php-ext-xlswriter/kernel/common.c

#include "include.h"

void excel_file_path(zend_string *file_name, zval *dir_path, zval *file_path)
{
    zend_string *full_path, *zstr_path;

    zstr_path = zval_get_string(dir_path);

    if (Z_STRVAL_P(dir_path)[Z_STRLEN_P(dir_path)-1] == '/') {
        full_path = zend_string_extend(zstr_path, ZSTR_LEN(zstr_path) + ZSTR_LEN(file_name), 0);
        memcpy(ZSTR_VAL(full_path)+ZSTR_LEN(zstr_path), ZSTR_VAL(file_name), ZSTR_LEN(file_name)+1);
    } else {
        full_path = zend_string_extend(zstr_path, ZSTR_LEN(zstr_path) + ZSTR_LEN(file_name) + 1, 0);
        ZSTR_VAL(full_path)[ZSTR_LEN(zstr_path)] ='/';
        memcpy(ZSTR_VAL(full_path)+ZSTR_LEN(zstr_path)+1, ZSTR_VAL(file_name), ZSTR_LEN(file_name)+1);
    }

    ZVAL_STR(file_path, full_path);
}