1/* 2 * Copyright 2017, Data61 3 * Commonwealth Scientific and Industrial Research Organisation (CSIRO) 4 * ABN 41 687 119 230. 5 * 6 * This software may be distributed and modified according to the terms of 7 * the BSD 2-Clause license. Note that NO WARRANTY is provided. 8 * See "LICENSE_BSD2.txt" for details. 9 * 10 * @TAG(DATA61_BSD) 11 */ 12 13#include <stddef.h> 14#include <stdio.h> 15#include <utils/attribute.h> 16#include <utils/xml.h> 17 18#define PRINT(s) (print == NULL ? printf("%s", (s)) : print(arg, "%s", (s))) 19 20int 21utils_put_xml_escape(const char *string, 22 int (*print)(void *arg, const char *format, ...) FORMAT(printf, 2, 3), 23 void *arg) 24{ 25 26 int ret = 0; 27 28 while (*string != '\0') { 29 30 switch (*string) { 31 32 case '"': 33 ret += PRINT("""); 34 break; 35 36 case '\'': 37 ret += PRINT("'"); 38 break; 39 40 case '<': 41 ret += PRINT("<"); 42 break; 43 44 case '>': 45 ret += PRINT(">"); 46 break; 47 48 case '&': 49 ret += PRINT("&"); 50 break; 51 52 default: 53 if (print == NULL) { 54 putchar(*string); 55 ret++; 56 } else { 57 ret += print(arg, "%c", *string); 58 } 59 } 60 61 string++; 62 } 63 64 return ret; 65} 66