| dnl Check for socklen_t: historically on BSD it is an int, and in |
| dnl POSIX 1g it is a type of its own, but some platforms use different |
| dnl types for the argument to getsockopt, getpeername, etc. So we |
| dnl have to test to find something that will work. |
| AC_DEFUN([TYPE_SOCKLEN_T], |
| [ |
| AC_CHECK_TYPE([socklen_t], ,[ |
| AC_MSG_CHECKING([for socklen_t equivalent]) |
| AC_CACHE_VAL([git_cv_socklen_t_equiv], |
| [ |
| # Systems have either "struct sockaddr *" or |
| # "void *" as the second argument to getpeername |
| git_cv_socklen_t_equiv= |
| for arg2 in "struct sockaddr" void; do |
| for t in int size_t unsigned long "unsigned long"; do |
| AC_COMPILE_IFELSE([AC_LANG_PROGRAM([ |
| #include <sys/types.h> |
| #include <sys/socket.h> |
| |
| int getpeername (int, $arg2 *, $t *); |
| ],[ |
| $t len; |
| getpeername(0,0,&len); |
| ])],[ |
| git_cv_socklen_t_equiv="$t" |
| break 2 |
| ]) |
| done |
| done |
| |
| if test "x$git_cv_socklen_t_equiv" = x; then |
| AC_MSG_ERROR([Cannot find a type to use in place of socklen_t]) |
| fi |
| ]) |
| AC_MSG_RESULT($git_cv_socklen_t_equiv) |
| AC_DEFINE_UNQUOTED(socklen_t, $git_cv_socklen_t_equiv, |
| [type to use in place of socklen_t if not defined])], |
| [#include <sys/types.h> |
| #include <sys/socket.h>]) |
| ]) |