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Diffstat (limited to 'src/os_amiga.c')
| -rw-r--r-- | src/os_amiga.c | 1653 |
1 files changed, 1653 insertions, 0 deletions
diff --git a/src/os_amiga.c b/src/os_amiga.c new file mode 100644 index 0000000..4a6814c --- /dev/null +++ b/src/os_amiga.c @@ -0,0 +1,1653 @@ +/* vi:set ts=8 sts=4 sw=4 noet: + * + * VIM - Vi IMproved by Bram Moolenaar + * + * Do ":help uganda" in Vim to read copying and usage conditions. + * Do ":help credits" in Vim to see a list of people who contributed. + * See README.txt for an overview of the Vim source code. + */ + +/* + * os_amiga.c + * + * Amiga system-dependent routines. + */ + +#include "vim.h" + +#ifdef Window +# undef Window /* Amiga has its own Window definition */ +#endif + +#undef TRUE /* will be redefined by exec/types.h */ +#undef FALSE + +/* cproto fails on missing include files, skip them */ +#ifndef PROTO + +#ifndef LATTICE +# include <exec/types.h> +# include <exec/exec.h> +# include <libraries/dos.h> +# include <intuition/intuition.h> +#endif + +/* XXX These are included from os_amiga.h +#include <proto/exec.h> +#include <proto/dos.h> +#include <proto/intuition.h> +*/ + +#include <exec/memory.h> +#include <libraries/dosextens.h> + +#include <dos/dostags.h> /* for 2.0 functions */ +#include <dos/dosasl.h> + +/* From version 4 of AmigaOS, several system structures must be allocated + * and freed using system functions. "struct AnchorPath" is one. + */ +#ifdef __amigaos4__ +# include <dos/anchorpath.h> +# define free_fib(x) FreeDosObject(DOS_FIB, x) +#else +# define free_fib(x) vim_free(fib) +#endif + +#if defined(LATTICE) && !defined(SASC) && defined(FEAT_ARP) +# include <libraries/arp_pragmas.h> +#endif + +#endif /* PROTO */ + +/* + * 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) + +#ifdef __amigaos4__ +# define dos_packet(a, b, c) DoPkt(a, b, c, 0, 0, 0, 0) +#elif !defined(AZTEC_C) && !defined(__AROS__) +static long dos_packet(struct MsgPort *, long, long); +#endif +static int lock2name(BPTR lock, char_u *buf, long len); +static void out_num(long n); +static struct FileInfoBlock *get_fib(char_u *); +static int sortcmp(const void *a, const void *b); + +static BPTR raw_in = (BPTR)NULL; +static BPTR raw_out = (BPTR)NULL; +static int close_win = FALSE; /* set if Vim opened the window */ + +#ifndef __amigaos4__ /* Use autoopen for AmigaOS4 */ +struct IntuitionBase *IntuitionBase = NULL; +#endif +#ifdef FEAT_ARP +struct ArpBase *ArpBase = NULL; +#endif + +static struct Window *wb_window; +static char_u *oldwindowtitle = NULL; + +#ifdef FEAT_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(void) +{ + OUT_STR_NF("\033[12{"); +} + + void +win_resize_off(void) +{ + OUT_STR_NF("\033[12}"); +} + + void +mch_write(char_u *p, int len) +{ + Write(raw_out, (char *)p, (long)len); +} + +/* + * mch_inchar(): low level input function. + * 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. + * + * Return number of characters read. + */ + int +mch_inchar( + char_u *buf, + int maxlen, + long time, /* milli seconds */ + int tb_change_cnt) +{ + 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. Or cause the CursorHold event + * to be triggered. + */ + if (WaitForChar(raw_in, p_ut * 1000L) == 0) + { + if (trigger_cursorhold() && maxlen >= 3) + { + buf[0] = K_SPECIAL; + buf[1] = KS_EXTRA; + buf[2] = (int)KE_CURSORHOLD; + return 3; + } + before_blocking(); + } + } + + for (;;) /* repeat until we got a character */ + { + len = Read(raw_in, (char *)buf, (long)maxlen / input_conv.vc_factor); + if (len > 0) + { + /* Convert from 'termencoding' to 'encoding'. */ + if (input_conv.vc_type != CONV_NONE) + len = convert_input(buf, len, maxlen); + return len; + } + } +} + +/* + * return non-zero if a character is available + */ + int +mch_char_avail(void) +{ + return (WaitForChar(raw_in, 100L) != 0); +} + +/* + * Return amount of memory still available in Kbyte. + */ + long_u +mch_avail_mem(int special) +{ +#ifdef __amigaos4__ + return (long_u)AvailMem(MEMF_ANY) >> 10; +#else + return (long_u)(AvailMem(special ? (long)MEMF_CHIP : (long)MEMF_ANY)) >> 10; +#endif +} + +/* + * Waits a specified amount of time, or until input arrives if + * ignoreinput is FALSE. + */ + void +mch_delay(long msec, int ignoreinput) +{ +#ifndef LATTICE /* SAS declares void Delay(ULONG) */ + void Delay(long); +#endif + + if (msec > 0) + { + if (ignoreinput) + Delay(msec / 20L); /* Delay works with 20 msec intervals */ + else + WaitForChar(raw_in, msec * 1000L); + } +} + +/* + * We have no job control, fake it by starting a new shell. + */ + void +mch_suspend(void) +{ + suspend_shell(); +} + +#ifndef DOS_LIBRARY +# define DOS_LIBRARY ((UBYTE *)"dos.library") +#endif + + void +mch_init(void) +{ + 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(); + /* + * If Input() is not interactive, then Output() will be (because of + * check in mch_check_win()). Used for "Vim -". + * Also check the other way around, for "Vim -h | more". + */ + if (!IsInteractive(raw_in)) + raw_in = raw_out; + else if (!IsInteractive(raw_out)) + raw_out = raw_in; + } + + out_flush(); + + wb_window = NULL; +#ifndef __amigaos4__ + if ((IntuitionBase = (struct IntuitionBase *) + OpenLibrary((UBYTE *)intlibname, 0L)) == NULL) + { + mch_errmsg(_("cannot open ")); + mch_errmsg(intlibname); + mch_errmsg("!?\n"); + mch_exit(3); + } +#endif +} + +#ifndef PROTO +# include <workbench/startup.h> +#endif + +/* + * 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 -f option (foreground mode) we open our own window and disable :sh. + * Otherwise the calling program would never know when editing is finished. + */ +#define BUF2SIZE 320 /* length of buffer for argument with complete path */ + + int +mch_check_win(int argc, char **argv) +{ + int i; + BPTR nilfh, fh; + char_u buf1[24]; + char_u buf2[BUF2SIZE]; + static char_u *(constrings[3]) = {(char_u *)"con:0/0/662/210/", + (char_u *)"con:0/0/640/200/", + (char_u *)"con:0/0/320/200/"}; + static char_u *winerr = (char_u *)N_("VIM: Can't open window!\n"); + struct WBArg *argp; + int ac; + char *av; + char_u *device = NULL; + int exitval = 4; +#ifndef __amigaos4__ + struct Library *DosBase; +#endif + int usewin = FALSE; + +/* + * check if we are running under DOS 2.0x or higher + */ +#ifndef __amigaos4__ + DosBase = OpenLibrary(DOS_LIBRARY, 37L); + if (DosBase != NULL) + /* if (((struct Library *)DOSBase)->lib_Version >= 37) */ + { + CloseLibrary(DosBase); +# ifdef FEAT_ARP + dos2 = TRUE; +# endif + } + else /* without arp functions we NEED 2.0 */ + { +# ifndef FEAT_ARP + mch_errmsg(_("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 + } +#endif /* __amigaos4__ */ + + /* + * scan argv[] for the "-f" and "-d" arguments + */ + for (i = 1; i < argc; ++i) + if (argv[i][0] == '-') + { + switch (argv[i][1]) + { + case 'f': + usewin = TRUE; + break; + + case 'd': + if (i < argc - 1 +#ifdef FEAT_DIFF + /* require using "-dev", "-d" means diff mode */ + && argv[i][2] == 'e' && argv[i][3] == 'v' +#endif + ) + device = (char_u *)argv[i + 1]; + break; + } + } + +/* + * If we were not started from workbench, do not have a "-d" or "-dev" + * argument and we have been started with an interactive window, use that + * window. + */ + if (argc != 0 + && device == NULL + && (IsInteractive(Input()) || IsInteractive(Output()))) + return OK; + +/* + * When given the "-f" argument, we open our own window. We can't use the + * newcli trick below, because the calling program (mail, rn, etc.) would not + * know when we are finished. + */ + 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 != NULL && (raw_in = Open((UBYTE *)device, + (long)MODE_NEWFILE)) != (BPTR)NULL) + break; + } + if (raw_in == (BPTR)NULL) /* all three failed */ + { + mch_errmsg(_(winerr)); + goto exit; + } + raw_out = raw_in; + close_win = TRUE; + return OK; + } + + if ((nilfh = Open((UBYTE *)"NIL:", (long)MODE_NEWFILE)) == (BPTR)NULL) + { + mch_errmsg(_("Cannot open NIL:\n")); + goto exit; + } + + /* + * Make a unique name for the temp file (which we will not delete!). + * Use a pointer on the stack (nobody else will be using it). + * Under AmigaOS4, this assumption might change in the future, so + * we use a pointer to the current task instead. This should be a + * shared structure and thus globally unique. + */ +#ifdef __amigaos4__ + sprintf((char *)buf1, "t:nc%p", FindTask(0)); +#else + sprintf((char *)buf1, "t:nc%ld", (long)buf1); +#endif + if ((fh = Open((UBYTE *)buf1, (long)MODE_NEWFILE)) == (BPTR)NULL) + { + mch_errmsg(_("Cannot create ")); + mch_errmsg((char *)buf1); + mch_errmsg("\n"); + 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) + (void)lock2name(argp->wa_Lock, buf2, (long)(BUF2SIZE - 1)); +#ifdef FEAT_ARP + if (dos2) /* use 2.0 function */ +#endif + AddPart((UBYTE *)buf2, (UBYTE *)argp->wa_Name, (long)(BUF2SIZE - 1)); +#ifdef FEAT_ARP + else /* use arp function */ + TackOn((char *)buf2, argp->wa_Name); +#endif + av = (char *)buf2; + } + else + av = argv[i]; + + /* skip '-d' or "-dev" option */ + if (av[0] == '-' && av[1] == 'd' +#ifdef FEAT_DIFF + && av[2] == 'e' && av[3] == 'v' +#endif + ) + { + ++i; + continue; + } + if (vim_strchr((char_u *)av, ' ')) + Write(fh, "\"", 1L); + Write(fh, av, (long)strlen(av)); + if (vim_strchr((char_u *)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" or "-dev" 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((char *)buf2, "newcli <nil: >nil: %s from %s", (char *)device, (char *)buf1); +#ifdef FEAT_ARP + if (dos2) + { +#endif + if (!SystemTags((UBYTE *)buf2, SYS_UserShell, TRUE, TAG_DONE)) + break; +#ifdef FEAT_ARP + } + else + { + if (Execute((UBYTE *)buf2, nilfh, nilfh)) + break; + } +#endif + } + if (i == 3) /* all three failed */ + { + DeleteFile((UBYTE *)buf1); + mch_errmsg(_(winerr)); + goto exit; + } + exitval = 0; /* The Execute succeeded: exit this program */ + +exit: +#ifdef FEAT_ARP + if (ArpBase) + CloseLibrary((struct Library *) ArpBase); +#endif + exit(exitval); + /* NOTREACHED */ + return FAIL; +} + +/* + * Return TRUE if the input comes from a terminal, FALSE otherwise. + * We fake there is a window, because we can always open one! + */ + int +mch_input_isatty(void) +{ + return TRUE; +} + +/* + * fname_case(): Set the case of the file name, if it already exists. + * This will cause the file name to remain exactly the same + * if the file system ignores, but preserves case. + */ +/*ARGSUSED*/ + void +fname_case( + char_u *name, + int len) /* buffer size, ignored here */ +{ + struct FileInfoBlock *fib; + size_t flen; + + fib = get_fib(name); + if (fib != NULL) + { + flen = STRLEN(name); + /* TODO: Check if this fix applies to AmigaOS < 4 too.*/ +#ifdef __amigaos4__ + if (fib->fib_DirEntryType == ST_ROOT) + strcat(fib->fib_FileName, ":"); +#endif + if (flen == strlen(fib->fib_FileName)) /* safety check */ + mch_memmove(name, fib->fib_FileName, flen); + free_fib(fib); + } +} + +/* + * Get the FileInfoBlock for file "fname" + * The returned structure has to be free()d. + * Returns NULL on error. + */ + static struct FileInfoBlock * +get_fib(char_u *fname) +{ + BPTR flock; + struct FileInfoBlock *fib; + + if (fname == NULL) /* safety check */ + return NULL; +#ifdef __amigaos4__ + fib = AllocDosObject(DOS_FIB,0); +#else + fib = (struct FileInfoBlock *)alloc(sizeof(struct FileInfoBlock)); +#endif + if (fib != NULL) + { + flock = Lock((UBYTE *)fname, (long)ACCESS_READ); + if (flock == (BPTR)NULL || !Examine(flock, fib)) + { + free_fib(fib); /* in case of an error the memory is freed here */ + fib = NULL; + } + if (flock) + UnLock(flock); + } + return fib; +} + +#ifdef FEAT_TITLE +/* + * set the title of our window + * icon name is not set + */ + void +mch_settitle(char_u *title, char_u *icon) +{ + if (wb_window != NULL && title != NULL) + SetWindowTitles(wb_window, (UBYTE *)title, (UBYTE *)-1L); +} + +/* + * Restore the window/icon title. + * which is one of: + * SAVE_RESTORE_TITLE Just restore title + * SAVE_RESTORE_ICON Just restore icon (which we don't have) + * SAVE_RESTORE_BOTH Restore title and icon (which we don't have) + */ + void +mch_restore_title(int which) +{ + if (which & SAVE_RESTORE_TITLE) + mch_settitle(oldwindowtitle, NULL); +} + + int +mch_can_restore_title(void) +{ + return (wb_window != NULL); +} + + int +mch_can_restore_icon(void) +{ + return FALSE; +} +#endif + +/* + * Insert user name in s[len]. + */ + int +mch_get_user_name(char_u *s, int len) +{ + /* TODO: Implement this. */ + *s = NUL; + return FAIL; +} + +/* + * Insert host name is s[len]. + */ + void +mch_get_host_name(char_u *s, int len) +{ +#if defined(__amigaos4__) && defined(__CLIB2__) + gethostname(s, len); +#else + vim_strncpy(s, "Amiga", len - 1); +#endif +} + +/* + * return process ID + */ + long +mch_get_pid(void) +{ +#ifdef __amigaos4__ + /* This is as close to a pid as we can come. We could use CLI numbers also, + * but then we would have two different types of process identifiers. + */ + return((long)FindTask(0)); +#else + return (long)0; +#endif +} + +/* + * Get name of current directory into buffer 'buf' of length 'len' bytes. + * Return OK for success, FAIL for failure. + */ + int +mch_dirname(char_u *buf, int len) +{ + return mch_FullName((char_u *)"", buf, len, FALSE); +} + +/* + * get absolute file name into buffer 'buf' of length 'len' bytes + * + * return FAIL for failure, OK otherwise + */ + int +mch_FullName( + char_u *fname, + char_u *buf, + int len, + int force) +{ + BPTR l; + int retval = FAIL; + int i; + + /* Lock the file. If it exists, we can get the exact name. */ + if ((l = Lock((UBYTE *)fname, (long)ACCESS_READ)) != (BPTR)0) + { + retval = lock2name(l, buf, (long)len - 1); + UnLock(l); + } + else if (force || !mch_isFullName(fname)) /* not a full path yet */ + { + /* + * If the file cannot be locked (doesn't exist), try to lock the + * current directory and concatenate the file name. + */ + if ((l = Lock((UBYTE *)"", (long)ACCESS_READ)) != (BPTR)NULL) + { + retval = lock2name(l, buf, (long)len); + UnLock(l); + if (retval == OK) + { + i = STRLEN(buf); + /* Concatenate the fname to the directory. Don't add a slash + * if fname is empty, but do change "" to "/". */ + if (i == 0 || *fname != NUL) + { + if (i < len - 1 && (i == 0 || buf[i - 1] != ':')) + buf[i++] = '/'; + vim_strncpy(buf + i, fname, len - i - 1); + } + } + } + } + if (*buf == 0 || *buf == ':') + retval = FAIL; /* something failed; use the file name */ + return retval; +} + +/* + * Return TRUE if "fname" does not depend on the current directory. + */ + int +mch_isFullName(char_u *fname) +{ + return (vim_strchr(fname, ':') != NULL && *fname != ':'); +} + +/* + * Get the full file name from a lock. Use 2.0 function if possible, because + * the arp function has more restrictions on the path length. + * + * return FAIL for failure, OK otherwise + */ + static int +lock2name(BPTR lock, char_u *buf, long len) +{ +#ifdef FEAT_ARP + if (dos2) /* use 2.0 function */ +#endif + return ((int)NameFromLock(lock, (UBYTE *)buf, len) ? OK : FAIL); +#ifdef FEAT_ARP + else /* use arp function */ + return ((int)PathName(lock, (char *)buf, (long)(len/32)) ? OK : FAIL); +#endif +} + +/* + * get file permissions for 'name' + * Returns -1 when it doesn't exist. + */ + long +mch_getperm(char_u *name) +{ + struct FileInfoBlock *fib; + long retval = -1; + + fib = get_fib(name); + if (fib != NULL) + { + retval = fib->fib_Protection; + free_fib(fib); + } + return retval; +} + +/* + * set file permission for 'name' to 'perm' + * + * return FAIL for failure, OK otherwise + */ + int +mch_setperm(char_u *name, long perm) +{ + perm &= ~FIBF_ARCHIVE; /* reset archived bit */ + return (SetProtection((UBYTE *)name, (long)perm) ? OK : FAIL); +} + +/* + * Set hidden flag for "name". + */ + void +mch_hide(char_u *name) +{ + /* can't hide a file */ +} + +/* + * return FALSE if "name" is not a directory + * return TRUE if "name" is a directory. + * return FALSE for error. + */ + int +mch_isdir(char_u *name) +{ + struct FileInfoBlock *fib; + int retval = FALSE; + + fib = get_fib(name); + if (fib != NULL) + { +#ifdef __amigaos4__ + retval = (FIB_IS_DRAWER(fib)) ? TRUE : FALSE; +#else + retval = ((fib->fib_DirEntryType >= 0) ? TRUE : FALSE); +#endif + free_fib(fib); + } + return retval; +} + +/* + * Create directory "name". + */ + int +mch_mkdir(char_u *name) +{ + BPTR lock; + + lock = CreateDir(name); + if (lock != NULL) + { + UnLock(lock); + return 0; + } + return -1; +} + +/* + * Return 1 if "name" can be executed, 0 if not. + * If "use_path" is FALSE only check if "name" is executable. + * Return -1 if unknown. + */ + int +mch_can_exe(char_u *name, char_u **path, int use_path) +{ + /* TODO */ + return -1; +} + +/* + * Check what "name" is: + * NODE_NORMAL: file or directory (or doesn't exist) + * NODE_WRITABLE: writable device, socket, fifo, etc. + * NODE_OTHER: non-writable things + */ + int +mch_nodetype(char_u *name) +{ + /* TODO */ + return NODE_NORMAL; +} + + void +mch_early_init(void) +{ +} + +/* + * Careful: mch_exit() may be called before mch_init()! + */ + void +mch_exit(int r) +{ + exiting = TRUE; + + if (raw_in) /* put terminal in 'normal' mode */ + { + settmode(TMODE_COOK); + stoptermcap(); + } + out_char('\n'); + if (raw_out) + { + if (term_console) + { + win_resize_off(); /* window resize events de-activated */ + if (size_set) + OUT_STR("\233t\233u"); /* reset window size (CSI t CSI u) */ + } + out_flush(); + } + +#ifdef FEAT_TITLE + mch_restore_title(SAVE_RESTORE_BOTH); /* restore window title */ +#endif + + ml_close_all(TRUE); /* remove all memfiles */ + +#ifdef FEAT_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 its normal, + * wait for a <CR> 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(int tmode) +{ +#if defined(__AROS__) || defined(__amigaos4__) + if (!SetMode(raw_in, tmode == TMODE_RAW ? 1 : 0)) +#else + if (dos_packet(MP(raw_in), (long)ACTION_SCREEN_MODE, + tmode == TMODE_RAW ? -1L : 0L) == 0) +#endif + mch_errmsg(_("cannot change console mode ?!\n")); +} + +/* + * set screen mode, always fails. + */ + int +mch_screenmode(char_u *arg) +{ + emsg(_(e_screenmode)); + return FAIL; +} + +/* + * 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. + */ + +#ifndef PROTO +# include <devices/conunit.h> +#endif + +/* + * try to get the real window size + * return FAIL for failure, OK otherwise + */ + int +mch_get_shellsize(void) +{ + struct ConUnit *conUnit; +#ifndef __amigaos4__ + char id_a[sizeof(struct InfoData) + 3]; +#endif + struct InfoData *id=0; + + if (!term_console) /* not an amiga window */ + goto out; + + /* insure longword alignment */ +#ifdef __amigaos4__ + if (!(id = AllocDosObject(DOS_INFODATA, 0))) + goto out; +#else + id = (struct InfoData *)(((long)id_a + 3L) & ~3L); +#endif + + /* + * 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) + OUT_STR("\233t\233u"); /* CSI t CSI u */ + out_flush(); + +#ifdef __AROS__ + if (!Info(raw_out, id) + || (wb_window = (struct Window *) id->id_VolumeNode) == NULL) +#else + if (dos_packet(MP(raw_out), (long)ACTION_DISK_INFO, ((ULONG) id) >> 2) == 0 + || (wb_window = (struct Window *)id->id_VolumeNode) == NULL) +#endif + { + /* it's not an amiga window, maybe aux device */ + /* terminal type should be set */ + term_console = FALSE; + goto out; + } + if (oldwindowtitle == NULL) + oldwindowtitle = (char_u *)wb_window->Title; + if (id->id_InUse == (BPTR)NULL) + { + mch_errmsg(_("mch_get_shellsize: not a console??\n")); + return FAIL; + } + 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 FAIL; + } + + return OK; +out: +#ifdef __amigaos4__ + FreeDosObject(DOS_INFODATA, id); /* Safe to pass NULL */ +#endif + + return FAIL; +} + +/* + * Try to set the real window size to Rows and Columns. + */ + void +mch_set_shellsize(void) +{ + if (term_console) + { + size_set = TRUE; + out_char(CSI); + out_num((long)Rows); + out_char('t'); + out_char(CSI); + out_num((long)Columns); + out_char('u'); + out_flush(); + } +} + +/* + * Rows and/or Columns has changed. + */ + void +mch_new_shellsize(void) +{ + /* Nothing to do. */ +} + +/* + * out_num - output a (big) number fast + */ + static void +out_num(long n) +{ + OUT_STR_NF(tltoa((unsigned long)n)); +} + +#if !defined(AZTEC_C) && !defined(__AROS__) && !defined(__amigaos4__) +/* + * 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' + */ + +#ifndef PROTO +/* #include <proto/exec.h> */ +/* #include <proto/dos.h> */ +# include <exec/memory.h> +#endif + +/* + * 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( + struct MsgPort *pid, /* process identifier ... (handlers message port) */ + long action, /* packet type ... (what you want handler to do) */ + long arg) /* single argument */ +{ +# ifdef FEAT_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 */ +# ifdef FEAT_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 /* !defined(AZTEC_C) && !defined(__AROS__) */ + +/* + * Call shell. + * Return error number for failure, 0 otherwise + */ + int +mch_call_shell( + char_u *cmd, + int options) /* SHELL_*, see vim.h */ +{ + BPTR mydir; + int x; + int tmode = cur_tmode; +#ifdef AZTEC_C + int use_execute; + char_u *shellcmd = NULL; + char_u *shellarg; +#endif + int retval = 0; + + if (close_win) + { + /* if Vim opened a window: Executing a shell may cause crashes */ + emsg(_("E360: Cannot execute shell with -f option")); + return -1; + } + + if (term_console) + win_resize_off(); /* window resize events de-activated */ + out_flush(); + + if (options & SHELL_COOKED) + settmode(TMODE_COOK); /* set to normal mode */ + mydir = Lock((UBYTE *)"", (long)ACCESS_READ); /* remember current dir */ + +#if !defined(AZTEC_C) /* not tested very much */ + if (cmd == NULL) + { +# ifdef FEAT_ARP + if (dos2) +# endif + x = SystemTags(p_sh, SYS_UserShell, TRUE, TAG_DONE); +# ifdef FEAT_ARP + else + x = Execute(p_sh, raw_in, raw_out); +# endif + } + else + { +# ifdef FEAT_ARP + if (dos2) +# endif + x = SystemTags((char *)cmd, SYS_UserShell, TRUE, TAG_DONE); +# ifdef FEAT_ARP + else + x = Execute((char *)cmd, 0L, raw_out); +# endif + } +# ifdef FEAT_ARP + if ((dos2 && x < 0) || (!dos2 && !x)) +# else + if (x < 0) +# endif + { + msg_puts(_("Cannot execute ")); + if (cmd == NULL) + { + msg_puts(_("shell ")); + msg_outtrans(p_sh); + } + else + msg_outtrans(cmd); + msg_putchar('\n'); + retval = -1; + } +# ifdef FEAT_ARP + else if (!dos2 || x) +# else + else if (x) +# endif + { + if ((x = IoErr()) != 0) + { + if (!(options & SHELL_SILENT)) + { + msg_putchar('\n'); + msg_outnum((long)x); + msg_puts(_(" returned\n")); + } + retval = x; + } + } +#else /* else part is for AZTEC_C */ + if (p_st >= 4 || (p_st >= 2 && !(options & SHELL_FILTER))) + use_execute = 1; + else + use_execute = 0; + if (!use_execute) + { + /* + * separate shell name from argument + */ + shellcmd = vim_strsave(p_sh); + if (shellcmd == NULL) /* out of memory, use Execute */ + use_execute = 1; + else + { + shellarg = skiptowhite(shellcmd); /* find start of arguments */ + if (*shellarg != NUL) + { + *shellarg++ = NUL; + shellarg = skipwhite(shellarg); + } + } + } + if (cmd == NULL) + { + if (use_execute) + { +# ifdef FEAT_ARP + if (dos2) +# endif + x = SystemTags((UBYTE *)p_sh, SYS_UserShell, TRUE, TAG_DONE); +# ifdef FEAT_ARP + else + x = !Execute((UBYTE *)p_sh, raw_in, raw_out); +# endif + } + else + x = fexecl((char *)shellcmd, (char *)shellcmd, (char *)shellarg, NULL); + } + else if (use_execute) + { +# ifdef FEAT_ARP + if (dos2) +# endif + x = SystemTags((UBYTE *)cmd, SYS_UserShell, TRUE, TAG_DONE); +# ifdef FEAT_ARP + else + x = !Execute((UBYTE *)cmd, 0L, raw_out); +# endif + } + else if (p_st & 1) + x = fexecl((char *)shellcmd, (char *)shellcmd, (char *)shellarg, + (char *)cmd, NULL); + else + x = fexecl((char *)shellcmd, (char *)shellcmd, (char *)shellarg, + (char *)p_shcf, (char *)cmd, NULL); +# ifdef FEAT_ARP + if ((dos2 && x < 0) || (!dos2 && x)) +# else + if (x < 0) +# endif + { + msg_puts(_("Cannot execute ")); + if (use_execute) + { + if (cmd == NULL) + msg_outtrans(p_sh); + else + msg_outtrans(cmd); + } + else + { + msg_puts(_("shell ")); + msg_outtrans(shellcmd); + } + msg_putchar('\n'); + retval = -1; + } + else + { + if (use_execute) + { +# ifdef FEAT_ARP + if (!dos2 || x) +# else + if (x) +# endif + x = IoErr(); + } + else + x = wait(); + if (x) + { + if (!(options & SHELL_SILENT) && !emsg_silent) + { + msg_putchar('\n'); + msg_outnum((long)x); + msg_puts(_(" returned\n")); + } + retval = x; + } + } + vim_free(shellcmd); +#endif /* AZTEC_C */ + + if ((mydir = CurrentDir(mydir)) != 0) /* make sure we stay in the same directory */ + UnLock(mydir); + if (tmode == TMODE_RAW) + settmode(TMODE_RAW); /* set to raw mode */ +#ifdef FEAT_TITLE + resettitle(); +#endif + 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 +mch_breakcheck(int force) +{ + 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 its 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 + +#ifdef LATTICE +void __regargs __chkabort(void); + +void __regargs __chkabort(void) +{} + +#else + long +Chk_Abort(void) +{ + return(0L); +} +#endif + +/* + * mch_expandpath() - this code does wild-card pattern matching using the arp + * routines. + * + * "pat" has backslashes before chars that are not to be expanded. + * Returns the number of matches found. + * + * This is based on WildDemo2.c (found in arp1.1 distribution). + * That code's copyright follows: + * Copyright (c) 1987, Scott Ballantyne + * Use and abuse as you please. + */ + +#ifdef __amigaos4__ +# define ANCHOR_BUF_SIZE 1024 +#else +# define ANCHOR_BUF_SIZE (512) +# define ANCHOR_SIZE (sizeof(struct AnchorPath) + ANCHOR_BUF_SIZE) +#endif + + int +mch_expandpath( + garray_T *gap, + char_u *pat, + int flags) /* EW_* flags */ +{ + struct AnchorPath *Anchor; + LONG Result; + char_u *starbuf, *sp, *dp; + int start_len; + int matches; +#ifdef __amigaos4__ + struct TagItem AnchorTags[] = { + {ADO_Strlen, ANCHOR_BUF_SIZE}, + {ADO_Flags, APF_DODOT|APF_DOWILD|APF_MultiAssigns}, + {TAG_DONE, 0L} + }; +#endif + + start_len = gap->ga_len; + + /* Get our AnchorBase */ +#ifdef __amigaos4__ + Anchor = AllocDosObject(DOS_ANCHORPATH, AnchorTags); +#else + Anchor = (struct AnchorPath *)alloc_clear((unsigned)ANCHOR_SIZE); +#endif + if (Anchor == NULL) + return 0; + +#ifndef __amigaos4__ + 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 +#endif + +#ifdef FEAT_ARP + if (dos2) + { +#endif + /* hack to replace '*' by '#?' */ + starbuf = alloc((unsigned)(2 * STRLEN(pat) + 1)); + if (starbuf == NULL) + goto Return; + for (sp = pat, dp = starbuf; *sp; ++sp) + { + if (*sp == '*') + { + *dp++ = '#'; + *dp++ = '?'; + } + else + *dp++ = *sp; + } + *dp = NUL; + Result = MatchFirst((UBYTE *)starbuf, Anchor); + vim_free(starbuf); +#ifdef FEAT_ARP + } + else + Result = FindFirst((char *)pat, Anchor); +#endif + + /* + * Loop to get all matches. + */ + while (Result == 0) + { +#ifdef __amigaos4__ + addfile(gap, (char_u *)Anchor->ap_Buffer, flags); +#else + addfile(gap, (char_u *)Anchor->ap_Buf, flags); +#endif +#ifdef FEAT_ARP + if (dos2) +#endif + Result = MatchNext(Anchor); +#ifdef FEAT_ARP + else + Result = FindNext(Anchor); +#endif + } + matches = gap->ga_len - start_len; + + if (Result == ERROR_BUFFER_OVERFLOW) + emsg(_("ANCHOR_BUF_SIZE too small.")); + else if (matches == 0 && Result != ERROR_OBJECT_NOT_FOUND + && Result != ERROR_DEVICE_NOT_MOUNTED + && Result != ERROR_NO_MORE_ENTRIES) + emsg(_("I/O ERROR")); + + /* + * Sort the files for this pattern. + */ + if (matches) + qsort((void *)(((char_u **)gap->ga_data) + start_len), + (size_t)matches, sizeof(char_u *), sortcmp); + + /* Free the wildcard stuff */ +#ifdef FEAT_ARP + if (dos2) +#endif + MatchEnd(Anchor); +#ifdef FEAT_ARP + else + FreeAnchorChain(Anchor); +#endif + +Return: +#ifdef __amigaos4__ + FreeDosObject(DOS_ANCHORPATH, Anchor); +#else + vim_free(Anchor); +#endif + + return matches; +} + + static int +sortcmp(const void *a, const void *b) +{ + char *s = *(char **)a; + char *t = *(char **)b; + + return pathcmp(s, t, -1); +} + +/* + * Return TRUE if "p" has wildcards that can be expanded by mch_expandpath(). + */ + int +mch_has_exp_wildcard(char_u *p) +{ + for ( ; *p; MB_PTR_ADV(p)) + { + if (*p == '\\' && p[1] != NUL) + ++p; + else if (vim_strchr((char_u *)"*?[(#", *p) != NULL) + return TRUE; + } + return FALSE; +} + + int +mch_has_wildcard(char_u *p) +{ + for ( ; *p; MB_PTR_ADV(p)) + { + if (*p == '\\' && p[1] != NUL) + ++p; + else + if (vim_strchr((char_u *) +# ifdef VIM_BACKTICK + "*?[(#$`" +# else + "*?[(#$" +# endif + , *p) != NULL + || (*p == '~' && p[1] != NUL)) + return TRUE; + } + return FALSE; +} + +/* + * With AmigaDOS 2.0 support for reading local environment variables + * + * Two buffers are allocated: + * - A big one to do the expansion into. It is freed before returning. + * - A small one to hold the return value. It is kept until the next call. + */ + char_u * +mch_getenv(char_u *var) +{ + int len; + UBYTE *buf; /* buffer to expand in */ + char_u *retval; /* return value */ + static char_u *alloced = NULL; /* allocated memory */ + +#ifdef FEAT_ARP + if (!dos2) + retval = (char_u *)getenv((char *)var); + else +#endif + { + VIM_CLEAR(alloced); + retval = NULL; + + buf = alloc(IOSIZE); + if (buf == NULL) + return NULL; + + len = GetVar((UBYTE *)var, buf, (long)(IOSIZE - 1), (long)0); + if (len >= 0) + { + retval = vim_strsave((char_u *)buf); + alloced = retval; + } + + vim_free(buf); + } + + /* if $VIM is not defined, use "vim:" instead */ + if (retval == NULL && STRCMP(var, "VIM") == 0) + retval = (char_u *)"vim:"; + + return retval; +} + +/* + * Amiga version of setenv() with AmigaDOS 2.0 support. + */ +/* ARGSUSED */ + int +mch_setenv(char *var, char *value, int x) +{ +#ifdef FEAT_ARP + if (!dos2) + return setenv(var, value); +#endif + + if (SetVar((UBYTE *)var, (UBYTE *)value, (LONG)-1, (ULONG)GVF_LOCAL_ONLY)) + return 0; /* success */ + return -1; /* failure */ +} |