20060303

1 files changed, 33 insertions, 0 deletions

diff --git a/utils/echo/echo.c b/utils/echo/echo.c
new file mode 100644
index 00000000..9574e129
--- /dev/null
+++ b/utils/echo/echo.c
@@ -0,0 +1,33 @@
+#include <lib9.h>
+
+void
+main(int argc, char *argv[])
+{
+	int nflag;
+	int i, len;
+	char *buf, *p;
+
+	nflag = 0;
+	if(argc > 1 && strcmp(argv[1], "-n") == 0)
+		nflag = 1;
+
+	len = 1;
+	for(i = 1+nflag; i < argc; i++)
+		len += strlen(argv[i])+1;
+
+	buf = malloc(len);
+	if(buf == 0)
+		exits("no memory");
+
+	p = buf;
+	for(i = 1+nflag; i < argc; i++)
+		p += sprint(p, i == argc-1 ? "%s":"%s ", argv[i]);
+		
+	if(!nflag)
+		sprint(p, "\n");
+
+	if(write(1, buf, strlen(buf)) < 0)
+		fprint(2, "echo: write error: %r\n");
+
+	exits((char *)0);
+}