28 lines
382 B
C
28 lines
382 B
C
#include "u.h"
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#include "lib.h"
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#include "dat.h"
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#include "fns.h"
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#include "error.h"
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Label*
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pwaserror(void)
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{
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if(up->nerrlab == NERR)
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panic("error stack overflow");
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return &up->errlab[up->nerrlab++];
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}
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void
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nexterror(void)
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{
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longjmp(up->errlab[--up->nerrlab].buf, 1);
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}
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void
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error(char *e)
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{
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kstrcpy(up->errstr, e, ERRMAX);
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setjmp(up->errlab[NERR-1].buf);
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nexterror();
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}
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