tutorial: use "project history" instead of "changelog" in header

diff --git a/pkt-line.c b/pkt-line.c
index b4cb7e2756dcc52c17aebf4c0fc6adc7b415ef3c..b60526869a38bd20f800c275f7b42390c8bea1ee 100644 (file)
--- a/pkt-line.c
+++ b/pkt-line.c
@@ -65,10 +65,10 @@ void packet_write(int fd, const char *fmt, ...)
 
 static void safe_read(int fd, void *buffer, unsigned size)
 {
-       int n = 0;
+       size_t n = 0;
 
        while (n < size) {
-               int ret = xread(fd, (char *) buffer + n, size - n);
+               ssize_t ret = xread(fd, (char *) buffer + n, size - n);
                if (ret < 0)
                        die("read error (%s)", strerror(errno));
                if (!ret)