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/waserror.c | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100755 sys/src/cmd/unix/drawterm/kern/waserror.c (limited to 'sys/src/cmd/unix/drawterm/kern/waserror.c') diff --git a/sys/src/cmd/unix/drawterm/kern/waserror.c b/sys/src/cmd/unix/drawterm/kern/waserror.c new file mode 100755 index 000000000..3a07bc928 --- /dev/null +++ b/sys/src/cmd/unix/drawterm/kern/waserror.c @@ -0,0 +1,27 @@ +#include "u.h" +#include "lib.h" +#include "dat.h" +#include "fns.h" +#include "error.h" + +Label* +pwaserror(void) +{ + if(up->nerrlab == NERR) + panic("error stack overflow"); + return &up->errlab[up->nerrlab++]; +} + +void +nexterror(void) +{ + longjmp(up->errlab[--up->nerrlab].buf, 1); +} + +void +error(char *e) +{ + kstrcpy(up->errstr, e, ERRMAX); + setjmp(up->errlab[NERR-1].buf); + nexterror(); +} -- cgit v1.2.3