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 | |
25 | void SStream_Init(SStream *ss) |
26 | { |
27 | ss->index = 0; |
28 | ss->buffer[0] = '\0'; |
29 | } |
30 | |
31 | void SStream_concat0(SStream *ss, const 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 | |