From e5888a1ffdae813d7575f5fb02275c6bb07e5199 Mon Sep 17 00:00:00 2001 From: Taru Karttunen Date: Wed, 30 Mar 2011 15:46:40 +0300 Subject: Import sources from 2011-03-30 iso image --- sys/src/cmd/unix/drawterm/kern/sysproc.c | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100755 sys/src/cmd/unix/drawterm/kern/sysproc.c (limited to 'sys/src/cmd/unix/drawterm/kern/sysproc.c') diff --git a/sys/src/cmd/unix/drawterm/kern/sysproc.c b/sys/src/cmd/unix/drawterm/kern/sysproc.c new file mode 100755 index 000000000..11caeb773 --- /dev/null +++ b/sys/src/cmd/unix/drawterm/kern/sysproc.c @@ -0,0 +1,32 @@ +#include "u.h" +#include "lib.h" +#include "dat.h" +#include "fns.h" +#include "error.h" + +long +sysexits(ulong *arg) +{ + char *status; + char *inval = "invalid exit string"; + char buf[ERRMAX]; + + status = (char*)arg[0]; + if(status){ + if(waserror()) + status = inval; + else{ + validaddr((ulong)status, 1, 0); + if(vmemchr(status, 0, ERRMAX) == 0){ + memmove(buf, status, ERRMAX); + buf[ERRMAX-1] = 0; + status = buf; + } + } + poperror(); + + } + pexit(status, 1); + return 0; /* not reached */ +} + -- cgit v1.2.3