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include/binary-io.h: guard O_BINARY usage with defined check

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	* binary-io.h: Fix -Wundef compiler warning when O_BINARY is not
	defined. Wrap the check to ensure portability across platforms.

Signed-off-by: Andrew Hanson <andrew@andrewhanson.dev>
This commit is contained in:
Andrew Hanson
2025-09-26 12:22:17 +02:00
committed by Jan Beulich
parent d94cdcc881
commit 65a5bb3c1f
1 changed files with 1 additions and 1 deletions
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include/binary-io.h
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@@ -35,7 +35,7 @@
# undef O_BINARY # undef O_BINARY
# undef O_TEXT # undef O_TEXT
#endif #endif
#if O_BINARY #if defined(O_BINARY) && O_BINARY
# if defined __EMX__ || defined __DJGPP__ || defined __CYGWIN__ # if defined __EMX__ || defined __DJGPP__ || defined __CYGWIN__
# include <io.h> /* declares setmode() */ # include <io.h> /* declares setmode() */
# else # else