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parse-options: fix clang opterror() -Wunused-value warning

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a469a10193 (silence some -Wuninitialized false positives;
2012-12-15) triggered "unused value" warnings when the return value of
opterror() and several other error-related functions was not used.
5ded807f7c (fix clang -Wunused-value warnings for error functions;
2013-01-16) applied a fix by adding #if !defined(__clang__) in cache.h
and git-compat-util.h, but misspelled it as #if !defined(clang) in
parse-options.h. Fix this.

This mistake went unnoticed because existing callers of opterror()
utilize its return value.  1158826394 (parse-options: add
OPT_CMDMODE(); 2013-07-30), however, adds a new invocation of opterror()
which ignores the return value, thus triggering the "unused value"
warning.

Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Eric Sunshine 2013-08-09 05:06:17 -04:00 committed by Junio C Hamano
parent 0bf5ce4ef2
commit a3bc3d070c
1 changed files with 1 additions and 1 deletions
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parse-options.h
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@ -177,7 +177,7 @@ extern NORETURN void usage_msg_opt(const char *msg,
extern int optbug(const struct option *opt, const char *reason);
extern int opterror(const struct option *opt, const char *reason, int flags);
#if defined(__GNUC__) && ! defined(clang)
#if defined(__GNUC__) && ! defined(__clang__)
#define opterror(o,r,f) (opterror((o),(r),(f)), -1)
#endif