98 lines
2.5 KiB
C
98 lines
2.5 KiB
C
/*-
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* Copyright (c) 1998 Andrzej Bialecki
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id: help.c,v 1.1.1.1 1998/07/14 07:30:53 abial Exp $
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*
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*/
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#include <stdio.h>
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#include <string.h>
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#include <sys/types.h>
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#include <dirent.h>
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void
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display(char *fname)
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{
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FILE *fd;
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DIR *dirp;
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struct dirent *d;
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char buf[100],junk[5],c, *dot;
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int i;
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snprintf(buf,99,"/help/%s.hlp",fname);
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if((fd=fopen(buf,"r"))==NULL) {
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printf("No help available for '%s'.\n",fname);
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exit(1);
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}
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printf("\n");
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i=0;
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while(!feof(fd)) {
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if(fgets(buf,99,fd)==NULL) continue;
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if(i<23) {
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printf("%s",buf);
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i++;
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} else {
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printf("[7mPress Enter to continue[m");
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fgets(junk,5,stdin);
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printf("%s",buf);
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i=0;
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}
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}
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printf("\n");
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i=0;
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if(strcmp(fname,"help")==0) {
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printf("The following help items are available:\n\n");
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dirp=opendir("/help/.");
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while((d=readdir(dirp))!=NULL) {
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if(d->d_name[0]=='.') continue;
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if((dot=strchr(d->d_name,'.'))!=NULL) {
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*dot='\0';
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}
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printf("%-13s",d->d_name);
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i++;
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if(i>5) {
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printf("\n");
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i=0;
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}
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}
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closedir(dirp);
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printf("\n");
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}
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return;
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}
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int
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main(int argc, char *argv[])
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{
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if(argc==1) {
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display("help");
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} else {
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display(argv[1]);
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}
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exit(0);
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}
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