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-rw-r--r--dotfiles/system/.zsh/modules/Src/compat.c742
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diff --git a/dotfiles/system/.zsh/modules/Src/compat.c b/dotfiles/system/.zsh/modules/Src/compat.c
deleted file mode 100644
index 7b5c441..0000000
--- a/dotfiles/system/.zsh/modules/Src/compat.c
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@@ -1,742 +0,0 @@
-/*
- * compat.c - compatibility routines for the deprived
- *
- * This file is part of zsh, the Z shell.
- *
- * Copyright (c) 1992-1997 Paul Falstad
- * All rights reserved.
- *
- * Permission is hereby granted, without written agreement and without
- * license or royalty fees, to use, copy, modify, and distribute this
- * software and to distribute modified versions of this software for any
- * purpose, provided that the above copyright notice and the following
- * two paragraphs appear in all copies of this software.
- *
- * In no event shall Paul Falstad or the Zsh Development Group be liable
- * to any party for direct, indirect, special, incidental, or consequential
- * damages arising out of the use of this software and its documentation,
- * even if Paul Falstad and the Zsh Development Group have been advised of
- * the possibility of such damage.
- *
- * Paul Falstad and the Zsh Development Group specifically disclaim any
- * warranties, including, but not limited to, the implied warranties of
- * merchantability and fitness for a particular purpose. The software
- * provided hereunder is on an "as is" basis, and Paul Falstad and the
- * Zsh Development Group have no obligation to provide maintenance,
- * support, updates, enhancements, or modifications.
- *
- */
-
-#include "zsh.mdh"
-#include "compat.pro"
-
-/* Return pointer to first occurence of string t *
- * in string s. Return NULL if not present. */
-
-/**/
-#ifndef HAVE_STRSTR
-
-/**/
-char *
-strstr(const char *s, const char *t)
-{
- const char *p1, *p2;
-
- for (; *s; s++) {
- for (p1 = s, p2 = t; *p2; p1++, p2++)
- if (*p1 != *p2)
- break;
- if (!*p2)
- return (char *)s;
- }
- return NULL;
-}
-
-/**/
-#endif
-
-
-/**/
-#ifndef HAVE_GETHOSTNAME
-
-/**/
-int
-gethostname(char *name, size_t namelen)
-{
- struct utsname uts;
-
- uname(&uts);
- if(strlen(uts.nodename) >= namelen) {
- errno = EINVAL;
- return -1;
- }
- strcpy(name, uts.nodename);
- return 0;
-}
-
-/**/
-#endif
-
-
-/**/
-#ifndef HAVE_GETTIMEOFDAY
-
-/**/
-int
-gettimeofday(struct timeval *tv, struct timezone *tz)
-{
- tv->tv_usec = 0;
- tv->tv_sec = (long)time((time_t) 0);
- return 0;
-}
-
-/**/
-#endif
-
-
-/* Provide clock time with nanoseconds */
-
-/**/
-mod_export int
-zgettime(struct timespec *ts)
-{
- int ret = -1;
-
-#ifdef HAVE_CLOCK_GETTIME
- struct timespec dts;
- if (clock_gettime(CLOCK_REALTIME, &dts) < 0) {
- zwarn("unable to retrieve time: %e", errno);
- ret--;
- } else {
- ret++;
- ts->tv_sec = (time_t) dts.tv_sec;
- ts->tv_nsec = (long) dts.tv_nsec;
- }
-#endif
-
- if (ret) {
- struct timeval dtv;
- struct timezone dtz;
- gettimeofday(&dtv, &dtz);
- ret++;
- ts->tv_sec = (time_t) dtv.tv_sec;
- ts->tv_nsec = (long) dtv.tv_usec * 1000;
- }
-
- return ret;
-}
-
-
-/* compute the difference between two calendar times */
-
-/**/
-#ifndef HAVE_DIFFTIME
-
-/**/
-double
-difftime(time_t t2, time_t t1)
-{
- return ((double)t2 - (double)t1);
-}
-
-/**/
-#endif
-
-
-/**/
-#ifndef HAVE_STRERROR
-extern char *sys_errlist[];
-
-/* Get error message string associated with a particular *
- * error number, and returns a pointer to that string. *
- * This is not a particularly robust version of strerror. */
-
-/**/
-char *
-strerror(int errnum)
-{
- return (sys_errlist[errnum]);
-}
-
-/**/
-#endif
-
-
-#if 0
-/* pathconf(_PC_PATH_MAX) is not currently useful to zsh. The value *
- * returned varies depending on a number of factors, e.g. the amount *
- * of memory available to the operating system at a given time; thus *
- * it can't be used for buffer allocation, or even as an indication *
- * of whether an attempt to use or create a given pathname may fail *
- * at any future time. *
- * *
- * The call is also permitted to fail if the argument path is not an *
- * existing directory, so even to make sense of that one must search *
- * for a valid directory somewhere in the path and adjust. Even if *
- * it succeeds, the return value is relative to the input directory, *
- * and therefore potentially relative to the length of the shortest *
- * path either to that directory or to our working directory. *
- * *
- * Finally, see the note below for glibc; detection of pathconf() is *
- * not by itself an indication that it works reliably. */
-
-/* The documentation for pathconf() says something like: *
- * The limit is returned, if one exists. If the system does *
- * not have a limit for the requested resource, -1 is *
- * returned, and errno is unchanged. If there is an error, *
- * -1 is returned, and errno is set to reflect the nature of *
- * the error. *
- * *
- * System calls are not permitted to set errno to 0; but we must (or *
- * some other flag value) in order to determine that the resource is *
- * unlimited. What use is leaving errno unchanged? Instead, define *
- * a wrapper that resets errno to 0 and returns 0 for "the system *
- * does not have a limit," so that -1 always means a real error. */
-
-/**/
-mod_export long
-zpathmax(char *dir)
-{
-#ifdef HAVE_PATHCONF
- long pathmax;
-
- errno = 0;
- if ((pathmax = pathconf(dir, _PC_PATH_MAX)) >= 0) {
- /* Some versions of glibc pathconf return a hardwired value! */
- return pathmax;
- } else if (errno == EINVAL || errno == ENOENT || errno == ENOTDIR) {
- /* Work backward to find a directory, until we run out of path. */
- char *tail = strrchr(dir, '/');
- while (tail > dir && tail[-1] == '/')
- --tail;
- if (tail > dir) {
- *tail = 0;
- pathmax = zpathmax(dir);
- *tail = '/';
- } else {
- errno = 0;
- if (tail)
- pathmax = pathconf("/", _PC_PATH_MAX);
- else
- pathmax = pathconf(".", _PC_PATH_MAX);
- }
- if (pathmax > 0) {
- long taillen = (tail ? strlen(tail) : (strlen(dir) + 1));
- if (taillen < pathmax)
- return pathmax - taillen;
- else
- errno = ENAMETOOLONG;
- }
- }
- if (errno)
- return -1;
- else
- return 0; /* pathmax should be considered unlimited */
-#else
- long dirlen = strlen(dir);
-
- /* The following is wrong if dir is not an absolute path. */
- return ((long) ((dirlen >= PATH_MAX) ?
- ((errno = ENAMETOOLONG), -1) :
- ((errno = 0), PATH_MAX - dirlen)));
-#endif
-}
-#endif /* 0 */
-
-/**/
-#ifdef HAVE_SYSCONF
-/*
- * This is replaced by a macro from system.h if not HAVE_SYSCONF.
- * 0 is returned by sysconf if _SC_OPEN_MAX is unavailable;
- * -1 is returned on error
- *
- * Neither of these should happen, but resort to OPEN_MAX rather
- * than return 0 or -1 just in case.
- *
- * We'll limit the open maximum to ZSH_INITIAL_OPEN_MAX to
- * avoid probing ridiculous numbers of file descriptors.
- */
-
-/**/
-mod_export long
-zopenmax(void)
-{
- long openmax;
-
- if ((openmax = sysconf(_SC_OPEN_MAX)) < 1) {
- openmax = OPEN_MAX;
- } else if (openmax > OPEN_MAX) {
- /* On some systems, "limit descriptors unlimited" or the *
- * equivalent will set openmax to a huge number. Unless *
- * there actually is a file descriptor > OPEN_MAX already *
- * open, nothing in zsh requires the true maximum, and in *
- * fact it causes inefficiency elsewhere if we report it. *
- * So, report the maximum of OPEN_MAX or the largest open *
- * descriptor (is there a better way to find that?). */
- long i, j = OPEN_MAX;
- if (openmax > ZSH_INITIAL_OPEN_MAX)
- openmax = ZSH_INITIAL_OPEN_MAX;
- for (i = j; i < openmax; i += (errno != EINTR)) {
- errno = 0;
- if (fcntl(i, F_GETFL, 0) < 0 &&
- (errno == EBADF || errno == EINTR))
- continue;
- j = i;
- }
- openmax = j;
- }
-
- return (max_zsh_fd > openmax) ? max_zsh_fd : openmax;
-}
-
-/**/
-#endif
-
-/*
- * Rationalise the current directory, returning the string.
- *
- * If "d" is not NULL, it is used to store information about the
- * directory. The returned name is also present in d->dirname and is in
- * permanently allocated memory. The handling of this case depends on
- * whether the fchdir() system call is available; if it is, it is assumed
- * the caller is able to restore the current directory. On successfully
- * identifying the directory the function returns immediately rather
- * than ascending the hierarchy.
- *
- * If "d" is NULL, no assumption about the caller's behaviour is
- * made. The returned string is in heap memory. This case is
- * always handled by changing directory up the hierarchy.
- *
- * On Cygwin or other systems where USE_GETCWD is defined (at the
- * time of writing only QNX), we skip all the above and use the
- * getcwd() system call.
- */
-
-/**/
-mod_export char *
-zgetdir(struct dirsav *d)
-{
- char nbuf[PATH_MAX+3];
- char *buf;
- int bufsiz, pos;
- struct stat sbuf;
- ino_t pino;
- dev_t pdev;
-#if !defined(__CYGWIN__) && !defined(USE_GETCWD)
- struct dirent *de;
- DIR *dir;
- dev_t dev;
- ino_t ino;
- int len;
-#endif
-
- buf = zhalloc(bufsiz = PATH_MAX+1);
- pos = bufsiz - 1;
- buf[pos] = '\0';
- strcpy(nbuf, "../");
- if (stat(".", &sbuf) < 0) {
- return NULL;
- }
-
- /* Record the initial inode and device */
- pino = sbuf.st_ino;
- pdev = sbuf.st_dev;
- if (d)
- d->ino = pino, d->dev = pdev;
-#if !defined(__CYGWIN__) && !defined(USE_GETCWD)
-#ifdef HAVE_FCHDIR
- else
-#endif
- holdintr();
-
- for (;;) {
- /* Examine the parent of the current directory. */
- if (stat("..", &sbuf) < 0)
- break;
-
- /* Inode and device of curtent directory */
- ino = pino;
- dev = pdev;
- /* Inode and device of current directory's parent */
- pino = sbuf.st_ino;
- pdev = sbuf.st_dev;
-
- /* If they're the same, we've reached the root directory. */
- if (ino == pino && dev == pdev) {
- if (!buf[pos])
- buf[--pos] = '/';
- if (d) {
-#ifndef HAVE_FCHDIR
- zchdir(buf + pos);
- noholdintr();
-#endif
- return d->dirname = ztrdup(buf + pos);
- }
- zchdir(buf + pos);
- noholdintr();
- return buf + pos;
- }
-
- /* Search the parent for the current directory. */
- if (!(dir = opendir("..")))
- break;
-
- while ((de = readdir(dir))) {
- char *fn = de->d_name;
- /* Ignore `.' and `..'. */
- if (fn[0] == '.' &&
- (fn[1] == '\0' ||
- (fn[1] == '.' && fn[2] == '\0')))
- continue;
-#ifdef HAVE_STRUCT_DIRENT_D_STAT
- if(de->d_stat.st_dev == dev && de->d_stat.st_ino == ino) {
- /* Found the directory we're currently in */
- strncpy(nbuf + 3, fn, PATH_MAX);
- break;
- }
-#else /* !HAVE_STRUCT_DIRENT_D_STAT */
-# ifdef HAVE_STRUCT_DIRENT_D_INO
- if (dev != pdev || (ino_t) de->d_ino == ino)
-# endif /* HAVE_STRUCT_DIRENT_D_INO */
- {
- /* Maybe found directory, need to check device & inode */
- strncpy(nbuf + 3, fn, PATH_MAX);
- lstat(nbuf, &sbuf);
- if (sbuf.st_dev == dev && sbuf.st_ino == ino)
- break;
- }
-#endif /* !HAVE_STRUCT_DIRENT_D_STAT */
- }
- closedir(dir);
- if (!de)
- break; /* Not found */
- /*
- * We get the "/" free just by copying from nbuf+2 instead
- * of nbuf+3, which is where we copied the path component.
- * This means buf[pos] is always a "/".
- */
- len = strlen(nbuf + 2);
- pos -= len;
- while (pos <= 1) {
- char *newbuf = zhalloc(2*bufsiz);
- memcpy(newbuf + bufsiz, buf, bufsiz);
- buf = newbuf;
- pos += bufsiz;
- bufsiz *= 2;
- }
- memcpy(buf + pos, nbuf + 2, len);
-#ifdef HAVE_FCHDIR
- if (d)
- return d->dirname = ztrdup(buf + pos + 1);
-#endif
- if (chdir(".."))
- break;
- }
-
- /*
- * Fix up the directory, if necessary.
- * We're changing back down the hierarchy, ignore the
- * "/" at buf[pos].
- */
- if (d) {
-#ifndef HAVE_FCHDIR
- if (buf[pos])
- zchdir(buf + pos + 1);
- noholdintr();
-#endif
- return NULL;
- }
-
- if (buf[pos])
- zchdir(buf + pos + 1);
- noholdintr();
-
-#else /* __CYGWIN__, USE_GETCWD cases */
-
- if (!getcwd(buf, bufsiz)) {
- if (d) {
- return NULL;
- }
- } else {
- if (d) {
- return d->dirname = ztrdup(buf);
- }
- return buf;
- }
-#endif
-
- /*
- * Something bad happened.
- * This has been seen when inside a special directory,
- * such as the Netapp .snapshot directory, that doesn't
- * appear as a directory entry in the parent directory.
- * We'll just need our best guess.
- *
- * We only get here from zgetcwd(); let that fall back to pwd.
- */
-
- return NULL;
-}
-
-/*
- * Try to find the current directory.
- * If we couldn't work it out internally, fall back to getcwd().
- * If it fails, fall back to pwd; if zgetcwd() is being used
- * to set pwd, pwd should be NULL and we just return ".".
- */
-
-/**/
-char *
-zgetcwd(void)
-{
- char *ret = zgetdir(NULL);
-#ifdef HAVE_GETCWD
- if (!ret) {
-#ifdef GETCWD_CALLS_MALLOC
- char *cwd = getcwd(NULL, 0);
- if (cwd) {
- ret = dupstring(cwd);
- free(cwd);
- }
-#else
- char *cwdbuf = zalloc(PATH_MAX+1);
- ret = getcwd(cwdbuf, PATH_MAX);
- if (ret)
- ret = dupstring(ret);
- zfree(cwdbuf, PATH_MAX+1);
-#endif /* GETCWD_CALLS_MALLOC */
- }
-#endif /* HAVE_GETCWD */
- if (!ret)
- ret = unmeta(pwd);
- if (!ret)
- ret = dupstring(".");
- return ret;
-}
-
-/*
- * chdir with arbitrary long pathname. Returns 0 on success, -1 on normal *
- * failure and -2 when chdir failed and the current directory is lost.
- *
- * This is to be treated as if at system level, so dir is unmetafied but
- * terminated by a NULL.
- */
-
-/**/
-mod_export int
-zchdir(char *dir)
-{
- char *s;
- int currdir = -2;
-
- for (;;) {
- if (!*dir || chdir(dir) == 0) {
-#ifdef HAVE_FCHDIR
- if (currdir >= 0)
- close(currdir);
-#endif
- return 0;
- }
- if ((errno != ENAMETOOLONG && errno != ENOMEM) ||
- strlen(dir) < PATH_MAX)
- break;
- for (s = dir + PATH_MAX - 1; s > dir && *s != '/'; s--)
- ;
- if (s == dir)
- break;
-#ifdef HAVE_FCHDIR
- if (currdir == -2)
- currdir = open(".", O_RDONLY|O_NOCTTY);
-#endif
- *s = '\0';
- if (chdir(dir) < 0) {
- *s = '/';
- break;
- }
-#ifndef HAVE_FCHDIR
- currdir = -1;
-#endif
- *s = '/';
- while (*++s == '/')
- ;
- dir = s;
- }
-#ifdef HAVE_FCHDIR
- if (currdir >= 0) {
- if (fchdir(currdir) < 0) {
- close(currdir);
- return -2;
- }
- close(currdir);
- return -1;
- }
-#endif
- return currdir == -2 ? -1 : -2;
-}
-
-/*
- * How to print out a 64 bit integer. This isn't needed (1) if longs
- * are 64 bit, since ordinary %ld will work (2) if we couldn't find a
- * 64 bit type anyway.
- */
-/**/
-#ifdef ZSH_64_BIT_TYPE
-/**/
-mod_export char *
-output64(zlong val)
-{
- static char llbuf[DIGBUFSIZE];
- convbase(llbuf, val, 0);
- return llbuf;
-}
-/**/
-#endif /* ZSH_64_BIT_TYPE */
-
-/**/
-#ifndef HAVE_STRTOUL
-
-/*
- * Copyright (c) 1990, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-/*
- * Convert a string to an unsigned long integer.
- *
- * Ignores `locale' stuff. Assumes that the upper and lower case
- * alphabets and digits are each contiguous.
- */
-
-/**/
-unsigned long
-strtoul(nptr, endptr, base)
- const char *nptr;
- char **endptr;
- int base;
-{
- const char *s;
- unsigned long acc, cutoff;
- int c;
- int neg, any, cutlim;
-
- /* endptr may be NULL */
-
- s = nptr;
- do {
- c = (unsigned char) *s++;
- } while (isspace(c));
- if (c == '-') {
- neg = 1;
- c = *s++;
- } else {
- neg = 0;
- if (c == '+')
- c = *s++;
- }
- if ((base == 0 || base == 16) &&
- c == '0' && (*s == 'x' || *s == 'X')) {
- c = s[1];
- s += 2;
- base = 16;
- }
- if (base == 0)
- base = c == '0' ? 8 : 10;
-
- cutoff = ULONG_MAX / (unsigned long)base;
- cutlim = (int)(ULONG_MAX % (unsigned long)base);
- for (acc = 0, any = 0;; c = (unsigned char) *s++) {
- if (isdigit(c))
- c -= '0';
- else if (isalpha(c)) {
- c -= isupper(c) ? 'A' - 10 : 'a' - 10;
- } else
- break;
- if (c >= base)
- break;
- if (any < 0)
- continue;
- if (acc > cutoff || (acc == cutoff && c > cutlim)) {
- any = -1;
- acc = ULONG_MAX;
- errno = ERANGE;
- } else {
- any = 1;
- acc *= (unsigned long)base;
- acc += c;
- }
- }
- if (neg && any > 0)
- acc = -acc;
- if (endptr != NULL)
- *endptr = any ? s - 1 : nptr;
- return (acc);
-}
-
-/**/
-#endif /* HAVE_STRTOUL */
-
-/**/
-#ifdef ENABLE_UNICODE9
-#include "./wcwidth9.h"
-
-/**/
-int
-u9_wcwidth(wchar_t ucs)
-{
- int w = wcwidth9(ucs);
- if (w < -1)
- return 1;
- return w;
-}
-
-/**/
-int
-u9_iswprint(wint_t ucs)
-{
- if (ucs == 0)
- return 0;
- return wcwidth9(ucs) != -1;
-}
-
-/**/
-#endif /* ENABLE_UNICODE9 */
-
-/**/
-#if defined(__APPLE__) && defined(BROKEN_ISPRINT)
-
-/**/
-int
-isprint_ascii(int c)
-{
- if (!strcmp(nl_langinfo(CODESET), "UTF-8"))
- return (c >= 0x20 && c <= 0x7e);
- else
- return isprint(c);
-}
-
-/**/
-#endif /* __APPLE__ && BROKEN_ISPRINT */
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