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php7 php_str_to_str warning: assignment makes pointer from integer without a cast

php.internals

Torsten Rosenberger

9 years ago
Hello prehistory: i tried to use php_str_to_str function to replace some character insteed of use call_user_func with str_replace  in ext/standard/string.c  PHPAPI zend_string *php_str_to_str(char *haystack, size_t length, char *needle, size_t needle_len, char *str, size_t str_len); so i expect a zend_string as result ? but when i build i got a warning: assignment makes pointer from integer without a cast  buf = php_str_to_str(value,strlen(value),"y",1,"J",1);     ^ buf is: zend_string *buf; When buf is: int buf; i got no warning. i found 2 examples which looks like i have done  ext/standard/var.c win32/sendmail.c Best Regards Torsten

Nikita Popov

9 years ago
On Wed, Feb 8, 2017 at 2:02 PM, Torsten Rosenberger <rosenberger@taoweb.at> wrote:
> Hello > > prehistory: > i tried to use php_str_to_str function to replace some character > insteed of use call_user_func with str_replace > > in ext/standard/string.c > PHPAPI zend_string *php_str_to_str(char *haystack, size_t length, char > *needle, size_t needle_len, char *str, size_t str_len); > > so i expect a zend_string as result ? > but when i build i got a warning: assignment makes pointer from integer > without a cast > > buf = php_str_to_str(value,strlen(value),"y",1,"J",1); > ^ > buf is: zend_string *buf; > When buf is: int buf; i got no warning. > > i found 2 examples which looks like i have done > ext/standard/var.c > win32/sendmail.c >
You probably forgot to include the header declaring this function. If C does not have the declaration for a function, it assumes that it returns int. Nikita

Torsten Rosenberger

9 years ago
Am Mittwoch, den 08.02.2017, 14:16 +0100 schrieb Nikita Popov:
> On Wed, Feb 8, 2017 at 2:02 PM, Torsten Rosenberger <rosenberger@taow > eb.at> > wrote: > > > > > Hello > > > > prehistory: > > i tried to use php_str_to_str function to replace some character > > insteed of use call_user_func with str_replace > > > > in ext/standard/string.c > > PHPAPI zend_string *php_str_to_str(char *haystack, size_t length, > > char > > *needle, size_t needle_len, char *str, size_t str_len); > > > > so i expect a zend_string as result ? > > but when i build i got a warning: assignment makes pointer from > > integer > > without a cast > > > > buf = php_str_to_str(value,strlen(value),"y",1,"J",1); > >     ^ > > buf is: zend_string *buf; > > When buf is: int buf; i got no warning. > > > > i found 2 examples which looks like i have done > > ext/standard/var.c > > win32/sendmail.c > > > > You probably forgot to include the header declaring this function. If > C > does not have the declaration for a function, it assumes that it > returns > int. >
thank's cannot see the wood for the trees know it works but with  buf = php_str_to_str(value, value_len, "'", 1, "\\x27", 4); i get a segfault buf = php_str_to_str(value, value_len, "'", 1, "\\x2", 3); works but not as i like i want to build a js escape function  <script type='javascript'></script> should become  <script type=\x27javascript\x27></script> an so on BR/Torsten