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rcxml: avoid crash when checking environment for WLR_DRM_NO_ATOMIC

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Andrew J. Hesford 2024-01-08 18:19:12 -05:00 • committed by Andrew J. Hesford
parent 78418b6dd3
commit 417fa21a8e
1 changed files with 6 additions and 3 deletions
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9
src/config/rcxml.c
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@ -742,9 +742,12 @@ entry(xmlNode *node, char *nodename, char *content)
set_adaptive_sync_mode(content, &rc.adaptive_sync);
} else if (!strcasecmp(nodename, "allowTearing.core")) {
set_bool(content, &rc.allow_tearing);
if (rc.allow_tearing && strcmp(getenv("WLR_DRM_NO_ATOMIC"), "1")) {
rc.allow_tearing = false;
wlr_log(WLR_INFO, "WLR_DRM_NO_ATOMIC is not 1, tearing disabled");
if (rc.allow_tearing) {
char *no_atomic_env = getenv("WLR_DRM_NO_ATOMIC");
if (!no_atomic_env || strcmp(no_atomic_env, "1") != 0) {
rc.allow_tearing = false;
wlr_log(WLR_ERROR, "tearing requires WLR_DRM_NO_ATOMIC=1");
}
}
} else if (!strcasecmp(nodename, "reuseOutputMode.core")) {
set_bool(content, &rc.reuse_output_mode);