/* * cstring.i * $Header: /cvsroot/swig/SWIG/Lib/python/cstring.i,v 1.11 2005/09/06 06:22:10 marcelomatus Exp $ * * Author(s): David Beazley (beazley@cs.uchicago.edu) * * This file provides typemaps and macros for dealing with various forms * of C character string handling. The primary use of this module * is in returning character data that has been allocated or changed in * some way. */ /* * %cstring_input_binary(TYPEMAP, SIZE) * * Macro makes a function accept binary string data along with * a size. */ /* * %cstring_bounded_output(TYPEMAP, MAX) * * This macro is used to return a NULL-terminated output string of * some maximum length. For example: * * %cstring_bounded_output(Char *outx, 512); * void foo(Char *outx) { * sprintf(outx,"blah blah\n"); * } * */ /* * %cstring_chunk_output(TYPEMAP, SIZE) * * This macro is used to return a chunk of binary string data. * Embedded NULLs are okay. For example: * * %cstring_chunk_output(Char *outx, 512); * void foo(Char *outx) { * memmove(outx, somedata, 512); * } * */ /* * %cstring_bounded_mutable(TYPEMAP, SIZE) * * This macro is used to wrap a string that's going to mutate. * * %cstring_bounded_mutable(Char *in, 512); * void foo(in *x) { * while (*x) { * *x = toupper(*x); * x++; * } * } * */ /* * %cstring_mutable(TYPEMAP [, expansion]) * * This macro is used to wrap a string that will mutate in place. * It may change size up to a user-defined expansion. * * %cstring_mutable(Char *in); * void foo(in *x) { * while (*x) { * *x = toupper(*x); * x++; * } * } * */ /* * %cstring_output_maxsize(TYPEMAP, SIZE) * * This macro returns data in a string of some user-defined size. * * %cstring_output_maxsize(Char *outx, int max) { * void foo(Char *outx, int max) { * sprintf(outx,"blah blah\n"); * } */ /* * %cstring_output_withsize(TYPEMAP, SIZE) * * This macro is used to return Character data along with a size * parameter. * * %cstring_output_maxsize(Char *outx, int *max) { * void foo(Char *outx, int *max) { * sprintf(outx,"blah blah\n"); * *max = strlen(outx); * } */ /* * %cstring_output_allocate(TYPEMAP, RELEASE) * * This macro is used to return Character data that was * allocated with new or malloc. * * %cstring_output_allocated(Char **outx, free($1)); * void foo(Char **outx) { * *outx = (Char *) malloc(512); * sprintf(outx,"blah blah\n"); * } */ /* * %cstring_output_allocate_size(TYPEMAP, SIZE, RELEASE) * * This macro is used to return Character data that was * allocated with new or malloc. * * %cstring_output_allocated(Char **outx, int *sz, free($1)); * void foo(Char **outx, int *sz) { * *outx = (Char *) malloc(512); * sprintf(outx,"blah blah\n"); * *sz = strlen(outx); * } */ %include %include %typemap_cstrings(%cstring, char, SWIG_AsCharPtr, SWIG_AsCharPtrAndSize, SWIG_FromCharPtr, SWIG_FromCharArray);