• re-implement wcswidth-like behaviour for ${%foo} even in !UTFMODE
• merge the rest of branch tg-wcswidth-behaviour • enhance test cases for wcswidth-like behaviour • switch hash table collision resolution algorithm to Python’s as announced • bump vsn
This commit is contained in:
tg
parent
c413edb34a
commit
6115f5a91c
29
check.t
29
check.t
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@ -1,4 +1,4 @@
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# $MirOS: src/bin/mksh/check.t,v 1.350 2009/12/31 14:05:42 tg Exp $
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# $MirOS: src/bin/mksh/check.t,v 1.351 2010/01/01 17:44:06 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 2009/12/31
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@(#)MIRBSD KSH R39 2010/01/01
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description:
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Check version of shell.
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stdin:
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@ -6709,22 +6709,43 @@ description:
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stdin:
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s=何
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set +U
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print octets: ${#s} ${%s} .
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print octets: ${#s} .
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print 8-bit width: ${%s} .
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set -U
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print characters: ${#s} .
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print columns: ${%s} .
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s=<EFBFBD>
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set +U
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print octets: ${#s} .
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print 8-bit width: ${%s} .
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set -U
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print characters: ${#s} .
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print columns: ${%s} .
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expected-stdout:
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octets: 3 3 .
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octets: 3 .
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8-bit width: -1 .
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characters: 1 .
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columns: 2 .
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octets: 3 .
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8-bit width: 3 .
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characters: 1 .
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columns: 1 .
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---
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name: wcswidth-2
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description:
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Check some corner cases
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stdin:
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print % $% .
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set -U
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x='a b'
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print c ${%x} .
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set +U
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x='a b'
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print d ${%x} .
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expected-stdout:
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% $% .
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c -1 .
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d -1 .
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---
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name: wcswidth-3
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description:
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32
eval.c
32
eval.c
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@ -22,7 +22,7 @@
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#include "sh.h"
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__RCSID("$MirOS: src/bin/mksh/eval.c,v 1.79 2009/12/05 22:24:35 tg Exp $");
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__RCSID("$MirOS: src/bin/mksh/eval.c,v 1.80 2010/01/01 17:44:07 tg Exp $");
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/*
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* string expansion
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@ -941,12 +941,38 @@ varsub(Expand *xp, const char *sp, const char *word,
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} else {
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p = str_val(global(sp));
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zero_ok = p != null;
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c = stype == '#' ? (int)utflen(p) : utf_mbswidth(p);
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if (stype == '#')
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c = utflen(p);
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else {
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/* partial utf_mbswidth reimplementation */
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const char *s = p;
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unsigned int wc;
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size_t len;
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int cw;
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c = 0;
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while (*s) {
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if (!UTFMODE || (len = utf_mbtowc(&wc,
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s)) == (size_t)-1)
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/* not UTFMODE or not UTF-8 */
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wc = (unsigned char)(*s++);
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else
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/* UTFMODE and UTF-8 */
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s += len;
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/* wc == char or wchar at s++ */
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if ((cw = utf_wcwidth(wc)) == -1) {
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/* 646, 8859-1, 10646 C0/C1 */
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c = -1;
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break;
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}
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c += cw;
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}
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}
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}
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if (Flag(FNOUNSET) && c == 0 && !zero_ok)
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errorf("%s: parameter not set", sp);
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*stypep = 0; /* unqualified variable/string substitution */
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xp->str = shf_smprintf("%u", (unsigned int)c);
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xp->str = shf_smprintf("%d", c);
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return (XSUB);
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}
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61
main.c
61
main.c
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@ -33,7 +33,7 @@
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#include <locale.h>
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#endif
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__RCSID("$MirOS: src/bin/mksh/main.c,v 1.157 2009/12/05 17:43:47 tg Exp $");
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__RCSID("$MirOS: src/bin/mksh/main.c,v 1.158 2010/01/01 17:44:08 tg Exp $");
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extern char **environ;
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@ -1277,7 +1277,13 @@ maketemp(Area *ap, Temp_type type, struct temp **tlist)
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return (tp);
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}
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/*
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* We use a similar collision resolution algorithm as Python 2.5.4
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* but with a slightly tweaked implementation written from scratch.
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*/
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#define INIT_TBLS 8 /* initial table size (power of 2) */
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#define PERTURB_SHIFT 5 /* see Python 2.5.4 Objects/dictobject.c */
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static void texpand(struct table *, size_t);
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static int tnamecmp(const void *, const void *);
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@ -1307,8 +1313,8 @@ oaathash_full(register const uint8_t *bp)
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static void
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texpand(struct table *tp, size_t nsize)
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{
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size_t i, osize = tp->size;
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struct tbl *tblp, **p;
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size_t i, j, osize = tp->size, perturb;
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struct tbl *tblp, **pp;
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struct tbl **ntblp, **otblp = tp->tbls;
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ntblp = alloc(nsize * sizeof(struct tbl *), tp->areap);
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@ -1319,14 +1325,22 @@ texpand(struct table *tp, size_t nsize)
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tp->tbls = ntblp;
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if (otblp == NULL)
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return;
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nsize--; /* from here on nsize := mask */
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for (i = 0; i < osize; i++)
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if ((tblp = otblp[i]) != NULL) {
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if ((tblp->flag & DEFINED)) {
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for (p = &ntblp[tblp->ua.hval &
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(tp->size - 1)]; *p != NULL; p--)
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if (p == ntblp) /* wrap */
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p += tp->size;
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*p = tblp;
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/* search for free hash table slot */
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j = (perturb = tblp->ua.hval) & nsize;
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goto find_first_empty_slot;
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find_next_empty_slot:
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j = (j << 2) + j + perturb + 1;
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perturb >>= PERTURB_SHIFT;
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find_first_empty_slot:
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pp = &ntblp[j & nsize];
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if (*pp != NULL)
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goto find_next_empty_slot;
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/* found an empty hash table slot */
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*pp = tblp;
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tp->nfree--;
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} else if (!(tblp->flag & FINUSE)) {
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afree(tblp, tp->areap);
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@ -1345,25 +1359,26 @@ ktinit(struct table *tp, Area *ap, size_t tsize)
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texpand(tp, tsize);
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}
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/* table, name (key) to search for, hash(n) */
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/* table, name (key) to search for, hash(name), rv pointer to tbl ptr */
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static struct tbl *
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ktscan(struct table *tp, const char *n, uint32_t h, struct tbl ***ppp)
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ktscan(struct table *tp, const char *name, uint32_t h, struct tbl ***ppp)
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{
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size_t j, perturb, mask;
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struct tbl **pp, *p;
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/* search for name in hashed table */
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for (pp = &tp->tbls[h & (tp->size - 1)]; (p = *pp) != NULL; pp--) {
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if (p->ua.hval == h && !strcmp(p->name, n) &&
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(p->flag & DEFINED))
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goto found;
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if (pp == tp->tbls)
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/* wrap */
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pp += tp->size;
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}
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/* not found */
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p = NULL;
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found:
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mask = tp->size - 1;
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/* search for hash table slot matching name */
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j = (perturb = h) & mask;
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goto find_first_slot;
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find_next_slot:
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j = (j << 2) + j + perturb + 1;
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perturb >>= PERTURB_SHIFT;
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find_first_slot:
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pp = &tp->tbls[j & mask];
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if ((p = *pp) != NULL && (p->ua.hval != h || !(p->flag & DEFINED) ||
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strcmp(p->name, name)))
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goto find_next_slot;
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/* p == NULL if not found, correct found entry otherwise */
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if (ppp)
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*ppp = pp;
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return (p);
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9
mksh.1
9
mksh.1
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@ -1,4 +1,4 @@
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.\" $MirOS: src/bin/mksh/mksh.1,v 1.202 2009/12/01 19:15:33 tg Exp $
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.\" $MirOS: src/bin/mksh/mksh.1,v 1.203 2010/01/01 17:44:08 tg Exp $
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.\" $OpenBSD: ksh.1,v 1.129 2009/05/28 06:09:06 jmc Exp $
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.\"-
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.\" Copyright © 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
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@ -71,7 +71,7 @@
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.\" with -mandoc, it might implement .Mx itself, but we want to
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.\" use our own definition. And .Dd must come *first*, always.
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.\"
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.Dd $Mdocdate: December 1 2009 $
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.Dd $Mdocdate: January 1 2010 $
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.\"
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.\" Check which macro package we use
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.\"
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@ -1452,7 +1452,10 @@ The number of elements in the array
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The width
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.Pq in screen columns
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of the string value of parameter
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.Ar name .
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.Ar name ,
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or -1 if
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.Pf ${ Ns Ar name Ns }
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contains a control character.
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.Pp
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.It Pf ${! Ns Ar name Ns }
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The name of the variable referred to by
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4
sh.h
4
sh.h
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@ -148,9 +148,9 @@
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#endif
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#ifdef EXTERN
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__RCSID("$MirOS: src/bin/mksh/sh.h,v 1.371 2009/12/31 14:05:44 tg Exp $");
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__RCSID("$MirOS: src/bin/mksh/sh.h,v 1.372 2010/01/01 17:44:10 tg Exp $");
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#endif
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#define MKSH_VERSION "R39 2009/12/31"
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#define MKSH_VERSION "R39 2010/01/01"
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#ifndef MKSH_INCLUDES_ONLY
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