second attempt at getting '$FOO/b*r/baz' tab-completed right,
plus the beginning of the tilde fix… do not use, this is fucking impossible to get right, but I’d like an archival commit
This commit is contained in:
tg
parent
2ed6e8998c
commit
42ac0dc08e
65
edit.c
65
edit.c
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@ -28,7 +28,7 @@
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#ifndef MKSH_NO_CMDLINE_EDITING
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__RCSID("$MirOS: src/bin/mksh/edit.c,v 1.248 2012/08/24 20:05:11 tg Exp $");
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__RCSID("$MirOS: src/bin/mksh/edit.c,v 1.249 2012/08/24 20:57:44 tg Exp $");
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/*
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* in later versions we might use libtermcap for this, but since external
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@ -61,8 +61,7 @@ static X_chars edchars;
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#define XCF_FULLPATH BIT(2) /* command completion: store full path */
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#define XCF_COMMAND_FILE (XCF_COMMAND | XCF_FILE)
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#define XCF_IS_COMMAND BIT(3) /* return flag: is command */
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#define XCF_IS_SUBST BIT(4) /* return flag: is $FOO substitution */
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#define XCF_IS_NOSPACE BIT(5) /* return flag: do not append a space */
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#define XCF_IS_NOSPACE BIT(4) /* return flag: do not append a space */
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static char editmode;
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static int xx_cols; /* for Emacs mode */
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@ -378,8 +377,9 @@ x_file_glob(int *flagsp, char *toglob, char ***wordsp)
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nwords = DOGLOB | DOTILDE | DOMARKDIRS;
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if (*cp != EOS) {
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/* probably a $FOO expansion */
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nwords = DOKEEPQUOTE;
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*flagsp |= XCF_IS_SUBST | XCF_IS_NOSPACE;
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*flagsp |= XCF_IS_NOSPACE;
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/* this always results in at most one match */
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nwords = DOKEEPQCHAR;
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}
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expand(yylval.cp, &w, nwords);
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XPput(w, NULL);
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@ -601,18 +601,23 @@ x_cf_glob(int *flagsp, const char *buf, int buflen, int pos, int *startp,
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/*
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* If the pathname contains a wildcard (an unquoted '*',
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* '?', or '[') or an extglob, then it is globbed based
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* on that value (i.e., without the appended '*').
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* on that value (i.e., without the appended '*'). Same
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* for parameter substitutions (as in “cat $HOME/.ss↹”)
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* without appending a trailing space (LP: #710539), as
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* well as for “~foo” (but not “~foo/”).
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*/
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for (s = toglob; *s; s++) {
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if (*s == '\\' && s[1])
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s++;
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else if (*s == '?' || *s == '*' || *s == '[' ||
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/* also skip this for variable expansion */
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*s == '$' ||
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/* ?() *() +() @() !() but two already checked */
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(s[1] == '(' /*)*/ &&
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(*s == '+' || *s == '@' || *s == '!'))) {
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/* just expand based on the extglob */
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/*
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* just expand based on the extglob
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* or parameter
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*/
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goto dont_add_glob;
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}
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}
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@ -807,20 +812,24 @@ glob_path(int flags, const char *pat, XPtrV *wp, const char *lpath)
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static int
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x_escape(const char *s, size_t len, int (*putbuf_func)(const char *, size_t))
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{
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char ch;
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size_t add = 0, wlen = len;
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const char *ifs = str_val(local("IFS", 0));
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int rval = 0;
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while (wlen - add > 0)
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if (vstrchr("\"#$&'()*:;<=>?[\\`{|}", s[add]) ||
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vstrchr(ifs, s[add])) {
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while (wlen - add > 0) {
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ch = s[add];
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if (vstrchr("\"#$&'()*:;<=>?[\\`{|}", ch) ||
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ch == QCHAR || vstrchr(ifs, ch)) {
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if (putbuf_func(s, add) != 0) {
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rval = -1;
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break;
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}
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putbuf_func(s[add] == '\n' ? "'" : "\\", 1);
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putbuf_func(ch == '\n' ? "'" : "\\", 1);
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if (ch == QCHAR)
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++add;
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putbuf_func(&s[add], 1);
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if (s[add] == '\n')
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if (ch == '\n')
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putbuf_func("'", 1);
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add++;
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@ -829,6 +838,7 @@ x_escape(const char *s, size_t len, int (*putbuf_func)(const char *, size_t))
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add = 0;
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} else
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++add;
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}
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if (wlen > 0 && rval == 0)
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rval = putbuf_func(s, wlen);
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@ -2748,17 +2758,33 @@ do_complete(
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}
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olen = end - start;
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nlen = x_longest_prefix(nwords, words);
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if (nwords == 1 || (flags & XCF_IS_SUBST)) {
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if (nwords == 1) {
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/*
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* always complete the expansion of parameter and
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* homedir substitution as well as single matches
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* always complete single matches;
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* any expansion of parameter substitution
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* is always at most one result, too
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*/
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completed = true;
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} else {
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char *unescaped;
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/* make a copy of the original string part and... */
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/* make a copy of the original string part */
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strndupx(unescaped, xbuf + start, olen, ATEMP);
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if (*unescaped == '~') {
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/*
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* do some tilde expansion; we know at this
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* point (by means of having nwords > 1) that
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* the string looke like "~foo/bar"
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*/
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char *cp, *dp;
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cp = ucstrchr(unescaped + 1, '/');
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*cp++ = 0;
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if ((dp = tilde(unescaped + 1))) {
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/* got a match */
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}
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}
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/* ... convert it from backslash-escaped via QCHAR-escaped... */
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x_glob_hlp_add_qchar(unescaped);
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/* ... to unescaped, for comparison with the matches */
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@ -2786,10 +2812,7 @@ do_complete(
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xcp = xbuf + start;
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xep -= olen;
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memmove(xcp, xcp + olen, xep - xcp + 1);
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if (flags & XCF_IS_SUBST)
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x_do_ins(words[0], nlen);
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else
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x_escape(words[0], nlen, x_do_ins);
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x_escape(words[0], nlen, x_do_ins);
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}
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x_adjust();
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/*
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9
eval.c
9
eval.c
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@ -23,7 +23,7 @@
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#include "sh.h"
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__RCSID("$MirOS: src/bin/mksh/eval.c,v 1.126 2012/08/24 20:05:13 tg Exp $");
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__RCSID("$MirOS: src/bin/mksh/eval.c,v 1.127 2012/08/24 20:57:45 tg Exp $");
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/*
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* string expansion
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@ -63,7 +63,6 @@ static char *trimsub(char *, char *, int);
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static void glob(char *, XPtrV *, bool);
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static void globit(XString *, char **, char *, XPtrV *, int);
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static const char *maybe_expand_tilde(const char *, XString *, char **, int);
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static char *tilde(char *);
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#ifndef MKSH_NOPWNAM
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static char *homedir(char *);
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#endif
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@ -1012,8 +1011,8 @@ expand(const char *cp, /* input word */
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else {
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/* undo temporary */
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quote &= ~2;
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if (f & DOKEEPQUOTE)
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*dp++ = '\\';
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if (f & DOKEEPQCHAR)
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*dp++ = QCHAR;
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}
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if (make_magic) {
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@ -1642,7 +1641,7 @@ maybe_expand_tilde(const char *p, XString *dsp, char **dpp, int isassign)
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* based on a version by Arnold Robbins
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*/
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static char *
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char *
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tilde(char *cp)
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{
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char *dp = null;
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5
sh.h
5
sh.h
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@ -157,7 +157,7 @@
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#endif
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#ifdef EXTERN
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__RCSID("$MirOS: src/bin/mksh/sh.h,v 1.581 2012/08/24 20:05:13 tg Exp $");
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__RCSID("$MirOS: src/bin/mksh/sh.h,v 1.582 2012/08/24 20:57:46 tg Exp $");
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#endif
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#define MKSH_VERSION "R40 2012/08/17"
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@ -1343,7 +1343,7 @@ struct ioword {
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#define DOTEMP BIT(8) /* dito: in word part of ${..[%#=?]..} */
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#define DOVACHECK BIT(9) /* var assign check (for typeset, set, etc) */
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#define DOMARKDIRS BIT(10) /* force markdirs behaviour */
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#define DOKEEPQUOTE BIT(11) /* internal use by globbing code */
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#define DOKEEPQCHAR BIT(11) /* internal use by globbing code */
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/*
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* The arguments of [[ .. ]] expressions are kept in t->args[] and flags
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@ -1635,6 +1635,7 @@ char *evalonestr(const char *cp, int);
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char *debunk(char *, const char *, size_t);
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void expand(const char *, XPtrV *, int);
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int glob_str(char *, XPtrV *, bool);
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char *tilde(char *);
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/* exec.c */
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int execute(struct op * volatile, volatile int, volatile int * volatile);
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int shcomexec(const char **);
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