33 lines
498 B
C
33 lines
498 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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long
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sysexits(ulong *arg)
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{
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char *status;
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char *inval = "invalid exit string";
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char buf[ERRMAX];
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status = (char*)arg[0];
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if(status){
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if(waserror())
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status = inval;
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else{
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validaddr((ulong)status, 1, 0);
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if(vmemchr(status, 0, ERRMAX) == 0){
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memmove(buf, status, ERRMAX);
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buf[ERRMAX-1] = 0;
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status = buf;
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}
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}
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poperror();
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}
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pexit(status, 1);
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return 0; /* not reached */
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}
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