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helpindx.c
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C/C++ Source or Header
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1996-03-14
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4KB
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151 lines
#if !defined(lint) && !defined(DOS)
static char rcsid[] = "$Id: helpindx.c,v 4.10 1996/03/15 07:13:42 hubert Exp $";
#endif
/*----------------------------------------------------------------------
T H E P I N E M A I L S Y S T E M
Laurence Lundblade and Mike Seibel
Networks and Distributed Computing
Computing and Communications
University of Washington
Administration Builiding, AG-44
Seattle, Washington, 98195, USA
Internet: lgl@CAC.Washington.EDU
mikes@CAC.Washington.EDU
Please address all bugs and comments to "pine-bugs@cac.washington.edu"
Pine and Pico are registered trademarks of the University of Washington.
No commercial use of these trademarks may be made without prior written
permission of the University of Washington.
Pine, Pico, and Pilot software and its included text are Copyright
1989-1996 by the University of Washington.
The full text of our legal notices is contained in the file called
CPYRIGHT, included with this distribution.
Pine is in part based on The Elm Mail System:
***********************************************************************
* The Elm Mail System - Revision: 2.13 *
* *
* Copyright (c) 1986, 1987 Dave Taylor *
* Copyright (c) 1988, 1989 USENET Community Trust *
***********************************************************************
----------------------------------------------------------------------*/
/*
* very short, very specialized
*
*
*
*/
#include <stdio.h>
#include <ctype.h>
#define HELP_KEY_MAX 64 /* maximum length of a key */
struct hindx {
char key[HELP_KEY_MAX]; /* name of help section */
long offset; /* where help text starts */
short lines; /* how many lines there are */
};
main(argc, argv)
int argc;
char **argv;
{
char *p, s[256];
long index;
int section,
len,
line,
i;
FILE *hp,
*hip, /* help index ptr */
*hhp; /* help header ptr */
struct hindx irec;
if(argc < 4){
fprintf(stderr,
"usage: helpindx <help_file> <index_file> <header_file>\n");
exit(-1);
}
if((hp = fopen(argv[1], "rb")) == NULL){ /* problems */
perror(argv[1]);
exit(-1);
}
if((hip = fopen(argv[2], "wb")) == NULL){ /* problems */
perror(argv[2]);
exit(-1);
}
if((hhp = fopen(argv[3], "w")) == NULL){ /* problems */
perror(argv[3]);
exit(-1);
}
fprintf(hhp,"/*\n * Pine Help text header file\n */\n");
fprintf(hhp,"\n#define\tHELP_KEY_MAX\t%d\n", HELP_KEY_MAX);
fprintf(hhp,"struct hindx {\n char key[HELP_KEY_MAX];");
fprintf(hhp,"\t\t/* name of help section */\n");
fprintf(hhp," long offset;\t\t\t/* where help text starts */\n");
fprintf(hhp," short lines;\t\t\t/* how many lines there are */\n");
fprintf(hhp,"};\n\n\n/*\n * defs for help section titles\n */\n");
index = 0L;
line = section = 0;
while(fgets(s, 255, hp) != NULL){
line++;
len = strlen(s);
if(s[0] == '='){ /* new section? */
i = 0;
while((s[i] == '=' || isspace(s[i])) && i < len)
i++;
if(section)
fwrite(&irec, sizeof(struct hindx), 1, hip);
irec.offset = index + (long)i; /* save where name starts */
irec.lines = 0;
p = &irec.key[0]; /* save name field */
while(!isspace(s[i]) && i < len)
*p++ = s[i++];
*p = '\0';
if(irec.key[0] == '\0'){
fprintf(stderr,"Invalid help line %d: %s", line, s);
exit(-1);
}
else
fprintf(hhp, "#define\t%s\t%d\n", irec.key, section++);
}
else if(s[0] == '#' && section){
fprintf(stderr,"Comments not allowed in help text: line %d", line);
exit(-1);
}
else{
irec.lines++;
}
index += len;
}
if(section) /* write last entry */
fwrite(&irec, sizeof(struct hindx), 1, hip);
fprintf(hhp, "#define\tLASTHELP\t%d\n", section);
fclose(hp);
fclose(hip);
fclose(hhp);
}