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fix unsigned arithmetic bug in previous change

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This commit is contained in:
John Hughes 2002-05-24 10:19:44 +00:00
parent 38ae88d332
commit 2c4e3a8061
3 changed files with 11 additions and 4 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2002-05-24 John Hughes <john@calva.com>
* stream.h, net.h: Avoid possible infinite loop caused by
unsigned arithmetic in preceeding change.
2002-05-23 John Hughes <john@calva.com>
* acconfig.h: Add HAVE_OPTHDR and HAVE_T_OPTHDR defines.

8
net.c
View File

@ -1436,7 +1436,7 @@ int len;
int c = 0;
struct opthdr hdr;
while (len >= sizeof hdr) {
while (len >= (int) sizeof hdr) {
if (umove(tcp, addr, &hdr) < 0) break;
if (c++) {
tprintf (", ");
@ -1448,8 +1448,10 @@ int len;
addr += sizeof hdr;
len -= sizeof hdr;
printsockopt (tcp, hdr.level, hdr.name, addr, hdr.len);
addr += hdr.len;
len -= hdr.len;
if (hdr.len > 0) {
addr += hdr.len;
len -= hdr.len;
}
tprintf ("}");
}
if (len > 0) {

2
stream.c
View File

@ -505,7 +505,7 @@ int len;
int c = 0;
struct t_opthdr hdr;
while (len >= sizeof hdr) {
while (len >= (int) sizeof hdr) {
if (umove(tcp, addr, &hdr) < 0) break;
if (c++) {
tprintf (", ");