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[PATCH v2] kconfig: add unexpected data itself to warning

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If the .config parser runs into unexpected data it emits warnings like:
    .config:6911:warning: unexpected data

Add the unexpected data itself to this warning. That makes it easier to
discover what is actually going wrong:
     .config:6911:warning: unexpected data: CONFOG_CHARGER_TPS65217=m

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
---
This v2 uses strcspn, as Michal suggesed. That turns a two patch series into a
more elegant oneliner. It apparently pays off to know what string.h has to
offer!

 scripts/kconfig/confdata.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c
index 0b7dc2fd7bac..6e22176cd6d6 100644
--- a/scripts/kconfig/confdata.c
+++ b/scripts/kconfig/confdata.c
@@ -377,7 +377,9 @@ load:
 				continue;
 		} else {
 			if (line[0] != '\r' && line[0] != '\n')
-				conf_warning("unexpected data");
+				conf_warning("unexpected data: %.*s",
+					     (int)strcspn(line, "\r\n"), line);
+
 			continue;
 		}
 setsym:
-- 
2.4.3

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[PATCH v2] kconfig: add unexpected data itself to warning Paul Bolle <pebolle@tiscali.nl> - 2016-03-16 21:30 +0100

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