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From 2ab6e6ae9853e410310268efc0cea7f2276979ee Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Zbigniew=20J=C4=99drzejewski-Szmek?= <zbyszek@in.waw.pl>
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Date: Tue, 20 Oct 2020 17:12:42 +0200
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Subject: [PATCH] sd-hwdb: allow empty properties
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So far we didn't allow empty properties, but it makes sense to do so, for
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example to distinguish empty data from lack of data. It also makes it easy to
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override properties (back to the empty) value for specific cases.
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(cherry picked from commit afe87974dd57741f74dd87165b251886f24c859f)
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Related: #2005009
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---
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src/hwdb/hwdb.c | 5 ++---
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1 file changed, 2 insertions(+), 3 deletions(-)
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diff --git a/src/hwdb/hwdb.c b/src/hwdb/hwdb.c
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index 317cad8a67..af085cdb75 100644
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--- a/src/hwdb/hwdb.c
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+++ b/src/hwdb/hwdb.c
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@@ -462,10 +462,9 @@ static int insert_data(struct trie *trie, char **match_list, char *line,
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while (isblank(line[0]) && isblank(line[1]))
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line++;
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- if (isempty(line + 1) || isempty(value))
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+ if (isempty(line + 1))
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return log_syntax(NULL, LOG_WARNING, filename, line_number, EINVAL,
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- "Empty %s in \"%s=%s\", ignoring",
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- isempty(line + 1) ? "key" : "value",
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+ "Empty key in \"%s=%s\", ignoring",
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line, value);
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STRV_FOREACH(entry, match_list)
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