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add extern "C" to __errno_location's definition if in __cplusplus file

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Alex Brachet 2020-03-09 03:10:59 -04:00
parent bdcbdb4848
commit 129c8b8081
1 changed files with 3 additions and 0 deletions
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3
libc/config/linux/api.td
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@ -27,6 +27,9 @@ def NullMacro : MacroDef<"NULL"> {
def ErrnoMacro : MacroDef<"errno"> {
let Defn = [{
#ifdef __cplusplus
extern "C"
#endif
int *__errno_location();
#define errno (*__errno_location())
}];