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minor improvement by using builtin_expect

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This commit is contained in:
Stefan Lankes 2015-07-19 11:04:06 +02:00
parent ccbd363d6d
commit 50bdff1a4f
1 changed files with 1 additions and 1 deletions
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2
hermit/libkern/stdio.c
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@ -67,7 +67,7 @@ int kputchar(int c)
int pos;
/* add place holder for end of string */
if (!c)
if (BUILTIN_EXPECT(!c, 0))
c = '?';
if (early_print != NO_EARLY_PRINT)