1 /* Capstone Disassembly Engine */
2 /* By Nguyen Anh Quynh <aquynh@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
SStream_Init(SStream * ss)25 void SStream_Init(SStream *ss)
26 {
27 ss->index = 0;
28 ss->buffer[0] = '\0';
29 }
30
SStream_concat0(SStream * ss,char * s)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
SStream_concat(SStream * ss,const char * fmt,...)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 #
printInt64Bang(SStream * O,int64_t val)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
printUInt64Bang(SStream * O,uint64_t val)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
printInt64(SStream * O,int64_t val)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
printInt32BangDec(SStream * O,int32_t val)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
printInt32Bang(SStream * O,int32_t val)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
printInt32(SStream * O,int32_t val)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
printUInt32Bang(SStream * O,uint32_t val)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
printUInt32(SStream * O,uint32_t val)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