Various error-handling fixes, mostly in Unix PuTTY but one (failure
[u/mdw/putty] / unix / unix.h
1 #ifndef PUTTY_UNIX_H
2 #define PUTTY_UNIX_H
3
4 #include <stdio.h> /* for FILENAME_MAX */
5 #include "charset.h"
6
7 struct Filename {
8 char path[FILENAME_MAX];
9 };
10 #define f_open(filename, mode) ( fopen((filename).path, (mode)) )
11
12 struct FontSpec {
13 char name[256];
14 };
15
16 typedef void *Context; /* FIXME: probably needs changing */
17
18 extern Backend pty_backend;
19
20 /*
21 * Under GTK, we send MA_CLICK _and_ MA_2CLK, or MA_CLICK _and_
22 * MA_3CLK, when a button is pressed for the second or third time.
23 */
24 #define MULTICLICK_ONLY_EVENT 0
25
26 /*
27 * Under GTK, there is no context help available.
28 */
29 #define HELPCTX(x) P(NULL)
30 #define FILTER_KEY_FILES NULL /* FIXME */
31
32 /*
33 * Under X, selection data must not be NUL-terminated.
34 */
35 #define SELECTION_NUL_TERMINATED 0
36
37 /*
38 * Under X, copying to the clipboard terminates lines with just LF.
39 */
40 #define SEL_NL { 10 }
41
42 /* Simple wraparound timer function */
43 unsigned long getticks(void); /* based on gettimeofday(2) */
44 #define GETTICKCOUNT getticks
45 #define TICKSPERSEC 1000000 /* gettimeofday returns microseconds */
46 #define CURSORBLINK 450000 /* no standard way to set this */
47
48 #define WCHAR wchar_t
49 #define BYTE unsigned char
50
51 GLOBAL void *logctx;
52
53 /* Things pty.c needs from pterm.c */
54 char *get_x_display(void *frontend);
55 int font_dimension(void *frontend, int which);/* 0 for width, 1 for height */
56 long get_windowid(void *frontend);
57
58 /* Things gtkdlg.c needs from pterm.c */
59 void *get_window(void *frontend); /* void * to avoid depending on gtk.h */
60
61 /* Things pterm.c needs from gtkdlg.c */
62 void fatal_message_box(void *window, char *msg);
63
64 /* Things pterm.c needs from {ptermm,uxputty}.c */
65 char *make_default_wintitle(char *hostname);
66 int process_nonoption_arg(char *arg, Config *cfg);
67
68 /* Things uxstore.c needs from pterm.c */
69 char *x_get_default(const char *key);
70
71 /* Things uxstore.c provides to pterm.c */
72 void provide_xrm_string(char *string);
73
74 /* The interface used by uxsel.c */
75 void uxsel_init(void);
76 typedef int (*uxsel_callback_fn)(int fd, int event);
77 void uxsel_set(int fd, int rwx, uxsel_callback_fn callback);
78 void uxsel_del(int fd);
79 int select_result(int fd, int event);
80 int first_fd(int *state, int *rwx);
81 int next_fd(int *state, int *rwx);
82 /* The following are expected to be provided _to_ uxsel.c by the frontend */
83 int uxsel_input_add(int fd, int rwx); /* returns an id */
84 void uxsel_input_remove(int id);
85
86 /* uxcfg.c */
87 struct controlbox;
88 void unix_setup_config_box(struct controlbox *b, int midsession);
89
90 /*
91 * In the Unix Unicode layer, DEFAULT_CODEPAGE is a special value
92 * which causes mb_to_wc and wc_to_mb to call _libc_ rather than
93 * libcharset. That way, we can interface the various charsets
94 * supported by libcharset with the one supported by mbstowcs and
95 * wcstombs (which will be the character set in which stuff read
96 * from the command line or config files is assumed to be encoded).
97 */
98 #define DEFAULT_CODEPAGE 0xFFFF
99 #define CP_UTF8 CS_UTF8 /* from libcharset */
100
101 #define strnicmp strncasecmp
102 #define stricmp strcasecmp
103
104 /* BSD-semantics version of signal() */
105 void (*putty_signal(int sig, void (*func)(int)))(int);
106
107 /*
108 * Exports from unicode.c.
109 */
110 struct unicode_data;
111 int init_ucs(struct unicode_data *ucsdata,
112 char *line_codepage, int font_charset);
113
114 /*
115 * Spare function exported directly from uxnet.c.
116 */
117 int sk_getxdmdata(void *sock, unsigned long *ip, int *port);
118
119 #endif