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(output_data): make sure of not forwarding `nfrontp' too far, thereby

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allowing writes after the end of `netobuf'


git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@10354 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Assar Westerlund
2001-07-19 16:00:42 +00:00
parent a4190c9469
commit a5214a7bbc
1 changed files with 2 additions and 2 deletions
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4
appl/telnet/telnetd/global.c
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@@ -93,7 +93,7 @@ int
output_data (const char *format, ...) output_data (const char *format, ...)
{ {
va_list args; va_list args;
size_t remaining, ret; int remaining, ret;
va_start(args, format); va_start(args, format);
remaining = BUFSIZ - (nfrontp - netobuf); remaining = BUFSIZ - (nfrontp - netobuf);
@@ -101,7 +101,7 @@ output_data (const char *format, ...)
remaining, remaining,
format, format,
args); args);
nfrontp += ret; nfrontp += min(ret, remaining-1);
va_end(args); va_end(args);
return ret; return ret;
} }