wordorder, size_t wordsize, int endian, size_t nails) +{ + if (wordorder != 1 && wordorder != -1) + rb_raise(rb_eArgError, "unexpected wordorder: %d", wordorder); + if (endian != 1 && endian != -1 && endian != 0) + rb_raise(rb_eArgError, "unexpected endian: %d", endian); + if (wordsize == 0) + rb_raise(rb_eArgError, "invalid wordsize: %"PRI_SIZE_PREFIX"u", wordsize); + if (SSIZE_MAX < wordsize) + rb_raise(rb_eArgError, "too big wordsize: %"PRI_SIZE_PREFIX"u", wordsize); + if (wordsize <= nails / CHAR_BIT) + rb_raise(rb_eArgError, "too big nails: %"PRI_SIZE_PREFIX"u", nails); +} + static inline void int_export_fill_dd(BDIGIT **dpp, BDIGIT **dep, BDIGIT_DBL *ddp, int *numbits_in_dd_p) { @@ -580,6 +595,7 @@ int_export_take_lowbits(int n, BDIGIT_DBL *ddp, int *numbits_in_dd_p) * This function returns words or the allocated buffer if words is NULL. * */ + void * rb_int_export(VALUE val, int *signp, size_t *wordcount_allocated, void *words, size_t wordcount, int wordorder, size_t wordsize, int endian, size_t nails) { @@ -591,18 +607,9 @@ rb_int_export(VALUE val, int *signp, size_t *wordcount_allocated, void *words, s val = rb_to_int(val); - if (wordorder != 1 && wordorder != -1) - rb_raise(rb_eArgError, "unexpected wordorder: %d", wordorder); - if (endian != 1 && endian != -1 && endian != 0) - rb_raise(rb_eArgError, "unexpected endian: %d", endian); - if (wordsize == 0) - rb_raise(rb_eArgError, "invalid wordsize: %"PRI_SIZE_PREFIX"u", wordsize); - if (SSIZE_MAX < wordsize) - rb_raise(rb_eArgError, "too big wordsize: %"PRI_SIZE_PREFIX"u", wordsize); + validate_integer_format(wordorder, wordsize, endian, nails); if (words && SIZE_MAX / wordsize < wordcount) rb_raise(rb_eArgError, "too big count * wordsize: %"PRI_SIZE_PREFIX"u * %"PRI_SIZE_PREFIX"u", wordcount, wordsize); - if (wordsize <= nails / CHAR_BIT) - rb_raise(rb_eArgError, "too big nails: %"PRI_SIZE_PREFIX"u", nails); if (endian == 0) { #ifdef WORDS_BIGENDIAN @@ -822,20 +829,11 @@ rb_int_import(int sign, const void *words, size_t wordcount, int wordorder, size BDIGIT_DBL dd; int numbits_in_dd; - if (sign != 1 && sign != 0 && sign != -1) - rb_raise(rb_eArgError, "unexpected sign: %d", sign); - if (wordorder != 1 && wordorder != -1) - rb_raise(rb_eArgError, "unexpected wordorder: %d", wordorder); - if (endian != 1 && endian != -1 && endian != 0) - rb_raise(rb_eArgError, "unexpected endian: %d", endian); - if (wordsize == 0) - rb_raise(rb_eArgError, "invalid wordsize: %"PRI_SIZE_PREFIX"u", wordsize); - if (SSIZE_MAX < wordsize) - rb_raise(rb_eArgError, "too big wordsize: %"PRI_SIZE_PREFIX"u", wordsize); + validate_integer_format(wordorder, wordsize, endian, nails); if (SIZE_MAX / wordsize < wordcount) rb_raise(rb_eArgError, "too big wordcount * wordsize: %"PRI_SIZE_PREFIX"u * %"PRI_SIZE_PREFIX"u", wordcount, wordsize); - if (wordsize <= nails / CHAR_BIT) - rb_raise(rb_eArgError, "too big nails: %"PRI_SIZE_PREFIX"u", nails); + if (sign != 1 && sign != 0 && sign != -1) + rb_raise(rb_eArgError, "unexpected sign: %d", sign); if (endian == 0) { #ifdef WORDS_BIGENDIAN |