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If debugging, print verbose output about internals of getkey operation

This commit is contained in:
Paul LeoNerd Evans 2008-11-09 19:48:06 +00:00
parent 09edf2377f
commit aef2e91277
1 changed files with 61 additions and 2 deletions
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63
termkey.c
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@ -506,10 +506,47 @@ static termkey_result getkey_simple(termkey_t *tk, termkey_key *key, int force)
} }
} }
#ifdef DEBUG
static void print_buffer(termkey_t *tk)
{
int i;
for(i = 0; i < tk->buffcount && i < 20; i++)
fprintf(stderr, "%02x ", CHARAT(i));
if(tk->buffcount > 20)
fprintf(stderr, "...");
}
static const char *res2str(termkey_result res)
{
switch(res) {
case TERMKEY_RES_KEY:
return "TERMKEY_RES_KEY";
case TERMKEY_RES_EOF:
return "TERMKEY_RES_EOF";
case TERMKEY_RES_AGAIN:
return "TERMKEY_RES_AGAIN";
case TERMKEY_RES_NONE:
return "TERMKEY_RES_NONE";
}
return "unknown";
}
#endif
termkey_result termkey_getkey(termkey_t *tk, termkey_key *key) termkey_result termkey_getkey(termkey_t *tk, termkey_key *key)
{ {
#ifdef DEBUG
fprintf(stderr, "getkey(): buffer ");
print_buffer(tk);
fprintf(stderr, "\n");
#endif
termkey_result ret = (*tk->driver.getkey)(tk, tk->driver_info, key, 0); termkey_result ret = (*tk->driver.getkey)(tk, tk->driver_info, key, 0);
#ifdef DEBUG
fprintf(stderr, "Driver %s yields %s\n", tk->driver.name, res2str(ret));
#endif
switch(ret) { switch(ret) {
case TERMKEY_RES_KEY: case TERMKEY_RES_KEY:
case TERMKEY_RES_EOF: case TERMKEY_RES_EOF:
@ -520,13 +557,29 @@ termkey_result termkey_getkey(termkey_t *tk, termkey_key *key)
break; break;
} }
return getkey_simple(tk, key, 0); ret = getkey_simple(tk, key, 0);
#ifdef DEBUG
fprintf(stderr, "getkey_simple(force=0) yields %s\n", res2str(ret));
#endif
return ret;
} }
termkey_result termkey_getkey_force(termkey_t *tk, termkey_key *key) termkey_result termkey_getkey_force(termkey_t *tk, termkey_key *key)
{ {
#ifdef DEBUG
fprintf(stderr, "getkey_force(): buffer ");
print_buffer(tk);
fprintf(stderr, "\n");
#endif
termkey_result ret = (*tk->driver.getkey)(tk, tk->driver_info, key, 1); termkey_result ret = (*tk->driver.getkey)(tk, tk->driver_info, key, 1);
#ifdef DEBUG
fprintf(stderr, "Driver %s yields %s\n", tk->driver.name, res2str(ret));
#endif
switch(ret) { switch(ret) {
case TERMKEY_RES_KEY: case TERMKEY_RES_KEY:
case TERMKEY_RES_EOF: case TERMKEY_RES_EOF:
@ -537,7 +590,13 @@ termkey_result termkey_getkey_force(termkey_t *tk, termkey_key *key)
break; break;
} }
return getkey_simple(tk, key, 1); ret = getkey_simple(tk, key, 1);
#ifdef DEBUG
fprintf(stderr, "getkey_simple(force=1) yields %s\n", res2str(ret));
#endif
return ret;
} }
termkey_result termkey_waitkey(termkey_t *tk, termkey_key *key) termkey_result termkey_waitkey(termkey_t *tk, termkey_key *key)