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83 lines
1.8 KiB
C
83 lines
1.8 KiB
C
/* error.c: Error handling
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Copyright 2005 Bjoern Butscher, Hendrik Weimer
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This file is part of libquantum
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libquantum is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published
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by the Free Software Foundation; either version 3 of the License,
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or (at your option) any later version.
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libquantum is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with libquantum; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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MA 02110-1301, USA
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include "error.h"
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void *
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quantum_error_handler(void *f(int))
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{
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static void *errfunc = 0;
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if(f)
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errfunc = f;
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return errfunc;
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}
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const char *
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quantum_strerr(int errno)
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{
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switch(errno)
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{
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case QUANTUM_SUCCESS:
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return "success";
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case QUANTUM_FAILURE:
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return "failure";
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case QUANTUM_ENOMEM:
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return "malloc failed";
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case QUANTUM_EMLARGE:
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return "matrix too large";
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case QUANTUM_EMSIZE:
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return "wrong matrix size";
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case QUANTUM_EHASHFULL:
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return "hash table full";
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case QUANTUM_EMCMATRIX:
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return "single-column matrix expected";
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case QUANTUM_EOPCODE:
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return "unknown opcode";
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default:
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return "unknown error code";
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}
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}
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void
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quantum_error(int errno)
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{
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void (*p)(int);
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p = quantum_error_handler(0);
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if(p)
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p(errno);
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else
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{
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fflush(stdout);
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fprintf(stderr, "ERROR: %s\n", quantum_strerr(errno));
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fflush(stderr);
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abort();
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}
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}
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