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/**
* Decode trace type using text file
* wumpus 2003 -- www.blacksphere.tk
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <signal.h>
#include "wmx-util.h"
#include "wmx-list.h"
static void wmx_tracelist_init(struct wmx_tracelist *tl)
{
tl->entries = 0;
tl->max = 10;
tl->records = malloc(tl->max * sizeof(struct wmx_tracetype));
}
static void wmx_tracelist_add(struct wmx_tracelist *tl, int type, char *desc)
{
/* Possibly expand list */
if(tl->entries == tl->max) {
tl->max *= 2;
tl->records = realloc(tl->records, tl->max * sizeof(struct wmx_tracetype));
}
/* Add record */
tl->records[tl->entries].type = type;
tl->records[tl->entries].desc = strdup(desc);
/* Increase number of entries */
tl->entries++;
//printf("%04x %04x\n", tl->entries, tl->max);
}
static void wmx_tracelist_free(struct wmx_tracelist *tl)
{
int x;
for(x=0; x<tl->entries; x++) free(tl->records[x].desc);
free(tl->records);
tl->entries = tl->max = 0;
tl->records = NULL;
}
/** Comparision function for bsearch */
static int compar(const void *a, const void *b)
{
int typea = ((struct wmx_tracetype*)a)->type;
int typeb = ((struct wmx_tracetype*)b)->type;
if(typea < typeb) return -1;
if(typea > typeb) return 1;
return 0;
}
/**
* Look up debug trace type
*/
static struct wmx_tracetype *wmx_tracelist_search(struct wmx_tracelist *tl, int type)
{
/*
int x;
for(x=0; x<tl->entries; x++)
if(tl->records[x].type == type)
return &tl->records[x];
return NULL;
*/
struct wmx_tracetype key;
key.type = type;
return bsearch(&key, tl->records, tl->entries, sizeof(struct wmx_tracetype), &compar);
}
struct wmx_tracestruct *wmx_tracestruct_load(char *listfile)
{
char data[256];
FILE *f;
struct wmx_tracestruct *tl;
int tpe;
f = fopen(listfile, "r");
if(f == NULL) return NULL;
printf("Loading\n");
tl = malloc(sizeof(struct wmx_tracestruct));
wmx_tracelist_init(&tl->minors);
wmx_tracelist_init(&tl->majors);
while(fgets(data, sizeof(data), f)) {
int l = strlen(data);
if(l > 0 && data[l-1]=='\n') l--;
data[l] = 0;
if(l < 6)
/* Empty/invalid line */
continue;
if(data[2] == 'X' && data[3] == 'X') {
sscanf(data, "%02X", &tpe);
wmx_tracelist_add(&tl->majors, tpe, &data[5]);
} else {
sscanf(data, "%04X", &tpe);
wmx_tracelist_add(&tl->minors, tpe, &data[5]);
}
}
fclose(f);
return tl;
}
struct wmx_tracetype *wmx_tracestruct_querymajor(struct wmx_tracestruct * ts, int type) {
return wmx_tracelist_search(&ts->majors, type);
}
struct wmx_tracetype *wmx_tracestruct_queryminor(struct wmx_tracestruct * ts, int type) {
return wmx_tracelist_search(&ts->minors, type);
}
void wmx_tracestruct_free(struct wmx_tracestruct * ts) {
wmx_tracelist_free(&ts->minors);
wmx_tracelist_free(&ts->majors);
free(ts);
}
/*
main() {
int x;
struct wmx_tracestruct * tstruct= wmx_tracestruct_load(
"/home/orion/projects/blacksphere/tables/nhm5_587.txt");
printf("%s\n", wmx_tracestruct_queryminor(tstruct, 0x1802)->desc);
}
*/
/* How should editor hadle tabs in this file? Add editor commands here.
* vim: noexpandtab sw=8 ts=8 sts=8:
*/
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