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linux-v4l2: Replace invocations of sprintf with snprintf

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Fixes deprecation warnings in Xcode 14/clang on macOS and reduces
chance of buffer overflows.
This commit is contained in:
PatTheMav
2022-07-28 20:16:40 +02:00
parent ae01a626b6
commit ecdbab6c7a
1 changed files with 8 additions and 2 deletions
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plugins/linux-v4l2/v4l2-input.c
+8 -2
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@@ -416,8 +416,14 @@ static void v4l2_device_list(obs_property_t *prop, obs_data_t *settings)
/* make sure device names are unique */
char unique_device_name[68];
sprintf(unique_device_name, "%s (%s)", video_cap.card,
video_cap.bus_info);
int ret = snprintf(unique_device_name,
sizeof(unique_device_name), "%s (%s)",
video_cap.card, video_cap.bus_info);
if (ret >= sizeof(unique_device_name))
blog(LOG_DEBUG,
"linux-v4l2: A format truncation may have occurred."
" This can be ignored since it is quite improbable.");
obs_property_list_add_string(prop, unique_device_name,
device.array);
blog(LOG_INFO, "Found device '%s' at %s", video_cap.card,