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limits.h: support gcc's -funsigned-char

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some software apparently uses this and breaks with musl due to
mismatching definitions...
This commit is contained in:
Rich Felker 2012-03-20 21:10:06 -04:00
parent 58bf74850f
commit 80949ccdc6
1 changed files with 10 additions and 2 deletions
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12
include/limits.h
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@ -5,14 +5,22 @@
#include <bits/limits.h>
/* Support signed or unsigned plain-char */
#ifdef __CHAR_UNSIGNED__
#define CHAR_MIN 0
#define CHAR_MAX 255
#else
#define CHAR_MIN (-128)
#define CHAR_MAX 127
#endif
/* Some universal constants... */
#define CHAR_BIT 8
#define SCHAR_MIN (-128)
#define SCHAR_MAX 127
#define UCHAR_MAX 255
#define CHAR_MIN (-128)
#define CHAR_MAX 127
#define SHRT_MIN (-1-0x7fff)
#define SHRT_MAX 0x7fff
#define USHRT_MAX 0xffff