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| author | Adam Harvey <aharvey@php.net> | 2010-09-15 10:51:55 +0000 |
|---|---|---|
| committer | Adam Harvey <aharvey@php.net> | 2010-09-15 10:51:55 +0000 |
| commit | 416240947b3d8de473e5e9c777ae941095382638 (patch) | |
| tree | ca6b12562cff68d7570d06a6be09255ed18b1649 /ext/gmp | |
| parent | 0dc0d76854a82f493a2ab2f99178bbc6c005641f (diff) | |
| download | php-git-416240947b3d8de473e5e9c777ae941095382638.tar.gz | |
Fix bug #52849 (GNU MP invalid version match).
Diffstat (limited to 'ext/gmp')
| -rw-r--r-- | ext/gmp/gmp.c | 27 |
1 files changed, 17 insertions, 10 deletions
diff --git a/ext/gmp/gmp.c b/ext/gmp/gmp.c index f53dcd6526..8c453ab9b5 100644 --- a/ext/gmp/gmp.c +++ b/ext/gmp/gmp.c @@ -316,6 +316,14 @@ static void _php_gmpnum_free(zend_rsrc_list_entry *rsrc TSRMLS_DC); #define GMP_ROUND_PLUSINF 1 #define GMP_ROUND_MINUSINF 2 +/* The maximum base for input and output conversions is 62 from GMP 4.2 + * onwards. */ +#if (__GNU_MP_VERSION >= 5) || (__GNU_MP_VERSION >= 4 && __GNU_MP_VERSION_MINOR >= 2) +# define MAX_BASE 62 +#else +# define MAX_BASE 36 +#endif + /* {{{ gmp_emalloc */ static void *gmp_emalloc(size_t size) @@ -753,12 +761,8 @@ ZEND_FUNCTION(gmp_init) return; } -#if (__GNU_MP_VERSION >= 4 && __GNU_MP_VERSION_MINOR >= 2) - if (base && (base < 2 || base > 62)) { -#else - if (base && (base < 2 || base > 36)) { -#endif - php_error_docref(NULL TSRMLS_CC, E_WARNING, "Bad base for conversion: %ld (should be between 2 and 36)", base); + if (base && (base < 2 || base > MAX_BASE)) { + php_error_docref(NULL TSRMLS_CC, E_WARNING, "Bad base for conversion: %ld (should be between 2 and %d)", base, MAX_BASE); RETURN_FALSE; } @@ -807,12 +811,15 @@ ZEND_FUNCTION(gmp_strval) return; } -#if __GNU_MP_VERSION >= 4 && __GNU_MP_VERSION_MINOR >= 2 - if ((base < 2 && base > -2) || base > 62 || base < -36) { +#if MAX_BASE == 62 + /* Although the maximum base in general in GMP >= 4.2 is 62, mpz_get_str() + * is explicitly limited to -36 when dealing with negative bases. */ + if ((base < 2 && base > -2) || base > MAX_BASE || base < -36) { + php_error_docref(NULL TSRMLS_CC, E_WARNING, "Bad base for conversion: %ld (should be between 2 and %d or -2 and -36)", base, MAX_BASE); #else - if (base < 2 || base > 36) { + if (base < 2 || base > MAX_BASE) { + php_error_docref(NULL TSRMLS_CC, E_WARNING, "Bad base for conversion: %ld (should be between 2 and %d)", base, MAX_BASE); #endif - php_error_docref(NULL TSRMLS_CC, E_WARNING, "Bad base for conversion: %ld", base); RETURN_FALSE; } |