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Date: Wed, 08 Feb 2017 14:02:03 +0100
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Subject: php7 php_str_to_str  warning: assignment makes pointer from integer
 without a cast
From: rosenberger@taoweb.at (Torsten Rosenberger)

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