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check for isblank() at configuration stage. If not available

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provide a suitable replacement for use in our ISBLANK macro
This commit is contained in:
Yang Tse 2007-02-13 19:01:03 +00:00
parent 0db485a448
commit be71ccbce3
4 changed files with 16 additions and 2 deletions
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8
lib/setup_once.h
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@ -122,7 +122,6 @@
*/
#define ISSPACE(x) (isspace((int) ((unsigned char)x)))
#define ISBLANK(x) (isblank((int) ((unsigned char)x)))
#define ISDIGIT(x) (isdigit((int) ((unsigned char)x)))
#define ISALNUM(x) (isalnum((int) ((unsigned char)x)))
#define ISXDIGIT(x) (isxdigit((int) ((unsigned char)x)))
@ -132,6 +131,13 @@
#define ISUPPER(x) (isupper((int) ((unsigned char)x)))
#define ISLOWER(x) (islower((int) ((unsigned char)x)))
#ifdef HAVE_ISBLANK
#define ISBLANK(x) (isblank((int) ((unsigned char)x)))
#else
#define ISBLANK(x) (int)((((unsigned char)x) == ' ') || \
(((unsigned char)x) == '\t'))
#endif
/*
* Typedef to 'int' if sig_atomic_t is not an available 'typedefed' type.