Upstream commit:
    Date: Tue, 25 May 2010 20:55:05 +0800
    [VAR] Move unsetvar functionality into setvareq
    This patch moves the unsetvar code into setvareq so that we can
    no have a pathological case of an unset variable hanging around
    unless it has a bit pinning it like VEXPORT.
    Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
function                                             old     new   delta
setvareq                                             227     303     +76
expmeta                                              517     521      +4
localcmd                                             364     366      +2
unsetcmd                                              96      76     -20
unsetvar                                             129       7    -122
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(add/remove: 0/0 grow/shrink: 3/2 up/down: 82/-142)           Total: -60 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
		
	
		
			
				
	
	
		
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			14 lines
		
	
	
		
			260 B
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
readonly a='A'
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readonly b='B'
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Ok:0
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./readonly0.tests: line 19: a: is read only
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Fail:2
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./readonly0.tests: readonly: line 21: a: is read only
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Fail:2
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./readonly0.tests: export: line 27: a: is read only
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Fail:2
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./readonly0.tests: unset: line 44: a: is read only
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