dwm picom added

dwm/picom/src/xrescheck.c

@@ -0,0 +1,65 @@
+// SPDX-License-Identifier: MIT
+// Copyright (c) 2014 Richard Grenville <pyxlcy@gmail.com>
+
+#include "compiler.h"
+#include "log.h"
+
+#include "xrescheck.h"
+
+static xrc_xid_record_t *gs_xid_records = NULL;
+
+#define HASH_ADD_XID(head, xidfield, add) HASH_ADD(hh, head, xidfield, sizeof(xid), add)
+
+#define HASH_FIND_XID(head, findxid, out) HASH_FIND(hh, head, findxid, sizeof(xid), out)
+
+#define M_CPY_POS_DATA(prec)                                                             \
+	prec->file = file;                                                               \
+	prec->func = func;                                                               \
+	prec->line = line;
+
+/**
+ * @brief Add a record of given XID to the allocation table.
+ */
+void xrc_add_xid_(XID xid, const char *type, M_POS_DATA_PARAMS) {
+	auto prec = ccalloc(1, xrc_xid_record_t);
+	prec->xid = xid;
+	prec->type = type;
+	M_CPY_POS_DATA(prec);
+
+	HASH_ADD_XID(gs_xid_records, xid, prec);
+}
+
+/**
+ * @brief Delete a record of given XID in the allocation table.
+ */
+void xrc_delete_xid_(XID xid, M_POS_DATA_PARAMS) {
+	xrc_xid_record_t *prec = NULL;
+	HASH_FIND_XID(gs_xid_records, &xid, prec);
+	if (!prec) {
+		log_error("XRC: %s:%d %s(): Can't find XID %#010lx we want to delete.",
+		          file, line, func, xid);
+		return;
+	}
+	HASH_DEL(gs_xid_records, prec);
+	free(prec);
+}
+
+/**
+ * @brief Report about issues found in the XID allocation table.
+ */
+void xrc_report_xid(void) {
+	for (xrc_xid_record_t *prec = gs_xid_records; prec; prec = prec->hh.next)
+		log_trace("XRC: %s:%d %s(): %#010lx (%s) not freed.\n", prec->file,
+		          prec->line, prec->func, prec->xid, prec->type);
+}
+
+/**
+ * @brief Clear the XID allocation table.
+ */
+void xrc_clear_xid(void) {
+	xrc_xid_record_t *prec = NULL, *ptmp = NULL;
+	HASH_ITER(hh, gs_xid_records, prec, ptmp) {
+		HASH_DEL(gs_xid_records, prec);
+		free(prec);
+	}
+}