1 /* Capstone Disassembly Engine */ 2 /* By Nguyen Anh Quynh <aquynh (at) gmail.com>, 2013-2014 */ 3 4 #if !defined(_MSC_VER) || !defined(_KERNEL_MODE) 5 #include <stdint.h> 6 #endif 7 #include <stdarg.h> 8 #if defined(CAPSTONE_HAS_OSXKERNEL) 9 #include <libkern/libkern.h> 10 #else 11 #include <stdio.h> 12 #endif 13 #include <string.h> 14 15 #include <platform.h> 16 17 #include "SStream.h" 18 #include "cs_priv.h" 19 #include "utils.h" 20 21 #ifdef _MSC_VER 22 #pragma warning(disable: 4996) // disable MSVC's warning on strcpy() 23 #endif 24 25 void SStream_Init(SStream *ss) 26 { 27 ss->index = 0; 28 ss->buffer[0] = '\0'; 29 } 30 31 void SStream_concat0(SStream *ss, char *s) 32 { 33 #ifndef CAPSTONE_DIET 34 unsigned int len = (unsigned int) strlen(s); 35 36 memcpy(ss->buffer + ss->index, s, len); 37 ss->index += len; 38 ss->buffer[ss->index] = '\0'; 39 #endif 40 } 41 42 void SStream_concat(SStream *ss, const char *fmt, ...) 43 { 44 #ifndef CAPSTONE_DIET 45 va_list ap; 46 int ret; 47 48 va_start(ap, fmt); 49 ret = cs_vsnprintf(ss->buffer + ss->index, sizeof(ss->buffer) - (ss->index + 1), fmt, ap); 50 va_end(ap); 51 ss->index += ret; 52 #endif 53 } 54 55 // print number with prefix # 56 void printInt64Bang(SStream *O, int64_t val) 57 { 58 if (val >= 0) { 59 if (val > HEX_THRESHOLD) 60 SStream_concat(O, "#0x%"PRIx64, val); 61 else 62 SStream_concat(O, "#%"PRIu64, val); 63 } else { 64 if (val <- HEX_THRESHOLD) 65 SStream_concat(O, "#-0x%"PRIx64, -val); 66 else 67 SStream_concat(O, "#-%"PRIu64, -val); 68 } 69 } 70 71 void printUInt64Bang(SStream *O, uint64_t val) 72 { 73 if (val > HEX_THRESHOLD) 74 SStream_concat(O, "#0x%"PRIx64, val); 75 else 76 SStream_concat(O, "#%"PRIu64, val); 77 } 78 79 // print number 80 void printInt64(SStream *O, int64_t val) 81 { 82 if (val >= 0) { 83 if (val > HEX_THRESHOLD) 84 SStream_concat(O, "0x%"PRIx64, val); 85 else 86 SStream_concat(O, "%"PRIu64, val); 87 } else { 88 if (val <- HEX_THRESHOLD) 89 SStream_concat(O, "-0x%"PRIx64, -val); 90 else 91 SStream_concat(O, "-%"PRIu64, -val); 92 } 93 } 94 95 // print number in decimal mode 96 void printInt32BangDec(SStream *O, int32_t val) 97 { 98 if (val >= 0) 99 SStream_concat(O, "#%u", val); 100 else 101 SStream_concat(O, "#-%u", -val); 102 } 103 104 void printInt32Bang(SStream *O, int32_t val) 105 { 106 if (val >= 0) { 107 if (val > HEX_THRESHOLD) 108 SStream_concat(O, "#0x%x", val); 109 else 110 SStream_concat(O, "#%u", val); 111 } else { 112 if (val <- HEX_THRESHOLD) 113 SStream_concat(O, "#-0x%x", -val); 114 else 115 SStream_concat(O, "#-%u", -val); 116 } 117 } 118 119 void printInt32(SStream *O, int32_t val) 120 { 121 if (val >= 0) { 122 if (val > HEX_THRESHOLD) 123 SStream_concat(O, "0x%x", val); 124 else 125 SStream_concat(O, "%u", val); 126 } else { 127 if (val <- HEX_THRESHOLD) 128 SStream_concat(O, "-0x%x", -val); 129 else 130 SStream_concat(O, "-%u", -val); 131 } 132 } 133 134 void printUInt32Bang(SStream *O, uint32_t val) 135 { 136 if (val > HEX_THRESHOLD) 137 SStream_concat(O, "#0x%x", val); 138 else 139 SStream_concat(O, "#%u", val); 140 } 141 142 void printUInt32(SStream *O, uint32_t val) 143 { 144 if (val > HEX_THRESHOLD) 145 SStream_concat(O, "0x%x", val); 146 else 147 SStream_concat(O, "%u", val); 148 } 149 150 /* 151 int main() 152 { 153 SStream ss; 154 int64_t i; 155 156 SStream_Init(&ss); 157 158 SStream_concat(&ss, "hello "); 159 SStream_concat(&ss, "%d - 0x%x", 200, 16); 160 161 i = 123; 162 SStream_concat(&ss, " + %ld", i); 163 SStream_concat(&ss, "%s", "haaaaa"); 164 165 printf("%s\n", ss.buffer); 166 167 return 0; 168 } 169 */ 170
