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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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1
ares/configure.ac
View File

@ -553,6 +553,7 @@ AC_CHECK_MEMBER(struct addrinfo.ai_flags,
AC_CHECK_FUNCS( bitncmp \
isblank \
if_indextoname,
dnl if found
[],

8
ares/setup_once.h
View File

@ -115,7 +115,6 @@
*/
#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)))
@ -125,6 +124,13 @@
#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.

1
configure.ac
View File

@ -1761,6 +1761,7 @@ AC_CHECK_FUNCS( strtoll \
getprotobyname \
getrlimit \
setrlimit \
isblank \
fork,
dnl if found
[],

8
lib/setup_once.h
View File

@ -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.