blob: 7d330853734ff6eee2f2065b155bdfb3a3a24854 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
|
/*
* malloc.c: safe wrappers around malloc, realloc, free, strdup
*/
#include <stdlib.h>
#include "buttress.h"
/*
* smalloc should guarantee to return a useful pointer - buttress
* can do nothing except die when it's out of memory anyway
*/
void *smalloc(int size) {
void *p = malloc(size);
if (!p)
fatal(err_nomemory);
return p;
}
/*
* sfree should guaranteeably deal gracefully with freeing NULL
*/
void sfree(void *p) {
if (p)
free(p);
}
/*
* srealloc should guaranteeably be able to realloc NULL
*/
void *srealloc(void *p, int size) {
void *q;
if (p)
q = realloc(p, size);
else
q = malloc(size);
if (!q)
fatal(err_nomemory);
return q;
}
/*
* Free a linked list of words
*/
void free_word_list(word *w) {
word *t;
while (w) {
t = w;
w = w->next;
sfree(t);
}
}
/*
* Free a linked list of paragraphs
*/
void free_para_list(paragraph *p) {
paragraph *t;
while (p) {
t = p;
p = p->next;
sfree(t);
}
}
|
