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author | Igor Sysoev <igor@sysoev.ru> | 2017-08-31 00:42:16 +0300 |
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committer | Igor Sysoev <igor@sysoev.ru> | 2017-08-31 00:42:16 +0300 |
commit | f0e9e3ace94c82fab78ab1d4ee8c3042f3e94fdf (patch) | |
tree | 74fab38d3799598febc98aaabb0f5902d7dc5a0e /src/go/unit/nxt_go_array.c | |
parent | 61606835448554a7ee9a4431d732e1f2a9318376 (diff) | |
download | unit-f0e9e3ace94c82fab78ab1d4ee8c3042f3e94fdf.tar.gz unit-f0e9e3ace94c82fab78ab1d4ee8c3042f3e94fdf.tar.bz2 |
nginext has been renamed to unit.
Diffstat (limited to 'src/go/unit/nxt_go_array.c')
-rw-r--r-- | src/go/unit/nxt_go_array.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/src/go/unit/nxt_go_array.c b/src/go/unit/nxt_go_array.c new file mode 100644 index 00000000..f409cb10 --- /dev/null +++ b/src/go/unit/nxt_go_array.c @@ -0,0 +1,66 @@ + +/* + * Copyright (C) Max Romanov + * Copyright (C) NGINX, Inc. + */ + +#ifndef NXT_CONFIGURE + +#include <stdint.h> +#include <sys/types.h> + +#include <nxt_main.h> + +#include "nxt_go_array.h" + +void +nxt_go_array_init(nxt_array_t *array, nxt_uint_t n, size_t size) +{ + array->elts = malloc(n * size); + + if (nxt_slow_path(n != 0 && array->elts == NULL)) { + return; + } + + array->nelts = 0; + array->size = size; + array->nalloc = n; + array->mem_pool = NULL; +} + +void * +nxt_go_array_add(nxt_array_t *array) +{ + void *p; + uint32_t nalloc, new_alloc; + + nalloc = array->nalloc; + + if (array->nelts == nalloc) { + + if (nalloc < 16) { + /* Allocate new array twice larger than current. */ + new_alloc = nalloc * 2; + + } else { + /* Allocate new array 1.5 times larger than current. */ + new_alloc = nalloc + nalloc / 2; + } + + p = realloc(array->elts, array->size * new_alloc); + + if (nxt_slow_path(p == NULL)) { + return NULL; + } + + array->elts = p; + array->nalloc = new_alloc; + } + + p = nxt_pointer_to(array->elts, array->size * array->nelts); + array->nelts++; + + return p; +} + +#endif /* NXT_CONFIGURE */ |