shithub: libacme

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add awincat to read a file into the window body

--- a/acme.h

+++ b/acme.h

@@ -43,6 +43,7 @@

 void	awinctl(AWin *, char *, ...);

 void	awinclear(AWin *);

+int		awincat(AWin *, char *);

 void	awinprint(AWin *, char *, ...);

 void	awinerror(AWin *, char *, ...);

 void	awinfatal(AWin *, char *, ...);

--- a/window.c

+++ b/window.c

@@ -103,6 +103,31 @@

 	fprint(w->datafd, "");

 }

+int

+awincat(AWin *w, char *file)

+{

+	int body, fd;

+	char *buf;

+	long n;

+	

+	buf = malloc(sizeof(8*1024));

+	body = awinfsopen(w, "body", OWRITE);

+	fd = open(file, OREAD);

+	if(fd < 0) {

+		awinerror(w, "awincat read: %r");

+		return -1;

+	}

+		

+	while((n=read(fd, buf, 8*1024)) > 0) {

+		if(write(body, buf, n) != n) {

+			awinerror(w, "awincat write: %r");

+			return -1;

+		}

+	}

+	

+	return 0;

+}

+

 void

 awinprint(AWin *w, char *fmt, ...)

 {