Function sharedir_from_runtime_libdir

src/gmt_common_runpath.c:292–317

}

static char *sharedir_from_runtime_libdir (char *sharedir) {
	size_t len_runtime_libdir, len_libdir_rel, len_base_dir;
	char runtime_libdir[PATH_MAX+1];

	/* Get runtime library dir */
	if ( gmt_runtime_libdir(runtime_libdir) == NULL )
		return NULL;

	/* Get string lengths */
	len_runtime_libdir = strlen (runtime_libdir);
	len_libdir_rel = strlen (GMT_LIBDIR_RELATIVE);
	/* Length of common base directory */
	len_base_dir = len_runtime_libdir - len_libdir_rel;

	/* Check if GMT_LIBDIR_RELATIVE matches end of runtime_libdir */
	if ( strstr (runtime_libdir + len_base_dir, GMT_LIBDIR_RELATIVE) == NULL )
		/* The executable is not located in the expected binary directory */
		return NULL;

	/* Replace GMT_LIBDIR_RELATIVE suffix with GMT_SHARE_DIR_RELATIVE */
	sharedir = strncpy (sharedir, runtime_libdir, len_base_dir);
	sharedir[len_base_dir] = '\0';
	strcat (sharedir, GMT_SHARE_DIR_RELATIVE);

	return sharedir;
}

static char *sharedir_from_runtime_bindir (char *sharedir, const char *runtime_bindir) {
	size_t len_runtime_bindir, len_bindir_rel, len_base_dir;