Commit be71ccbc authored by Yang Tse's avatar Yang Tse
Browse files

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

provide a suitable replacement for use in our ISBLANK macro
parent 0db485a4

ares/configure.ac

+1 −0
Original line number Diff line number Diff line
@@ -553,6 +553,7 @@ AC_CHECK_MEMBER(struct addrinfo.ai_flags, 




AC_CHECK_FUNCS( bitncmp \

                isblank \

                if_indextoname,

dnl if found

[],

ares/setup_once.h

+7 −1
Original line number Diff line number Diff line
@@ -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.

configure.ac

+1 −0
Original line number Diff line number Diff line
@@ -1761,6 +1761,7 @@ AC_CHECK_FUNCS( strtoll \ 
                getprotobyname \

                getrlimit \

                setrlimit \

                isblank \

                fork,

dnl if found

[],

lib/setup_once.h

+7 −1
Original line number Diff line number Diff line
@@ -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.