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path: root/drivers/netconsole.c
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Diffstat (limited to 'drivers/netconsole.c')
-rw-r--r--drivers/netconsole.c17
1 files changed, 10 insertions, 7 deletions
diff --git a/drivers/netconsole.c b/drivers/netconsole.c
index 6c27c08..9cf6cd6 100644
--- a/drivers/netconsole.c
+++ b/drivers/netconsole.c
@@ -153,11 +153,12 @@ int nc_start (void)
nc_port = 6666; /* default port */
if (getenv ("ncip")) {
+ char *p;
+
nc_ip = getenv_IPaddr ("ncip");
if (!nc_ip)
return -1; /* ncip is 0.0.0.0 */
- char *p = strchr (getenv ("ncip"), ':');
- if (p)
+ if ((p = strchr (getenv ("ncip"), ':')) != NULL)
nc_port = simple_strtoul (p + 1, NULL, 10);
} else
nc_ip = ~0; /* ncip is not set */
@@ -188,13 +189,13 @@ void nc_putc (char c)
void nc_puts (const char *s)
{
+ int len;
+
if (output_recursion)
return;
output_recursion = 1;
- int len = strlen (s);
-
- if (len > 512)
+ if ((len = strlen (s)) > 512)
len = 512;
nc_send_packet (s, len);
@@ -204,6 +205,8 @@ void nc_puts (const char *s)
int nc_getc (void)
{
+ uchar c;
+
input_recursion = 1;
net_timeout = 0; /* no timeout */
@@ -212,8 +215,8 @@ int nc_getc (void)
input_recursion = 0;
- uchar c = input_buffer[input_offset];
- input_offset++;
+ c = input_buffer[input_offset++];
+
if (input_offset >= sizeof input_buffer)
input_offset -= sizeof input_buffer;
input_size--;