Mercurial > hg > nginx

comparison src/core/ngx_alloc.c @ 194:2357fa41738a

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
nginx-0.0.1-2003-11-21-09:30:49 import
author Igor Sysoev <igor@sysoev.ru>
date Fri, 21 Nov 2003 06:30:49 +0000
parents afc333135a6b
children 70e1c7d2b83d
comparison
equal deleted inserted replaced
193:dd66383796a5 194:2357fa41738a
3 #include <ngx_core.h> 3 #include <ngx_core.h>
4 4
5 5
6 void *ngx_alloc(size_t size, ngx_log_t *log) 6 void *ngx_alloc(size_t size, ngx_log_t *log)
7 { 7 {
8 void *p; 8 void *p;
9 9
10 p = malloc(size); 10 if (!(p = malloc(size))) {
11 if (p == NULL) {
12 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, 11 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
13 "malloc() %d bytes failed", size); 12 "malloc() %d bytes failed", size);
14 } 13 }
15 14
16 #if (NGX_DEBUG_ALLOC) 15 #if (NGX_DEBUG_ALLOC)
21 } 20 }
22 21
23 22
24 void *ngx_calloc(size_t size, ngx_log_t *log) 23 void *ngx_calloc(size_t size, ngx_log_t *log)
25 { 24 {
26 void *p; 25 void *p;
27 26
28 p = ngx_alloc(size, log); 27 p = ngx_alloc(size, log);
29 if (p) { 28 if (p) {
30 ngx_memzero(p, size); 29 ngx_memzero(p, size);
31 } 30 }
34 } 33 }
35 34
36 35
37 ngx_pool_t *ngx_create_pool(size_t size, ngx_log_t *log) 36 ngx_pool_t *ngx_create_pool(size_t size, ngx_log_t *log)
38 { 37 {
39 ngx_pool_t *p; 38 ngx_pool_t *p;
40 39
41 ngx_test_null(p, ngx_alloc(size, log), NULL); 40 if (!(p = ngx_alloc(size, log))) {
41 return NULL;
42 }
42 43
43 p->last = (char *) p + sizeof(ngx_pool_t); 44 p->last = (char *) p + sizeof(ngx_pool_t);
44 p->end = (char *) p + size; 45 p->end = (char *) p + size;
45 p->next = NULL; 46 p->next = NULL;
46 p->large = NULL; 47 p->large = NULL;
113 } 114 }
114 } 115 }
115 116
116 /* alloc a new pool block */ 117 /* alloc a new pool block */
117 118
118 ngx_test_null(n, ngx_create_pool(p->end - (char *) p, p->log), NULL); 119 if (!(n = ngx_create_pool((size_t) (p->end - (char *) p), p->log))) {
120 return NULL;
121 }
122
119 p->next = n; 123 p->next = n;
120 m = n->last; 124 m = n->last;
121 n->last += size; 125 n->last += size;
122 126
123 return m; 127 return m;
141 } 145 }
142 } 146 }
143 } 147 }
144 148
145 if (large == NULL) { 149 if (large == NULL) {
146 ngx_test_null(large, ngx_palloc(pool, sizeof(ngx_pool_large_t)), NULL); 150 if (!(large = ngx_palloc(pool, sizeof(ngx_pool_large_t)))) {
151 return NULL;
152 }
153
147 large->next = NULL; 154 large->next = NULL;
148 } 155 }
149 156
150 ngx_test_null(p, ngx_alloc(size, pool->log), NULL); 157 if (!(p = ngx_alloc(size, pool->log))) {
158 return NULL;
159 }
151 160
152 if (pool->large == NULL) { 161 if (pool->large == NULL) {
153 pool->large = large; 162 pool->large = large;
154 163
155 } else if (last) { 164 } else if (last) {