diff options
| -rw-r--r-- | acinclude.m4 | 78 | ||||
| -rw-r--r-- | configure.ac | 2 |
2 files changed, 80 insertions, 0 deletions
diff --git a/acinclude.m4 b/acinclude.m4 index 6cbc3c4e8..72c5372d9 100644 --- a/acinclude.m4 +++ b/acinclude.m4 @@ -687,6 +687,84 @@ if test "$ac_cv_func_gethostbyname_r" = "yes"; then fi ]) + +dnl CURL_FUNC_GETNAMEINFO_ARGTYPES +dnl ------------------------------ +dnl This function is experimental and its results shall +dnl not be trusted while this notice is in place ------ + +AC_DEFUN([CURL_FUNC_GETNAMEINFO_ARGTYPES], [ + AC_REQUIRE([TYPE_SOCKLEN_T])dnl + AC_CHECK_HEADERS(sys/types.h sys/socket.h netdb.h) + AC_CACHE_CHECK([types of arguments for getnameinfo], + [curl_cv_func_getnameinfo_args], [ + for gni_arg2 in 'socklen_t' 'size_t' 'int'; do + for gni_arg46 in 'size_t' 'int' 'socklen_t'; do + for gni_arg7 in 'int' 'unsigned int'; do + AC_COMPILE_IFELSE([ + AC_LANG_PROGRAM([ + + #ifdef HAVE_SYS_TYPES_H + #include <sys/types.h> + #endif + #ifdef HAVE_SYS_SOCKET_H + #include <sys/socket.h> + #endif + #ifdef HAVE_NETDB_H + #include <netdb.h> + #endif + + extern int getnameinfo(const struct sockaddr *, + $gni_arg2, + char *, + $gni_arg46, + char *, + $gni_arg46, + $gni_arg7); + + ],[ + + int res; + struct sockaddr *sa=NULL; + $gni_arg2 salen=0; + char *host=NULL; + $gni_arg46 hostlen=0; + char *serv=NULL; + $gni_arg46 servlen=0; + $gni_arg7 flags=0; + + res = getnameinfo(sa, + salen, + host, + hostlen, + serv, + servlen, + flags); + + ]) + ],[ + curl_cv_func_getnameinfo_args="$gni_arg2,$gni_arg46,$gni_arg7" + break 3 + ]) + done + done + done + # Provide widely used default values. + : ${curl_cv_func_getnameinfo_args='socklen_t,size_t,int'} + ]) + gni_prev_IFS=$IFS; IFS=',' + set dummy `echo "$curl_cv_func_getnameinfo_args" | sed 's/\*/\*/g'` + IFS=$gni_prev_IFS + shift + AC_DEFINE_UNQUOTED(GETNAMEINFO_TYPE_ARG2, $[1], + [Define to the type of arg 2 for `getnameinfo'.]) + AC_DEFINE_UNQUOTED(GETNAMEINFO_TYPE_ARG46, ($[2]), + [Define to the type of args 4 and 6 for `getnameinfo'.]) + AC_DEFINE_UNQUOTED(GETNAMEINFO_TYPE_ARG7, ($[3]), + [Define to the type of arg 7 for `getnameinfo'.]) +]) + + dnl We create a function for detecting which compiler we use and then set as dnl pendantic compiler options as possible for that particular compiler. The dnl options are only used for debug-builds. diff --git a/configure.ac b/configure.ac index 5d8b2f7b3..1a91c3dd1 100644 --- a/configure.ac +++ b/configure.ac @@ -1500,6 +1500,8 @@ TYPE_SOCKADDR_STORAGE AC_FUNC_SELECT_ARGTYPES +CURL_FUNC_GETNAMEINFO_ARGTYPES + dnl Checks for library functions. dnl AC_PROG_GCC_TRADITIONAL AC_TYPE_SIGNAL |