Mercurial > hg > nginx-vendor-current
view src/core/ngx_array.c @ 470:6866b490272e NGINX_0_7_47
nginx 0.7.47
*) Bugfix: nginx could not be built on FreeBSD 6 and early versions;
the bug had appeared in 0.7.46.
*) Bugfix: nginx could not be built on MacOSX; the bug had
appeared in 0.7.46.
*) Bugfix: if the "max_size" parameter was set, then the cache manager
might purge a whole cache; the bug had appeared in 0.7.46.
*) Change: a segmentation fault might occur in worker process, if the
"proxy_cache"/"fastcgi_cache" and the "proxy_cache_valid"/
"fastcgi_cache_valid" were set on different levels; the bug had
appeared in 0.7.46.
*) Bugfix: a segmentation fault might occur in worker process, if a
request was redirected to a proxied or FastCGI server via error_page
or try_files; the bug had appeared in 0.7.44.
author | Igor Sysoev <http://sysoev.ru> |
---|---|
date | Wed, 01 Apr 2009 00:00:00 +0400 |
parents | 984bb0b1399b |
children | d0f7a625f27c |
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/* * Copyright (C) Igor Sysoev */ #include <ngx_config.h> #include <ngx_core.h> ngx_array_t * ngx_array_create(ngx_pool_t *p, ngx_uint_t n, size_t size) { ngx_array_t *a; a = ngx_palloc(p, sizeof(ngx_array_t)); if (a == NULL) { return NULL; } a->elts = ngx_palloc(p, n * size); if (a->elts == NULL) { return NULL; } a->nelts = 0; a->size = size; a->nalloc = n; a->pool = p; return a; } void ngx_array_destroy(ngx_array_t *a) { ngx_pool_t *p; p = a->pool; if ((u_char *) a->elts + a->size * a->nalloc == p->d.last) { p->d.last -= a->size * a->nalloc; } if ((u_char *) a + sizeof(ngx_array_t) == p->d.last) { p->d.last = (u_char *) a; } } void * ngx_array_push(ngx_array_t *a) { void *elt, *new; size_t size; ngx_pool_t *p; if (a->nelts == a->nalloc) { /* the array is full */ size = a->size * a->nalloc; p = a->pool; if ((u_char *) a->elts + size == p->d.last && p->d.last + a->size <= p->d.end) { /* * the array allocation is the last in the pool * and there is space for new allocation */ p->d.last += a->size; a->nalloc++; } else { /* allocate a new array */ new = ngx_palloc(p, 2 * size); if (new == NULL) { return NULL; } ngx_memcpy(new, a->elts, size); a->elts = new; a->nalloc *= 2; } } elt = (u_char *) a->elts + a->size * a->nelts; a->nelts++; return elt; } void * ngx_array_push_n(ngx_array_t *a, ngx_uint_t n) { void *elt, *new; size_t size; ngx_uint_t nalloc; ngx_pool_t *p; size = n * a->size; if (a->nelts + n > a->nalloc) { /* the array is full */ p = a->pool; if ((u_char *) a->elts + a->size * a->nalloc == p->d.last && p->d.last + size <= p->d.end) { /* * the array allocation is the last in the pool * and there is space for new allocation */ p->d.last += size; a->nalloc += n; } else { /* allocate a new array */ nalloc = 2 * ((n >= a->nalloc) ? n : a->nalloc); new = ngx_palloc(p, nalloc * a->size); if (new == NULL) { return NULL; } ngx_memcpy(new, a->elts, a->nelts * a->size); a->elts = new; a->nalloc = nalloc; } } elt = (u_char *) a->elts + a->size * a->nelts; a->nelts += n; return elt; }