1 #include "tests.h" 2 3 #include <stdio.h> 4 #include <stdlib.h> 5 #include <string.h> 6 7 /* 8 * Based on string_quote() from util.c. 9 * Assumes instr is NUL-terminated. 10 */ 11 12 void print_quoted_string(const char * instr)13print_quoted_string(const char *instr) 14 { 15 print_quoted_memory(instr, strlen(instr)); 16 } 17 18 void print_quoted_memory(const char * instr,const size_t len)19print_quoted_memory(const char *instr, const size_t len) 20 { 21 const unsigned char *str = (const unsigned char*) instr; 22 size_t i; 23 24 for (i = 0; i < len; ++i) { 25 const int c = str[i]; 26 switch (c) { 27 case '\"': 28 printf("\\\""); 29 break; 30 case '\\': 31 printf("\\\\"); 32 break; 33 case '\f': 34 printf("\\f"); 35 break; 36 case '\n': 37 printf("\\n"); 38 break; 39 case '\r': 40 printf("\\r"); 41 break; 42 case '\t': 43 printf("\\t"); 44 break; 45 case '\v': 46 printf("\\v"); 47 break; 48 default: 49 if (c >= ' ' && c <= 0x7e) 50 putchar(c); 51 else { 52 putchar('\\'); 53 54 char c1 = '0' + (c & 0x7); 55 char c2 = '0' + ((c >> 3) & 0x7); 56 char c3 = '0' + (c >> 6); 57 58 if (*str >= '0' && *str <= '9') { 59 /* Print \octal */ 60 putchar(c3); 61 putchar(c2); 62 } else { 63 /* Print \[[o]o]o */ 64 if (c3 != '0') 65 putchar(c3); 66 if (c3 != '0' || c2 != '0') 67 putchar(c2); 68 } 69 putchar(c1); 70 } 71 break; 72 } 73 } 74 75 } 76