1 files changed, 75 insertions, 0 deletions
diff --git a/acme/mail/src/html.c b/acme/mail/src/html.c
new file mode 100644
index 000000000..64730856f
--- /dev/null
+++ b/acme/mail/src/html.c
@@ -0,0 +1,75 @@
+#include <u.h>
+#include <libc.h>
+#include <bio.h>
+#include <thread.h>
+#include <ctype.h>
+#include <plumb.h>
+#include "dat.h"
+
+
+char*
+formathtml(char *body, int *np)
+{
+	int i, j, p[2], q[2];
+	Exec *e;
+	char buf[1024];
+	Channel *sync;
+
+	e = emalloc(sizeof(struct Exec));
+	if(pipe(p) < 0 || pipe(q) < 0)
+		error("can't create pipe: %r");
+
+	e->p[0] = p[0];
+	e->p[1] = p[1];
+	e->q[0] = q[0];
+	e->q[1] = q[1];
+	e->argv = emalloc(3*sizeof(char*));
+	e->argv[0] = estrdup("htmlfmt");
+	e->argv[1] = estrdup("-cutf-8");
+	e->argv[2] = nil;
+	e->prog = "/bin/htmlfmt";
+	sync = chancreate(sizeof(int), 0);
+	e->sync = sync;
+	proccreate(execproc, e, EXECSTACK);
+	recvul(sync);
+	close(p[0]);
+	close(q[1]);
+
+	if((i=write(p[1], body, *np)) != *np){
+		fprint(2, "Mail: warning: htmlfmt failed: wrote %d of %d: %r\n", i, *np);
+		close(p[1]);
+		close(q[0]);
+		return body;
+	}
+	close(p[1]);
+
+	free(body);
+	body = nil;
+	i = 0;
+	for(;;){
+		j = read(q[0], buf, sizeof buf);
+		if(j <= 0)
+			break;
+		body = realloc(body, i+j+1);
+		if(body == nil)
+			error("realloc failed: %r");
+		memmove(body+i, buf, j);
+		i += j;
+		body[i] = '\0';
+	}
+	close(q[0]);
+
+	*np = i;
+	return body;
+}
+
+char*
+readbody(char *type, char *dir, int *np)
+{
+	char *body;
+	
+	body = readfile(dir, "body", np);
+	if(body != nil && strcmp(type, "text/html") == 0)
+		return formathtml(body, np);
+	return body;
+}