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C!T ROM 2
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ctrom_ii_b
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PROGRAM
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UTILS
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INTERRPT
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INT2QH
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INT2QH2.C
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C/C++ Source or Header
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1991-04-18
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6KB
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299 lines
/* INT2QH.C
*
* Author: Kai Uwe Rommel
* Date: Sun 07-Oct-1990
* Update: Sat 20-Oct-1990
* Update: Sun 11-Nov-1990 Ralf Brown
* Update: Ralf Brown (added Bent Lynggaard's INT2GUID enh)
*
* Compiler: MS C 5.00 and newer / compact model, or TC 2.0 / compact model
* System: PC/MS-DOS 3.20 and newer, OS/2 1.0 and newer
*
*/
#define LABEL "int2qh.c"
#define VERSION "1.3"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#define divider_line(s) (strncmp(s,"--------",8)==0)
FILE *input, *output, *topics, *subtopics;
char line1[128];
char line2[128];
char category[128];
char parent[128];
char infilename[14] = "interrup.lst";
#define infileExt 9
int splitInfile = 0;
int sub;
void diskFull(void)
{
fputs("\n\nDisk full\n", stderr);
fcloseall();
unlink("topic.tmp");
unlink("subtopic.tmp");
exit(1);
}
int _fputs(char *line, FILE *stream)
{
char buffer[128];
int cnt = 0;
while ( *line )
{
if ( *line == '\\' )
buffer[cnt++] = '\\';
buffer[cnt++] = *line++;
}
buffer[cnt] = 0;
return fputs(buffer, stream);
}
char *_fgets(char *s, int n, FILE *stream)
{
char *ptr;
ptr = fgets(s, n, stream);
if ( (ptr==NULL) && (stream==input) && splitInfile )
{
fclose(input);
infilename[infileExt]++;
input = fopen(infilename, "r");
if ( input != NULL )
{
fprintf(stderr, "%s\n", infilename);
ptr = fgets(s, n, input);
}
}
return ptr;
} /* _fgets */
void Initialize(void)
{
input = fopen(infilename, "r");
if ( input == NULL )
{
infilename[infileExt] = 'a';
infilename[infileExt+1] = 0;
input = fopen(infilename, "r");
if ( input == NULL )
{
fputs("Cannot open input file (INTERRUP.LST or INTERRUP.A)\n", stderr);
exit(1);
}
splitInfile = 1;
}
fprintf(stderr, "%s\n", infilename);
output = stdout;
topics = fopen("topic.tmp", "w");
subtopics = fopen("subtopic.tmp", "w");
fprintf(topics,
".context List Categories\n.list\nInterrupt-List\n"
".context Interrupt-List\n.context INTLIST\n.topic Interrupt-List\n.list\n"
);
}
void Cleanup(void)
{
fclose(topics);
fclose(subtopics);
fputs("Cleaning up\n", stderr);
topics = fopen("topic.tmp", "r");
subtopics = fopen("subtopic.tmp", "r");
while ( fgets(line1, sizeof(line1), topics) )
if ( fputs(line1, output) == EOF )
diskFull();
while ( fgets(line1, sizeof(line1), subtopics) )
if ( fputs(line1, output) == EOF )
diskFull();
fcloseall();
unlink("topic.tmp");
unlink("subtopic.tmp");
}
void CopyFile(char *name)
{
FILE *temp = fopen(name, "r");
if ( temp == NULL )
{
fprintf(stderr, "WARNING: Could not open %s\n", name);
fputs("Information was not available\n", output);
}
else
{
while ( fgets(line2, sizeof(line2), temp) )
_fputs(line2, output);
fclose(temp);
}
}
void StartTopic(char *name, char *desc)
{
fprintf(sub ? subtopics : topics, "%s %s\n", name, desc);
fprintf(output, ".context %s\n.category %s\n.topic %s\n", name, parent, desc);
}
void StartList(char *name, char *desc)
{
fprintf(topics, "%s %s (list)\n", name, desc);
fprintf(subtopics, ".context %s\n.category %s\n.topic %s\n.list\n", name, parent, desc);
strcpy(category, desc);
strcpy(parent, name);
sub = 1;
}
void EndList(void)
{
strcpy(category, "Interrupt-List");
strcpy(parent, "INTLIST");
sub = 0;
}
char *NextID(void)
{
static char ID[32];
static unsigned long CurrentID = 0;
CurrentID++;
sprintf(ID, "IL%04ld", CurrentID);
return ID;
}
int RecognizedTopic(void)
{
char *ptr, topic[64], desc[128];
if ( _fgets(line2, sizeof(line2), input) == NULL )
return 0;
if ( (ptr = strchr(line1, '-')) == NULL )
return 0;
*--ptr = 0;
strcpy(topic, line1);
*ptr = ' ';
if ( topic[strlen(topic) - 1] == 'h' )
topic[strlen(topic) - 1] = 0;
if ( strcmp(category, topic) && sub )
EndList();
strcpy(desc, line1);
desc[strlen(desc) - 1] = 0;
for (ptr = line2 ; isspace(*ptr) ; ptr++)
;
if ( (!strncmp(ptr, "AX =", 4) ||
!strncmp(ptr, "AH =", 4) ||
!strncmp(ptr, "AL =", 4))
&& !sub )
StartList(NextID(), topic);
StartTopic(NextID(), desc);
_fputs(line1, output);
if ( !divider_line(line2) )
_fputs(line2, output);
return 1;
}
void CopyTopic(void)
{
if ( divider_line(line2) )
{ /* kludge for one-line interrupts */
_fgets(line1, sizeof(line2), input);
return;
}
for (;;)
{
if ( _fgets(line1, sizeof(line1), input) == NULL )
break;
if ( !divider_line(line1) )
_fputs(line1, output);
else
{
if ( _fgets(line2, sizeof(line2), input) == NULL )
break;
if ( strncmp(line2, "INT ", 4) )
{
_fputs(line1, output);
_fputs(line2, output);
}
else
{
strcpy(line1, line2);
break;
}
}
}
}
void main(void)
{
fprintf(stderr, "\nINT2QH %s - (c) Kai Uwe Rommel/Bent Lynggaard - %s\n", VERSION, __DATE__);
Initialize();
EndList();
StartTopic("HEADER", "Overview of the Interrupt List");
CopyTopic();
StartTopic("MEMLIST", "BIOS Memory List");
CopyFile("memory.lst");
StartTopic("Primer ", "What is an interrupt?");
CopyFile("interrup.pri") ;
StartTopic("INTERRUP.1ST","How to get/update the Interrupt List");
CopyFile("interrup.1st") ;
while ( RecognizedTopic() )
CopyTopic();
Cleanup();
exit(0);
}
/* End of INT2QH.C */