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Commit | Line | Data |
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e88a135b GV |
1 | dnl Check for socklen_t: historically on BSD it is an int, and in |
2 | dnl POSIX 1g it is a type of its own, but some platforms use different | |
3 | dnl types for the argument to getsockopt, getpeername, etc. So we | |
4 | dnl have to test to find something that will work. | |
5 | AC_DEFUN([TYPE_SOCKLEN_T], | |
6 | [ | |
7 | AC_CHECK_TYPE([socklen_t], ,[ | |
8 | AC_MSG_CHECKING([for socklen_t equivalent]) | |
9 | AC_CACHE_VAL([git_cv_socklen_t_equiv], | |
10 | [ | |
11 | # Systems have either "struct sockaddr *" or | |
12 | # "void *" as the second argument to getpeername | |
13 | git_cv_socklen_t_equiv= | |
14 | for arg2 in "struct sockaddr" void; do | |
15 | for t in int size_t unsigned long "unsigned long"; do | |
1e58dba1 | 16 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([ |
e88a135b GV |
17 | #include <sys/types.h> |
18 | #include <sys/socket.h> | |
19 | ||
20 | int getpeername (int, $arg2 *, $t *); | |
21 | ],[ | |
22 | $t len; | |
23 | getpeername(0,0,&len); | |
1e58dba1 | 24 | ])],[ |
e88a135b GV |
25 | git_cv_socklen_t_equiv="$t" |
26 | break 2 | |
27 | ]) | |
28 | done | |
29 | done | |
30 | ||
31 | if test "x$git_cv_socklen_t_equiv" = x; then | |
32 | AC_MSG_ERROR([Cannot find a type to use in place of socklen_t]) | |
33 | fi | |
34 | ]) | |
35 | AC_MSG_RESULT($git_cv_socklen_t_equiv) | |
36 | AC_DEFINE_UNQUOTED(socklen_t, $git_cv_socklen_t_equiv, | |
37 | [type to use in place of socklen_t if not defined])], | |
38 | [#include <sys/types.h> | |
39 | #include <sys/socket.h>]) | |
40 | ]) |