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 $
=========================================================================*/
/* ---------------------------------------------------------------------
#include "bbtkUtilities.h"
#if defined(WIN32)
-#include <direct.h> // for getcwd
+# include <direct.h> // for getcwd
+# include <windows.h>
#endif
+#if defined(MACOSX) // assume this is OSX
+# include <sys/param.h>
+# include <mach-o/dyld.h> // _NSGetExecutablePath : must add -framework CoreFoundation to link line
+# include <string.h>
+# 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
// ==> 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;
}
//=========================================================================
+
+
+ //=========================================================================
+ // 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)
{
*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 ()
git://git.creatis.insa-lyon.fr / bbtk.git / blobdiff