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b00e9eb797
- Renamed from makefile.mk to Makefile. - Updated for proper operation as part of GNO build. - Discontinue use of vaend.c, basename.c for GNO v2.0.6. descu: - Document ability to specify an output file vice stdout (this feature was already in, but not documented) - Allow the output file to be the same name as the first input file (it will be overwritten). - Fix buffer overrun bugs that occured when: a) There was no initial input file; or b) There are no headers in the first input file; or c) There are no trailers in the first input file; or - Increased SLOTS_QUANTUM from 20 to 64, hopefully increasing the speed on large files. - fixed stack check code to use the new routines names - put version number in lockstep with descc and describe descc: - descc will now change the database file type to BIN, if it wasn't already so. - changed default location of system database - fixed stack check code to use the new routines names - put version number in lockstep with descu and describe describe: - changed default location of system database - fixed stack check code to use the new routines names - put version number in lockstep with descu and descc *.rez: - added resource source files
323 lines
10 KiB
C
323 lines
10 KiB
C
/* */
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/* descc - compile info file into describe database file */
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/* */
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/* $Id: descc.c,v 1.5 1997/09/24 06:34:58 gdr Exp $ */
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/* */
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/* v1.0.4 - Changed location of database. Describe is now */
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/* part of the base GNO distribution. Version numbers */
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/* now in lockstep. */
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/* Devin Reade [Mon 22 Sep 1997] */
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/* */
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/* v1.0.3 - No changes, but changed version number to keep */
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/* in line with descu. */
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/* Soenke Behrens [Sun Jan 28 1996] */
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/* */
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/* v1.0.2 - One bug removed. Recompiled to accomodate new */
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/* SHELL line and DESCDB environment var */
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/* Soenke Behrens [Sun Oct 22 1995] */
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/* */
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/* v1.0.1 - Added -h and -V flags [Sat May 06 1995] */
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/* Extracted certain #defines to "desc.h" */
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/* Now uses getopt for command line parsing. */
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/* Fixed some potential bugs. */
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/* */
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/* v1.0.0 - James Brookes [Sat Oct 23 1993] */
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/* released [Thu Mar 31 1994] [!!!!!!!!!!!] */
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/* */
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/* This version implements the following features: */
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/* */
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/* o Compiles a text file which follows the specifications in the */
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/* included file 'describe.format'. The format of the describe */
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/* database is as follows: */
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/* */
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/* Header */
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/* */
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/* 2 bytes: Short Int, number of Name Entries */
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/* */
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/* Name Entries */
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/* */
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/* 34 bytes: Null-terminated string; name of utility */
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/* 4 bytes: Long Int, offset of record in file. */
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/* */
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/* Records */
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/* */
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/* 8 variable-length Null-terminated strings. */
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/* */
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <assert.h>
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#ifdef __GNO__
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#include <types.h>
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#include <gsos.h>
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#include <gno/gno.h>
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#endif
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#include "desc.h"
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/* prototypes */
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void usage(char *callname);
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void version(char *callname);
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void puke(int error,int lines);
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int mygets(char *buffer, int2 *lines, FILE *FInPtr);
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int Vflag;
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/* version - print it out */
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void version (char *callname) {
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Vflag++;
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fprintf(stderr,"%s version %s\n",callname,_VERSION_);
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return;
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}
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/* */
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/* usage - you know what to do */
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/* */
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void usage (char *callname) {
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if (!Vflag) version(callname);
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fprintf(stderr,"usage: %s [-hV] <describe_sourcefile>\n",callname);
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exit(-1);
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}
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/* */
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/* puke - stdlib errors */
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/* */
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void puke (int error,int lines) {
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fprintf(stderr,"\nError $%x in line %d of script\n",error,lines);
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fflush(stdout);
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exit(error);
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}
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/* */
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/* mygets - get a line (skipping commented lines) and increment line count */
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/* */
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int mygets (char *buffer, int2 *lines, FILE *FInPtr) {
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char *p, c;
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do {
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if (fgets(buffer,MAX_LINE_LENGTH,FInPtr)==NULL) {
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return(-1);
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}
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p = buffer + strlen(buffer) - 1; /* remove trailing \n */
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if (*p == '\n') {
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*p = '\0';
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} else {
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fprintf(stderr,"Line %d exceeds %d characters. Remainder ignored.\n",
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*lines,MAX_LINE_LENGTH-1);
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do {
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c = fgetc(FInPtr);
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} while ((c!='\n') && !feof(FInPtr));
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}
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(*lines)++;
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} while(buffer[0] == QUOTE_CHAR || buffer[0] == '\n');
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return(0);
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}
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#ifdef __GNO__
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#define BIN 0x06
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/*
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* Change the file type of <path> to BINary
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*/
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void
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changeToBin(const char *path) {
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FileInfoRecGS pblock;
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pblock.pCount = 4;
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if ((pblock.pathname = (GSString255Ptr) __C2GSMALLOC(path)) == NULL) {
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/* silent failure */
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return;
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}
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GetFileInfoGS(&pblock);
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if (_toolErr == 0) {
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if (pblock.fileType != BIN) {
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pblock.fileType = BIN;
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pblock.auxType = 0L;
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SetFileInfoGS(&pblock);
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}
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}
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GIfree((GSStringPtr) pblock.pathname);
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return;
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}
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#endif /* __GNO__ */
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/* */
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/* Mainline */
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/* */
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int main (int argc, char **argv) {
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FILE *FInPtr, *FOutPtr;
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long int *record_locs, currLoc, endOfFile;
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char *buffer;
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int2 lines, namecount, i, j;
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nameEntry nameStruct;
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int c, errflag;
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char *db_path;
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/* initialize globals */
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Vflag=0;
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errflag=0;
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#ifdef __STACK_CHECK__
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_beginStackCheck();
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#endif
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assert(sizeof(int2)==2);
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assert(sizeof(int4)==4);
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/* Get database path: If DESCDB is set, use it,
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otherwise use DATABASE */
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if (getenv("DESCDB") == 0)
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{
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if ((db_path = strdup(DATABASE)) == 0)
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{
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fprintf(stderr,"couldn't allocate path variable\n");
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exit (-1);
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}
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} else {
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if ((db_path = strdup(getenv("DESCDB"))) == 0)
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{
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fprintf(stderr,"couldn't allocate path variable\n");
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exit (-1);
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}
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}
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/* parse command line */
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while ((c = getopt(argc, argv, "hV")) != EOF) {
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switch (c) {
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case 'V':
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version(basename(argv[0]));
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break;
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case 'h': /*FALLTHROUGH*/
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default:
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errflag++;
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break;
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}
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}
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if (errflag || (argc-optind != 1))
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{
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free (db_path);
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usage(basename(argv[0]));
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}
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/* open input and output files */
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if ((buffer = malloc (MAX_LINE_LENGTH)) == NULL) {
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fprintf(stderr,"couldn't allocate line buffer\n");
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free (db_path);
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exit (-1);
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}
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if ((FInPtr = fopen(argv[argc-1],"r")) == NULL) {
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fprintf(stderr,"Error opening %s; exiting.\n",argv[argc-1]);
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free (db_path);
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free(buffer);
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exit(1);
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}
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if ((FOutPtr = fopen(db_path,"wb+")) == NULL) {
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fprintf(stderr,"Error opening database file %s; exiting.\n",db_path);
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free (db_path);
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free(buffer);
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exit(1);
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}
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/* Compile array of names */
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lines = 0;
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namecount = 0;
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/* space for # of array entries */
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fwrite((void *)&namecount,sizeof(namecount),1,FOutPtr);
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while(mygets(buffer,&lines,FInPtr) != -1) {
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if (!strncmp(buffer,NAME,FIELD_LEN)) { /* found a match */
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strncpy(nameStruct.name,&buffer[FIELD_LEN],NAME_LEN-1);
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nameStruct.name[NAME_LEN-1] = '\0';
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fwrite((void *)&nameStruct,sizeof(nameStruct),1,FOutPtr);
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namecount++;
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}
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}
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if ((record_locs = malloc (namecount*sizeof(long int)))==NULL) {
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fprintf(stderr,"malloc of record_locs failed (%ld bytes); exiting\n",
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(long) namecount*sizeof(long int));
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exit(-1);
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}
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rewind(FInPtr);
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buffer[0] = '\0';
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lines = 0;
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fputc('\t',FOutPtr);
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/* Increment to first field */
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while (strncmp(buffer,NAME,FIELD_LEN)) /* found a match! */
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mygets(buffer,&lines,FInPtr);
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{ /* BUGBUG 22/10/95 Soenke Behrens */
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/* ORCA/C does not advance the file position indicator */
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/* correctly after above fputc(). This tries to remedy */
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/* the situation. Take out once library has been fixed */
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fprintf(FOutPtr,"Junk");
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fseek(FOutPtr,-4,SEEK_CUR);
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}
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/* Write out records and keep track of their file offsets */
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for (i = 0; i < namecount; i++) {
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record_locs[i] = ftell(FOutPtr);
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/* print out <Version>, <Shell>, <Author>, <Contact>, <Where>, <FTP> */
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for (j = 0; j < FIELD_COUNT-1; j++) {
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buffer[FIELD_LEN] = '\0';
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mygets(buffer,&lines,FInPtr);
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fprintf(FOutPtr,"%s\n",&buffer[FIELD_LEN]);
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}
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/* handle <description> field */
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for (;;) {
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if (mygets(buffer,&lines,FInPtr) == -1) break;
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if (!strncmp(buffer,NAME,FIELD_LEN)) break;
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fprintf(FOutPtr,"%s ",buffer);
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}
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fputc('\n',FOutPtr);
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}
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endOfFile = ftell(FOutPtr);
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fflush(FOutPtr); /*gdr 1*/
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rewind(FOutPtr);
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fwrite((void *)&namecount,sizeof(namecount),1,FOutPtr);
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fflush(FOutPtr); /*gdr 1*/
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/* time to go through the record_locs array and backpatch in */
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/* all the record locations. A little slower than necessary */
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/* perhaps, but it gets the job done. */
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for (i = 0; i < namecount; i++) {
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fread(&nameStruct,sizeof(nameStruct),1,FOutPtr);
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fseek(FOutPtr,-(sizeof(nameStruct)),SEEK_CUR);
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nameStruct.offset = record_locs[i];
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fwrite((void *)&nameStruct,sizeof(nameStruct),(size_t) 1,FOutPtr);
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fflush(FOutPtr);
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}
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fseek(FOutPtr,endOfFile,SEEK_SET);
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fclose(FOutPtr);
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#ifdef __GNO__
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/* change the filetype of the database to BIN */
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changeToBin(db_path);
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#endif
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free(db_path);
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free(record_locs);
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free(buffer);
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#ifdef __STACK_CHECK__
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fprintf(stderr,"stack usage: %d bytes\n", _endStackCheck());
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#endif
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return 0;
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}
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