tdat.h - plan9port - [fork] Plan 9 from user space
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tdat.h (4304B)
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1 typedef struct Message Message;
2 struct Message
3 {
4 int id;
5 int refs;
6 int subname;
7 char name[Elemlen];
8
9 // pointers into message
10 char *start; // start of message
11 char *end; // end of message
12 char *header; // start of header
13 char *hend; // end of header
14 int hlen; // length of header minus ignored fields
15 char *mheader; // start of mime header
16 char *mhend; // end of mime header
17 char *body; // start of body
18 char *bend; // end of body
19 char *rbody; // raw (unprocessed) body
20 char *rbend; // end of raw (unprocessed) body
21 char *lim;
22 char deleted;
23 char inmbox;
24 char mallocd; // message is malloc'd
25 char ballocd; // body is malloc'd
26 char hallocd; // header is malloce'd
27
28 // mail info
29 String *unixheader;
30 String *unixfrom;
31 String *unixdate;
32 String *from822;
33 String *sender822;
34 String *to822;
35 String *bcc822;
36 String *cc822;
37 String *replyto822;
38 String *date822;
39 String *inreplyto822;
40 String *subject822;
41 String *messageid822;
42 String *addrs;
43 String *mimeversion;
44 String *sdigest;
45
46 // mime info
47 String *boundary;
48 String *type;
49 int encoding;
50 int disposition;
51 String *charset;
52 String *filename;
53 int converted;
54 int decoded;
55 char lines[10]; // number of lines in rawbody
56
57 Message *next; // same level
58 Message *part; // down a level
59 Message *whole; // up a level
60
61 uchar digest[SHA1dlen];
62
63 vlong imapuid; // used by imap4
64
65 char uidl[80]; // used by pop3
66 int mesgno;
67 };
68
69 enum
70 {
71 // encodings
72 Enone= 0,
73 Ebase64,
74 Equoted,
75
76 // disposition possibilities
77 Dnone= 0,
78 Dinline,
79 Dfile,
80 Dignore,
81
82 PAD64= '='
83 };
84
85 typedef struct Mailbox Mailbox;
86 struct Mailbox
87 {
88 QLock ql; /* jpc named Qlock */
89 int refs;
90 Mailbox *next;
91 int id;
92 int dolock; // lock when syncing?
93 int std;
94 char name[Elemlen];
95 char path[Pathlen];
96 Dir *d;
97 Message *root;
98 int vers; // goes up each time mailbox is read
99
100 ulong waketime;
101 char *(*sync)(Mailbox*, int);
102 void (*close)(Mailbox*);
103 char *(*fetch)(Mailbox*, Message*);
104 char *(*ctl)(Mailbox*, int, char**);
105 void *aux; // private to Mailbox implementation
106 };
107
108 typedef char *Mailboxinit(Mailbox*, char*);
109
110 extern Message *root;
111 extern Mailboxinit plan9mbox;
112 extern Mailboxinit pop3mbox;
113 extern Mailboxinit imap4mbox;
114
115 char* syncmbox(Mailbox*, int);
116 char* geterrstr(void);
117 void* emalloc(ulong);
118 void* erealloc(void*, ulong);
119 Message* newmessage(Message*);
120 void delmessage(Mailbox*, Message*);
121 void delmessages(int, char**);
122 int newid(void);
123 void mailplumb(Mailbox*, Message*, int);
124 char* newmbox(char*, char*, int);
125 void freembox(char*);
126 void logmsg(char*, Message*);
127 void msgincref(Message*);
128 void msgdecref(Mailbox*, Message*);
129 void mboxincref(Mailbox*);
130 void mboxdecref(Mailbox*);
131 void convert(Message*);
132 void decode(Message*);
133 int cistrncmp(char*, char*, int);
134 int cistrcmp(char*, char*);
135 int latin1toutf(char*, char*, char*);
136 int windows1257toutf(char*, char*, char*);
137 int decquoted(char*, char*, char*);
138 int xtoutf(char*, char**, char*, char*);
139 void countlines(Message*);
140 int headerlen(Message*);
141 void parse(Message*, int, Mailbox*, int);
142 void parseheaders(Message*, int, Mailbox*, int);
143 void parsebody(Message*, Mailbox*);
144 void parseunix(Message*);
145 String* date822tounix(char*);
146 int fidmboxrefs(Mailbox*);
147 int hashmboxrefs(Mailbox*);
148 void checkmboxrefs(void);
149
150 extern int debug;
151 extern int fflag;
152 extern int logging;
153 extern char user[Elemlen];
154 extern char stdmbox[Pathlen];
155 extern QLock mbllock;
156 extern Mailbox *mbl;
157 extern char *mntpt;
158 extern int biffing;
159 extern int plumbing;
160 extern char* Enotme;
161
162 enum
163 {
164 /* mail subobjects */
165 Qbody,
166 Qbcc,
167 Qcc,
168 Qdate,
169 Qdigest,
170 Qdisposition,
171 Qfilename,
172 Qfrom,
173 Qheader,
174 Qinreplyto,
175 Qlines,
176 Qmimeheader,
177 Qmessageid,
178 Qraw,
179 Qrawbody,
180 Qrawheader,
181 Qrawunix,
182 Qreplyto,
183 Qsender,
184 Qsubject,
185 Qto,
186 Qtype,
187 Qunixheader,
188 Qinfo,
189 Qunixdate,
190 Qmax,
191
192 /* other files */
193 Qtop,
194 Qmbox,
195 Qdir,
196 Qctl,
197 Qmboxctl
198 };
199
200 #define PATH(id, f) ((((id)&0xfffff)<<10) | (f))
201 #define FILE(p) ((p) & 0x3ff)
202
203 /* char *dirtab[]; jpc */
204
205 // hash table to aid in name lookup, all files have an entry
206 typedef struct Hash Hash;
207 struct Hash {
208 Hash *next;
209 char *name;
210 ulong ppath;
211 Qid qid;
212 Mailbox *mb;
213 Message *m;
214 };
215
216 Hash *hlook(ulong, char*);
217 void henter(ulong, char*, Qid, Message*, Mailbox*);
218 void hfree(ulong, char*);
219
220 ulong msgallocd, msgfreed;