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Trivial changes: whitespace and modes. Remote whitespace at the ends of lines. Remove blank lines from the ends of files. Change modes on source files so that they are not executable. Signed-off-by: Dan Cross <cross@gajendra.net>
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  1 02846514 2006-05-05 devnull #include <u.h>

  2 02846514 2006-05-05 devnull #include <libc.h>

  3 02846514 2006-05-05 devnull #include <venti.h>

  4 02846514 2006-05-05 devnull #include <libsec.h>

  5 02846514 2006-05-05 devnull 

  6 02846514 2006-05-05 devnull #define MAGIC 0x54798314

  7 02846514 2006-05-05 devnull #define NOTFREE(p)	assert((p)->magic == MAGIC)

  8 02846514 2006-05-05 devnull 

  9 02846514 2006-05-05 devnull struct Packet

 10 02846514 2006-05-05 devnull {

 11 02846514 2006-05-05 devnull 	char *data;

 12 02846514 2006-05-05 devnull 	int len;

 13 02846514 2006-05-05 devnull 	void (*free)(void*);

 14 02846514 2006-05-05 devnull 	void *arg;

 15 02846514 2006-05-05 devnull 	int magic;

 16 02846514 2006-05-05 devnull };

 17 02846514 2006-05-05 devnull 

 18 02846514 2006-05-05 devnull Packet*

 19 02846514 2006-05-05 devnull packetalloc(void)

 20 02846514 2006-05-05 devnull {

 21 02846514 2006-05-05 devnull 	Packet *p;

 22 fa325e9b 2020-01-10 cross 

 23 02846514 2006-05-05 devnull 	p = vtmallocz(sizeof *p);

 24 02846514 2006-05-05 devnull 	p->free = vtfree;

 25 02846514 2006-05-05 devnull 	p->arg = nil;

 26 02846514 2006-05-05 devnull 	p->magic = MAGIC;

 27 02846514 2006-05-05 devnull 	return p;

 28 02846514 2006-05-05 devnull }

 29 02846514 2006-05-05 devnull 

 30 02846514 2006-05-05 devnull void

 31 02846514 2006-05-05 devnull packetappend(Packet *p, uchar *buf, int n)

 32 02846514 2006-05-05 devnull {

 33 02846514 2006-05-05 devnull 	NOTFREE(p);

 34 02846514 2006-05-05 devnull 	if(n < 0)

 35 02846514 2006-05-05 devnull 		abort();

 36 02846514 2006-05-05 devnull 	if(p->free != vtfree)

 37 02846514 2006-05-05 devnull 		sysfatal("packetappend");

 38 02846514 2006-05-05 devnull 	p->data = vtrealloc(p->data, p->len+n);

 39 02846514 2006-05-05 devnull 	p->arg = p->data;

 40 02846514 2006-05-05 devnull 	memmove(p->data+p->len, buf, n);

 41 02846514 2006-05-05 devnull 	p->len += n;

 42 02846514 2006-05-05 devnull }

 43 02846514 2006-05-05 devnull 

 44 02846514 2006-05-05 devnull uint

 45 02846514 2006-05-05 devnull packetasize(Packet *p)

 46 02846514 2006-05-05 devnull {

 47 02846514 2006-05-05 devnull 	NOTFREE(p);

 48 02846514 2006-05-05 devnull 	return p->len;

 49 02846514 2006-05-05 devnull }

 50 02846514 2006-05-05 devnull 

 51 02846514 2006-05-05 devnull int

 52 02846514 2006-05-05 devnull packetcmp(Packet *p, Packet *q)

 53 02846514 2006-05-05 devnull {

 54 02846514 2006-05-05 devnull 	int i, len;

 55 fa325e9b 2020-01-10 cross 

 56 02846514 2006-05-05 devnull 	NOTFREE(p);

 57 02846514 2006-05-05 devnull 	NOTFREE(q);

 58 02846514 2006-05-05 devnull 	len = p->len;

 59 02846514 2006-05-05 devnull 	if(len > q->len)

 60 02846514 2006-05-05 devnull 		len = q->len;

 61 02846514 2006-05-05 devnull 	if(len && (i=memcmp(p->data, q->data, len)) != 0)

 62 02846514 2006-05-05 devnull 		return i;

 63 02846514 2006-05-05 devnull 	if(p->len > len)

 64 02846514 2006-05-05 devnull 		return 1;

 65 02846514 2006-05-05 devnull 	if(q->len > len)

 66 02846514 2006-05-05 devnull 		return -1;

 67 02846514 2006-05-05 devnull 	return 0;

 68 02846514 2006-05-05 devnull }

 69 02846514 2006-05-05 devnull 

 70 02846514 2006-05-05 devnull void

 71 02846514 2006-05-05 devnull packetconcat(Packet *p, Packet *q)

 72 02846514 2006-05-05 devnull {

 73 02846514 2006-05-05 devnull 	NOTFREE(p);

 74 02846514 2006-05-05 devnull 	NOTFREE(q);

 75 02846514 2006-05-05 devnull 	packetappend(p, q->data, q->len);

 76 02846514 2006-05-05 devnull 	if(q->free == vtfree)

 77 02846514 2006-05-05 devnull 		memset(q->data, 0xFE, q->len);

 78 02846514 2006-05-05 devnull 	q->free(q->arg);

 79 02846514 2006-05-05 devnull 	q->data = nil;

 80 02846514 2006-05-05 devnull 	q->len = 0;

 81 02846514 2006-05-05 devnull }

 82 02846514 2006-05-05 devnull 

 83 02846514 2006-05-05 devnull int

 84 02846514 2006-05-05 devnull packetconsume(Packet *p, uchar *buf, int n)

 85 02846514 2006-05-05 devnull {

 86 02846514 2006-05-05 devnull 	NOTFREE(p);

 87 02846514 2006-05-05 devnull 	if(n < 0)

 88 02846514 2006-05-05 devnull 		abort();

 89 02846514 2006-05-05 devnull 	if(p->len < n)

 90 02846514 2006-05-05 devnull 		abort();

 91 02846514 2006-05-05 devnull 	memmove(buf, p->data, n);

 92 02846514 2006-05-05 devnull 	p->len -= n;

 93 02846514 2006-05-05 devnull 	memmove(p->data, p->data+n, p->len);

 94 02846514 2006-05-05 devnull 	return 0;

 95 02846514 2006-05-05 devnull }

 96 02846514 2006-05-05 devnull 

 97 02846514 2006-05-05 devnull int

 98 02846514 2006-05-05 devnull packetcopy(Packet *p, uchar *buf, int offset, int n)

 99 02846514 2006-05-05 devnull {

100 02846514 2006-05-05 devnull 	NOTFREE(p);

101 02846514 2006-05-05 devnull 	if(offset < 0 || n < 0)

102 02846514 2006-05-05 devnull 		abort();

103 02846514 2006-05-05 devnull 	if(offset > p->len)

104 02846514 2006-05-05 devnull 		abort();

105 02846514 2006-05-05 devnull 	if(offset+n > p->len)

106 02846514 2006-05-05 devnull 		n = p->len - offset;

107 02846514 2006-05-05 devnull 	memmove(buf, p->data+offset, n);

108 02846514 2006-05-05 devnull 	return 0;

109 02846514 2006-05-05 devnull }

110 02846514 2006-05-05 devnull 

111 02846514 2006-05-05 devnull Packet*

112 02846514 2006-05-05 devnull packetdup(Packet *p, int offset, int n)

113 02846514 2006-05-05 devnull {

114 02846514 2006-05-05 devnull 	Packet *q;

115 02846514 2006-05-05 devnull 

116 02846514 2006-05-05 devnull 	NOTFREE(p);

117 02846514 2006-05-05 devnull 	if(offset < 0 || n < 0)

118 02846514 2006-05-05 devnull 		abort();

119 02846514 2006-05-05 devnull 	if(offset > p->len)

120 02846514 2006-05-05 devnull 		abort();

121 02846514 2006-05-05 devnull 	if(offset+n > p->len)

122 02846514 2006-05-05 devnull 		n = p->len - offset;

123 02846514 2006-05-05 devnull 	q = packetalloc();

124 02846514 2006-05-05 devnull 	packetappend(q, p->data+offset, n);

125 02846514 2006-05-05 devnull 	return q;

126 02846514 2006-05-05 devnull }

127 02846514 2006-05-05 devnull 

128 02846514 2006-05-05 devnull Packet*

129 02846514 2006-05-05 devnull packetforeign(uchar *buf, int n, void (*free)(void*), void *a)

130 02846514 2006-05-05 devnull {

131 02846514 2006-05-05 devnull 	Packet *p;

132 fa325e9b 2020-01-10 cross 

133 02846514 2006-05-05 devnull 	if(n < 0)

134 02846514 2006-05-05 devnull 		abort();

135 02846514 2006-05-05 devnull 	p = packetalloc();

136 02846514 2006-05-05 devnull 	p->data = (char*)buf;

137 02846514 2006-05-05 devnull 	p->len = n;

138 02846514 2006-05-05 devnull 	p->free = free;

139 02846514 2006-05-05 devnull 	p->arg = a;

140 02846514 2006-05-05 devnull 	return p;

141 02846514 2006-05-05 devnull }

142 02846514 2006-05-05 devnull 

143 02846514 2006-05-05 devnull int

144 02846514 2006-05-05 devnull packetfragments(Packet *p, IOchunk *io, int nio, int offset)

145 02846514 2006-05-05 devnull {

146 02846514 2006-05-05 devnull 	NOTFREE(p);

147 02846514 2006-05-05 devnull 	if(offset < 0)

148 02846514 2006-05-05 devnull 		abort();

149 02846514 2006-05-05 devnull 	if(nio == 0)

150 02846514 2006-05-05 devnull 		return 0;

151 02846514 2006-05-05 devnull 	memset(io, 0, sizeof(io[0])*nio);

152 02846514 2006-05-05 devnull 	if(offset >= p->len)

153 02846514 2006-05-05 devnull 		return 0;

154 02846514 2006-05-05 devnull 	io[0].addr = p->data + offset;

155 02846514 2006-05-05 devnull 	io[0].len = p->len - offset;

156 02846514 2006-05-05 devnull 	return p->len;

157 02846514 2006-05-05 devnull }

158 02846514 2006-05-05 devnull 

159 02846514 2006-05-05 devnull void

160 02846514 2006-05-05 devnull packetfree(Packet *p)

161 02846514 2006-05-05 devnull {

162 02846514 2006-05-05 devnull 	NOTFREE(p);

163 02846514 2006-05-05 devnull 	if(p->free == free)

164 02846514 2006-05-05 devnull 		memset(p->data, 0xFE, p->len);

165 02846514 2006-05-05 devnull 	p->free(p->arg);

166 02846514 2006-05-05 devnull 	p->data = nil;

167 02846514 2006-05-05 devnull 	p->len = 0;

168 02846514 2006-05-05 devnull 	memset(p, 0xFB, sizeof *p);

169 02846514 2006-05-05 devnull 	free(p);

170 02846514 2006-05-05 devnull }

171 02846514 2006-05-05 devnull 

172 02846514 2006-05-05 devnull uchar*

173 02846514 2006-05-05 devnull packetheader(Packet *p, int n)

174 02846514 2006-05-05 devnull {

175 02846514 2006-05-05 devnull 	NOTFREE(p);

176 02846514 2006-05-05 devnull 	if(n < 0)

177 02846514 2006-05-05 devnull 		abort();

178 02846514 2006-05-05 devnull 	if(n > p->len)

179 02846514 2006-05-05 devnull 		abort();

180 02846514 2006-05-05 devnull 	return p->data;

181 02846514 2006-05-05 devnull }

182 02846514 2006-05-05 devnull 

183 02846514 2006-05-05 devnull uchar*

184 02846514 2006-05-05 devnull packetpeek(Packet *p, uchar *buf, int offset, int n)

185 02846514 2006-05-05 devnull {

186 02846514 2006-05-05 devnull 	NOTFREE(p);

187 02846514 2006-05-05 devnull 	if(offset < 0 || n < 0)

188 02846514 2006-05-05 devnull 		abort();

189 02846514 2006-05-05 devnull 	if(offset+n > p->len)

190 02846514 2006-05-05 devnull 		abort();

191 02846514 2006-05-05 devnull 	return p->data+offset;

192 02846514 2006-05-05 devnull }

193 02846514 2006-05-05 devnull 

194 02846514 2006-05-05 devnull void

195 02846514 2006-05-05 devnull packetprefix(Packet *p, uchar *buf, int n)

196 02846514 2006-05-05 devnull {

197 02846514 2006-05-05 devnull 	NOTFREE(p);

198 02846514 2006-05-05 devnull 	if(n < 0)

199 02846514 2006-05-05 devnull 		abort();

200 02846514 2006-05-05 devnull 	if(p->free != free)

201 02846514 2006-05-05 devnull 		sysfatal("packetappend");

202 02846514 2006-05-05 devnull 	p->data = vtrealloc(p->data, p->len+n);

203 02846514 2006-05-05 devnull 	p->arg = p->data;

204 02846514 2006-05-05 devnull 	memmove(p->data+n, p->data, p->len);

205 02846514 2006-05-05 devnull 	memmove(p->data, buf, n);

206 02846514 2006-05-05 devnull 	p->len += n;

207 02846514 2006-05-05 devnull }

208 02846514 2006-05-05 devnull 

209 02846514 2006-05-05 devnull void

210 02846514 2006-05-05 devnull packetsha1(Packet *p, uchar d[20])

211 02846514 2006-05-05 devnull {

212 02846514 2006-05-05 devnull 	NOTFREE(p);

213 02846514 2006-05-05 devnull 	sha1((uchar*)p->data, p->len, d, nil);

214 02846514 2006-05-05 devnull }

215 02846514 2006-05-05 devnull 

216 02846514 2006-05-05 devnull uint

217 02846514 2006-05-05 devnull packetsize(Packet *p)

218 02846514 2006-05-05 devnull {

219 02846514 2006-05-05 devnull 	NOTFREE(p);

220 02846514 2006-05-05 devnull 	return p->len;

221 02846514 2006-05-05 devnull }

222 02846514 2006-05-05 devnull 

223 02846514 2006-05-05 devnull Packet*

224 02846514 2006-05-05 devnull packetsplit(Packet *p, int n)

225 02846514 2006-05-05 devnull {

226 02846514 2006-05-05 devnull 	Packet *q;

227 fa325e9b 2020-01-10 cross 

228 02846514 2006-05-05 devnull 	NOTFREE(p);

229 02846514 2006-05-05 devnull 	q = packetalloc();

230 02846514 2006-05-05 devnull 	q->data = vtmalloc(n);

231 02846514 2006-05-05 devnull 	q->arg = q->data;

232 02846514 2006-05-05 devnull 	q->free = vtfree;

233 02846514 2006-05-05 devnull 	packetconsume(p, q->data, n);

234 02846514 2006-05-05 devnull 	return q;

235 02846514 2006-05-05 devnull }

236 02846514 2006-05-05 devnull 

237 02846514 2006-05-05 devnull void

238 02846514 2006-05-05 devnull packetstats(void)

239 02846514 2006-05-05 devnull {

240 02846514 2006-05-05 devnull }

241 02846514 2006-05-05 devnull 

242 02846514 2006-05-05 devnull uchar*

243 02846514 2006-05-05 devnull packettrailer(Packet *p, int n)

244 02846514 2006-05-05 devnull {

245 02846514 2006-05-05 devnull 	NOTFREE(p);

246 02846514 2006-05-05 devnull 	if(n < 0)

247 02846514 2006-05-05 devnull 		abort();

248 02846514 2006-05-05 devnull 	if(n > p->len)

249 02846514 2006-05-05 devnull 		abort();

250 02846514 2006-05-05 devnull 	return p->data + p->len - n;

251 02846514 2006-05-05 devnull }

252 02846514 2006-05-05 devnull 

253 02846514 2006-05-05 devnull int

254 02846514 2006-05-05 devnull packettrim(Packet *p, int offset, int n)

255 02846514 2006-05-05 devnull {

256 02846514 2006-05-05 devnull 	NOTFREE(p);

257 02846514 2006-05-05 devnull 	if(offset < 0 || n < 0)

258 02846514 2006-05-05 devnull 		abort();

259 02846514 2006-05-05 devnull 	if(offset+n > p->len)

260 02846514 2006-05-05 devnull 		abort();

261 02846514 2006-05-05 devnull 	memmove(p->data+offset, p->data+offset+n, p->len-offset-n);

262 02846514 2006-05-05 devnull 	p->len -= n;

263 02846514 2006-05-05 devnull 	return 0;

264 02846514 2006-05-05 devnull }