mirror of https://github.com/djcb/mu.git
234 lines
6.4 KiB
C++
234 lines
6.4 KiB
C++
/*
|
|
** Copyright (C) 2008-2010 Dirk-Jan C. Binnema <djcb@djcbsoftware.nl>
|
|
**
|
|
** This program is free software; you can redistribute it and/or modify
|
|
** it under the terms of the GNU General Public License as published by
|
|
** the Free Software Foundation; either version 3 of the License, or
|
|
** (at your option) any later version.
|
|
**
|
|
** This program is distributed in the hope that it will be useful,
|
|
** but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
** GNU General Public License for more details.
|
|
**
|
|
** You should have received a copy of the GNU General Public License
|
|
** along with this program; if not, write to the Free Software Foundation,
|
|
** Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
**
|
|
*/
|
|
|
|
#ifndef __MU_UTIL_H__
|
|
#define __MU_UTIL_H__
|
|
|
|
#include <glib.h>
|
|
#include <dirent.h>
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
/**
|
|
* do system-specific initialization. should be called before anything
|
|
* else. Initializes the locale and Gtype. Note: this function is
|
|
* called by mu_runtime_init.
|
|
*
|
|
* @return TRUE if is succeeds, FALSE otherwise
|
|
*/
|
|
gboolean mu_util_init_system (void);
|
|
|
|
/**
|
|
* get the expanded path; ie. perform shell expansion on the path. the
|
|
* path does not have to exist
|
|
*
|
|
* @param path path to expand
|
|
*
|
|
* @return the expanded path as a newly allocated string, or NULL in
|
|
* case of error
|
|
*/
|
|
char* mu_util_dir_expand (const char* path)
|
|
G_GNUC_MALLOC G_GNUC_WARN_UNUSED_RESULT;
|
|
|
|
/**
|
|
* guess the maildir; first try $MAILDIR; if it is unset or
|
|
* non-existant, try ~/Maildir if both fail, return NULL
|
|
*
|
|
* @return full path of the guessed Maildir, or NULL; must be freed (gfree)
|
|
*/
|
|
char* mu_util_guess_maildir (void)
|
|
G_GNUC_MALLOC G_GNUC_WARN_UNUSED_RESULT;
|
|
|
|
|
|
/**
|
|
* guess the place of the mu homedir (typically, ~/.mu). Note, this
|
|
* directory does not necessarily exist. mu_util_check_dir can be use
|
|
* to check that
|
|
*
|
|
* @return the guessed mu homedir, which needs to be freed with g_free
|
|
* when no longer needed.
|
|
*/
|
|
gchar* mu_util_guess_mu_homedir (void)
|
|
G_GNUC_MALLOC G_GNUC_WARN_UNUSED_RESULT;
|
|
|
|
/**
|
|
* if path exists, check that's a read/writeable dir; otherwise try to
|
|
* create it (with perms 0700)
|
|
*
|
|
* @param path path to the dir
|
|
*
|
|
* @return TRUE if a read/writeable directory `path' exists after
|
|
* leaving this function, FALSE otherwise
|
|
*/
|
|
gboolean mu_util_create_dir_maybe (const gchar *path)
|
|
G_GNUC_WARN_UNUSED_RESULT;
|
|
|
|
|
|
/**
|
|
* check whether path is a directory, and optionally, if it's readable
|
|
* and/or writeable
|
|
*
|
|
* @param path dir path
|
|
* @param readable check for readability
|
|
* @param writeable check for writability
|
|
*
|
|
* @return TRUE if dir exist and has the specified properties
|
|
*/
|
|
gboolean mu_util_check_dir (const gchar* path, gboolean readable,
|
|
gboolean writeable)
|
|
G_GNUC_WARN_UNUSED_RESULT;
|
|
|
|
|
|
|
|
/**
|
|
* create a writeable file and return its file descriptor (which
|
|
* you'll need to close(2) when done with it.)
|
|
*
|
|
* @param filename the filename
|
|
* @param dir the target directory, or NULL for the current
|
|
* @param overwrite should we allow for overwriting existing files?
|
|
*
|
|
* @return a file descriptor, or -1 in case of error. If it's a fily
|
|
* system error, 'errno' may have more info. use 'close()' when done
|
|
* with the file descriptor
|
|
*/
|
|
int mu_util_create_writeable_fd (const char* filename, const char* dir,
|
|
gboolean overwrite)
|
|
G_GNUC_WARN_UNUSED_RESULT;
|
|
|
|
/**
|
|
* convert a string array in to a string, with the elements separated
|
|
* by ' '
|
|
*
|
|
* @param params a non-NULL, NULL-terminated string array
|
|
*
|
|
* @return a newly allocated string
|
|
*/
|
|
gchar* mu_util_str_from_strv (const gchar **params)
|
|
G_GNUC_MALLOC G_GNUC_WARN_UNUSED_RESULT;
|
|
|
|
/*
|
|
* for OSs with out support for direntry->d_type, like Solaris
|
|
*/
|
|
#ifndef DT_UNKNOWN
|
|
enum {
|
|
DT_UNKNOWN = 0,
|
|
# define DT_UNKNOWN DT_UNKNOWN
|
|
DT_FIFO = 1,
|
|
# define DT_FIFO DT_FIFO
|
|
DT_CHR = 2,
|
|
# define DT_CHR DT_CHR
|
|
DT_DIR = 4,
|
|
# define DT_DIR DT_DIR
|
|
DT_BLK = 6,
|
|
# define DT_BLK DT_BLK
|
|
DT_REG = 8,
|
|
# define DT_REG DT_REG
|
|
DT_LNK = 10,
|
|
# define DT_LNK DT_LNK
|
|
DT_SOCK = 12,
|
|
# define DT_SOCK DT_SOCK
|
|
DT_WHT = 14
|
|
# define DT_WHT DT_WHT
|
|
};
|
|
#endif /*DT_UNKNOWN*/
|
|
|
|
|
|
/**
|
|
* get the d_type (as in direntry->d_type) for the file at path, using
|
|
* lstat(3)
|
|
*
|
|
* @param path full path
|
|
*
|
|
* @return DT_REG, DT_DIR, DT_LNK, or DT_UNKNOWN (other values are not
|
|
* supported currently )
|
|
*/
|
|
unsigned char mu_util_get_dtype_with_lstat (const char *path);
|
|
|
|
|
|
/**
|
|
*
|
|
* don't repeat these catch blocks everywhere...
|
|
*
|
|
*/
|
|
#define MU_XAPIAN_CATCH_BLOCK \
|
|
catch (const Xapian::Error &xerr) { \
|
|
g_critical ("%s: caught xapian exception '%s'", \
|
|
__FUNCTION__, xerr.get_msg().c_str()); \
|
|
} catch (...) { \
|
|
g_critical ("%s: caught exception", __FUNCTION__); \
|
|
}
|
|
|
|
#define MU_XAPIAN_CATCH_BLOCK_G_ERROR(GE,E) \
|
|
catch (const Xapian::Error &xerr) { \
|
|
g_set_error ((GE),0,(E), \
|
|
"%s: caught xapian exception '%s'", \
|
|
__FUNCTION__, xerr.get_msg().c_str()); \
|
|
} catch (...) { \
|
|
g_set_error ((GE),0,(MU_ERROR_INTERNAL), \
|
|
"%s: caught exception", __FUNCTION__); \
|
|
}
|
|
|
|
|
|
|
|
#define MU_XAPIAN_CATCH_BLOCK_RETURN(R) \
|
|
catch (const Xapian::Error &xerr) { \
|
|
g_critical ("%s: caught xapian exception '%s'", \
|
|
__FUNCTION__, xerr.get_msg().c_str()); \
|
|
return (R); \
|
|
} catch (...) { \
|
|
g_critical ("%s: caught exception", __FUNCTION__); \
|
|
return (R); \
|
|
}
|
|
|
|
#define MU_XAPIAN_CATCH_BLOCK_G_ERROR_RETURN(GE,E,R) \
|
|
catch (const Xapian::Error &xerr) { \
|
|
g_set_error ((GE),0,(E), \
|
|
"%s: caught xapian exception '%s'", \
|
|
__FUNCTION__, xerr.get_msg().c_str()); \
|
|
return (R); \
|
|
} catch (...) { \
|
|
g_set_error ((GE),0,(MU_ERROR_INTERNAL), \
|
|
"%s: caught exception", __FUNCTION__); \
|
|
return (R); \
|
|
}
|
|
|
|
|
|
/* the name of the (leaf) dir which has the xapian database */
|
|
#define MU_XAPIAN_DIR_NAME "xapian"
|
|
#define MU_XAPIAN_VERSION_KEY "db_version"
|
|
|
|
/* name of the bookmark file */
|
|
#define MU_BOOKMARK_FILENAME "bookmarks"
|
|
|
|
/**
|
|
* log something in the log file; note, we use G_LOG_LEVEL_INFO
|
|
* for such messages
|
|
*/
|
|
#define MU_WRITE_LOG(...) \
|
|
G_STMT_START { \
|
|
g_log (G_LOG_DOMAIN, \
|
|
G_LOG_LEVEL_INFO, \
|
|
__VA_ARGS__); \
|
|
} G_STMT_END
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /*__MU_UTIL_H__*/
|