/* vi:ts=4:sw=4 * * VIM - Vi IMproved * * Code Contributions By: Bram Moolenaar mool@oce.nl * Tim Thompson twitch!tjt * Tony Andrews onecom!wldrdg!tony * G. R. (Fred) Walter watmath!watcgl!grwalter */ /* * amiga.c * * Amiga system-dependent routines. */ #include "vim.h" #include "globals.h" #include "proto.h" #include "param.h" #include #undef TRUE /* will be redefined by exec/types.h */ #undef FALSE #ifndef LATTICE # include # include # include # include # include #else # include # include # include # include #endif #ifndef NO_ARP #include /* for arp.library */ #endif #include /* for 2.0 functions */ #include #if defined(LATTICE) && !defined(SASC) && !defined(NO_ARP) # include #endif /* * At this point TRUE and FALSE are defined as 1L and 0L, but we want 1 and 0. */ #undef TRUE #define TRUE (1) #undef FALSE #define FALSE (0) #ifndef AZTEC_C static long dos_packet __ARGS((struct MsgPort *, long, long)); #endif static int lock2name __ARGS((BPTR lock, char *buf, long len)); static struct FileInfoBlock *get_fib __ARGS((char *)); static int sortcmp __ARGS((char **a, char **b)); static BPTR raw_in = (BPTR)NULL; static BPTR raw_out = (BPTR)NULL; static int close_win = FALSE; /* set if Vim opened the window */ struct IntuitionBase *IntuitionBase = NULL; #ifndef NO_ARP struct ArpBase *ArpBase = NULL; #endif static struct Window *wb_window; static char *oldwindowtitle = NULL; #ifndef NO_ARP int dos2 = FALSE; /* Amiga DOS 2.0x or higher */ #endif int size_set = FALSE; /* set to TRUE if window size was set */ void win_resize_on() { outstrn("\033[12{"); } void win_resize_off() { outstrn("\033[12}"); } void mch_write(p, len) char *p; int len; { Write(raw_out, p, (long)len); } /* * GetChars(): low level input funcion. * Get a characters from the keyboard. * If time == 0 do not wait for characters. * If time == n wait a short time for characters. * If time == -1 wait forever for characters. */ int GetChars(buf, maxlen, time) char *buf; int maxlen; int time; /* milli seconds */ { int len; long utime; if (time >= 0) { if (time == 0) utime = 100L; /* time = 0 causes problems in DOS 1.2 */ else utime = time * 1000L; /* convert from milli to micro secs */ if (WaitForChar(raw_in, utime) == 0) /* no character available */ return 0; } else /* time == -1 */ { /* * If there is no character available within 2 seconds (default) * write the autoscript file to disk */ if (WaitForChar(raw_in, p_ut * 1000L) == 0) updatescript(0); } for (;;) /* repeat until we got a character */ { len = Read(raw_in, buf, (long)maxlen); if (len > 0) return len; } } void sleep(n) int n; { #ifndef LATTICE /* SAS declares void Delay(UNLONG) */ void Delay __ARGS((long)); #endif if (n > 0) Delay((long)(50L * n)); } void vim_delay() { Delay(25L); } /* * We have no job control, fake it by starting a new shell. */ void mch_suspend() { outstr("new shell started\n"); call_shell(NULL, 0, TRUE); } #define DOS_LIBRARY ((UBYTE *) "dos.library") void mch_windinit() { static char intlibname[] = "intuition.library"; #ifdef AZTEC_C Enable_Abort = 0; /* disallow vim to be aborted */ #endif Columns = 80; Rows = 24; /* * Set input and output channels, unless we have opened our own window */ if (raw_in == (BPTR)NULL) { raw_in = Input(); raw_out = Output(); } flushbuf(); wb_window = NULL; if ((IntuitionBase = (struct IntuitionBase *)OpenLibrary((UBYTE *)intlibname, 0L)) == NULL) { fprintf(stderr, "cannot open %s!?\n", intlibname); mch_windexit(3); } mch_get_winsize(); } #include /* * Check_win checks whether we have an interactive window. * If not, a new window is opened with the newcli command. * If we would open a window ourselves, the :sh and :! commands would not * work properly (Why? probably because we are then running in a background CLI). * This also is the best way to assure proper working in a next Workbench release. * * For the -e option (quickfix mode) and -x we open our own window and disable :sh. * Otherwise the compiler would never know when editing is finished. */ #define BUF2SIZE 320 /* lenght of buffer for argument with complete path */ void check_win(argc, argv) int argc; char **argv; { int i; BPTR nilfh, fh; char buf1[20]; char buf2[BUF2SIZE]; static char *(constrings[3]) = {"con:0/0/662/210/", "con:0/0/640/200/", "con:0/0/320/200/"}; static char winerr[] = "VIM: Can't open window!\n"; struct WBArg *argp; int ac; char *av; char *device = NULL; int exitval = 4; struct Library *DosBase; int usewin = FALSE; /* * check if we are running under DOS 2.0x or higher */ if (DosBase = OpenLibrary(DOS_LIBRARY, 37L)) { CloseLibrary(DosBase); #ifndef NO_ARP dos2 = TRUE; #endif } else /* without arp functions we NEED 2.0 */ { #ifdef NO_ARP fprintf(stderr, "Need Amigados version 2.04 or later\n"); exit(3); #else /* need arp functions for dos 1.x */ if (!(ArpBase = (struct ArpBase *) OpenLibrary((UBYTE *)ArpName, ArpVersion))) { fprintf(stderr, "Need %s version %ld\n", ArpName, ArpVersion); exit(3); } #endif } /* * scan argv[] for the '-e', '-x' and '-d' arguments */ for (i = 1; i < argc; ++i) if (argv[i][0] == '-') { switch (argv[i][1]) { case 'e': case 'x': usewin = TRUE; break; case 'd': if (i < argc - 1) device = argv[i + 1]; break; } } /* * If we were not started from workbench, do not have a '-d' argument and * we have been started with an interactive window, use that window. */ if (argc != 0 && device == NULL && IsInteractive(Input()) && IsInteractive(Output())) return; /* * If we are in quickfix mode, we open our own window. We can't use the * newcli trick below, because the compiler would not know when we are finished. * We do the same with the '-x' option, for mail, rn, etc. */ if (usewin) { /* * Try to open a window. First try the specified device. * Then try a 24 line 80 column window. * If that fails, try two smaller ones. */ for (i = -1; i < 3; ++i) { if (i >= 0) device = constrings[i]; if (device && (raw_in = Open((UBYTE *)device, (long)MODE_NEWFILE)) != (BPTR)NULL) break; } if (raw_in == (BPTR)NULL) /* all three failed */ { fprintf(stderr, winerr); goto exit; } raw_out = raw_in; close_win = TRUE; return; } if ((nilfh = Open((UBYTE *)"NIL:", (long)MODE_NEWFILE)) == (BPTR)NULL) { fprintf(stderr, "Cannot open NIL:\n"); goto exit; } /* * make a unique name for the temp file (which we will not delete!) */ sprintf(buf1, "t:nc%ld", buf1); /* nobody else is using our stack */ if ((fh = Open((UBYTE *)buf1, (long)MODE_NEWFILE)) == (BPTR)NULL) { fprintf(stderr, "Cannot create %s\n", buf1); goto exit; } /* * Write the command into the file, put quotes around the arguments that * have a space in them. */ if (argc == 0) /* run from workbench */ ac = ((struct WBStartup *)argv)->sm_NumArgs; else ac = argc; for (i = 0; i < ac; ++i) { if (argc == 0) { *buf2 = NUL; argp = &(((struct WBStartup *)argv)->sm_ArgList[i]); if (argp->wa_Lock) lock2name(argp->wa_Lock, buf2, (long)(BUF2SIZE - 1)); #ifndef NO_ARP if (dos2) /* use 2.0 function */ #endif AddPart((UBYTE *)buf2, (UBYTE *)argp->wa_Name, (long)(BUF2SIZE - 1)); #ifndef NO_ARP else /* use arp function */ TackOn(buf2, argp->wa_Name); #endif av = buf2; } else av = argv[i]; if (av[0] == '-' && av[1] == 'd') /* skip '-d' option */ { ++i; continue; } if (strchr(av, ' ')) Write(fh, "\"", 1L); Write(fh, av, (long)strlen(av)); if (strchr(av, ' ')) Write(fh, "\"", 1L); Write(fh, " ", 1L); } Write(fh, "\nendcli\n", 8L); Close(fh); /* * Try to open a new cli in a window. If '-d' argument was given try to open * the specified device. Then try a 24 line 80 column window. * If that fails, try two smaller ones. */ for (i = -1; i < 3; ++i) { if (i >= 0) device = constrings[i]; else if (device == NULL) continue; sprintf(buf2, "newcli nil: %s from %s", device, buf1); #ifndef NO_ARP if (dos2) { #endif if (!SystemTags((UBYTE *)buf2, SYS_UserShell, TRUE, TAG_DONE)) break; #ifndef NO_ARP } else { if (Execute((UBYTE *)buf2, nilfh, nilfh)) break; } #endif } if (i == 3) /* all three failed */ { DeleteFile((UBYTE *)buf1); fprintf(stderr, winerr); goto exit; } exitval = 0; /* The Execute succeeded: exit this program */ exit: #ifndef NO_ARP if (ArpBase) CloseLibrary((struct Library *) ArpBase); #endif exit(exitval); } /* * fname_case(): Set the case of the filename, if it already exists. * This will cause the filename to remain exactly the same. */ void fname_case(name) char *name; { register struct FileInfoBlock *fib; register size_t len; fib = get_fib(name); if (fib != NULL) { len = strlen(name); if (len == strlen(fib->fib_FileName)) /* safety check */ memmove(name, fib->fib_FileName, len); free(fib); } } /* * Get the FileInfoBlock for file "fname" * The returned structure has to be free()d. * Returns NULL on error. */ static struct FileInfoBlock * get_fib(fname) char *fname; { register BPTR flock; register struct FileInfoBlock *fib; if (fname == NULL) /* safety check */ return NULL; fib = (struct FileInfoBlock *)malloc(sizeof(struct FileInfoBlock)); if (fib != NULL) { flock = Lock((UBYTE *)fname, (long)ACCESS_READ); if (flock == (BPTR)NULL || !Examine(flock, fib)) { free(fib); /* in case of an error the memory is freed here */ fib = NULL; } if (flock) UnLock(flock); } return fib; } /* * settitle(): set titlebar of our window */ static char *lasttitle = NULL; void settitle(str) char *str; { if (wb_window != NULL) { free(lasttitle); lasttitle = alloc((unsigned)(strlen(str) + 7)); if (lasttitle != NULL) { sprintf(lasttitle, "VIM - %s", str); SetWindowTitles(wb_window, (UBYTE *)lasttitle, (UBYTE *)-1L); } } } void resettitle() { if (wb_window != NULL && lasttitle != NULL) SetWindowTitles(wb_window, (UBYTE *)lasttitle, (UBYTE *)-1L); } /* * Get name of current directory into buffer 'buf' of length 'len' bytes. * Return non-zero for success. */ dirname(buf, len) char *buf; int len; { return FullName("", buf, len); } /* * get absolute filename into buffer 'buf' of length 'len' bytes */ FullName(fname, buf, len) char *fname, *buf; int len; { BPTR l; int retval = 0; if (fname == NULL) /* always fail */ return 0; if ((l = Lock((UBYTE *)fname, (long)ACCESS_READ)))/* lock the file */ { retval = lock2name(l, buf, (long)len); UnLock(l); } if (retval == 0 || *buf == 0 || *buf == ':') strcpy(buf, fname); /* something failed; use the filename */ return retval; } /* * Get the full filename from a lock. Use 2.0 function if possible, because * the arp function has more restrictions on the path length. */ static int lock2name(lock, buf, len) BPTR lock; char *buf; long len; { #ifndef NO_ARP if (dos2) /* use 2.0 function */ #endif return (int)NameFromLock(lock, (UBYTE *)buf, len); #ifndef NO_ARP else /* use arp function */ return (int)PathName(lock, buf, (long)(len/32)); #endif } /* * get file permissions for 'name' */ long getperm(name) char *name; { struct FileInfoBlock *fib; long retval = -1; fib = get_fib(name); if (fib != NULL) { retval = fib->fib_Protection; free(fib); } return retval; } /* * set file permission for 'name' to 'perm' */ setperm(name, perm) char *name; long perm; { perm &= ~FIBF_ARCHIVE; /* reset archived bit */ return (int)SetProtection((UBYTE *)name, (long)perm); } /* * check if "name" is a directory */ isdir(name) char *name; { struct FileInfoBlock *fib; int retval = -1; fib = get_fib(name); if (fib != NULL) { retval = (fib->fib_DirEntryType >= 0); free(fib); } return retval; } /* * Careful: mch_windexit() may be called before mch_windinit()! */ void mch_windexit(r) int r; { if (raw_in) /* put terminal in 'normal' mode */ { settmode(0); stoptermcap(); } if (raw_out) { if (term_console) { win_resize_off(); /* window resize events de-activated */ if (size_set) outstr("\233t\233u"); /* reset window size (CSI t CSI u) */ } flushbuf(); } if (wb_window != NULL) /* disable window title */ SetWindowTitles(wb_window, (UBYTE *)oldwindowtitle, (UBYTE *)-1L); stopscript(); /* remove autoscript file */ #ifndef NO_ARP if (ArpBase) CloseLibrary((struct Library *) ArpBase); #endif if (close_win) Close(raw_in); if (r) printf("Vim exiting with %d\n", r); /* somehow this makes :cq work!? */ exit(r); } /* * This is a routine for setting a given stream to raw or cooked mode on the * Amiga . This is useful when you are using Lattice C to produce programs * that want to read single characters with the "getch()" or "fgetc" call. * * Written : 18-Jun-87 By Chuck McManis. */ #define MP(xx) ((struct MsgPort *)((struct FileHandle *) (BADDR(xx)))->fh_Type) /* * Function mch_settmode() - Convert the specified file pointer to 'raw' or 'cooked' * mode. This only works on TTY's. * * Raw: keeps DOS from translating keys for you, also (BIG WIN) it means * getch() will return immediately rather than wait for a return. You * lose editing features though. * * Cooked: This function returns the designate file pointer to it's normal, * wait for a mode. This is exactly like raw() except that * it sends a 0 to the console to make it back into a CON: from a RAW: */ void mch_settmode(raw) int raw; { if (dos_packet(MP(raw_in), (long)ACTION_SCREEN_MODE, raw ? -1L : 0L) == 0) fprintf(stderr, "cannot change console mode ?!\n"); } /* * Code for this routine came from the following : * * ConPackets.c - C. Scheppner, A. Finkel, P. Lindsay CBM * DOS packet example * Requires 1.2 * * Found on Fish Disk 56. * * Heavely modified by mool. */ #include /* * try to get the real window size * return non-zero for failure */ int mch_get_winsize() { struct ConUnit *conUnit; char id_a[sizeof(struct InfoData) + 3]; struct InfoData *id; if (!term_console) /* not an amiga window */ return 1; /* insure longword alignment */ id = (struct InfoData *)(((long)id_a + 3L) & ~3L); /* * Should make console aware of real window size, not the one we set. * Unfortunately, under DOS 2.0x this redraws the window and it * is rarely needed, so we skip it now, unless we changed the size. */ if (size_set) outstr("\233t\233u"); /* CSI t CSI u */ flushbuf(); if (dos_packet(MP(raw_out), (long)ACTION_DISK_INFO, ((ULONG) id) >> 2) == 0 || (wb_window = (struct Window *)id->id_VolumeNode) == NULL) { /* it's not an amiga window, maybe aux device */ /* terminal type should be set */ term_console = FALSE; return 1; } if (oldwindowtitle == NULL) oldwindowtitle = (char *)wb_window->Title; if (id->id_InUse == (BPTR)NULL) { fprintf(stderr, "mch_get_winsize: not a console??\n"); return (2); } conUnit = (struct ConUnit *) ((struct IOStdReq *) id->id_InUse)->io_Unit; /* get window size */ Rows = conUnit->cu_YMax + 1; Columns = conUnit->cu_XMax + 1; if (Rows < 0 || Rows > 200) /* cannot be an amiga window */ { Columns = 80; Rows = 24; term_console = FALSE; return 1; } Rows_max = Rows; /* remember physical max height */ check_winsize(); script_winsize(); return 0; } /* * try to set the real window size */ void mch_set_winsize() { if (term_console) { size_set = TRUE; outchar(CSI); outnum((long)Rows); outchar('t'); outchar(CSI); outnum((long)Columns); outchar('u'); flushbuf(); } } #ifdef SETKEYMAP /* * load and activate a new keymap for our CLI - DOES NOT WORK - * The problem is that after the setting of the keymap the input blocks * But the new keymap works allright in another window. * Tried but no improvement: * - remembering the length, data and command fields in request->io_xxx * - settmode(0) first, settmode(1) afterwards * - putting the keymap directly in conunit structure */ #include void set_keymap(name) char *name; { char id_a[sizeof(struct InfoData) + 3]; struct InfoData *id; static struct KeyMap *old; static BPTR segment = (BPTR)NULL; struct IOStdReq *request; int c; if (!term_console) return; /* insure longword alignment */ id = (struct InfoData *)(((long)id_a + 3L) & ~3L); if (dos_packet(MP(raw_out), (long)ACTION_DISK_INFO, ((ULONG) id) >> 2) == 0) { emsg("dos_packet failed"); return; } if (id->id_InUse == (BPTR)NULL) { emsg("not a console??"); return; } request = (struct IOStdReq *) id->id_InUse; if (segment != (BPTR)NULL) /* restore old keymap */ { request->io_Command = CD_SETKEYMAP; request->io_Length = sizeof(struct KeyMap); request->io_Data = (APTR)old; DoIO((struct IORequest *)request); if (request->io_Error) emsg("Cannot reset keymap"); else /* no error, free the allocated memory */ { UnLoadSeg(segment); FreeMem(old, sizeof(struct KeyMap)); segment = (BPTR)NULL; } } if (name != NULL) { segment = LoadSeg(name); if (segment == (BPTR)NULL) { emsg("Cannot open keymap file"); return; } old = (struct KeyMap *)AllocMem(sizeof(struct KeyMap), MEMF_PUBLIC); if (old == NULL) { emsg(e_outofmem); UnLoadSeg(segment); segment = (BPTR)NULL; } else { request->io_Command = CD_ASKKEYMAP; request->io_Length = sizeof(struct KeyMap); request->io_Data = (APTR)old; DoIO((struct IORequest *)request); if (request->io_Error) { emsg("Cannot get old keymap"); UnLoadSeg(segment); segment = (BPTR)NULL; FreeMem(old, sizeof(struct KeyMap)); } else { request->io_Command = CD_SETKEYMAP; request->io_Length = sizeof(struct KeyMap); request->io_Data = (APTR)((segment << 2) + 18); DoIO((struct IORequest *)request); if (request->io_Error) emsg("Cannot set keymap"); /* test for blocking */ request->io_Command = CMD_READ; request->io_Length = 1; request->io_Data = (APTR)&c; DoIO((struct IORequest *)request); /* BLOCK HERE! */ if (request->io_Error) emsg("Cannot set keymap"); } } } } #endif #ifndef AZTEC_C /* * Sendpacket.c * * An invaluable addition to your Amiga.lib file. This code sends a packet to * the given message port. This makes working around DOS lots easier. * * Note, I didn't write this, those wonderful folks at CBM did. I do suggest * however that you may wish to add it to Amiga.Lib, to do so, compile it and * say 'oml lib:amiga.lib -r sendpacket.o' */ /* #include */ /* #include */ #include /* * Function - dos_packet written by Phil Lindsay, Carolyn Scheppner, and Andy * Finkel. This function will send a packet of the given type to the Message * Port supplied. */ static long dos_packet(pid, action, arg) struct MsgPort *pid; /* process indentifier ... (handlers message port) */ long action, /* packet type ... (what you want handler to do) */ arg; /* single argument */ { # ifndef NO_ARP struct MsgPort *replyport; struct StandardPacket *packet; long res1; if (dos2) # endif return DoPkt(pid, action, arg, 0L, 0L, 0L, 0L); /* use 2.0 function */ # ifndef NO_ARP replyport = (struct MsgPort *) CreatePort(NULL, 0); /* use arp function */ if (!replyport) return (0); /* Allocate space for a packet, make it public and clear it */ packet = (struct StandardPacket *) AllocMem((long) sizeof(struct StandardPacket), MEMF_PUBLIC | MEMF_CLEAR); if (!packet) { DeletePort(replyport); return (0); } packet->sp_Msg.mn_Node.ln_Name = (char *) &(packet->sp_Pkt); packet->sp_Pkt.dp_Link = &(packet->sp_Msg); packet->sp_Pkt.dp_Port = replyport; packet->sp_Pkt.dp_Type = action; packet->sp_Pkt.dp_Arg1 = arg; PutMsg(pid, (struct Message *)packet); /* send packet */ WaitPort(replyport); GetMsg(replyport); res1 = packet->sp_Pkt.dp_Res1; FreeMem(packet, (long) sizeof(struct StandardPacket)); DeletePort(replyport); return (res1); # endif } #endif /* * call shell, return non-zero for failure */ int call_shell(cmd, filter, cooked) char *cmd; int filter; /* if != 0: called by dofilter() */ int cooked; { BPTR mydir; int x; #ifndef LATTICE int use_execute; char *shellcmd = NULL; char *shellarg; #endif int retval = 0; if (close_win) { /* if Vim opened a window: Executing a shell may cause crashes */ emsg("Cannot execute shell with -e or -x option"); return 1; } if (term_console) win_resize_off(); /* window resize events de-activated */ flushbuf(); if (cooked) settmode(0); /* set to cooked mode */ mydir = Lock((UBYTE *)"", (long)ACCESS_READ); /* remember current directory */ #ifdef LATTICE /* not tested very much */ if (cmd == NULL) { # ifndef NO_ARP if (dos2) # endif x = SystemTags(p_sh, SYS_UserShell, TRUE, TAG_DONE); # ifndef NO_ARP else x = Execute(p_sh, raw_in, raw_out); # endif } else { # ifndef NO_ARP if (dos2) # endif x = SystemTags(cmd, SYS_UserShell, TRUE, TAG_DONE); # ifndef NO_ARP else x = Execute(cmd, 0L, raw_out); # endif } # ifdef NO_ARP if (x < 0) # else if ((dos2 && x < 0) || (!dos2 && !x)) # endif { if (cmd == NULL) emsg2("Cannot execute shell %s", p_sh); else emsg2("Cannot execute %s", cmd); outchar('\n'); retval = 1; } # ifdef NO_ARP else if (x) # else else if (!dos2 || x) # endif { if (x = IoErr()) { smsg("%d returned", x); outchar('\n'); retval = 1; } } #else /* LATTICE */ if (p_st >= 4 || (p_st >= 2 && !filter)) use_execute = 1; else use_execute = 0; if (!use_execute) { /* * separate shell name from argument */ shellcmd = strsave(p_sh); if (shellcmd == NULL) /* out of memory, use Execute */ use_execute = 1; else { shellarg = shellcmd; skiptospace(&shellarg); /* find start of arguments */ if (*shellarg != NUL) { *shellarg++ = NUL; skipspace(&shellarg); } } } if (cmd == NULL) { if (use_execute) { #ifndef NO_ARP if (dos2) #endif x = SystemTags((UBYTE *)p_sh, SYS_UserShell, TRUE, TAG_DONE); #ifndef NO_ARP else x = !Execute((UBYTE *)p_sh, raw_in, raw_out); #endif } else x = fexecl(shellcmd, shellcmd, shellarg, NULL); } else if (use_execute) { #ifndef NO_ARP if (dos2) #endif x = SystemTags((UBYTE *)cmd, SYS_UserShell, TRUE, TAG_DONE); #ifndef NO_ARP else x = !Execute((UBYTE *)cmd, 0L, raw_out); #endif } else if (p_st & 1) x = fexecl(shellcmd, shellcmd, shellarg, cmd, NULL); else x = fexecl(shellcmd, shellcmd, shellarg, "-c", cmd, NULL); #ifdef NO_ARP if (x < 0) #else if ((dos2 && x < 0) || (!dos2 && x)) #endif { if (use_execute) emsg2("Cannot execute %s", cmd == NULL ? p_sh : cmd); else emsg2("Cannot execute shell %s", shellcmd); outchar('\n'); retval = 1; } else { if (use_execute) { #ifdef NO_ARP if (x) #else if (!dos2 || x) #endif x = IoErr(); } else x = wait(); if (x) { smsg("%d returned", x); outchar('\n'); retval = 1; } } free(shellcmd); #endif if (mydir = CurrentDir(mydir)) /* make sure we stay in the same directory */ UnLock(mydir); if (cooked) settmode(1); /* set to raw mode */ resettitle(); if (term_console) win_resize_on(); /* window resize events activated */ return retval; } /* * check for an "interrupt signal" * We only react to a CTRL-C, but also clear the other break signals to avoid trouble * with lattice-c programs. */ void breakcheck() { if (SetSignal(0L, (long)(SIGBREAKF_CTRL_C|SIGBREAKF_CTRL_D|SIGBREAKF_CTRL_E|SIGBREAKF_CTRL_F)) & SIGBREAKF_CTRL_C) got_int = TRUE; } /* this routine causes manx to use this Chk_Abort() rather than it's own */ /* otherwise it resets our ^C when doing any I/O (even when Enable_Abort */ /* is zero). Since we want to check for our own ^C's */ #ifdef _DCC #define Chk_Abort chkabort #endif long Chk_Abort() { return(0L); } /* * ExpandWildCard() - this code does wild-card pattern matching using the arp * routines. This is based on WildDemo2.c (found in arp1.1 * distribution). That code's copyright follows : *------------------------------------------------------------------------- * WildDemo2.c - Search filesystem for patterns, and separate into directories * and files, sorting each separately using DA lists. * * -+=SDB=+- * * Copyright (c) 1987, Scott Ballantyne * Use and abuse as you please. * * num_pat is number of input patterns * pat is array of pointers to input patterns * num_file is pointer to number of matched file names * file is pointer to array of pointers to matched file names * if file_only is TRUE we match only files, no dirs * if list_notfound is TRUE we include not-found entries (probably locked) * return 0 for success, 1 for error (you may loose some memory) *------------------------------------------------------------------------- */ /* #include */ extern void *malloc __ARGS((size_t)), *calloc __ARGS((size_t, size_t)); static int insfile __ARGS((char *, int)); static void freefiles __ARGS((void)); #define ANCHOR_BUF_SIZE (512) #define ANCHOR_SIZE (sizeof(struct AnchorPath) + ANCHOR_BUF_SIZE) /* * we use this structure to built a list of file names */ struct onefile { struct onefile *next; char name[1]; /* really longer */ } *namelist = NULL; /* * insert one file into the list of file names * return -1 for failure * return 0 for success */ static int insfile(name, isdir) char *name; int isdir; { struct onefile *new; new = (struct onefile *)alloc((unsigned)(sizeof(struct onefile) + strlen(name) + isdir)); if (new == NULL) return -1; strcpy(&(new->name[0]), name); if (isdir) strcat(&(new->name[0]), "/"); new->next = namelist; namelist = new; return 0; } /* * free a whole list of file names */ static void freefiles() { struct onefile *p; while (namelist) { p = namelist->next; free(namelist); namelist = p; } } static int sortcmp(a, b) char **a, **b; { return strcmp(*a, *b); } ExpandWildCards(num_pat, pat, num_file, file, files_only, list_notfound) int num_pat; char **pat; int *num_file; char ***file; int files_only; int list_notfound; { int i; struct AnchorPath *Anchor; int domatchend = FALSE; LONG Result; struct onefile *p; char *errmsg = NULL; char *starbuf, *sp, *dp; int foundone; *num_file = 0; *file = (char **)""; /* Get our AnchorBase */ Anchor = (struct AnchorPath *) calloc((size_t)1, (size_t)ANCHOR_SIZE); if (!Anchor) goto OUT_OF_MEMORY; Anchor->ap_StrLen = ANCHOR_BUF_SIZE; /* ap_Length not supported anymore */ #ifdef APF_DODOT Anchor->ap_Flags = APF_DODOT | APF_DOWILD; /* allow '.' for current dir */ #else Anchor->ap_Flags = APF_DoDot | APF_DoWild; /* allow '.' for current dir */ #endif for (i = 0; i < num_pat; i++) { #ifndef NO_ARP if (dos2) { #endif /* hack to replace '*' by '#?' */ starbuf = alloc((unsigned)(2 * strlen(pat[i]) + 1)); /* maximum required */ if (starbuf == NULL) goto OUT_OF_MEMORY; for (sp = pat[i], dp = starbuf; *sp; ++sp) { if (*sp == '*') { *dp++ = '#'; *dp++ = '?'; } else *dp++ = *sp; } *dp = NUL; Result = MatchFirst((UBYTE *)starbuf, Anchor); free(starbuf); #ifndef NO_ARP } else Result = FindFirst(pat[i], Anchor); #endif domatchend = TRUE; foundone = FALSE; while (Result == 0) { if (!files_only || Anchor->ap_Info.fib_DirEntryType < 0) { (*num_file)++; if (insfile(Anchor->ap_Buf, Anchor->ap_Info.fib_DirEntryType >= 0)) { OUT_OF_MEMORY: errmsg = "Out of memory"; goto Return; } foundone = TRUE; } #ifndef NO_ARP if (dos2) #endif Result = MatchNext(Anchor); #ifndef NO_ARP else Result = FindNext(Anchor); #endif } if (Result == ERROR_BUFFER_OVERFLOW) { errmsg = "ANCHOR_BUF_SIZE too small."; goto Return; } if (!foundone) { if (list_notfound) /* put object with error in list */ { (*num_file)++; if (insfile(pat[i], FALSE)) goto OUT_OF_MEMORY; } else if (Result != ERROR_OBJECT_NOT_FOUND && Result != ERROR_NO_MORE_ENTRIES) { errmsg = "I/O ERROR"; goto Return; } } #ifndef NO_ARP if (dos2) #endif MatchEnd(Anchor); #ifndef NO_ARP else { FreeAnchorChain(Anchor); Anchor = NULL; /* is this right or wrong? */ } #endif domatchend = FALSE; } p = namelist; if (p) { *file = (char **) malloc(sizeof(char *) * (*num_file)); if (*file == NULL) goto OUT_OF_MEMORY; for (i = *num_file - 1; p; p = p->next, --i) { (*file)[i] = (char *) malloc(strlen(p->name) + 1); if ((*file)[i] == NULL) goto OUT_OF_MEMORY; strcpy((*file)[i], p->name); } qsort((void *)*file, (size_t)*num_file, sizeof(char *), sortcmp); } Return: if (domatchend) { #ifndef NO_ARP if (dos2) #endif MatchEnd(Anchor); #ifndef NO_ARP else { FreeAnchorChain(Anchor); Anchor = NULL; /* is this right or wrong? */ } #endif } if (Anchor) free(Anchor); freefiles(); if (errmsg) { emsg(errmsg); *num_file = 0; return 1; } return 0; } void FreeWild(num, file) int num; char **file; { if (file == NULL || num == 0) return; while (num--) free(file[num]); free(file); } int has_wildcard(p) char *p; { for ( ; *p; ++p) if (strchr("*?[(~#", *p) != NULL) return 1; return 0; } /* * With 2.0 support for reading local environment variables */ char * vimgetenv(var) char *var; { int len; #ifndef NO_ARP if (!dos2) return getenv(var); #endif len = GetVar((UBYTE *)var, (UBYTE *)IObuff, (long)(IOSIZE - 1), (long)0); if (len == -1) return NULL; else return IObuff; }