/* 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
*/
/*
* unix.c -- BSD and SYSV code
*
* A lot of this file was written by Juergen Weigert.
*/
#include "vim.h"
#include "globals.h"
#include "param.h"
#include "proto.h"
#include <fcntl.h>
#if !defined(pyr) && !defined(NOT_BOTH_TIME)
# include <time.h> /* on some systems time.h should not be
included together with sys/time.h */
#endif
#ifndef sun /* SunOS4.X has conflicts between */
# include <sys/ioctl.h> /* sys/ioctl.h & termios.h */
#endif
#ifndef M_XENIX
# include <sys/types.h>
#endif
#include <signal.h>
#ifndef USE_SYSTEM /* use fork/exec to start the shell */
# include <sys/wait.h>
# if !defined(SCO) && !defined(_POSIX_VERSION) /* SCO returns pid_t */
extern int fork();
# endif
# if !defined(_POSIX_VERSION) && !defined(USL)
extern int execvp __ARGS((const char *, const char **));
# endif
#endif
#ifdef SYSV_UNIX
# if defined(__sgi) || defined(UTS2) || defined(UTS4) || defined(AUX3)
# include <sys/time.h>
# endif
# if defined(M_XENIX) || defined(SCO)
# include <stropts.h>
# endif
# if defined(M_XENIX) || defined(SCO) || defined(UNICOS) || defined(AIX31)
# include <sys/select.h>
# define bzero(a, b) memset((a), 0, (b))
# else
# if !defined(AUX3)
# include <poll.h>
# endif
# endif
# if defined(SCO) || defined(ISC)
# include <sys/stream.h>
# include <sys/ptem.h>
# endif
# if defined(M_UNIX) && !defined(SCO)
# include <sys/time.h>
# endif /* M_UNIX */
#else /* SYSV_UNIX */
# include <sys/time.h>
#endif /* !SYSV_UNIX */
#if defined(_POSIX_VERSION) || defined(ISC)
# include <termios.h>
#else
# include <sgtty.h>
#endif
#if defined(hpux) && !defined(SIGWINCH) /* hpux 9.01 has it */
# define SIGWINCH SIGWINDOW
#endif
#if (defined(pyr) || defined(NO_FD_ZERO)) && defined(SYSV_UNIX) && defined(FD_ZERO)
# undef FD_ZERO
#endif
#if defined(ESIX) || defined(M_UNIX) || defined(SONY_NEWS_SVR4)
# ifdef SIGWINCH
# undef SIGWINCH
# endif
# ifdef TIOCGWINSZ
# undef TIOCGWINSZ
# endif
#endif
static int Read __ARGS((char *, long));
static int WaitForChar __ARGS((int));
static int RealWaitForChar __ARGS((int));
static void fill_inbuf __ARGS((void));
#ifdef USL
# ifndef __sgi
static void sig_winch __ARGS((int));
# endif
#else
# if defined(SIGWINCH) && !defined(linux) && !defined(__alpha) && !defined(mips) && !defined(_SEQUENT_) && !defined(SCO) && !defined(sun) && !defined(ISC)
static void sig_winch __ARGS((int, int, struct sigcontext *));
# endif
#endif
static int do_resize = FALSE;
/*
* 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
void
mch_write(s, len)
char *s;
int len;
{
write(1, s, 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;
{
int len;
if (time >= 0)
{
if (time < 20) /* don't know if this is necessary */
time = 20;
if (WaitForChar(time) == 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((int)p_ut) == 0)
updatescript(0);
}
for (;;) /* repeat until we got a character */
{
/*
* we want to be interrupted by the winch signal
*/
WaitForChar(-1);
if (do_resize)
{
debug("do_resize!\n");
set_winsize(0, 0, FALSE);
do_resize = FALSE;
continue;
}
len = Read(buf, (long)maxlen);
if (len > 0)
return len;
}
}
#if defined(SYSV_UNIX) && !defined(M_XENIX) && !defined(UNICOS) && !defined(AUX3)
void
vim_delay()
{
poll(0, 0, 500);
}
#else
extern int select __ARGS((int, fd_set *, fd_set *, fd_set *, struct timeval *));
void
vim_delay()
{
struct timeval tv;
tv.tv_sec = 25 / 50;
tv.tv_usec = (25 % 50) * (1000000/50);
select(0, 0, 0, 0, &tv);
}
#endif
static void
#if defined(__alpha) || defined(mips)
sig_winch()
#else
# if defined(_SEQUENT_) || defined(SCO) || defined(ISC)
sig_winch(sig, code)
int sig;
int code;
# else
# if defined(USL)
sig_winch(sig)
int sig;
# else
sig_winch(sig, code, scp)
int sig;
int code;
struct sigcontext *scp;
# endif
# endif
#endif
{
#ifdef SIGWINCH
# if defined(SYSV_UNIX) || defined(linux) || defined(hpux) || defined(USL)
signal(SIGWINCH, (void (*)())sig_winch);
# endif
#endif
do_resize = TRUE;
}
/*
* If the machine has job control, use it to suspend the program,
* otherwise fake it by starting a new shell.
*/
void
mch_suspend()
{
#ifdef JPFEP
fep_freqsave();
#endif
#ifdef SIGTSTP
settmode(0);
kill(0, SIGTSTP); /* send ourselves a STOP signal */
settmode(1);
#else
outstr("new shell started\n");
call_shell(NULL, 0, TRUE);
#endif
}
void
mch_windinit()
{
Columns = 80;
Rows = 24;
flushbuf();
mch_get_winsize();
#if defined(SIGWINCH)
signal(SIGWINCH, (void (*)())sig_winch);
#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 -e option (quickfix mode) we open our own window and disable :sh.
* Otherwise we 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;
{
if (!isatty(0) || !isatty(1))
{
fprintf(stderr, "VIM: no controlling terminal\n");
exit(2);
}
}
/*
* 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;
{
}
void
settitle(str)
char *str;
{
}
void
resettitle()
{
}
/*
* Get name of current directory into buffer 'buf' of length 'len' bytes.
* Return non-zero for success.
*/
int
dirname(buf, len)
char *buf;
int len;
{
#if defined(SYSV_UNIX) || defined(hpux) || defined(linux)
extern int errno;
extern char *sys_errlist[];
if (getcwd(buf,len) == NULL)
{
strcpy(buf, sys_errlist[errno]);
return 0;
}
return 1;
#else
return (getwd(buf) != NULL);
#endif
}
/*
* get absolute filename into buffer 'buf' of length 'len' bytes
*/
int
FullName(fname, buf, len)
char *fname, *buf;
int len;
{
int l;
char olddir[MAXPATHL];
char *p;
int c;
int retval = 1;
if (fname == NULL) /* always fail */
return 0;
*buf = 0;
if (*fname != '/')
{
/*
* If the file name has a path, change to that directory for a moment,
* and then do the getwd() (and get back to where we were).
* This will get the correct path name with "../" things.
*/
if ((p = strrchr(fname, '/')) != NULL)
{
#if defined(SYSV_UNIX) || defined(hpux) || defined(linux)
if (getcwd(olddir, MAXPATHL) == NULL)
#else
if (getwd(olddir) == NULL)
#endif
{
p = NULL; /* can't get current dir: don't chdir */
retval = 0;
}
else
{
c = *p;
*p = NUL;
if (chdir(fname))
retval = 0;
else
fname = p + 1;
*p = c;
}
}
#if defined(SYSV_UNIX) || defined(hpux) || defined(linux)
if (getcwd(buf, len) == NULL)
#else
if (getwd(buf) == NULL)
#endif
{
retval = 0;
*buf = NUL;
}
l = strlen(buf);
if (l && buf[l - 1] != '/')
strcat(buf, "/");
if (p)
chdir(olddir);
}
strcat(buf, fname);
return retval;
}
/*
* get file permissions for 'name'
*/
long
getperm(name)
char *name;
{
struct stat statb;
if (stat(name, &statb))
return -1;
return statb.st_mode;
}
/*
* set file permission for 'name' to 'perm'
*/
int
setperm(name, perm)
char *name;
int perm;
{
#ifdef SCO
return chmod(name, (mode_t)perm);
#else
return chmod(name, perm);
#endif
}
/*
* check if "name" is a directory
*/
#ifndef WNN_ISDIR
int
isdir(name)
char *name;
{
struct stat statb;
if (stat(name, &statb))
return -1;
#ifdef _POSIX_SOURCE
return S_ISDIR(statb.st_mode);
#else
return (statb.st_mode & S_IFMT) == S_IFDIR;
#endif
}
#endif
void
mch_windexit(r)
int r;
{
settmode(0);
stoptermcap();
flushbuf();
stopscript(); /* remove autoscript file */
#ifdef JPFEP
fep_freqsave();
#endif
exit(r);
}
void
mch_settmode(raw)
int raw;
{
#if defined(ECHOE) && defined(ICANON) && !defined(__NeXT__)
/* for "new" tty systems */
# if defined(CONVEX) || defined(_POSIX_VERSION)
static struct termios told;
struct termios tnew;
# else
static struct termio told;
struct termio tnew;
# endif
#ifdef TIOCLGET
static unsigned long tty_local;
#endif
if (raw)
{
#ifdef TIOCLGET
ioctl(0, TIOCLGET, &tty_local);
#endif
#ifdef TCSANOW
tcgetattr(0, &told);
#else
ioctl(0, TCGETA, &told);
#endif
tnew = told;
tnew.c_iflag &= ~(ICRNL | IXON); /* ICRNL enables typing ^V^M */
/* IXON enables typing ^S/^Q */
tnew.c_lflag &= ~(ICANON | ECHO | ISIG | ECHOE
#ifdef IEXTEN
| IEXTEN /* IEXTEN enables typing ^V on SOLARIS */
#endif
);
tnew.c_cc[VMIN] = 1; /* return after 1 char */
tnew.c_cc[VTIME] = 0; /* don't wait */
#ifdef TCSANOW
tcsetattr(0, TCSANOW, &tnew);
#else
ioctl(0, TCSETA, &tnew);
#endif
}
else
{
#ifdef TCSANOW
tcsetattr(0, TCSANOW, &told);
#else
ioctl(0, TCSETA, &told);
#endif
#ifdef TIOCLSET
ioctl(0, TIOCLSET, &tty_local);
#endif
}
#else
# ifndef TIOCSETN
# define TIOCSETN TIOCSETP /* for hpux 9.0 */
# endif
/* for "old" tty systems */
static struct sgttyb ttybold;
struct sgttyb ttybnew;
if (raw)
{
ioctl(0, TIOCGETP, &ttybold);
ttybnew = ttybold;
ttybnew.sg_flags &= ~(CRMOD | ECHO);
ttybnew.sg_flags |= RAW;
ioctl(0, TIOCSETN, &ttybnew);
}
else
ioctl(0, TIOCSETN, &ttybold);
#endif
}
/*
* Try to get the current window size:
* 1. with an ioctl(), most accurate method
* 2. from the environment variables LINES and COLUMNS
* 3. from the termcap
* 4. keep using the old values
*/
int
mch_get_winsize()
{
int old_Rows = Rows;
int old_Columns = Columns;
char *p;
Columns = 0;
Rows = 0;
/*
* 1. try using an ioctl. It is the most accurate method.
*/
# ifdef TIOCGSIZE
{
struct ttysize ts;
if (ioctl(0, TIOCGSIZE, &ts) == 0)
{
Columns = ts.ts_cols;
Rows = ts.ts_lines;
}
}
# else /* TIOCGSIZE */
# ifdef TIOCGWINSZ
{
struct winsize ws;
if (ioctl(0, TIOCGWINSZ, &ws) == 0)
{
Columns = ws.ws_col;
Rows = ws.ws_row;
}
}
# endif /* TIOCGWINSZ */
# endif /* TIOCGSIZE */
/*
* 2. get size from environment
*/
if (Columns == 0 || Rows == 0)
{
if ((p = (char *)getenv("LINES")))
Rows = atoi(p);
if ((p = (char *)getenv("COLUMNS")))
Columns = atoi(p);
}
#ifdef TERMCAP
/*
* 3. try reading the termcap
*/
if (Columns == 0 || Rows == 0)
{
extern void getlinecol();
getlinecol(); /* get "co" and "li" entries from termcap */
}
#endif
/*
* 4. If everything fails, use the old values
*/
if (Columns <= 0 || Rows <= 0)
{
Columns = old_Columns;
Rows = old_Rows;
return 1;
}
debug2("mch_get_winsize: %dx%d\n", (int)Columns, (int)Rows);
Rows_max = Rows; /* remember physical max height */
check_winsize();
script_winsize();
/* if size changed: screenalloc will allocate new screen buffers */
return (0);
}
void
mch_set_winsize()
{
/* should try to set the window size to Rows and Columns */
}
int
call_shell(cmd, dummy, cooked)
char *cmd;
int dummy;
int cooked;
{
#ifdef USE_SYSTEM /* use system() to start the shell: simple but slow */
int x;
char newcmd[1024];
flushbuf();
if (cooked)
settmode(0); /* set to cooked mode */
if (cmd == NULL)
x = system(p_sh);
else
{
sprintf(newcmd, "%s -c \"%s\"", p_sh, cmd);
x = system(newcmd);
}
if (x == 127)
{
emsg("Cannot execute shell sh");
outchar('\n');
}
else if (x)
{
smsg("%d returned", x);
outchar('\n');
}
if (cooked)
settmode(1); /* set to raw mode */
return x;
#else /* USE_SYSTEM */ /* first attempt at not using system() */
char newcmd[1024];
int pid;
int status = -1;
char **argv = NULL;
int argc;
int i;
char *p;
int inquote;
flushbuf();
signal(SIGINT, SIG_IGN); /* we don't want to be killed here */
if (cooked)
settmode(0); /* set to cooked mode */
/*
* 1: find number of arguments
* 2: separate them and built argv[]
*/
strcpy(newcmd, p_sh);
for (i = 0; i < 2; ++i)
{
p = newcmd;
inquote = FALSE;
argc = 0;
for (;;)
{
if (i == 1)
argv[argc] = p;
++argc;
while (*p && (inquote || (*p != ' ' && *p != TAB)))
{
if (*p == '"')
inquote = !inquote;
++p;
}
if (*p == NUL)
break;
if (i == 1)
*p++ = NUL;
skipspace(&p);
}
if (i == 0)
{
argv = (char **)alloc((unsigned)((argc + 3) * sizeof(char *)));
if (argv == NULL) /* out of memory */
goto error;
}
}
if (cmd != NULL)
{
argv[argc++] = "-c";
argv[argc++] = cmd;
}
argv[argc] = NULL;
if ((pid = fork()) == -1) /* maybe we should use vfork() */
emsg("Cannot fork");
else if (pid == 0) /* child */
{
signal(SIGINT, SIG_DFL);
execvp(argv[0], argv);
exit(127); /* exec failed, return failure code */
}
else /* parent */
{
wait(&status);
status = (status >> 8) & 255;
if (status)
{
if (status == 127)
emsg2("Cannot execute shell %s", p_sh);
else
smsg("%d returned", status);
outchar('\n');
}
}
free(argv);
error:
if (cooked)
settmode(1); /* set to raw mode */
signal(SIGINT, SIG_DFL);
return status;
#endif /* USE_SYSTEM */
}
/*
* The input characters are buffered to be able to check for a CTRL-C.
* This should be done with signals, but I don't know how to do that in
* a portable way for a tty in RAW mode.
*/
#define INBUFLEN 50
static char inbuf[INBUFLEN]; /* internal typeahead buffer */
static int inbufcount = 0; /* number of chars in inbuf[] */
static int
Read(buf, maxlen)
char *buf;
long maxlen;
{
if (inbufcount == 0) /* if the buffer is empty, fill it */
fill_inbuf();
if (maxlen > inbufcount)
maxlen = inbufcount;
memmove(buf, inbuf, maxlen);
inbufcount -= maxlen;
if (inbufcount)
memmove(inbuf, inbuf + maxlen, inbufcount);
return (int)maxlen;
}
void
breakcheck()
{
/*
* check for CTRL-C typed by reading all available characters
*/
if (RealWaitForChar(0)) /* if characters available */
fill_inbuf();
}
static void
fill_inbuf()
{
int len;
if (inbufcount >= INBUFLEN) /* buffer full */
return;
len = read(0, inbuf + inbufcount, (long)(INBUFLEN - inbufcount));
if (len <= 0) /* cannot read input??? */
{
fprintf(stderr, "Vim: Error reading input, exiting...\n");
exit(1);
}
while (len-- > 0)
{
/*
* if a CTRL-C was typed, remove it from the buffer and set got_int
*/
if (inbuf[inbufcount] == 3)
{
/* remove everything typed before the CTRL-C */
memmove(inbuf, inbuf + inbufcount, len + 1);
inbufcount = 0;
got_int = TRUE;
}
++inbufcount;
}
}
/*
* Wait "ticks" until a character is available from the keyboard or from inbuf[]
* ticks = -1 will block forever
*/
static int
WaitForChar(ticks)
int ticks;
{
if (inbufcount) /* something in inbuf[] */
return 1;
return RealWaitForChar(ticks);
}
/*
* Wait "ticks" until a character is available from the keyboard
* ticks = -1 will block forever
*/
static int
RealWaitForChar(ticks)
int ticks;
{
#ifndef FD_ZERO
struct pollfd fds;
fds.fd = 0;
fds.events = POLLIN;
return (poll(&fds, 1, ticks));
#else
struct timeval tv;
fd_set fdset;
if (ticks >= 0)
{
tv.tv_sec = ticks / 1000;
tv.tv_usec = (ticks % 1000) * (1000000/1000);
}
FD_ZERO(&fdset);
FD_SET(0, &fdset);
return (select(1, &fdset, NULL, NULL, (ticks >= 0) ? &tv : NULL));
#endif
}
#if !defined(__alpha) && !defined(mips) && !defined(SCO) && !defined(remove) && !defined(CONVEX)
int
remove(buf)
# if defined(linux) || defined(__STDC__) || defined(__NeXT__) || defined(M_UNIX)
const
# endif
char *buf;
{
return unlink(buf);
}
#endif
/*
* ExpandWildCard() - this code does wild-card pattern matching using the shell
*
* Mool: return 0 for success, 1 for error (you may loose some memory) and
* put an error message in *file.
*
* 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
* On Unix we do not check for files only yet
* list_notfound is ignored
*/
extern char *mktemp __ARGS((char *));
#ifndef SEEK_SET
# define SEEK_SET 0
#endif
#ifndef SEEK_END
# define SEEK_END 2
#endif
int
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;
{
char tmpname[TMPNAMELEN];
char *command;
int i;
int dir;
size_t len;
FILE *fd;
char *buffer;
char *p;
int use_glob = FALSE;
*num_file = 0; /* default: no files found */
*file = (char **)"";
/*
* If there are no wildcards, just copy the names to allocated memory.
* Saves a lot of time, because we don't have to start a new shell.
*/
if (!have_wildcard(num_pat, pat))
{
*file = (char **)alloc(num_pat * sizeof(char *));
if (*file == NULL)
{
*file = (char **)"";
return 1;
}
for (i = 0; i < num_pat; i++)
(*file)[i] = strsave(pat[i]);
*num_file = num_pat;
return 0;
}
/*
* get a name for the temp file
*/
strcpy(tmpname, TMPNAME2);
if (*mktemp(tmpname) == NUL)
{
emsg(e_notmp);
return 1;
}
/*
* let the shell expand the patterns and write the result into the temp file
* If we use csh, glob will work better than echo.
*/
if ((len = strlen(p_sh)) >= 3 && strcmp(p_sh + len - 3, "csh") == 0)
use_glob = TRUE;
len = TMPNAMELEN + 10;
for (i = 0; i < num_pat; ++i) /* count the length of the patterns */
len += strlen(pat[i]) + 3;
command = (char *)alloc(len);
if (command == NULL)
return 1;
if (use_glob)
strcpy(command, "glob >"); /* built the shell command */
else
strcpy(command, "echo >"); /* built the shell command */
strcat(command, tmpname);
for (i = 0; i < num_pat; ++i)
{
#ifdef USE_SYSTEM
strcat(command, " \""); /* need extra quotes because we */
strcat(command, pat[i]); /* start the shell twice */
strcat(command, "\"");
#else
strcat(command, " ");
strcat(command, pat[i]);
#endif
}
i = call_shell(command, 0, FALSE); /* execute it */
free(command);
if (i) /* call_shell failed */
{
remove(tmpname);
sleep(1); /* give the user a chance to read error messages */
must_redraw = CLEAR; /* probably messed up screen */
return 1;
}
/*
* read the names from the file into memory
*/
fd = fopen(tmpname, "r");
if (fd == NULL)
{
emsg(e_notopen);
return 1;
}
fseek(fd, 0L, SEEK_END);
len = ftell(fd); /* get size of temp file */
fseek(fd, 0L, SEEK_SET);
buffer = (char *)alloc(len + 1);
if (buffer == NULL)
{
remove(tmpname);
fclose(fd);
return 1;
}
i = fread(buffer, 1, len, fd);
fclose(fd);
remove(tmpname);
if (i != len)
{
emsg(e_notread);
free(buffer);
return 1;
}
if (use_glob) /* file names are separated with NUL */
{
buffer[len] = NUL; /* make sure the buffers ends in NUL */
i = 0;
for (p = buffer; p < buffer + len; ++p)
if (*p == NUL) /* count entry */
++i;
if (len)
++i; /* count last entry */
}
else /* file names are separated with SPACE */
{
buffer[len] = '\n'; /* make sure the buffers ends in NL */
p = buffer;
for (i = 0; *p != '\n'; ++i) /* count number of entries */
{
while (*p != ' ' && *p != '\n') /* skip entry */
++p;
skipspace(&p); /* skip to next entry */
}
}
*num_file = i;
*file = (char **)alloc(sizeof(char *) * i);
if (*file == NULL)
{
free(buffer);
*file = (char **)"";
return 1;
}
p = buffer;
for (i = 0; i < *num_file; ++i)
{
(*file)[i] = p;
if (use_glob)
{
while (*p && p < buffer + len) /* skip entry */
++p;
++p; /* skip NUL */
}
else
{
while (*p != ' ' && *p != '\n') /* skip entry */
++p;
if (*p == '\n') /* last entry */
*p = NUL;
else
{
*p++ = NUL;
skipspace(&p); /* skip to next entry */
}
}
}
for (i = 0; i < *num_file; ++i)
{
dir = (isdir((*file)[i]) > 0);
if (dir < 0) /* if file doesn't exist don't add '/' */
dir = 0;
p = alloc((unsigned)(strlen((*file)[i]) + 1 + dir));
if (p)
{
strcpy(p, (*file)[i]);
if (dir)
strcat(p, "/");
}
(*file)[i] = p;
}
free(buffer);
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;
{
#ifdef __STDC__
return strpbrk(p, "*?[{`~$") != NULL;
#else
for ( ; *p; ++p)
if (strchr("*?[{`~$", *p) != NULL)
return 1;
return 0;
#endif
}
int
have_wildcard(num, file)
int num;
char **file;
{
register int i;
for (i = 0; i < num; i++)
if (has_wildcard(file[i]))
return 1;
return 0;
}
#if defined(M_XENIX) || defined(UTS2)
/*
* Scaled-down version of rename, which is missing in Xenix.
* This version can only move regular files and will fail if the
* destination exists.
*/
int
rename(src, dest)
char *src, *dest;
{
struct stat st;
if (stat(dest, &st) >= 0) /* fail if destination exists */
return -1;
if (link(src, dest) != 0) /* link file to new name */
return -1;
if (unlink(src) == 0) /* delete link to old name */
return 0;
return -1;
}
#endif /* M_XENIX || UTS2 */
syntax highlighted by Code2HTML, v. 0.9.1