i3 - improved tiling WM

Don't dup2() the parent's stdout to child's stdin.

Patch status: merged

Patch by Yuxuan Shui

Long description:

There're DLOG()s, seriously.

To apply this patch, use:
curl http://cr.i3wm.org/patch/112/raw.patch | git am

b/i3bar/src/child.c

14 
@@ -57,6 +57,8 @@ parser_ctx parser_context;
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 struct statusline_head statusline_head = TAILQ_HEAD_INITIALIZER(statusline_head);
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 char *statusline_buffer = NULL;
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+int child_stdin;
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+
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 /*
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  * Stop and free() the stdin- and sigchild-watchers
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  *
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@@ -359,9 +361,8 @@ void child_write_output(void) {
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         const unsigned char *output;
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         size_t size;
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         yajl_gen_get_buf(gen, &output, &size);
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-        fwrite(output, 1, size, stdout);
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-        fwrite("\n", 1, 1, stdout);
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-        fflush(stdout);
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+        write(child_stdin, output, size);
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+        write(child_stdin, "\n", 1);
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         yajl_gen_clear(gen);
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     }
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 }
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@@ -430,7 +431,7 @@ void start_child(char *command) {
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                 close(pipe_out[0]);
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                 dup2(pipe_in[0], STDIN_FILENO);
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-                dup2(pipe_out[1], STDOUT_FILENO);
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+                child_stdin = pipe_out[1];
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                 break;
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         }