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/* Copyright (c) 1991 Regents of the University of California */ |
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#ifndef lint |
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static char SCCSid[] = "$SunId$ LBL"; |
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static const char RCSid[] = "$Id$"; |
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#endif |
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/* |
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* error.c - standard error reporting function |
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* |
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* External symbols declared in standard.h |
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*/ |
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#include "standard.h" |
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#include "copyright.h" |
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#ifndef linux |
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extern char *sys_errlist[]; /* system error list */ |
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extern int sys_nerr; /* number of system errors */ |
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#endif |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include "rterror.h" |
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extern char *strerror(); |
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/* global list of error actions */ |
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struct erract erract[NERRS] = ERRACT_INIT; |
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char errmsg[512]; /* global error message buffer */ |
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void |
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error(etype, emsg) /* report error, quit if necessary */ |
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int etype; |
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char *emsg; |
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{ |
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register struct erract *ep; |
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if (etype < 0 | etype >= NERRS) |
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if ((etype < 0) | (etype >= NERRS)) |
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return; |
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ep = erract + etype; |
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if (ep->pf != NULL) { |
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if (emsg != NULL && emsg[0]) (*ep->pf)(emsg); |
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if (etype == SYSTEM && errno > 0) { |
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(*ep->pf)(": "); |
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if (errno <= sys_nerr) |
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(*ep->pf)(sys_errlist[errno]); |
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else |
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(*ep->pf)("Unknown error"); |
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(*ep->pf)(strerror(errno)); |
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} |
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(*ep->pf)("\n"); |
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} |
