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comparison src/core/ngx_output_chain.c @ 320:d621239c30f7

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nginx-0.0.3-2004-04-18-23:06:02 import
author Igor Sysoev <igor@sysoev.ru>
date Sun, 18 Apr 2004 19:06:02 +0000
parents 5cfd65b8b0a7
children af451db3fe99
comparison
equal deleted inserted replaced
319:7a8ebba985a9 320:d621239c30f7
18 int rc, last; 18 int rc, last;
19 size_t size, hsize; 19 size_t size, hsize;
20 ngx_chain_t *cl, *out, **last_out; 20 ngx_chain_t *cl, *out, **last_out;
21 21
22 /* 22 /*
23 * the short path for the case when the chain ctx->in is empty 23 * the short path for the case when the ctx->in chain is empty
24 * and the incoming chain is empty too or it has the single hunk 24 * and the incoming chain is empty too or it has the single hunk
25 * that does not require the copy 25 * that does not require the copy
26 */ 26 */
27 27
28 if (ctx->in == NULL) { 28 if (ctx->in == NULL) {
52 52
53 for ( ;; ) { 53 for ( ;; ) {
54 54
55 while (ctx->in) { 55 while (ctx->in) {
56 56
57 /*
58 * cycle while there are the ctx->in hunks
59 * or there are the free output hunks to copy in
60 */
61
57 if (!ngx_output_chain_need_to_copy(ctx, ctx->in->hunk)) { 62 if (!ngx_output_chain_need_to_copy(ctx, ctx->in->hunk)) {
58 63
59 /* move the chain link to the chain out */ 64 /* move the chain link to the output chain */
60 65
61 cl = ctx->in; 66 cl = ctx->in;
62 ctx->in = cl->next; 67 ctx->in = cl->next;
63 68
64 *last_out = cl; 69 *last_out = cl;
131 break; 136 break;
132 } 137 }
133 return rc; 138 return rc;
134 } 139 }
135 140
136 /* delete the completed hunk from the chain ctx->in */ 141 /* delete the completed hunk from the ctx->in chain */
137 142
138 if (ngx_hunk_size(ctx->in->hunk) == 0) { 143 if (ngx_hunk_size(ctx->in->hunk) == 0) {
139 ctx->in = ctx->in->next; 144 ctx->in = ctx->in->next;
140 } 145 }
141 146
155 160
156 last = ctx->output_filter(ctx->filter_ctx, out); 161 last = ctx->output_filter(ctx->filter_ctx, out);
157 162
158 ngx_chain_update_chains(&ctx->free, &ctx->busy, &out, ctx->tag); 163 ngx_chain_update_chains(&ctx->free, &ctx->busy, &out, ctx->tag);
159 last_out = &out; 164 last_out = &out;
165
166 if (last == NGX_ERROR) {
167 return last;
168 }
160 } 169 }
161 } 170 }
162 171
163 172
164 ngx_inline static int ngx_output_chain_need_to_copy(ngx_output_chain_ctx_t *ctx, 173 ngx_inline static int ngx_output_chain_need_to_copy(ngx_output_chain_ctx_t *ctx,