Changed all sprintf() calls to snprintf() to make it useful for systems with very low buffer size

This commit is contained in:
adamdunkels 2008-02-24 20:59:51 +00:00
parent bd04cc1a32
commit 8906441004

View File

@ -1,18 +1,18 @@
/*
* Copyright (c) 2001, Adam Dunkels.
* All rights reserved.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
@ -24,11 +24,11 @@
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This file is part of the uIP TCP/IP stack.
*
* $Id: httpd-cgi.c,v 1.11 2008/02/17 13:59:22 oliverschmidt Exp $
* $Id: httpd-cgi.c,v 1.12 2008/02/24 20:59:51 adamdunkels Exp $
*
*/
@ -57,28 +57,28 @@ static struct httpd_cgi_call *calls = NULL;
static const char closed[] = /* "CLOSED",*/
{0x43, 0x4c, 0x4f, 0x53, 0x45, 0x44, 0};
static const char syn_rcvd[] = /* "SYN-RCVD",*/
{0x53, 0x59, 0x4e, 0x2d, 0x52, 0x43, 0x56,
{0x53, 0x59, 0x4e, 0x2d, 0x52, 0x43, 0x56,
0x44, 0};
static const char syn_sent[] = /* "SYN-SENT",*/
{0x53, 0x59, 0x4e, 0x2d, 0x53, 0x45, 0x4e,
{0x53, 0x59, 0x4e, 0x2d, 0x53, 0x45, 0x4e,
0x54, 0};
static const char established[] = /* "ESTABLISHED",*/
{0x45, 0x53, 0x54, 0x41, 0x42, 0x4c, 0x49,
0x53, 0x48, 0x45, 0x44, 0};
static const char fin_wait_1[] = /* "FIN-WAIT-1",*/
{0x46, 0x49, 0x4e, 0x2d, 0x57, 0x41, 0x49,
{0x46, 0x49, 0x4e, 0x2d, 0x57, 0x41, 0x49,
0x54, 0x2d, 0x31, 0};
static const char fin_wait_2[] = /* "FIN-WAIT-2",*/
{0x46, 0x49, 0x4e, 0x2d, 0x57, 0x41, 0x49,
{0x46, 0x49, 0x4e, 0x2d, 0x57, 0x41, 0x49,
0x54, 0x2d, 0x32, 0};
static const char closing[] = /* "CLOSING",*/
{0x43, 0x4c, 0x4f, 0x53, 0x49,
{0x43, 0x4c, 0x4f, 0x53, 0x49,
0x4e, 0x47, 0};
static const char time_wait[] = /* "TIME-WAIT,"*/
{0x54, 0x49, 0x4d, 0x45, 0x2d, 0x57, 0x41,
{0x54, 0x49, 0x4d, 0x45, 0x2d, 0x57, 0x41,
0x49, 0x54, 0};
static const char last_ack[] = /* "LAST-ACK"*/
{0x4c, 0x41, 0x53, 0x54, 0x2d, 0x41, 0x43,
{0x4c, 0x41, 0x53, 0x54, 0x2d, 0x41, 0x43,
0x4b, 0};
static const char none[] = /* "NONE"*/
{0x4e, 0x4f, 0x4e, 0x45, 0};
@ -116,7 +116,7 @@ static const char *states[] = {
static
PT_THREAD(nullfunction(struct httpd_state *s, char *ptr))
{
PSOCK_BEGIN(&s->sout);
PSOCK_BEGIN(&s->sout);
PSOCK_END(&s->sout);
}
/*---------------------------------------------------------------------------*/
@ -138,7 +138,7 @@ static unsigned short
generate_file_stats(void *arg)
{
char *f = (char *)arg;
return sprintf((char *)uip_appdata, "%5u", httpd_fs_count(f));
return snprintf((char *)uip_appdata, uip_mss(), "%5u", httpd_fs_count(f));
}
/*---------------------------------------------------------------------------*/
static
@ -158,7 +158,7 @@ make_tcp_stats(void *arg)
struct httpd_state *s = (struct httpd_state *)arg;
conn = &uip_conns[s->u.count];
return sprintf((char *)uip_appdata,
return snprintf((char *)uip_appdata, uip_mss(),
"<tr align=\"center\"><td>%d</td><td>%u.%u.%u.%u:%u</td><td>%s</td><td>%u</td><td>%u</td><td>%c %c</td></tr>\r\n",
htons(conn->lport),
conn->ripaddr.u8[0],
@ -179,7 +179,7 @@ PT_THREAD(tcp_stats(struct httpd_state *s, char *ptr))
PSOCK_BEGIN(&s->sout);
for(s->u.count = 0; s->u.count < UIP_CONNS; ++s->u.count) {
for(s->u.count = 0; s->u.count < UIP_CONNS; ++s->u.count) {
if((uip_conns[s->u.count].tcpstateflags & UIP_TS_MASK) != UIP_CLOSED) {
PSOCK_GENERATOR_SEND(&s->sout, make_tcp_stats, s);
}
@ -196,7 +196,7 @@ make_processes(void *p)
strncpy(name, ((struct process *)p)->name, 40);
petsciiconv_toascii(name, 40);
return sprintf((char *)uip_appdata,
return snprintf((char *)uip_appdata, uip_mss(),
"<tr align=\"center\"><td>%p</td><td>%s</td><td>%p</td><td>%s</td></tr>\r\n",
p, name,
*((char **)&(((struct process *)p)->thread)),