![Guy Harris](/assets/img/avatar_default.png)
dladdr() takes a void * as a code pointer; have init_progfile_dir() do so, and do the casting in the calls. We don't care about the signature of the function whose address we're passing, we just want to pass a pointer to *something* in the main program. Change-Id: I9372620a97b0eb53c2bb3c0c41a238b4408f3709 Reviewed-on: https://code.wireshark.org/review/7270 Reviewed-by: Guy Harris <guy@alum.mit.edu>
300 lines
8.7 KiB
C
300 lines
8.7 KiB
C
/* filesystem.h
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* Filesystem utility definitions
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef FILESYSTEM_H
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#define FILESYSTEM_H
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#include "ws_symbol_export.h"
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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/*
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* Default profile name.
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*/
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#define DEFAULT_PROFILE "Default"
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/*
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* Get the pathname of the directory from which the executable came,
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* and save it for future use. Returns NULL on success, and a
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* g_mallocated string containing an error on failure.
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*/
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WS_DLL_PUBLIC char *init_progfile_dir(const char *arg0, void *function_addr);
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/*
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* Get the directory in which the program resides.
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*/
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WS_DLL_PUBLIC const char *get_progfile_dir(void);
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/*
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* Get the directory in which plugins are stored; this must not be called
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* before init_progfile_dir() is called, as they might be stored in a
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* subdirectory of the program file directory.
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*/
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WS_DLL_PUBLIC const char *get_plugin_dir(void);
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/*
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* Get the directory in which extcap hooks are stored; this must not be called
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* before init_progfile_dir() is called, as they might be stored in a
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* subdirectory of the program file directory.
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*/
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WS_DLL_PUBLIC const char *get_extcap_dir(void);
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/*
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* Get the flag indicating whether we're running from a build
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* directory.
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*/
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WS_DLL_PUBLIC gboolean running_in_build_directory(void);
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/*
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* Get the directory in which global configuration files are
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* stored.
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*/
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WS_DLL_PUBLIC const char *get_datafile_dir(void);
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/*
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* Construct the path name of a global configuration file, given the
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* file name.
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*
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* The returned file name was g_malloc()'d so it must be g_free()d when the
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* caller is done with it.
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*/
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WS_DLL_PUBLIC char *get_datafile_path(const char *filename);
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/*
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* Get the personal plugin dir.
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* Return value is malloced so the caller should g_free() it.
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*/
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WS_DLL_PUBLIC char *get_plugins_pers_dir(void);
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/*
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* Get the directory in which files that, at least on UNIX, are
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* system files (such as "/etc/ethers") are stored; on Windows,
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* there's no "/etc" directory, so we get them from the Wireshark
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* global configuration and data file directory.
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*/
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WS_DLL_PUBLIC const char *get_systemfile_dir(void);
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/*
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* Set the configuration profile name to be used for storing
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* personal configuration files.
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*/
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WS_DLL_PUBLIC void set_profile_name(const gchar *profilename);
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/*
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* Get the current configuration profile name used for storing
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* personal configuration files.
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*/
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WS_DLL_PUBLIC const char *get_profile_name(void);
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/*
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* Check if current profile is default profile.
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*/
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WS_DLL_PUBLIC gboolean is_default_profile(void);
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/*
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* Check if we have global profiles.
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*/
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WS_DLL_PUBLIC gboolean has_global_profiles(void);
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/*
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* Get the directory used to store configuration profile directories.
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*/
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WS_DLL_PUBLIC const char *get_profiles_dir(void);
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/*
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* Get the directory used to store global configuration profile directories.
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*/
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WS_DLL_PUBLIC const char *get_global_profiles_dir(void);
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/*
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* Store filenames used for personal config files so we know which
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* files to copy when duplicate a configuration profile.
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*/
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WS_DLL_PUBLIC void profile_store_persconffiles(gboolean store);
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/*
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* Check if given configuration profile exists.
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*/
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WS_DLL_PUBLIC gboolean profile_exists(const gchar *profilename, gboolean global);
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/*
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* Create a directory for the given configuration profile.
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* If we attempted to create it, and failed, return -1 and
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* set "*pf_dir_path_return" to the pathname of the directory we failed
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* to create (it's g_mallocated, so our caller should free it); otherwise,
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* return 0.
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*/
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WS_DLL_PUBLIC int create_persconffile_profile(const char *profilename,
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char **pf_dir_path_return);
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/*
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* Delete the directory for the given configuration profile.
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* If we attempted to delete it, and failed, return -1 and
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* set "*pf_dir_path_return" to the pathname of the directory we failed
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* to delete (it's g_mallocated, so our caller should free it); otherwise,
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* return 0.
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*/
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WS_DLL_PUBLIC int delete_persconffile_profile(const char *profilename,
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char **pf_dir_path_return);
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/*
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* Rename the directory for the given confinguration profile.
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*/
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WS_DLL_PUBLIC int rename_persconffile_profile(const char *fromname, const char *toname,
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char **pf_from_dir_path_return,
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char **pf_to_dir_path_return);
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/*
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* Copy files in one profile to the other.
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*/
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WS_DLL_PUBLIC int copy_persconffile_profile(const char *toname, const char *fromname,
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gboolean from_global,
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char **pf_filename_return,
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char **pf_to_dir_path_return,
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char **pf_from_dir_path_return);
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/*
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* Create the directory that holds personal configuration files, if
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* necessary. If we attempted to create it, and failed, return -1 and
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* set "*pf_dir_path_return" to the pathname of the directory we failed
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* to create (it's g_mallocated, so our caller should free it); otherwise,
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* return 0.
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*/
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WS_DLL_PUBLIC int create_persconffile_dir(char **pf_dir_path_return);
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/*
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* Construct the path name of a personal configuration file, given the
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* file name. If using configuration profiles this directory will be
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* used if "from_profile" is TRUE.
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*
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* The returned file name was g_malloc()'d so it must be g_free()d when the
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* caller is done with it.
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*/
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WS_DLL_PUBLIC char *get_persconffile_path(const char *filename, gboolean from_profile);
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/*
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* Set the path of the personal configuration file directory.
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*/
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WS_DLL_PUBLIC void set_persconffile_dir(const char *p);
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/*
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* Get the (default) directory in which personal data is stored.
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*
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* On Win32, this is the "My Documents" folder in the personal profile.
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* On UNIX this is simply the current directory.
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*/
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WS_DLL_PUBLIC const char *get_persdatafile_dir(void);
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/*
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* Set the path of the directory in which personal data is stored.
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*/
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WS_DLL_PUBLIC void set_persdatafile_dir(const char *p);
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/*
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* Return an error message for UNIX-style errno indications on open or
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* create operations.
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*/
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WS_DLL_PUBLIC const char *file_open_error_message(int err, gboolean for_writing);
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/*
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* Return an error message for UNIX-style errno indications on write
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* operations.
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*/
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WS_DLL_PUBLIC const char *file_write_error_message(int err);
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/*
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* Given a pathname, return the last component.
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*/
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WS_DLL_PUBLIC const char *get_basename(const char *);
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/*
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* Given a pathname, return a pointer to the last pathname separator
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* character in the pathname, or NULL if the pathname contains no
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* separators.
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*/
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WS_DLL_PUBLIC char *find_last_pathname_separator(const char *path);
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/*
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* Given a pathname, return a string containing everything but the
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* last component. NOTE: this overwrites the pathname handed into
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* it....
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*/
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WS_DLL_PUBLIC char *get_dirname(char *);
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/*
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* Given a pathname, return:
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*
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* the errno, if an attempt to "stat()" the file fails;
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*
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* EISDIR, if the attempt succeeded and the file turned out
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* to be a directory;
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*
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* 0, if the attempt succeeded and the file turned out not
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* to be a directory.
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*/
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WS_DLL_PUBLIC int test_for_directory(const char *);
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/*
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* Given a pathname, return:
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*
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* the errno, if an attempt to "stat()" the file fails;
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*
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* ESPIPE, if the attempt succeeded and the file turned out
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* to be a FIFO;
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*
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* 0, if the attempt succeeded and the file turned out not
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* to be a FIFO.
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*/
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WS_DLL_PUBLIC int test_for_fifo(const char *);
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/*
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* Check, if file is existing.
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*/
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WS_DLL_PUBLIC gboolean file_exists(const char *fname);
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/*
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* Check if two filenames are identical (with absolute and relative paths).
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*/
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WS_DLL_PUBLIC gboolean files_identical(const char *fname1, const char *fname2);
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/*
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* Copy a file in binary mode, for those operating systems that care about
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* such things. This should be OK for all files, even text files, as
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* we'll copy the raw bytes, and we don't look at the bytes as we copy
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* them.
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*
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* Returns TRUE on success, FALSE on failure. If a failure, it also
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* displays a simple dialog window with the error message.
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*/
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WS_DLL_PUBLIC gboolean copy_file_binary_mode(const char *from_filename,
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const char *to_filename);
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* FILESYSTEM_H */
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