Harald Hoyer 811c04
From 7e2285a48ac3d86a06a2d94d6c46fcf7011c7dfd Mon Sep 17 00:00:00 2001
Harald Hoyer 811c04
From: Will Woods <wwoods@redhat.com>
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Date: Fri, 27 Jul 2012 13:12:28 -0400
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Subject: [PATCH] add comment for getargbool()
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I always forget how getargbool works. Add a comment documenting it.
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---
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 modules.d/99base/dracut-lib.sh | 7 +++++++
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 1 file changed, 7 insertions(+)
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diff --git a/modules.d/99base/dracut-lib.sh b/modules.d/99base/dracut-lib.sh
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index 2eb1224..3a7be9a 100755
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--- a/modules.d/99base/dracut-lib.sh
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+++ b/modules.d/99base/dracut-lib.sh
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@@ -145,6 +145,13 @@ getarg() {
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     return 1
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 }
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+# getargbool <defaultval> <args...>
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+# False if "getarg <args...>" returns "0", "no", or "off".
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+# True if getarg returns any other non-empty string.
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+# If not found, assumes <defaultval> - usually 0 for false, 1 for true.
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+# example: getargbool 0 rd.info
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+#   true: rd.info, rd.info=1, rd.info=xxx
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+#   false: rd.info=0, rd.info=off, rd.info not present (default val is 0)
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 getargbool() {
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     local _b
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     unset _b