mirrors/php-src
0
0
Fork 0
mirror of https://github.com/php/php-src.git synced 2024-11-27 11:53:33 +08:00
Code Issues Packages Projects Releases Wiki Activity

bc_raise() can return a scale lower than that passed into it. While most other bcmath calls won't, it's safest to do a quick check that we're only

Browse Source 
reducing n_scale, not increasing it.
This commit is contained in:
Sara Golemon 2003-02-06 22:18:41 +00:00
parent dc052fe0e5
commit 874661a66e
1 changed files with 14 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
ext/bcmath/bcmath.c
View File

@ -159,7 +159,8 @@ PHP_FUNCTION(bcadd)
php_str2num(&first, Z_STRVAL_PP(left) TSRMLS_CC);
php_str2num(&second, Z_STRVAL_PP(right) TSRMLS_CC);
bc_add (first, second, &result, scale);
result->n_scale = scale;
if (result->n_scale > scale)
result->n_scale = scale;
Z_STRVAL_P(return_value) = bc_num2str(result);
Z_STRLEN_P(return_value) = strlen(Z_STRVAL_P(return_value));
Z_TYPE_P(return_value) = IS_STRING;
@ -203,7 +204,8 @@ PHP_FUNCTION(bcsub)
php_str2num(&first, Z_STRVAL_PP(left) TSRMLS_CC);
php_str2num(&second, Z_STRVAL_PP(right) TSRMLS_CC);
bc_sub (first, second, &result, scale);
result->n_scale = scale;
if (result->n_scale > scale)
result->n_scale = scale;
Z_STRVAL_P(return_value) = bc_num2str(result);
Z_STRLEN_P(return_value) = strlen(Z_STRVAL_P(return_value));
Z_TYPE_P(return_value) = IS_STRING;
@ -247,7 +249,8 @@ PHP_FUNCTION(bcmul)
php_str2num(&first, Z_STRVAL_PP(left) TSRMLS_CC);
php_str2num(&second, Z_STRVAL_PP(right) TSRMLS_CC);
bc_multiply (first, second, &result, scale TSRMLS_CC);
result->n_scale = scale;
if (result->n_scale > scale)
result->n_scale = scale;
Z_STRVAL_P(return_value) = bc_num2str(result);
Z_STRLEN_P(return_value) = strlen(Z_STRVAL_P(return_value));
Z_TYPE_P(return_value) = IS_STRING;
@ -292,7 +295,8 @@ PHP_FUNCTION(bcdiv)
php_str2num(&second, Z_STRVAL_PP(right) TSRMLS_CC);
switch (bc_divide (first, second, &result, scale TSRMLS_CC)) {
case 0: /* OK */
result->n_scale = scale;
if (result->n_scale > scale)
result->n_scale = scale;
Z_STRVAL_P(return_value) = bc_num2str(result);
Z_STRLEN_P(return_value) = strlen(Z_STRVAL_P(return_value));
Z_TYPE_P(return_value) = IS_STRING;
@ -370,7 +374,8 @@ PHP_FUNCTION(bcpowmod)
php_str2num(&second, right TSRMLS_CC);
php_str2num(&mod, modulous TSRMLS_CC);
bc_raisemod(first, second, mod, &result, scale TSRMLS_CC);
result->n_scale = scale;
if (result->n_scale > scale)
result->n_scale = scale;
Z_STRVAL_P(return_value) = bc_num2str(result);
Z_STRLEN_P(return_value) = strlen(Z_STRVAL_P(return_value));
Z_TYPE_P(return_value) = IS_STRING;
@ -415,7 +420,8 @@ PHP_FUNCTION(bcpow)
php_str2num(&first, Z_STRVAL_PP(left) TSRMLS_CC);
php_str2num(&second, Z_STRVAL_PP(right) TSRMLS_CC);
bc_raise (first, second, &result, scale TSRMLS_CC);
result->n_scale = scale;
if (result->n_scale > scale)
result->n_scale = scale;
Z_STRVAL_P(return_value) = bc_num2str(result);
Z_STRLEN_P(return_value) = strlen(Z_STRVAL_P(return_value));
Z_TYPE_P(return_value) = IS_STRING;
@ -455,7 +461,8 @@ PHP_FUNCTION(bcsqrt)
bc_init_num(&result TSRMLS_CC);
php_str2num(&result, Z_STRVAL_PP(left) TSRMLS_CC);
if (bc_sqrt (&result, scale TSRMLS_CC) != 0) {
result->n_scale = scale;
if (result->n_scale > scale)
result->n_scale = scale;
Z_STRVAL_P(return_value) = bc_num2str(result);
Z_STRLEN_P(return_value) = strlen(Z_STRVAL_P(return_value));
Z_TYPE_P(return_value) = IS_STRING;