diff options
Diffstat (limited to 'src/common/pack.c')
-rw-r--r-- | src/common/pack.c | 212 |
1 files changed, 0 insertions, 212 deletions
diff --git a/src/common/pack.c b/src/common/pack.c index 82ac7fe..94fa3d2 100644 --- a/src/common/pack.c +++ b/src/common/pack.c | |||
@@ -35,218 +35,6 @@ typedef signed short shalf; | |||
35 | typedef signed int sword; | 35 | typedef signed int sword; |
36 | 36 | ||
37 | 37 | ||
38 | /* | ||
39 | "bhwAcslxPBHWCSLX" | ||
40 | |||
41 | Small letters: do not convert (not implemented for arrays and P) | ||
42 | Captial letters: convert from network byte order to host byte order | ||
43 | |||
44 | b - byte | ||
45 | h - half-word | ||
46 | w - word | ||
47 | a - array (32-byte unsigned long + that many bytes) | ||
48 | c - signed 8 bit value | ||
49 | s - signed 16 bit value | ||
50 | l - signed 32 bit value | ||
51 | x - signed 64 bit value | ||
52 | p - (unpack only) value is a pointer to a pointer. Generate the buffer | ||
53 | to hold the data. | ||
54 | |||
55 | prefixing with a number K means that the argument will be an array of K | ||
56 | of the arguments specified by the letter | ||
57 | */ | ||
58 | |||
59 | int | ||
60 | EXTRACTOR_common_cat_pack (void *buf, const char *fmt, ...) | ||
61 | { | ||
62 | va_list ap; | ||
63 | word blen, val; | ||
64 | int npacked; | ||
65 | unsigned int nreps, i; | ||
66 | byte *bp, *bytep; | ||
67 | half *halfp; | ||
68 | word *wordp; | ||
69 | void *arr; | ||
70 | struct cat_bvec *cbvp; | ||
71 | char *cp; | ||
72 | |||
73 | va_start (ap, fmt); | ||
74 | |||
75 | npacked = 0; | ||
76 | bp = (byte *) buf; | ||
77 | |||
78 | while (*fmt) | ||
79 | { | ||
80 | nreps = 0; | ||
81 | |||
82 | if (isdigit ( (unsigned char) *fmt)) | ||
83 | { | ||
84 | /* We use cp instead of fmt to keep the 'const' qualifier of fmt */ | ||
85 | nreps = strtoul (fmt, &cp, 0); | ||
86 | fmt = cp; | ||
87 | } | ||
88 | |||
89 | switch (*fmt) | ||
90 | { | ||
91 | case 'B': | ||
92 | case 'b': | ||
93 | case 'C': | ||
94 | case 'c': | ||
95 | if (!nreps) | ||
96 | { | ||
97 | *bp++ = va_arg (ap, int); | ||
98 | npacked += 1; | ||
99 | } | ||
100 | else | ||
101 | { | ||
102 | bytep = va_arg (ap, byte *); | ||
103 | for (i = 0; i < nreps; ++i) | ||
104 | { | ||
105 | *bp++ = bytep[i]; | ||
106 | npacked += 1; | ||
107 | } | ||
108 | } | ||
109 | break; | ||
110 | |||
111 | case 'h': | ||
112 | case 's': | ||
113 | if (!nreps) | ||
114 | { | ||
115 | val = va_arg (ap, int); | ||
116 | *bp++ = val & 0xFF; | ||
117 | *bp++ = val >> 8; | ||
118 | npacked += 2; | ||
119 | } | ||
120 | else | ||
121 | { | ||
122 | halfp = va_arg (ap, half *); | ||
123 | for (i = 0; i < nreps; ++i) | ||
124 | { | ||
125 | val = halfp[i]; | ||
126 | *bp++ = val & 0xFF; | ||
127 | *bp++ = val >> 8; | ||
128 | npacked += 2; | ||
129 | } | ||
130 | } | ||
131 | break; | ||
132 | |||
133 | case 'H': | ||
134 | case 'S': | ||
135 | if (!nreps) | ||
136 | { | ||
137 | val = va_arg (ap, int); | ||
138 | *bp++ = val >> 8; | ||
139 | *bp++ = val & 0xFF; | ||
140 | npacked += 2; | ||
141 | } | ||
142 | else | ||
143 | { | ||
144 | halfp = va_arg (ap, half *); | ||
145 | for (i = 0; i < nreps; ++i) | ||
146 | { | ||
147 | val = halfp[i]; | ||
148 | *bp++ = val >> 8; | ||
149 | *bp++ = val & 0xFF; | ||
150 | npacked += 2; | ||
151 | } | ||
152 | } | ||
153 | break; | ||
154 | |||
155 | case 'l': | ||
156 | case 'w': | ||
157 | if (!nreps) | ||
158 | { | ||
159 | val = va_arg (ap, word); | ||
160 | *bp++ = val & 0xFF; | ||
161 | *bp++ = val >> 8; | ||
162 | *bp++ = val >> 16; | ||
163 | *bp++ = val >> 24; | ||
164 | npacked += 4; | ||
165 | } | ||
166 | else | ||
167 | { | ||
168 | wordp = va_arg (ap, word *); | ||
169 | for (i = 0; i < nreps; ++i) | ||
170 | { | ||
171 | val = wordp[i]; | ||
172 | *bp++ = val & 0xFF; | ||
173 | *bp++ = val >> 8; | ||
174 | *bp++ = val >> 16; | ||
175 | *bp++ = val >> 24; | ||
176 | npacked += 4; | ||
177 | } | ||
178 | } | ||
179 | break; | ||
180 | |||
181 | case 'L': | ||
182 | case 'W': | ||
183 | if (!nreps) | ||
184 | { | ||
185 | val = va_arg (ap, word); | ||
186 | *bp++ = val >> 24; | ||
187 | *bp++ = val >> 16; | ||
188 | *bp++ = val >> 8; | ||
189 | *bp++ = val & 0xFF; | ||
190 | npacked += 4; | ||
191 | } | ||
192 | else | ||
193 | { | ||
194 | wordp = va_arg (ap, word *); | ||
195 | for (i = 0; i < nreps; ++i) | ||
196 | { | ||
197 | val = wordp[i]; | ||
198 | *bp++ = val >> 24; | ||
199 | *bp++ = val >> 16; | ||
200 | *bp++ = val >> 8; | ||
201 | *bp++ = val & 0xFF; | ||
202 | npacked += 4; | ||
203 | } | ||
204 | } | ||
205 | break; | ||
206 | |||
207 | case 'A': | ||
208 | if (!nreps) | ||
209 | { | ||
210 | blen = va_arg (ap, word); | ||
211 | arr = va_arg (ap, void *); | ||
212 | *bp++ = blen >> 24; | ||
213 | *bp++ = blen >> 16; | ||
214 | *bp++ = blen >> 8; | ||
215 | *bp++ = blen & 0xFF; | ||
216 | memmove (bp, arr, blen); | ||
217 | bp += blen; | ||
218 | npacked += blen + 4; /* +4 for the 32 bits of length field */ | ||
219 | } | ||
220 | else | ||
221 | { | ||
222 | cbvp = va_arg (ap, struct cat_bvec *); | ||
223 | for (i = 0; i < nreps; ++i) | ||
224 | { | ||
225 | blen = cbvp[i].len; | ||
226 | arr = cbvp[i].data; | ||
227 | *bp++ = blen >> 24; | ||
228 | *bp++ = blen >> 16; | ||
229 | *bp++ = blen >> 8; | ||
230 | *bp++ = blen & 0xFF; | ||
231 | memmove (bp, arr, blen); | ||
232 | bp += blen; | ||
233 | npacked += blen + 4; /* see above */ | ||
234 | } | ||
235 | } | ||
236 | break; | ||
237 | |||
238 | default: | ||
239 | va_end (ap); | ||
240 | return -1; | ||
241 | } | ||
242 | ++fmt; | ||
243 | } | ||
244 | |||
245 | va_end (ap); | ||
246 | return npacked; | ||
247 | } | ||
248 | |||
249 | |||
250 | 38 | ||
251 | int | 39 | int |
252 | EXTRACTOR_common_cat_unpack (const void *buf, const char *fmt, ...) | 40 | EXTRACTOR_common_cat_unpack (const void *buf, const char *fmt, ...) |