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69 lines
2.3 KiB
C++
69 lines
2.3 KiB
C++
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/* -*-C-*-
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################################################################################
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#
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# File: listio.c
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# Description: List I/O processing procedures.
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# Author: Mark Seaman, Software Productivity
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# Created: Thu Jul 23 13:24:09 1987
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# Modified: Fri May 17 17:33:30 1991 (Mark Seaman) marks@hpgrlt
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# Language: C
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# Package: N/A
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# Status: Reusable Software Component
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#
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# (c) Copyright 1987, Hewlett-Packard Company.
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** Licensed under the Apache License, Version 2.0 (the "License");
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** you may not use this file except in compliance with the License.
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** You may obtain a copy of the License at
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** http://www.apache.org/licenses/LICENSE-2.0
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** Unless required by applicable law or agreed to in writing, software
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** distributed under the License is distributed on an "AS IS" BASIS,
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** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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** See the License for the specific language governing permissions and
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** limitations under the License.
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#
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################################################################################
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This file contains the implementations of a set of general purpose
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list I/O routines. For the interface definitions look in the file
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"listio.h".
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---------------------------------------------------------------------------*/
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include "listio.h"
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/*---------------------------------------------------------------------------
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Public Function Code
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---------------------------------------------------------------------------*/
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/*************************************************************************
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* R E A D L I S T
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*
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* Read a list of strings from a file. Return the string list to the
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* caller.
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*************************************************************************/
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LIST read_list(const char *filename) {
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FILE *infile;
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char s[CHARS_PER_LINE];
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LIST list;
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char *chopAt250();
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if ((infile = open_file (filename, "r")) == NULL)
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return (NIL);
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list = NIL;
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while (fgets (s, CHARS_PER_LINE, infile) != NULL) {
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s[CHARS_PER_LINE - 1] = '\0';
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if (strlen (s) > 0) {
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if (s[strlen (s) - 1] == '\n')
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s[strlen (s) - 1] = '\0';
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if (strlen (s) > 0) {
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list = push (list, (LIST) strsave (s));
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}
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}
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}
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fclose(infile);
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return (reverse_d (list));
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}
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