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* Copyright (c) 1993-2009, Paul Mattes.
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* Copyright (c) 2005, Don Russell.
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* Copyright (c) 1990, Jeff Sparkes.
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the names of Paul Mattes, Don Russell, Jeff Sparkes nor the
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* names of their contributors may be used to endorse or promote
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* products derived from this software without specific prior written
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* THIS SOFTWARE IS PROVIDED BY PAUL MATTES, DON RUSSELL AND JEFF SPARKES
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL PAUL MATTES, DON RUSSELL OR JEFF
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* SPARKES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
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* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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* Common definitions for x3270, c3270, s3270 and tcl3270.
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/* Autoconf settings. */
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#include "conf.h" /* autoconf settings */
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#if defined(X3270_TN3270E) && !defined(X3270_ANSI) /*[*/
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#define X3270_ANSI 1 /* RFC2355 requires NVT mode */
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#if defined(HAVE_VASPRINTF) && !defined(_GNU_SOURCE) /*[*/
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#define _GNU_SOURCE /* vasprintf isn't POSIX */
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* OS-specific #defines. Except for the blocking-connect workarounds, these
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* should be replaced with autoconf probes as soon as possible.
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* BLOCKING_CONNECT_ONLY
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* Use only blocking sockets.
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#if defined(sco) /*[*/
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#define BLOCKING_CONNECT_ONLY 1
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#if defined(apollo) /*[*/
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#define BLOCKING_CONNECT_ONLY 1
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* Compiler-specific #defines.
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/* '_is_unused' explicitly flags an unused parameter */
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#if defined(__GNUC__) /*[*/
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#define _is_unused __attribute__((__unused__))
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#define printflike(s,f) __attribute__ ((__format__ (__printf__, s, f)))
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#define _is_unused /* nothing */
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#define printflike(s, f) /* nothing */
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* Prerequisite #includes.
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#include <stdio.h> /* Unix standard I/O library */
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#include <stdlib.h> /* Other Unix library functions */
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#if !defined(_MSC_VER) /*[*/
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#include <unistd.h> /* Unix system calls */
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#include <ctype.h> /* Character classes */
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#include <string.h> /* String manipulations */
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#include <sys/types.h> /* Basic system data types */
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#if !defined(_MSC_VER) /*[*/
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#include <sys/time.h> /* System time-related data types */
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#include <time.h> /* C library time functions */
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#include "localdefs.h" /* {s,tcl,c}3270-specific defines */
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#if defined(_MSC_VER) /*[*/
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#include <winsock2.h> /* for struct timeval */
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extern int gettimeofday(struct timeval *, void *);
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#define strcasecmp _stricmp
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#define strncasecmp _strnicmp
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* Locale-related definitions.
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* Note that USE_ICONV can be used to override __STDC_ISO_10646__, so that
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* development of iconv-based logic can be done on 10646-compliant systems.
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#if defined(__STDC_ISO_10646__) && !defined(USE_ICONV) /*[*/
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#define UNICODE_WCHAR 1
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#if !defined(_WIN32) && !defined(UNICODE_WCHAR) /*[*/
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* Unicode UCS-4 characters are (hopefully) 32 bits.
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* EBCDIC (including DBCS) is (hopefully) 16 bits.
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typedef unsigned int ucs4_t;
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typedef unsigned short ebc_t;
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* Cancel out contradictory parts.
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#if !defined(X3270_DISPLAY) /*[*/
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#if defined(C3270) && defined(X3270_DBCS) && !defined(CURSES_WIDE) /*[*/
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/* Local process (-e) header files. */
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#if defined(X3270_LOCAL_PROCESS) && defined(HAVE_FORKPTY) /*[*/
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#define LOCAL_PROCESS 1
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#if defined(HAVE_PTY_H) /*[*/
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#if defined(HAVE_LIBUTIL_H) /*[*/
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#if defined(HAVE_UTIL_H) /*[*/
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/* Functions we may need to supply. */
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#if defined(NEED_STRTOK_R) /*[*/
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extern char *strtok_r(char *str, const char *sep, char **last);
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/* Stop conflicting with curses' COLS, even if we don't link with it. */
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/* Simple global variables */
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extern int COLS; /* current */
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extern int maxCOLS; /* maximum */
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extern int defROWS; /* default (EraseWrite) */
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extern int altROWS; /* alternate (EraseWriteAlternate) */
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#if defined(X3270_DISPLAY) /*[*/
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extern Atom a_3270, a_registry, a_encoding;
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extern XtAppContext appcontext;
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extern const char *build;
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extern const char *build_rpq_timestamp;
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extern const char *build_rpq_version;
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extern char *connected_lu;
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extern char *connected_type;
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extern char *current_host;
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extern unsigned short current_port;
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#if defined(X3270_DBCS) /*[*/
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#if defined(X3270_FT) /*[*/
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extern int dft_buffersize;
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extern char *efontname;
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extern Boolean ever_3270;
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extern Boolean exiting;
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#if defined(X3270_DISPLAY) /*[*/
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extern Boolean *extended_3270font;
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extern Boolean *font_8bit;
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extern Boolean flipped;
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extern char *full_current_host;
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extern char *full_efontname;
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#if defined(X3270_DBCS) /*[*/
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extern char *full_efontname_dbcs;
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extern char full_model_name[];
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extern char *funky_font;
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extern char *hostname;
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#if defined(X3270_DBCS) /*[*/
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#if defined(X3270_DISPLAY) /*[*/
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extern char *locale_name;
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extern char luname[];
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#if defined(LOCAL_PROCESS) /*[*/
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extern Boolean local_process;
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extern char *model_name;
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extern int model_num;
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extern Boolean no_login_host;
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extern Boolean non_tn3270e_host;
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extern int ov_cols, ov_rows;
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extern Boolean ov_auto;
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extern Boolean passthru_host;
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extern const char *programname;
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extern char *qualified_host;
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extern char *reconnect_host;
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extern int screen_depth;
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extern Boolean scroll_initted;
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#if defined(HAVE_LIBSSL) /*[*/
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extern Boolean secure_connection;
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extern Boolean shifted;
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extern Boolean ssl_host;
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extern Boolean *standard_font;
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extern Boolean std_ds_host;
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extern char *termtype;
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extern Widget toplevel;
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extern Boolean visible_control;
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extern int *xtra_width;
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#if defined(X3270_DISPLAY) /*[*/
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extern Atom a_delete_me;
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extern Atom a_save_yourself;
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extern Display *display;
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extern Pixel keypadbg_pixel;
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extern XrmDatabase rdb;
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extern Window root_window;
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extern char *user_title;
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#if defined(_WIN32) && (defined(C3270) || defined(S3270)) /*[*/
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extern char *instdir;
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extern char *myappdata;
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#if defined(_WIN32) && defined(C3270) /*[*/
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extern int is_installed;
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/* Data types and complex global variables */
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/* connection state */
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NOT_CONNECTED, /* no socket, unknown mode */
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RESOLVING, /* resolving hostname */
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PENDING, /* connection pending */
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CONNECTED_INITIAL, /* connected, no mode yet */
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CONNECTED_ANSI, /* connected in NVT ANSI mode */
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CONNECTED_3270, /* connected in old-style 3270 mode */
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CONNECTED_INITIAL_E, /* connected in TN3270E mode, unnegotiated */
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CONNECTED_NVT, /* connected in TN3270E mode, NVT mode */
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CONNECTED_SSCP, /* connected in TN3270E mode, SSCP-LU mode */
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CONNECTED_TN3270E /* connected in TN3270E mode, 3270 mode */
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extern enum cstate cstate;
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#define PCONNECTED ((int)cstate >= (int)RESOLVING)
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#define HALF_CONNECTED (cstate == RESOLVING || cstate == PENDING)
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#define CONNECTED ((int)cstate >= (int)CONNECTED_INITIAL)
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#define IN_NEITHER (cstate == CONNECTED_INITIAL)
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#define IN_ANSI (cstate == CONNECTED_ANSI || cstate == CONNECTED_NVT)
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#define IN_3270 (cstate == CONNECTED_3270 || cstate == CONNECTED_TN3270E || cstate == CONNECTED_SSCP)
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#define IN_SSCP (cstate == CONNECTED_SSCP)
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#define IN_TN3270E (cstate == CONNECTED_TN3270E)
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#define IN_E (cstate >= CONNECTED_INITIAL_E)
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/* keyboard modifer bitmap */
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#define ShiftKeyDown 0x01
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#define MetaKeyDown 0x02
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#define AltKeyDown 0x04
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extern struct toggle_name toggle_names[];
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/* extended attributes */
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unsigned char cc; /* EBCDIC or ASCII character code */
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unsigned char fa; /* field attribute, it nonzero */
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unsigned char fg; /* foreground color (0x00 or 0xf<n>) */
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unsigned char bg; /* background color (0x00 or 0xf<n>) */
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unsigned char gr; /* ANSI graphics rendition bits */
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unsigned char cs; /* character set (GE flag, or 0..2) */
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unsigned char ic; /* input control (DBCS) */
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unsigned char db; /* DBCS state */
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#define GR_BLINK 0x01
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#define GR_REVERSE 0x02
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#define GR_UNDERLINE 0x04
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#define GR_INTENSIFY 0x08
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#define CS_MASK 0x03 /* mask for specific character sets */
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#define CS_BASE 0x00 /* base character set (X'00') */
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#define CS_APL 0x01 /* APL character set (X'01' or GE) */
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#define CS_LINEDRAW 0x02 /* DEC line-drawing character set (ANSI) */
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#define CS_DBCS 0x03 /* DBCS character set (X'F8') */
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#define CS_GE 0x04 /* cs flag for Graphic Escape */
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/* translation lists */
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struct trans_list *next;
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extern struct trans_list *trans_list;
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enum keytype { KT_STD, KT_GE };
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#define ST_RESOLVING 1
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#define ST_HALF_CONNECT 2
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#define ST_3270_MODE 4
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#define ST_LINE_MODE 5
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/* Naming convention for private actions. */
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/* Shorthand macros */
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#define CN ((char *) NULL)
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#define PN ((XtPointer) NULL)
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#define Replace(var, value) { Free(var); var = (value); }
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/* Configuration change masks. */
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#define NO_CHANGE 0x0000 /* no change */
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#define MODEL_CHANGE 0x0001 /* screen dimensions changed */
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#define FONT_CHANGE 0x0002 /* emulator font changed */
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#define COLOR_CHANGE 0x0004 /* color scheme or 3278/9 mode changed */
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#define SCROLL_CHANGE 0x0008 /* scrollbar snapped on or off */
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#define CHARSET_CHANGE 0x0010 /* character set changed */
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#define ALL_CHANGE 0xffff /* everything changed */
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/* Portability macros */
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/* Equivalent of setlinebuf */
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#if defined(_IOLBF) /*[*/
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#define SETLINEBUF(s) setvbuf(s, (char *)NULL, _IOLBF, BUFSIZ)
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#define SETLINEBUF(s) setlinebuf(s)
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/* Motorola version of gettimeofday */
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#if defined(MOTOROLA)
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#define gettimeofday(tp,tz) gettimeofday(tp)
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/* Default DFT file transfer buffer size. */
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#if defined(X3270_FT) && !defined(DFT_BUF) /*[*/
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#define DFT_BUF (4 * 1024)
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/* DBCS Preedit Types */
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#if defined(X3270_DBCS) /*[*/
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#define PT_ROOT "Root"
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#define PT_OVER_THE_SPOT "OverTheSpot"
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#define PT_OFF_THE_SPOT "OffTheSpot"
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#define PT_ON_THE_SPOT "OnTheSpot"
added
removed
ws3270/globals.h
