/* $OpenBSD: main.c,v 1.1.1.1 2005/09/19 01:26:46 kurt Exp $ */ /* * Copyright (c) 2005 Kurt Miller * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include #include int mainSymbol; /* * checks that dependent libs are not promoted to RTLD_GLOBAL by mistake. */ int main() { int ret = 0; void *libbb = dlopen("libbb.so", RTLD_LAZY); void *libcc = dlopen("libcc.so", RTLD_LAZY); if (libbb == NULL) { printf("dlopen(\"libbb.so\", RTLD_LAZY) FAILED\n"); return (1); } if (libcc == NULL) { printf("dlopen(\"libcc.so\", RTLD_LAZY) FAILED\n"); return (1); } /* RTLD_DEFAULT should *not* see ccSymbol */ if (dlsym(RTLD_DEFAULT, "ccSymbol") != NULL) { printf("dlsym(RTLD_DEFAULT, \"ccSymbol\") != NULL\n"); ret = 1; } dlclose(libbb); dlclose(libcc); return (ret); }