Tcl_GetCwd(3tcl) Tcl Library Procedures Tcl_GetCwd(3tcl)
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NAME
Tcl_GetCwd, Tcl_Chdir - manipulate the current working directory
SYNOPSIS
#include <tcl.h>
char *
Tcl_GetCwd(interp, bufferPtr)
int
Tcl_Chdir(dirName)
ARGUMENTS
Tcl_Interp *interp (in) Interpreter in which to report an
error, if any.
Tcl_DString *bufferPtr (in/out) This dynamic string is used to
store the current working direc-
tory. At the time of the call it
should be uninitialized or free.
The caller must eventually call
Tcl_DStringFree to free up any-
thing stored here.
const char *dirName (in) File path in UTF-8 format.
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DESCRIPTION
These procedures may be used to manipulate the current working direc-
tory for the application. They provide C-level access to the same
functionality as the Tcl pwd command.
Tcl_GetCwd returns a pointer to a string specifying the current direc-
tory, or NULL if the current directory could not be determined. If
NULL is returned, an error message is left in the interp's result.
Storage for the result string is allocated in bufferPtr; the caller
must call Tcl_DStringFree() when the result is no longer needed. The
format of the path is UTF-8.
Tcl_Chdir changes the applications current working directory to the
value specified in dirName. The format of the passed in string must be
UTF-8. The function returns -1 on error or 0 on success.
KEYWORDS
pwd
Tcl 8.1 Tcl_GetCwd(3tcl)
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