${foo@x} is now special-expansion for values of x, defined for now:
‘#’ = hash of $foo
This commit is contained in:
parent
846fbde3b8
commit
da9d0f3d97
14
check.t
14
check.t
@ -1,4 +1,4 @@
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# $MirOS: src/bin/mksh/check.t,v 1.399 2011/01/21 22:00:17 tg Exp $
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# $MirOS: src/bin/mksh/check.t,v 1.400 2011/01/21 22:25:31 tg Exp $
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# $OpenBSD: bksl-nl.t,v 1.2 2001/01/28 23:04:56 niklas Exp $
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# $OpenBSD: history.t,v 1.5 2001/01/28 23:04:56 niklas Exp $
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# $OpenBSD: read.t,v 1.3 2003/03/10 03:48:16 david Exp $
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@ -25,7 +25,7 @@
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# http://www.research.att.com/~gsf/public/ifs.sh
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expected-stdout:
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@(#)MIRBSD KSH R39 2011/01/08
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@(#)MIRBSD KSH R39 2011/01/21
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description:
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Check version of shell.
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stdin:
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@ -5941,6 +5941,16 @@ expected-stdout:
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c we
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d we
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---
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name: varexpand-special-hash
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description:
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Check special ${var@x} expansion for x=hash
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stdin:
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typeset -i8 foo=10
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bar=baz
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print ${bar@#} ${baz@#} .
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expected-stdout:
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57F1BA9A 04808901 .
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---
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name: varexpand-null-1
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description:
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Ensure empty strings expand emptily
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229
eval.c
229
eval.c
@ -1,7 +1,7 @@
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/* $OpenBSD: eval.c,v 1.35 2010/03/24 08:27:26 fgsch Exp $ */
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/*-
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* Copyright (c) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
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* Copyright (c) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
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* Thorsten Glaser <tg@mirbsd.org>
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*
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* Provided that these terms and disclaimer and all copyright notices
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@ -22,7 +22,7 @@
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#include "sh.h"
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__RCSID("$MirOS: src/bin/mksh/eval.c,v 1.93 2010/09/14 21:26:10 tg Exp $");
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__RCSID("$MirOS: src/bin/mksh/eval.c,v 1.94 2011/01/21 22:25:32 tg Exp $");
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/*
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* string expansion
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@ -129,7 +129,8 @@ eval(const char **ap, int f)
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return (vap.rw);
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}
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XPinit(w, 32);
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XPput(w, NULL); /* space for shell name */
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/* space for shell name */
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XPput(w, NULL);
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while (*ap != NULL)
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expand(*ap++, &w, f);
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XPput(w, NULL);
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@ -205,11 +206,13 @@ expand(const char *cp, /* input word */
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const char *sp; /* source */
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int fdo, word; /* second pass flags; have word */
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int doblank; /* field splitting of parameter/command subst */
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Expand x = { /* expansion variables */
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Expand x = {
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/* expansion variables */
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NULL, { NULL }, NULL, 0
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};
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SubType st_head, *st;
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int newlines = 0; /* For trailing newlines in COMSUB */
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/* For trailing newlines in COMSUB */
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int newlines = 0;
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int saw_eq, tilde_ok;
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int make_magic;
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size_t len;
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@ -228,12 +231,14 @@ expand(const char *cp, /* input word */
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if (Flag(FBRACEEXPAND) && (f & DOGLOB))
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f |= DOBRACE_;
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Xinit(ds, dp, 128, ATEMP); /* init dest. string */
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/* init destination string */
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Xinit(ds, dp, 128, ATEMP);
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type = XBASE;
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sp = cp;
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fdo = 0;
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saw_eq = 0;
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tilde_ok = (f & (DOTILDE|DOASNTILDE)) ? 1 : 0; /* must be 1/0 */
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/* must be 1/0 */
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tilde_ok = (f & (DOTILDE|DOASNTILDE)) ? 1 : 0;
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doblank = 0;
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make_magic = 0;
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word = (f&DOBLANK) ? IFS_WS : IFS_WORD;
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@ -245,7 +250,8 @@ expand(const char *cp, /* input word */
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Xcheck(ds, dp);
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switch (type) {
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case XBASE: /* original prefixed string */
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case XBASE:
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/* original prefixed string */
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c = *sp++;
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switch (c) {
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case EOS:
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@ -255,7 +261,8 @@ expand(const char *cp, /* input word */
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c = *sp++;
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break;
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case QCHAR:
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quote |= 2; /* temporary quote */
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/* temporary quote */
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quote |= 2;
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c = *sp++;
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break;
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case OQUOTE:
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@ -299,7 +306,8 @@ expand(const char *cp, /* input word */
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char *p;
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v.flag = DEFINED|ISSET|INTEGER;
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v.type = 10; /* not default */
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/* not default */
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v.type = 10;
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v.name[0] = '\0';
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v_evaluate(&v, substitute(sp, 0),
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KSH_UNWIND_ERROR, true);
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@ -310,23 +318,27 @@ expand(const char *cp, /* input word */
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}
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}
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continue;
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case OSUBST: { /* ${{#}var{:}[=+-?#%]word} */
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/* format is:
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case OSUBST: {
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/* ${{#}var{:}[=+-?#%]word} */
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/*-
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* format is:
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* OSUBST [{x] plain-variable-part \0
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* compiled-word-part CSUBST [}x]
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* This is where all syntax checking gets done...
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*/
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const char *varname = ++sp; /* skip the { or x (}) */
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/* skip the { or x (}) */
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const char *varname = ++sp;
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int stype;
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int slen = 0;
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sp = cstrchr(sp, '\0') + 1; /* skip variable */
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/* skip variable */
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sp = cstrchr(sp, '\0') + 1;
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type = varsub(&x, varname, sp, &stype, &slen);
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if (type < 0) {
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char *beg, *end, *str;
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unwind_substsyn:
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sp = varname - 2; /* restore sp */
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/* restore sp */
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sp = varname - 2;
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end = (beg = wdcopy(sp, ATEMP)) +
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(wdscan(sp, CSUBST) - sp);
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/* ({) the } or x is already skipped */
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@ -339,7 +351,8 @@ expand(const char *cp, /* input word */
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if (f & DOBLANK)
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doblank++;
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tilde_ok = 0;
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if (type == XBASE) { /* expand? */
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if (type == XBASE) {
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/* expand? */
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if (!st->next) {
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SubType *newst;
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@ -357,7 +370,11 @@ expand(const char *cp, /* input word */
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/* skip qualifier(s) */
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if (stype)
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sp += slen;
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switch (stype & 0x7f) {
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switch (stype & 0x17F) {
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case 0x100 | '#':
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x.str = shf_smprintf("%08X",
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hash(str_val(st->var)));
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break;
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case '0': {
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char *beg, *mid, *end, *stg;
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mksh_ari_t from = 0, num = -1, flen, finc = 0;
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@ -469,7 +486,8 @@ expand(const char *cp, /* input word */
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tpat2 = tpat1 + 2;
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}
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again_repl:
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/* this would not be necessary if gmatchx would return
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/*
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* this would not be necessary if gmatchx would return
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* the start and end values of a match found, like re*
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*/
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if (!gmatchx(sbeg, tpat1, false))
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@ -519,7 +537,8 @@ expand(const char *cp, /* input word */
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f = DOPAT | (f&DONTRUNCOMMAND) |
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DOTEMP_;
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st->quotew = quote = 0;
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/* Prepend open pattern (so |
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/*
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* Prepend open pattern (so |
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* in a trim will work as
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* expected)
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*/
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@ -527,7 +546,8 @@ expand(const char *cp, /* input word */
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*dp++ = (char)('@' | 0x80);
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break;
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case '=':
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/* Enabling tilde expansion
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/*
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* Enabling tilde expansion
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* after :s here is
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* non-standard ksh, but is
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* consistent with rules for
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@ -543,7 +563,8 @@ expand(const char *cp, /* input word */
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if (!(x.var->flag & INTEGER))
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f |= DOASNTILDE|DOTILDE;
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f |= DOTEMP_;
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/* These will be done after the
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/*
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* These will be done after the
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* value has been assigned.
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*/
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f &= ~(DOBLANK|DOGLOB|DOBRACE_);
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@ -563,22 +584,26 @@ expand(const char *cp, /* input word */
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sp += wdscan(sp, CSUBST) - sp;
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continue;
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}
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case CSUBST: /* only get here if expanding word */
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case CSUBST:
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/* only get here if expanding word */
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do_CSUBST:
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sp++; /* ({) skip the } or x */
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tilde_ok = 0; /* in case of ${unset:-} */
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/* ({) skip the } or x */
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sp++;
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/* in case of ${unset:-} */
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tilde_ok = 0;
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*dp = '\0';
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quote = st->quotep;
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f = st->f;
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if (f&DOBLANK)
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doblank--;
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switch (st->stype&0x7f) {
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switch (st->stype & 0x17F) {
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case '#':
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case '%':
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/* Append end-pattern */
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*dp++ = MAGIC; *dp++ = ')'; *dp = '\0';
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dp = Xrestpos(ds, dp, st->base);
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/* Must use st->var since calling
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/*
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* Must use st->var since calling
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* global would break things
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* like x[i+=1].
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*/
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@ -593,20 +618,24 @@ expand(const char *cp, /* input word */
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st = st->prev;
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continue;
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case '=':
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/* Restore our position and substitute
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/*
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* Restore our position and substitute
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* the value of st->var (may not be
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* the assigned value in the presence
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* of integer/right-adj/etc attributes).
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*/
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dp = Xrestpos(ds, dp, st->base);
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/* Must use st->var since calling
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/*
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* Must use st->var since calling
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* global would cause with things
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* like x[i+=1] to be evaluated twice.
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*/
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/* Note: not exported by FEXPORT
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/*
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* Note: not exported by FEXPORT
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* in AT&T ksh.
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*/
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/* XXX POSIX says readonly is only
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/*
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* XXX POSIX says readonly is only
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* fatal for special builtins (setstr
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* does readonly check).
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*/
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@ -630,6 +659,7 @@ expand(const char *cp, /* input word */
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}
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case '0':
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case '/':
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case 0x100 | '#':
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dp = Xrestpos(ds, dp, st->base);
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type = XSUB;
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if (f&DOBLANK)
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@ -641,18 +671,21 @@ expand(const char *cp, /* input word */
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type = XBASE;
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continue;
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case OPAT: /* open pattern: *(foo|bar) */
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case OPAT:
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/* open pattern: *(foo|bar) */
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/* Next char is the type of pattern */
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make_magic = 1;
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c = *sp++ + 0x80;
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break;
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case SPAT: /* pattern separator (|) */
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case SPAT:
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/* pattern separator (|) */
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make_magic = 1;
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c = '|';
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break;
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case CPAT: /* close pattern */
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case CPAT:
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/* close pattern */
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make_magic = 1;
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c = /*(*/ ')';
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break;
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@ -660,14 +693,16 @@ expand(const char *cp, /* input word */
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break;
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case XNULLSUB:
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/* Special case for "$@" (and "${foo[@]}") - no
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/*
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* Special case for "$@" (and "${foo[@]}") - no
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* word is generated if $# is 0 (unless there is
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* other stuff inside the quotes).
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*/
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type = XBASE;
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if (f&DOBLANK) {
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doblank--;
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/* not really correct: x=; "$x$@" should
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/*
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* not really correct: x=; "$x$@" should
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* generate a null argument and
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* set A; "${@:+}" shouldn't.
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*/
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@ -691,7 +726,8 @@ expand(const char *cp, /* input word */
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quote = 1;
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case XARG:
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if ((c = *x.str++) == '\0') {
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/* force null words to be created so
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/*
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* force null words to be created so
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* set -- '' 2 ''; foo "$@" will do
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* the right thing
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*/
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@ -718,7 +754,8 @@ expand(const char *cp, /* input word */
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break;
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case XCOM:
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if (newlines) { /* Spit out saved NLs */
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if (newlines) {
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/* Spit out saved NLs */
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c = '\n';
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--newlines;
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} else {
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@ -748,7 +785,8 @@ expand(const char *cp, /* input word */
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/* check for end of word or IFS separation */
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if (c == 0 || (!quote && (f & DOBLANK) && doblank &&
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!make_magic && ctype(c, C_IFS))) {
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/* How words are broken up:
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/*-
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* How words are broken up:
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* | value of c
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* word | ws nws 0
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* -----------------------------------
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@ -807,7 +845,8 @@ expand(const char *cp, /* input word */
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case NOT:
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case '-':
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case ']':
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/* For character classes - doesn't hurt
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/*
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* For character classes - doesn't hurt
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* to have magic !,-,]s outside of
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* [...] expressions.
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*/
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@ -843,13 +882,15 @@ expand(const char *cp, /* input word */
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tilde_ok = 1;
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}
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break;
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case ':': /* : */
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case ':':
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/* : */
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/* Note unquoted : for ~ */
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if (!(f & DOTEMP_) && (f & DOASNTILDE))
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tilde_ok = 1;
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break;
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case '~':
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/* tilde_ok is reset whenever
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/*
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* tilde_ok is reset whenever
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* any of ' " $( $(( ${ } are seen.
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* Note that tilde_ok must be preserved
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* through the sequence ${A=a=}~
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@ -875,7 +916,8 @@ expand(const char *cp, /* input word */
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break;
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}
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else
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quote &= ~2; /* undo temporary */
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/* undo temporary */
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quote &= ~2;
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if (make_magic) {
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make_magic = 0;
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@ -885,7 +927,8 @@ expand(const char *cp, /* input word */
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fdo |= DOMAGIC_;
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*dp++ = MAGIC;
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}
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*dp++ = c; /* save output char */
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/* save output char */
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*dp++ = c;
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word = IFS_WORD;
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}
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}
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@ -907,7 +950,8 @@ varsub(Expand *xp, const char *sp, const char *word,
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struct tbl *vp;
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bool zero_ok = false;
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if ((stype = sp[0]) == '\0') /* Bad variable name */
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if ((stype = sp[0]) == '\0')
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/* Bad variable name */
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return (-1);
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xp->var = NULL;
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@ -975,7 +1019,8 @@ varsub(Expand *xp, const char *sp, const char *word,
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}
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if (Flag(FNOUNSET) && c == 0 && !zero_ok)
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errorf("%s: %s", sp, "parameter not set");
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*stypep = 0; /* unqualified variable/string substitution */
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/* unqualified variable/string substitution */
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*stypep = 0;
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xp->str = shf_smprintf("%d", c);
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return (XSUB);
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}
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@ -1000,14 +1045,24 @@ varsub(Expand *xp, const char *sp, const char *word,
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} else if (ctype(c, C_SUBOP1)) {
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slen += 2;
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stype |= c;
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} else if (ctype(c, C_SUBOP2)) { /* Note: ksh88 allows :%, :%%, etc */
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} else if (ctype(c, C_SUBOP2)) {
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/* Note: ksh88 allows :%, :%%, etc */
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slen += 2;
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stype = c;
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if (word[slen + 0] == CHAR && c == word[slen + 1]) {
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stype |= 0x80;
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slen += 2;
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}
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} else if (stype) /* : is not ok */
|
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} else if (c == '@') {
|
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/* @x where x is command char */
|
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slen += 2;
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stype |= 0x100;
|
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if (word[slen] == CHAR) {
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stype |= word[slen + 1];
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slen += 2;
|
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}
|
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} else if (stype)
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/* : is not ok */
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return (-1);
|
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if (!stype && *word != CSUBST)
|
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return (-1);
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@ -1016,12 +1071,13 @@ varsub(Expand *xp, const char *sp, const char *word,
|
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c = sp[0];
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if (c == '*' || c == '@') {
|
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switch (stype & 0x7f) {
|
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switch (stype & 0x17F) {
|
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case '=': /* can't assign to a vector */
|
||||
case '%': /* can't trim a vector (yet) */
|
||||
case '#':
|
||||
case '0':
|
||||
case '/':
|
||||
case 0x100 | '#':
|
||||
return (-1);
|
||||
}
|
||||
if (e->loc->argc == 0) {
|
||||
@ -1034,19 +1090,21 @@ varsub(Expand *xp, const char *sp, const char *word,
|
||||
xp->split = c == '@'; /* $@ */
|
||||
state = XARG;
|
||||
}
|
||||
zero_ok = true; /* POSIX 2009? */
|
||||
/* POSIX 2009? */
|
||||
zero_ok = true;
|
||||
} else {
|
||||
if ((p = cstrchr(sp, '[')) && (p[1] == '*' || p[1] == '@') &&
|
||||
p[2] == ']') {
|
||||
XPtrV wv;
|
||||
|
||||
switch (stype & 0x7f) {
|
||||
switch (stype & 0x17F) {
|
||||
case '=': /* can't assign to a vector */
|
||||
case '%': /* can't trim a vector (yet) */
|
||||
case '#':
|
||||
case '?':
|
||||
case '0':
|
||||
case '/':
|
||||
case 0x100 | '#':
|
||||
return (-1);
|
||||
}
|
||||
XPinit(wv, 32);
|
||||
@ -1073,7 +1131,7 @@ varsub(Expand *xp, const char *sp, const char *word,
|
||||
}
|
||||
} else {
|
||||
/* Can't assign things like $! or $1 */
|
||||
if ((stype & 0x7f) == '=' &&
|
||||
if ((stype & 0x17F) == '=' &&
|
||||
ctype(*sp, C_VAR1 | C_DIGIT))
|
||||
return (-1);
|
||||
if (*sp == '!' && sp[1]) {
|
||||
@ -1088,7 +1146,8 @@ varsub(Expand *xp, const char *sp, const char *word,
|
||||
} else if (xp->var->flag & ISSET)
|
||||
xp->str = xp->var->name;
|
||||
else
|
||||
xp->str = "0"; /* ksh93 compat */
|
||||
/* ksh93 compat */
|
||||
xp->str = "0";
|
||||
} else {
|
||||
xp->var = global(sp);
|
||||
xp->str = str_val(xp->var);
|
||||
@ -1097,12 +1156,14 @@ varsub(Expand *xp, const char *sp, const char *word,
|
||||
}
|
||||
}
|
||||
|
||||
c = stype&0x7f;
|
||||
c = stype & 0x7F;
|
||||
/* test the compiler's code generator */
|
||||
if (ctype(c, C_SUBOP2) || stype == (0x80 | '0') || c == '/' ||
|
||||
if (((stype < 0x100) && (ctype(c, C_SUBOP2) || c == '/' ||
|
||||
(((stype&0x80) ? *xp->str=='\0' : xp->str==null) ? /* undef? */
|
||||
c == '=' || c == '-' || c == '?' : c == '+'))
|
||||
state = XBASE; /* expand word instead of variable value */
|
||||
c == '=' || c == '-' || c == '?' : c == '+'))) ||
|
||||
stype == (0x80 | '0') || stype == (0x100 | '#'))
|
||||
/* expand word instead of variable value */
|
||||
state = XBASE;
|
||||
if (Flag(FNOUNSET) && xp->str == null && !zero_ok &&
|
||||
(ctype(c, C_SUBOP2) || (state != XBASE && c != '+')))
|
||||
errorf("%s: %s", sp, "parameter not set");
|
||||
@ -1129,8 +1190,9 @@ comsub(Expand *xp, const char *cp)
|
||||
if (t == NULL)
|
||||
return (XBASE);
|
||||
|
||||
if (t != NULL && t->type == TCOM && /* $(<file) */
|
||||
if (t != NULL && t->type == TCOM &&
|
||||
*t->args == NULL && *t->vars == NULL && t->ioact != NULL) {
|
||||
/* $(<file) */
|
||||
struct ioword *io = *t->ioact;
|
||||
char *name;
|
||||
|
||||
@ -1141,7 +1203,8 @@ comsub(Expand *xp, const char *cp)
|
||||
SHF_MAPHI|SHF_CLEXEC);
|
||||
if (shf == NULL)
|
||||
errorf("%s: %s %s", name, "can't open", "$() input");
|
||||
xp->split = 0; /* no waitlast() */
|
||||
/* no waitlast() */
|
||||
xp->split = 0;
|
||||
} else {
|
||||
int ofd1, pv[2];
|
||||
openpipe(pv);
|
||||
@ -1154,7 +1217,8 @@ comsub(Expand *xp, const char *cp)
|
||||
execute(t, XFORK|XXCOM|XPIPEO, NULL);
|
||||
restfd(1, ofd1);
|
||||
startlast();
|
||||
xp->split = 1; /* waitlast() */
|
||||
/* waitlast() */
|
||||
xp->split = 1;
|
||||
}
|
||||
|
||||
xp->u.shf = shf;
|
||||
@ -1172,7 +1236,8 @@ trimsub(char *str, char *pat, int how)
|
||||
char *p, c;
|
||||
|
||||
switch (how & 0xFF) {
|
||||
case '#': /* shortest at beginning */
|
||||
case '#':
|
||||
/* shortest match at beginning */
|
||||
for (p = str; p <= end; p += utf_ptradj(p)) {
|
||||
c = *p; *p = '\0';
|
||||
if (gmatchx(str, pat, false)) {
|
||||
@ -1182,7 +1247,8 @@ trimsub(char *str, char *pat, int how)
|
||||
*p = c;
|
||||
}
|
||||
break;
|
||||
case '#'|0x80: /* longest match at beginning */
|
||||
case '#'|0x80:
|
||||
/* longest match at beginning */
|
||||
for (p = end; p >= str; p--) {
|
||||
c = *p; *p = '\0';
|
||||
if (gmatchx(str, pat, false)) {
|
||||
@ -1192,7 +1258,8 @@ trimsub(char *str, char *pat, int how)
|
||||
*p = c;
|
||||
}
|
||||
break;
|
||||
case '%': /* shortest match at end */
|
||||
case '%':
|
||||
/* shortest match at end */
|
||||
p = end;
|
||||
while (p >= str) {
|
||||
if (gmatchx(p, pat, false))
|
||||
@ -1207,7 +1274,8 @@ trimsub(char *str, char *pat, int how)
|
||||
--p;
|
||||
}
|
||||
break;
|
||||
case '%'|0x80: /* longest match at end */
|
||||
case '%'|0x80:
|
||||
/* longest match at end */
|
||||
for (p = str; p <= end; p++)
|
||||
if (gmatchx(p, pat, false)) {
|
||||
trimsub_match:
|
||||
@ -1217,7 +1285,8 @@ trimsub(char *str, char *pat, int how)
|
||||
break;
|
||||
}
|
||||
|
||||
return (str); /* no match, return string */
|
||||
/* no match, return string */
|
||||
return (str);
|
||||
}
|
||||
|
||||
/*
|
||||
@ -1243,7 +1312,8 @@ glob(char *cp, XPtrV *wp, int markdirs)
|
||||
#define GF_GLOBBED BIT(1) /* some globbing has been done */
|
||||
#define GF_MARKDIR BIT(2) /* add trailing / to directories */
|
||||
|
||||
/* Apply file globbing to cp and store the matching files in wp. Returns
|
||||
/*
|
||||
* Apply file globbing to cp and store the matching files in wp. Returns
|
||||
* the number of matches found.
|
||||
*/
|
||||
int
|
||||
@ -1275,8 +1345,10 @@ globit(XString *xs, /* dest string */
|
||||
/* This to allow long expansions to be interrupted */
|
||||
intrcheck();
|
||||
|
||||
if (sp == NULL) { /* end of source path */
|
||||
/* We only need to check if the file exists if a pattern
|
||||
if (sp == NULL) {
|
||||
/* end of source path */
|
||||
/*
|
||||
* We only need to check if the file exists if a pattern
|
||||
* is followed by a non-pattern (eg, foo*x/bar; no check
|
||||
* is needed for foo* since the match must exist) or if
|
||||
* any patterns were expanded and the markdirs option is set.
|
||||
@ -1292,7 +1364,8 @@ globit(XString *xs, /* dest string */
|
||||
|
||||
if (lstat(Xstring(*xs, xp), &lstatb) < 0)
|
||||
return;
|
||||
/* special case for systems which strip trailing
|
||||
/*
|
||||
* special case for systems which strip trailing
|
||||
* slashes from regular files (eg, /etc/passwd/).
|
||||
* SunOS 4.1.3 does this...
|
||||
*/
|
||||
@ -1301,7 +1374,8 @@ globit(XString *xs, /* dest string */
|
||||
(!S_ISLNK(lstatb.st_mode) ||
|
||||
stat_check() < 0 || !S_ISDIR(statb.st_mode)))
|
||||
return;
|
||||
/* Possibly tack on a trailing / if there isn't already
|
||||
/*
|
||||
* Possibly tack on a trailing / if there isn't already
|
||||
* one and if the file is a directory or a symlink to a
|
||||
* directory
|
||||
*/
|
||||
@ -1328,7 +1402,8 @@ globit(XString *xs, /* dest string */
|
||||
np = strchr(sp, '/');
|
||||
if (np != NULL) {
|
||||
se = np;
|
||||
odirsep = *np; /* don't assume '/', can be multiple kinds */
|
||||
/* don't assume '/', can be multiple kinds */
|
||||
odirsep = *np;
|
||||
*np++ = '\0';
|
||||
} else {
|
||||
odirsep = '\0'; /* keep gcc quiet */
|
||||
@ -1336,7 +1411,8 @@ globit(XString *xs, /* dest string */
|
||||
}
|
||||
|
||||
|
||||
/* Check if sp needs globbing - done to avoid pattern checks for strings
|
||||
/*
|
||||
* Check if sp needs globbing - done to avoid pattern checks for strings
|
||||
* containing MAGIC characters, open [s without the matching close ],
|
||||
* etc. (otherwise opendir() will be called which may fail because the
|
||||
* directory isn't readable - if no globbing is needed, only execute
|
||||
@ -1365,7 +1441,8 @@ globit(XString *xs, /* dest string */
|
||||
name = d->d_name;
|
||||
if (name[0] == '.' &&
|
||||
(name[1] == 0 || (name[1] == '.' && name[2] == 0)))
|
||||
continue; /* always ignore . and .. */
|
||||
/* always ignore . and .. */
|
||||
continue;
|
||||
if ((*name == '.' && *sp != '.') ||
|
||||
!gmatchx(name, sp, true))
|
||||
continue;
|
||||
@ -1416,7 +1493,8 @@ debunk(char *dp, const char *sp, size_t dlen)
|
||||
return (dp);
|
||||
}
|
||||
|
||||
/* Check if p is an unquoted name, possibly followed by a / or :. If so
|
||||
/*
|
||||
* Check if p is an unquoted name, possibly followed by a / or :. If so
|
||||
* puts the expanded version in *dcp,dp and returns a pointer in p just
|
||||
* past the name, otherwise returns 0.
|
||||
*/
|
||||
@ -1534,7 +1612,8 @@ alt_expand(XPtrV *wp, char *start, char *exp_start, char *end, int fdo)
|
||||
}
|
||||
/* no valid expansions... */
|
||||
if (!p || count != 0) {
|
||||
/* Note that given a{{b,c} we do not expand anything (this is
|
||||
/*
|
||||
* Note that given a{{b,c} we do not expand anything (this is
|
||||
* what AT&T ksh does. This may be changed to do the {b,c}
|
||||
* expansion. }
|
||||
*/
|
||||
|
8
mksh.1
8
mksh.1
@ -1,4 +1,4 @@
|
||||
.\" $MirOS: src/bin/mksh/mksh.1,v 1.246 2011/01/21 22:00:14 tg Exp $
|
||||
.\" $MirOS: src/bin/mksh/mksh.1,v 1.247 2011/01/21 22:25:33 tg Exp $
|
||||
.\" $OpenBSD: ksh.1,v 1.138 2010/09/20 07:41:17 jmc Exp $
|
||||
.\"-
|
||||
.\" Copyright © 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009,
|
||||
@ -1579,6 +1579,12 @@ are evaluated as arithmetic expressions.
|
||||
Currently,
|
||||
.Ar pos
|
||||
must start with a space, opening parenthesis or digit to be recognised.
|
||||
.It Pf ${ Ns Ar name Ns @#}
|
||||
The internal hash of the expansion of
|
||||
.Ar name .
|
||||
At the moment, this is OAAT1 (Bob Jenkins' one-at-a-time hash with
|
||||
an initialisation value of 0x00000100), but this is not set.
|
||||
This is the hash the shell uses internally for its associative arrays.
|
||||
.El
|
||||
.Pp
|
||||
Note that
|
||||
|
4
sh.h
4
sh.h
@ -154,9 +154,9 @@
|
||||
#endif
|
||||
|
||||
#ifdef EXTERN
|
||||
__RCSID("$MirOS: src/bin/mksh/sh.h,v 1.422 2011/01/21 21:04:47 tg Exp $");
|
||||
__RCSID("$MirOS: src/bin/mksh/sh.h,v 1.423 2011/01/21 22:25:34 tg Exp $");
|
||||
#endif
|
||||
#define MKSH_VERSION "R39 2011/01/08"
|
||||
#define MKSH_VERSION "R39 2011/01/21"
|
||||
|
||||
#ifndef MKSH_INCLUDES_ONLY
|
||||
|
||||
|
Loading…
x
Reference in New Issue
Block a user