add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/tools/bpf/bpftool/json_writer.c
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@@ -1,13 +1,9 @@
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+// SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-2-Clause)
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 /*
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  * Simple streaming JSON writer
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  *
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  * This takes care of the annoying bits of JSON syntax like the commas
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  * after elements
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- *
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- * This program is free software; you can redistribute it and/or
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- * modify it under the terms of the GNU General Public License
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- * as published by the Free Software Foundation; either version
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- * 2 of the License, or (at your option) any later version.
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  *
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  * Authors:	Stephen Hemminger <stephen@networkplumber.org>
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  */
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@@ -84,9 +80,6 @@
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 		case '"':
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 			fputs("\\\"", self->out);
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 			break;
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-		case '\'':
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-			fputs("\\\'", self->out);
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-			break;
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 		default:
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 			putc(*str, self->out);
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 		}
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@@ -123,6 +116,12 @@
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 	self->pretty = on;
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 }
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+void jsonw_reset(json_writer_t *self)
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+{
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+	assert(self->depth == 0);
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+	self->sep = '\0';
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+}
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+
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 /* Basic blocks */
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 static void jsonw_begin(json_writer_t *self, int c)
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 {