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ftpd: fix nil pointer derefernece when ominiting arguments to opts command

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This commit is contained in:
cinap_lenrek 2013-04-23 22:47:27 +02:00
parent 922d6d0780
commit 8858fdf15f
1 changed files with 4 additions and 0 deletions
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4
sys/src/cmd/ip/ftpd.c
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@ -485,6 +485,10 @@ optscmd(char *arg)
{ {
char *p; char *p;
if(arg == 0 || *arg == 0){
reply("501 Syntax error in parameters or arguments");
return 0;
}
if(p = strchr(arg, ' ')) if(p = strchr(arg, ' '))
*p = 0; *p = 0;
if(cistrcmp(arg, "UTF-8") == 0){ if(cistrcmp(arg, "UTF-8") == 0){