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Suppress ‘function types not truly compatible in ISO C’ warnings.

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These warnings are unavoidable when we redefine connect() and sendto()
since the GNU C library implements them using transparent unions as
their ‘sockaddr’ parameter, which we're not really supposed to be aware
of.

Implementing our own versions with transparent unions only introduces
more incompatibility with ISO C warnings, so we resort to using pragmas
to suppress them explicitly.
This commit is contained in:
Carlos Maddela 2016-12-09 15:45:25 +11:00
parent 07f29d813c
commit e0edbb6598
1 changed files with 19 additions and 0 deletions
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19
src/libproxychains.c
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@ -45,6 +45,10 @@
#define SOCKFAMILY(x) (satosin(x)->sin_family)
#define MAX_CHAIN 512
#if defined __GNUC_PREREQ && __GNUC_PREREQ(4, 7)
# define HAVE_GCC_DIAGNOSTIC
#endif
close_t true_close;
connect_t true_connect;
gethostbyname_t true_gethostbyname;
@ -336,7 +340,15 @@ static int is_v4inv6(const struct in6_addr *a) {
return a->s6_addr32[0] == 0 && a->s6_addr32[1] == 0 &&
a->s6_addr16[4] == 0 && a->s6_addr16[5] == 0xffff;
}
#if defined HAVE_GCC_DIAGNOSTIC
# pragma GCC diagnostic push
# pragma GCC diagnostic ignored "-Wpedantic"
#endif
int connect(int sock, const struct sockaddr *addr, socklen_t len) {
#if defined HAVE_GCC_DIAGNOSTIC
# pragma GCC diagnostic pop
#endif
INIT();
PFUNC();
@ -517,8 +529,15 @@ struct hostent *gethostbyaddr(const void *addr, socklen_t len, int type) {
# define MSG_FASTOPEN 0x20000000
#endif
#if defined HAVE_GCC_DIAGNOSTIC
# pragma GCC diagnostic push
# pragma GCC diagnostic ignored "-Wpedantic"
#endif
ssize_t sendto(int sockfd, const void *buf, size_t len, int flags,
const struct sockaddr *dest_addr, socklen_t addrlen) {
#if defined HAVE_GCC_DIAGNOSTIC
# pragma GCC diagnostic pop
#endif
INIT();
PFUNC();
if (flags & MSG_FASTOPEN) {