X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;f=kernel%2Fsrc%2FbbtkConfigurationFile.cxx;h=d5e4e99afaf4ae395c4d840279942ecdc0381738;hb=2d2fc4c6349d5040a9f13a240f079e7a1c6687dd;hp=0b9f54b2bd8f28c6557c1c980a73b8a335017e4a;hpb=6f6b5dc4b031a3213feb105e934555b0bfe8600a;p=bbtk.git diff --git a/kernel/src/bbtkConfigurationFile.cxx b/kernel/src/bbtkConfigurationFile.cxx index 0b9f54b..d5e4e99 100644 --- a/kernel/src/bbtkConfigurationFile.cxx +++ b/kernel/src/bbtkConfigurationFile.cxx @@ -2,8 +2,8 @@ Program: bbtk Module: $RCSfile: bbtkConfigurationFile.cxx,v $ Language: C++ - Date: $Date: 2008/11/03 15:53:31 $ - Version: $Revision: 1.20 $ + Date: $Date: 2008/11/12 12:47:00 $ + Version: $Revision: 1.21 $ =========================================================================*/ /* --------------------------------------------------------------------- @@ -39,9 +39,22 @@ #include "bbtkUtilities.h" #if defined(WIN32) -#include // for getcwd +# include // for getcwd +# include #endif +#if defined(MACOSX) // assume this is OSX +# include +# include // _NSGetExecutablePath : must add -framework CoreFoundation to link line +# include +# ifndef PATH_MAX +# define PATH_MAX MAXPATHLEN +# endif +#endif // MACOSX + +#ifndef PATH_MAX // If not defined yet : do it +# define PATH_MAX 2048 +#endif namespace bbtk @@ -57,8 +70,12 @@ namespace bbtk // ==> Set system paths mBin_path = GetExecutablePath(); //EED mInstall_path = mBin_path + mFile_separator + ".."; - mInstall_path = mBin_path + "/.."; - // The relative path to the doc folder (=BBTK_DOC_REL_PATH) +#ifdef MACOSX + mInstall_path = mBin_path + "/../../../.."; +#else + mInstall_path = mBin_path + "/.."; +#endif + // The relative path to the doc folder (=BBTK_DOC_REL_PATH) mDoc_rel_path = BBTK_STRINGIFY_SYMBOL(BBTK_DOC_REL_PATH); // The path to the doc folder (=mInstall_path+"/"+mDoc_rel_path) //EED mDoc_path = mInstall_path + mFile_separator + mDoc_rel_path; @@ -211,12 +228,151 @@ namespace bbtk } //========================================================================= + + + //========================================================================= + // From http://www.fltk.org/newsgroups.php?gfltk.general+v:22083 + // + int get_app_path (char *pname, size_t pathsize) + { +#ifdef LINUX + /* Oddly, the readlink(2) man page says no NULL is appended. */ + /* So you have to do it yourself, based on the return value: */ + pathsize --; /* Preserve a space to add the trailing NULL */ + long result = readlink("/proc/self/exe", pname, pathsize); + if (result > 0) + { + pname[result] = 0; /* add the #@!%ing NULL */ + + if ((access(pname, 0) == 0)) + return 0; /* file exists, return OK */ + /*else name doesn't seem to exist, return FAIL (falls + through) */ + } +#endif /* LINUX */ + +#ifdef WIN32 + long result = GetModuleFileName(NULL, pname, pathsize); + if (result > 0) + { + /* fix up the dir slashes... */ + int len = strlen(pname); + int idx; + for (idx = 0; idx < len; idx++) + { + if (pname[idx] == '\\') pname[idx] = '/'; + } + if ((access(pname, 0) == 0)) + return 0; /* file exists, return OK */ + /*else name doesn't seem to exist, return FAIL (falls + through) */ + } +#endif /* WIN32 */ + +#ifdef SOLARIS + char *p = getexecname(); + if (p) + { + /* According to the Sun manpages, getexecname will + "normally" return an */ + /* absolute path - BUT might not... AND that IF it is not, + pre-pending */ + /* getcwd() will "usually" be the correct thing... Urgh! + */ + + /* check pathname is absolute (begins with a / ???) */ + if (p[0] == '/') /* assume this means we have an + absolute path */ + { + strncpy(pname, p, pathsize); + if ((access(pname, 0) == 0)) + return 0; /* file exists, return OK */ + } + else /* if not, prepend getcwd() then check if file + exists */ + { + getcwd(pname, pathsize); + long result = strlen(pname); + strncat(pname, "/", (pathsize - result)); + result ++; + strncat(pname, p, (pathsize - result)); + + if ((access(pname, 0) == 0)) + return 0; /* file exists, return OK */ + /*else name doesn't seem to exist, return FAIL + (falls through) */ + } + } +#endif /* SOLARIS */ + +#ifdef MACOSX /* assume this is OSX */ + /* + from http://www.hmug.org/man/3/NSModule.html + + extern int _NSGetExecutablePath(char *buf, unsigned long + *bufsize); + + _NSGetExecutablePath copies the path of the executable + into the buffer and returns 0 if the path was successfully + copied in the provided buffer. If the buffer is not large + enough, -1 is returned and the expected buffer size is + copied in *bufsize. Note that _NSGetExecutablePath will + return "a path" to the executable not a "real path" to the + executable. That is the path may be a symbolic link and + not the real file. And with deep directories the total + bufsize needed could be more than MAXPATHLEN. + */ + int status = -1; + char *given_path = (char*)malloc(MAXPATHLEN * 2); + if (!given_path) return status; + + uint32_t npathsize = MAXPATHLEN * 2; + long result = _NSGetExecutablePath(given_path, &npathsize); + if (result == 0) + { /* OK, we got something - now try and resolve the real path... + */ + if (realpath(given_path, pname) != NULL) + { + if ((access(pname, 0) == 0)) + status = 0; /* file exists, return OK */ + } + } + free (given_path); + return status; +#endif /* MACOSX */ + + return -1; /* Path Lookup Failed */ + } + + //========================================================================= std::string ConfigurationFile::GetExecutablePath() { + char name[PATH_MAX]; + int err = get_app_path(name, PATH_MAX); + if (err) + { + bbtkError("Could not determine current executable path ?"); + } + + // remove the exe name + char *slash; + slash = strrchr(name, VALID_FILE_SEPARATOR_CHAR); + if (slash) + { + *slash = 0; + } + return name; + } + +/* /// \todo : Think to delete it! char *buf = (char *)malloc(512); + if (!buf) + { + bbtkError("Could not allocate 512 bytes !"); + } char *slash; #if defined(WIN32) @@ -226,26 +382,30 @@ namespace bbtk { *slash = 0; } -#elif defined(__GNUC__) +#endif + + +#if defined(__GNUC__) int res; res = readlink("/proc/self/exe", buf, 512); if (res == -1) - return ""; + { + free(buf); + + } buf[res] = 0; slash = strrchr(buf, '/'); if (slash) { *slash = 0; } -#else - return ""; #endif std::string ret(buf); free(buf); return ret; } //========================================================================= - +*/ //========================================================================= void ConfigurationFile::InstallPath ()