wxChar* wxGetenv(const wxString& var);
/**
- Returns the current value of the environment variable @c var in @c value.
- @c value may be @NULL if you just want to know if the variable exists and
+ Returns the current value of the environment variable @a var in @a value.
+
+ @a value may be @NULL if you just want to know if the variable exists and
are not interested in its value.
Returns @true if the variable exists, @false otherwise.
bool wxGetEnv(const wxString& var, wxString* value);
/**
- Sets the value of the environment variable @c var (adding it if necessary)
- to @c value.
-
- Returns @true on success.
+ Sets the value of the environment variable @a var (adding it if necessary)
+ to @a value.
+
+ Notice that under Windows platforms the program may have two different
+ environment blocks: the first one is that of a Windows process and is
+ always present, but the CRT may maintain its own independent copy of the
+ environment. wxSetEnv() will always update the first copy, which means that
+ wxGetEnv(), which uses it directly, will always return the expected value
+ after this call. But wxSetEnv() only updates the second copy for some
+ compilers/CRT implementations (currently only MSVC) and so using wxGetenv()
+ (notice the difference in case) may not return the updated value.
+
+ @param var
+ The environment variable to be set, must not contain @c '=' character.
+ @param value
+ New value of the variable.
+ @return
+ @true on success or @false if changing the value failed.
@see wxUnsetEnv()
bool wxSetEnv(const wxString& var, const wxString& value);
/**
- Removes the variable @c var from the environment. wxGetEnv() will return
- @NULL after the call to this function.
+ Removes the variable @a var from the environment.
+
+ wxGetEnv() will return @NULL after the call to this function.
Returns @true on success.
*/
void wxPostDelete(wxObject* object);
+
+/**
+ Compare function type for use with wxQsort()
+
+ @header{wx/utils.h}
+*/
+extern "C"
+{
+typedef int (wxCMPFUNC_CONV *CMPFUNCDATA)(const void* pItem1, const void* pItem2, const void* user_data);
+}
+
+/**
+ Function for performing a qsort operation including a user data
+ parameter.
+
+ @header{wx/utils.h}
+*/
+void wxQsort(void *const pbase, size_t total_elems,
+ size_t size, CMPFUNCDATA cmp, const void* user_data);
+
+
/**
Under X only, sets the current display name. This is the X host and display
name such as "colonsay:0.0", and the function indicates which display
*/
bool wxIsPlatformLittleEndian();
+/**
+ Returns a structure containing informations about the currently running
+ Linux distribution.
+
+ This function uses the @c lsb_release utility which is part of the
+ <tt>Linux Standard Base Core</tt> specification
+ (see http://refspecs.linux-foundation.org/lsb.shtml) since the very first LSB
+ release 1.0 (released in 2001).
+ The @c lsb_release utility is very common on modern Linux distributions but in
+ case it's not available, then this function will return a ::wxLinuxDistributionInfo
+ structure containing empty strings.
+
+ This function is Linux-specific and is only available when the @c __LINUX__
+ symbol is defined.
+*/
+wxLinuxDistributionInfo wxGetLinuxDistributionInfo();
+
//@}
@param output
The string array where the stdout of the executed process is saved.
@param flags
- Must include either wxEXEC_ASYNC or wxEXEC_SYNC and can also include
- wxEXEC_NOHIDE, wxEXEC_MAKE_GROUP_LEADER (in either case) or
+ May include wxEXEC_NOHIDE, wxEXEC_MAKE_GROUP_LEADER (in either case) or
wxEXEC_NODISABLE and wxEXEC_NOEVENTS or wxEXEC_BLOCK, which is equal to
- their combination, in wxEXEC_SYNC case.
+ their combination. wxEXEC_SYNC is always implicitly added to the flags.
@see wxShell(), wxProcess, @ref page_samples_exec,
wxLaunchDefaultApplication(), wxLaunchDefaultBrowser()
please see its documentation for general information.
This version adds the possibility to additionally capture the messages from
- standard error output in the @a errors array.
+ standard error output in the @a errors array. As with the above overload
+ capturing standard output only, execution is always synchronous.
@param command
The command to execute and any parameters to pass to it as a single
@param errors
The string array where the stderr of the executed process is saved.
@param flags
- Must include either wxEXEC_ASYNC or wxEXEC_SYNC and can also include
- wxEXEC_NOHIDE, wxEXEC_MAKE_GROUP_LEADER (in either case) or
+ May include wxEXEC_NOHIDE, wxEXEC_MAKE_GROUP_LEADER (in either case) or
wxEXEC_NODISABLE and wxEXEC_NOEVENTS or wxEXEC_BLOCK, which is equal to
- their combination, in wxEXEC_SYNC case.
+ their combination. wxEXEC_SYNC is always implicitly added to the flags.
@see wxShell(), wxProcess, @ref page_samples_exec,
wxLaunchDefaultApplication(), wxLaunchDefaultBrowser()
projects / wxWidgets.git / blobdiff