1 #include <u.h>
2 #include <libc.h>
3 #include <bio.h>
4 #include <thread.h>
5 #include <ctype.h>
6 #include <plumb.h>
7 #include <9pclient.h>
8 #include "dat.h"
9 
10 
11 char*
12 formathtml(char *body, int *np)
13 {
14 	int i, j, p[2], q[2];
15 	Exec *e;
16 	char buf[1024];
17 	Channel *sync;
18 
19 	e = emalloc(sizeof(struct Exec));
20 	if(pipe(p) < 0 || pipe(q) < 0)
21 		error("can't create pipe: %r");
22 
23 	e->p[0] = p[0];
24 	e->p[1] = p[1];
25 	e->q[0] = q[0];
26 	e->q[1] = q[1];
27 	e->argv = emalloc(3*sizeof(char*));
28 	e->argv[0] = estrdup("htmlfmt");
29 	e->argv[1] = estrdup("-cutf-8");
30 	e->argv[2] = nil;
31 	e->prog = unsharp("#9/bin/htmlfmt");
32 	sync = chancreate(sizeof(int), 0);
33 	e->sync = sync;
34 	proccreate(execproc, e, EXECSTACK);
35 	recvul(sync);
36 	// close(p[0]);
37 	close(q[1]);
38 
39 	if((i=write(p[1], body, *np)) != *np){
40 		fprint(2, "Mail: warning: htmlfmt failed: wrote %d of %d: %r\n", i, *np);
41 		close(p[1]);
42 		close(q[0]);
43 		return body;
44 	}
45 	close(p[1]);
46 
47 	free(body);
48 	body = nil;
49 	i = 0;
50 	for(;;){
51 		j = read(q[0], buf, sizeof buf);
52 		if(j <= 0)
53 			break;
54 		body = realloc(body, i+j+1);
55 		if(body == nil)
56 			error("realloc failed: %r");
57 		memmove(body+i, buf, j);
58 		i += j;
59 		body[i] = '\0';
60 	}
61 	close(q[0]);
62 
63 	*np = i;
64 	return body;
65 }
66 
67 char*
68 readbody(char *type, char *dir, int *np)
69 {
70 	char *body;
71 	
72 	body = readfile(dir, "body", np);
73 	if(body != nil && strcmp(type, "text/html") == 0)
74 		return formathtml(body, np);
75 	return body;
76 }