Mercurial > pub > dyncall > dyncall
diff dynload/dynload_darwin.c @ 0:3e629dc19168
initial from svn dyncall-1745
author | Daniel Adler |
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date | Thu, 19 Mar 2015 22:24:28 +0100 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dynload/dynload_darwin.c Thu Mar 19 22:24:28 2015 +0100 @@ -0,0 +1,90 @@ +/* + + Package: dyncall + Library: dynload + File: dynload/dynload_darwin.c + Description: dynload module for .dylib (mach-o darwin/OS X) files + License: + + Copyright (c) 2007-2015 Olivier Chafik <olivier.chafik@gmail.com> + Minor bug-fix modifications by Daniel Adler. + + 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. + +*/ + + + +/* + + dynload_darwin.c + + dynload module for .dylib (mach-o darwin/OS X) files + +*/ + + +#include "dynload.h" +#include "dynload_alloc.h" +#include <dlfcn.h> +#include <string.h> + +struct DLLib_ +{ + char* libPath; + void* handle; +}; + + +DLLib* dlLoadLibrary(const char* libPath) +{ + void* handle; + size_t len; + DLLib* lib; + + handle = dlopen(libPath, RTLD_LAZY); + if (!handle) + return NULL; + + + lib = (DLLib*)dlAllocMem(sizeof(DLLib)); + lib->handle = handle; + /* libPath might be null (self reference on image) [Daniel] */ + if (libPath != NULL) { + len = strlen(libPath); + lib->libPath = (char*)dlAllocMem(len + 1); + strcpy(lib->libPath, libPath); + lib->libPath[len] = '\0'; + } else { + lib->libPath = NULL; + } + return lib; +} + +void* dlFindSymbol(DLLib* libHandle, const char* symbol) +{ + return dlsym(libHandle && libHandle->handle ? libHandle->handle : RTLD_DEFAULT, symbol); +} + + +void dlFreeLibrary(DLLib* libHandle) +{ + if (!libHandle) + return; + + dlclose(libHandle->handle); + if (libHandle->libPath) + dlFreeMem(libHandle->libPath); + dlFreeMem(libHandle); +} +