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compositor: Pass the length to opem_stream for one shot scene-graph

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Rather than passing a NULL use sizeloc to pass the size. Otherwise
fflush(3) and fclose(3) would die out crashing in libc.

Use size also when printing out to a subscriber.

Fixes: e9665ef36

Signed-off-by: Marius Vlad <marius.vlad@collabora.com>
This commit is contained in:
Marius Vlad 2026-04-04 07:33:51 +03:00
parent f324d30024
commit d59e58bb79
1 changed files with 3 additions and 2 deletions
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5
libweston/compositor.c
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@ -9900,6 +9900,7 @@ debug_scene_graph_cb(struct weston_log_subscription *sub, void *data)
struct weston_compositor *ec = data;
FILE *fp;
char *str;
size_t ret;
/* If the presentation_clock is CLOCK_REALTIME, then it is
* uninitialized. This means no back-end is loaded yet, so we can't
@ -9907,11 +9908,11 @@ debug_scene_graph_cb(struct weston_log_subscription *sub, void *data)
if (ec->presentation_clock == CLOCK_REALTIME)
return;
fp = open_memstream(&str, NULL);
fp = open_memstream(&str, &ret);
weston_compositor_print_scene_graph(ec, fp);
fclose(fp);
weston_log_subscription_write(sub, str, strlen(str));
weston_log_subscription_write(sub, str, ret);
free(str);
weston_log_subscription_complete(sub);