1 #include <u.h>
2 #include <libc.h>
3 #include <bio.h>
4 #include <ctype.h>
5 #include <ndb.h>
6 #include "ndbhf.h"
7 
8 /*
9  *  free a parsed entry
10  */
11 void
12 ndbfree(Ndbtuple *t)
13 {
14 	Ndbtuple *tn;
15 
16 	for(; t; t = tn){
17 		tn = t->entry;
18 		if(t->val != t->valbuf){
19 			free(t->val);
20 		}
21 		free(t);
22 	}
23 }
24 
25 /*
26  *  set a value in a tuple
27  */
28 void
29 ndbsetval(Ndbtuple *t, char *val, int n)
30 {
31 	if(n < Ndbvlen){
32 		if(t->val != t->valbuf){
33 			free(t->val);
34 			t->val = t->valbuf;
35 		}
36 	} else {
37 		if(t->val != t->valbuf)
38 			t->val = realloc(t->val, n+1);
39 		else
40 			t->val = malloc(n+1);
41 		if(t->val == nil)
42 			sysfatal("ndbsetval %r");
43 	}
44 	strncpy(t->val, val, n);
45 	t->val[n] = 0;
46 }
47 
48 /*
49  *  allocate a tuple
50  */
51 Ndbtuple*
52 ndbnew(char *attr, char *val)
53 {
54 	Ndbtuple *t;
55 
56 	t = mallocz(sizeof(*t), 1);
57 	if(t == nil)
58 		sysfatal("ndbnew %r");
59 	if(attr != nil)
60 		strncpy(t->attr, attr, sizeof(t->attr)-1);
61 	t->val = t->valbuf;
62 	if(val != nil)
63 		ndbsetval(t, val, strlen(val));
64 	return t;
65 }