test allocated space as in try_files

This commit is contained in:
Igor Sysoev 2009-01-27 16:20:29 +00:00
parent 6c5c793403
commit e46f19f7c4

View File

@ -96,7 +96,7 @@ static ngx_int_t
ngx_http_index_handler(ngx_http_request_t *r)
{
u_char *p, *name;
size_t len, nlen, root, allocated;
size_t len, root, reserve, allocated;
ngx_int_t rc;
ngx_str_t path, uri;
ngx_uint_t i, dir_tested;
@ -128,6 +128,7 @@ ngx_http_index_handler(ngx_http_request_t *r)
root = 0;
dir_tested = 0;
name = NULL;
/* suppress MSVC warning */
path.data = NULL;
index = ilcf->indices->elts;
@ -139,8 +140,8 @@ ngx_http_index_handler(ngx_http_request_t *r)
return ngx_http_internal_redirect(r, &index[i].name, &r->args);
}
len = ilcf->max_index_len;
nlen = index[i].name.len;
reserve = ilcf->max_index_len;
len = index[i].name.len;
} else {
ngx_memzero(&e, sizeof(ngx_http_script_engine_t));
@ -149,8 +150,7 @@ ngx_http_index_handler(ngx_http_request_t *r)
e.request = r;
e.flushed = 1;
/* 1 byte for terminating '\0' */
/* 1 is for terminating '\0' as in static names */
len = 1;
while (*(uintptr_t *) e.ip) {
@ -158,21 +158,19 @@ ngx_http_index_handler(ngx_http_request_t *r)
len += lcode(&e);
}
nlen = len;
/* 16 bytes are preallocation */
len += 16;
reserve = len + 16;
}
if (len > (size_t) (path.data + allocated - name)) {
if (reserve > allocated) {
name = ngx_http_map_uri_to_path(r, &path, &root, len);
name = ngx_http_map_uri_to_path(r, &path, &root, reserve);
if (name == NULL) {
return NGX_ERROR;
}
allocated = path.len;
allocated = path.data + path.len - name;
}
if (index[i].values == NULL) {
@ -193,7 +191,7 @@ ngx_http_index_handler(ngx_http_request_t *r)
}
if (*name == '/') {
uri.len = nlen - 1;
uri.len = len - 1;
uri.data = name;
return ngx_http_internal_redirect(r, &uri, &r->args);
}
@ -248,7 +246,7 @@ ngx_http_index_handler(ngx_http_request_t *r)
return NGX_HTTP_INTERNAL_SERVER_ERROR;
}
uri.len = r->uri.len + nlen - 1;
uri.len = r->uri.len + len - 1;
if (!clcf->alias) {
uri.data = path.data + root;
@ -260,7 +258,7 @@ ngx_http_index_handler(ngx_http_request_t *r)
}
p = ngx_copy(uri.data, r->uri.data, r->uri.len);
ngx_memcpy(p, name, nlen - 1);
ngx_memcpy(p, name, len - 1);
}
return ngx_http_internal_redirect(r, &uri, &r->args);
@ -491,7 +489,7 @@ ngx_http_index_set_index(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
continue;
}
/* include the terminating '\0' to the length to use ngx_copy() */
/* include the terminating '\0' to the length to use ngx_memcpy() */
index->name.len++;
continue;