mirror of
git://git.code.sf.net/p/zsh/code
synced 2025-01-19 11:31:26 +01:00
Wayne: pattern.c unitialised var
Zero-length arrays now possible with $array[1,0]
This commit is contained in:
parent
d5b6d1f40c
commit
7bf294f2b8
10 changed files with 190 additions and 170 deletions
13
ChangeLog
13
ChangeLog
|
@ -1,3 +1,16 @@
|
|||
2000-05-31 Peter Stephenson <pws@cambridgesiliconradio.com>
|
||||
|
||||
* Wayne Davison: 11680: Src/params.c: subscript too small/big
|
||||
error messages.
|
||||
|
||||
* Wayne Davison: 11677, 11681: Src/glob.c, Src/params.c, Src/subst.c,
|
||||
Src/zsh.h, Src/Modules/mapfile.c, Src/Modules/parameter.c,
|
||||
Src/Zle/complete.c: make $array[1,0] return a zero-length array.
|
||||
|
||||
* Wayne Davison: 11676: Src/pattern.c: uninitialised variable.
|
||||
|
||||
* Wayne Davison: 11675: Test/07cond.ztst: apparent race condition.
|
||||
|
||||
2000-05-31 Sven Wischnowsky <wischnow@zsh.org>
|
||||
|
||||
* 11682: Src/Zle/compresult.c: move to last cursor after not
|
||||
|
|
|
@ -86,7 +86,8 @@ createmapfilehash()
|
|||
unsetparam(mapfile_nam);
|
||||
mapfile_pm = NULL;
|
||||
|
||||
if (!(pm = createparam(mapfile_nam, PM_SPECIAL|PM_REMOVABLE|PM_HASHED)))
|
||||
if (!(pm = createparam(mapfile_nam,
|
||||
PM_SPECIAL|PM_HIDE|PM_REMOVABLE|PM_HASHED)))
|
||||
return NULL;
|
||||
|
||||
pm->level = pm->old ? locallevel : 0;
|
||||
|
@ -143,12 +144,16 @@ setpmmapfile(Param pm, char *value)
|
|||
*/
|
||||
ftruncate(fd, len);
|
||||
memcpy(mmptr, value, len);
|
||||
#ifndef MS_SYNC
|
||||
#define MS_SYNC 0
|
||||
#endif
|
||||
msync(mmptr, len, MS_SYNC);
|
||||
/*
|
||||
* Then we need to truncate again, since mmap() always maps complete
|
||||
* pages. Honestly, I tried it without, and you need both.
|
||||
*/
|
||||
ftruncate(fd, len);
|
||||
munmap(mmptr, len);
|
||||
}
|
||||
#else /* don't USE_MMAP */
|
||||
/* can't be bothered to do anything too clever here */
|
||||
|
@ -197,8 +202,8 @@ setpmmapfiles(Param pm, HashTable ht)
|
|||
for (hn = ht->nodes[i]; hn; hn = hn->next) {
|
||||
struct value v;
|
||||
|
||||
v.isarr = v.inv = v.a = 0;
|
||||
v.b = -1;
|
||||
v.isarr = v.inv = v.start = 0;
|
||||
v.len = -1;
|
||||
v.arr = NULL;
|
||||
v.pm = (Param) hn;
|
||||
|
||||
|
@ -243,7 +248,7 @@ get_contents(char *fname)
|
|||
val = NULL;
|
||||
if ((fd = open(fname, O_RDONLY | O_NOCTTY)) >= 0) {
|
||||
LinkList ll;
|
||||
MUSTUSEHEAP("mapfile:get_contents");
|
||||
|
||||
if ((ll = readoutput(fd, 1)))
|
||||
val = peekfirst(ll);
|
||||
}
|
||||
|
@ -259,30 +264,27 @@ getpmmapfile(HashTable ht, char *name)
|
|||
char *contents;
|
||||
Param pm = NULL;
|
||||
|
||||
HEAPALLOC {
|
||||
pm = (Param) zhalloc(sizeof(struct param));
|
||||
pm->nam = dupstring(name);
|
||||
pm->flags = PM_SCALAR;
|
||||
pm->sets.cfn = setpmmapfile;
|
||||
pm->gets.cfn = strgetfn;
|
||||
pm->unsetfn = unsetpmmapfile;
|
||||
pm->ct = 0;
|
||||
pm->env = NULL;
|
||||
pm->ename = NULL;
|
||||
pm->old = NULL;
|
||||
pm->level = 0;
|
||||
pm = (Param) zhalloc(sizeof(struct param));
|
||||
pm->nam = dupstring(name);
|
||||
pm->flags = PM_SCALAR;
|
||||
pm->sets.cfn = setpmmapfile;
|
||||
pm->gets.cfn = strgetfn;
|
||||
pm->unsetfn = unsetpmmapfile;
|
||||
pm->ct = 0;
|
||||
pm->env = NULL;
|
||||
pm->ename = NULL;
|
||||
pm->old = NULL;
|
||||
pm->level = 0;
|
||||
|
||||
pm->flags |= (mapfile_pm->flags & PM_READONLY);
|
||||
|
||||
/* Set u.str to contents of file given by name */
|
||||
if ((contents = get_contents(pm->nam)))
|
||||
pm->u.str = contents;
|
||||
else {
|
||||
pm->u.str = "";
|
||||
pm->flags |= PM_UNSET;
|
||||
}
|
||||
} LASTALLOC;
|
||||
pm->flags |= (mapfile_pm->flags & PM_READONLY);
|
||||
|
||||
/* Set u.str to contents of file given by name */
|
||||
if ((contents = get_contents(pm->nam)))
|
||||
pm->u.str = contents;
|
||||
else {
|
||||
pm->u.str = "";
|
||||
pm->flags |= PM_UNSET;
|
||||
}
|
||||
return (HashNode) pm;
|
||||
}
|
||||
|
||||
|
@ -324,14 +326,14 @@ scanpmmapfile(HashTable ht, ScanFunc func, int flags)
|
|||
|
||||
/**/
|
||||
int
|
||||
setup_mapfile(Module m)
|
||||
setup_(Module m)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
/**/
|
||||
int
|
||||
boot_mapfile(Module m)
|
||||
boot_(Module m)
|
||||
{
|
||||
/* Create the special associative array. */
|
||||
|
||||
|
@ -341,11 +343,9 @@ boot_mapfile(Module m)
|
|||
return 0;
|
||||
}
|
||||
|
||||
#ifdef MODULE
|
||||
|
||||
/**/
|
||||
int
|
||||
cleanup_mapfile(Module m)
|
||||
cleanup_(Module m)
|
||||
{
|
||||
Param pm;
|
||||
|
||||
|
@ -361,9 +361,7 @@ cleanup_mapfile(Module m)
|
|||
|
||||
/**/
|
||||
int
|
||||
finish_mapfile(Module m)
|
||||
finish_(Module m)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
#endif
|
||||
|
|
|
@ -229,8 +229,8 @@ setpmcommands(Param pm, HashTable ht)
|
|||
Cmdnam cn = zcalloc(sizeof(*cn));
|
||||
struct value v;
|
||||
|
||||
v.isarr = v.inv = v.a = 0;
|
||||
v.b = -1;
|
||||
v.isarr = v.inv = v.start = 0;
|
||||
v.len = -1;
|
||||
v.arr = NULL;
|
||||
v.pm = (Param) hn;
|
||||
|
||||
|
@ -400,8 +400,8 @@ setfunctions(Param pm, HashTable ht, int dis)
|
|||
for (hn = ht->nodes[i]; hn; hn = hn->next) {
|
||||
struct value v;
|
||||
|
||||
v.isarr = v.inv = v.a = 0;
|
||||
v.b = -1;
|
||||
v.isarr = v.inv = v.start = 0;
|
||||
v.len = -1;
|
||||
v.arr = NULL;
|
||||
v.pm = (Param) hn;
|
||||
|
||||
|
@ -754,8 +754,8 @@ setpmoptions(Param pm, HashTable ht)
|
|||
struct value v;
|
||||
char *val;
|
||||
|
||||
v.isarr = v.inv = v.a = 0;
|
||||
v.b = -1;
|
||||
v.isarr = v.inv = v.start = 0;
|
||||
v.len = -1;
|
||||
v.arr = NULL;
|
||||
v.pm = (Param) hn;
|
||||
|
||||
|
@ -1433,8 +1433,8 @@ setpmnameddirs(Param pm, HashTable ht)
|
|||
struct value v;
|
||||
char *val;
|
||||
|
||||
v.isarr = v.inv = v.a = 0;
|
||||
v.b = -1;
|
||||
v.isarr = v.inv = v.start = 0;
|
||||
v.len = -1;
|
||||
v.arr = NULL;
|
||||
v.pm = (Param) hn;
|
||||
|
||||
|
@ -1659,8 +1659,8 @@ setaliases(Param pm, HashTable ht, int global, int dis)
|
|||
struct value v;
|
||||
char *val;
|
||||
|
||||
v.isarr = v.inv = v.a = 0;
|
||||
v.b = -1;
|
||||
v.isarr = v.inv = v.start = 0;
|
||||
v.len = -1;
|
||||
v.arr = NULL;
|
||||
v.pm = (Param) hn;
|
||||
|
||||
|
|
|
@ -1033,8 +1033,8 @@ set_compstate(Param pm, HashTable ht)
|
|||
for (cp = compkparams,
|
||||
pp = compkpms; cp->name; cp++, pp++)
|
||||
if (!strcmp(hn->nam, cp->name)) {
|
||||
v.isarr = v.inv = v.a = 0;
|
||||
v.b = -1;
|
||||
v.isarr = v.inv = v.start = 0;
|
||||
v.len = -1;
|
||||
v.arr = NULL;
|
||||
v.pm = (Param) hn;
|
||||
if (cp->type == PM_INTEGER)
|
||||
|
|
25
Src/glob.c
25
Src/glob.c
|
@ -921,8 +921,8 @@ glob(LinkList list, LinkNode np, int nountok)
|
|||
Complist q; /* pattern after parsing */
|
||||
char *ostr = (char *)getdata(np); /* the pattern before the parser */
|
||||
/* chops it up */
|
||||
int first = 0, last = -1; /* index of first/last match to */
|
||||
/* return */
|
||||
int first = 0, count = -1; /* index of first match to return */
|
||||
/* plus number of items */
|
||||
struct globdata saved; /* saved glob state */
|
||||
|
||||
if (unset(GLOBOPT) || !haswilds(ostr)) {
|
||||
|
@ -1334,15 +1334,15 @@ glob(LinkList list, LinkNode np, int nountok)
|
|||
|
||||
v.isarr = SCANPM_WANTVALS;
|
||||
v.pm = NULL;
|
||||
v.b = -1;
|
||||
v.len = -1;
|
||||
v.inv = 0;
|
||||
if (getindex(&s, &v) || s == os) {
|
||||
zerr("invalid subscript", NULL, 0);
|
||||
restore_globstate(saved);
|
||||
return;
|
||||
}
|
||||
first = v.a;
|
||||
last = v.b;
|
||||
first = v.start;
|
||||
count = v.len;
|
||||
break;
|
||||
}
|
||||
default:
|
||||
|
@ -1428,16 +1428,15 @@ glob(LinkList list, LinkNode np, int nountok)
|
|||
|
||||
if (first < 0)
|
||||
first += matchct;
|
||||
if (last < 0)
|
||||
last += matchct;
|
||||
if (count < 0)
|
||||
count += matchct + 1;
|
||||
if (first < 0)
|
||||
first = 0;
|
||||
if (last >= matchct)
|
||||
last = matchct - 1;
|
||||
if (first <= last) {
|
||||
matchptr = matchbuf + matchct - 1 - last;
|
||||
last -= first;
|
||||
while (last-- >= 0) { /* insert matches in the arg list */
|
||||
if (count > matchct - first)
|
||||
count = matchct - first;
|
||||
if (count > 0) {
|
||||
matchptr = matchbuf + matchct - first - count;
|
||||
while (count-- > 0) { /* insert matches in the arg list */
|
||||
insertlinknode(list, node, matchptr->name);
|
||||
matchptr++;
|
||||
}
|
||||
|
|
216
Src/params.c
216
Src/params.c
|
@ -394,8 +394,8 @@ scanparamvals(HashNode hn, int flags)
|
|||
}
|
||||
v.isarr = (PM_TYPE(v.pm->flags) & (PM_ARRAY|PM_HASHED));
|
||||
v.inv = 0;
|
||||
v.a = 0;
|
||||
v.b = -1;
|
||||
v.start = 0;
|
||||
v.len = -1;
|
||||
paramvals[numparamvals] = getstrvalue(&v);
|
||||
if (flags & SCANPM_MATCHVAL) {
|
||||
if (pattry(scanprog, paramvals[numparamvals])) {
|
||||
|
@ -437,8 +437,8 @@ getvaluearr(Value v)
|
|||
else if (PM_TYPE(v->pm->flags) == PM_HASHED) {
|
||||
v->arr = paramvalarr(v->pm->gets.hfn(v->pm), v->isarr);
|
||||
/* Can't take numeric slices of associative arrays */
|
||||
v->a = 0;
|
||||
v->b = numparamvals;
|
||||
v->start = 0;
|
||||
v->len = numparamvals + 1;
|
||||
return v->arr;
|
||||
} else
|
||||
return NULL;
|
||||
|
@ -932,13 +932,15 @@ getarg(char **str, int *inv, Value v, int a2, zlong *w)
|
|||
paramtab = tht;
|
||||
}
|
||||
v->isarr = (*inv ? SCANPM_WANTINDEX : 0);
|
||||
v->a = 0;
|
||||
v->start = 0;
|
||||
*inv = 0; /* We've already obtained the "index" (key) */
|
||||
*w = v->b = -1;
|
||||
*w = v->len = -1;
|
||||
r = isset(KSHARRAYS) ? 1 : 0;
|
||||
} else
|
||||
if (!(r = mathevalarg(s, &s)) || (isset(KSHARRAYS) && r >= 0))
|
||||
r++;
|
||||
} else {
|
||||
r = mathevalarg(s, &s);
|
||||
if ((!r && !a2) || (isset(KSHARRAYS) && r >= 0))
|
||||
r++;
|
||||
}
|
||||
if (word && !v->isarr) {
|
||||
s = t = getstrvalue(v);
|
||||
i = wordcount(s, sep, 0);
|
||||
|
@ -955,7 +957,7 @@ getarg(char **str, int *inv, Value v, int a2, zlong *w)
|
|||
return 0;
|
||||
|
||||
if (!a2 && *tt != ',')
|
||||
*w = (zlong)(s - t) - 1;
|
||||
*w = (zlong)(s - d) - 1;
|
||||
|
||||
return (a2 ? s : d + 1) - t;
|
||||
} else if (!v->isarr && !word) {
|
||||
|
@ -1014,7 +1016,7 @@ getarg(char **str, int *inv, Value v, int a2, zlong *w)
|
|||
(v->isarr & (SCANPM_MATCHKEY | SCANPM_MATCHVAL |
|
||||
SCANPM_KEYMATCH))))) {
|
||||
*inv = v->inv;
|
||||
*w = v->b;
|
||||
*w = v->len;
|
||||
return 1;
|
||||
}
|
||||
} else
|
||||
|
@ -1065,7 +1067,7 @@ getarg(char **str, int *inv, Value v, int a2, zlong *w)
|
|||
if (!--r) {
|
||||
r = (zlong)(t - s + (a2 ? -1 : 1));
|
||||
if (!a2 && *tt != ',')
|
||||
*w = r + strlen(ta[i]) - 2;
|
||||
*w = strlen(ta[i]) - 1;
|
||||
return r;
|
||||
}
|
||||
return a2 ? -1 : 0;
|
||||
|
@ -1129,7 +1131,7 @@ getarg(char **str, int *inv, Value v, int a2, zlong *w)
|
|||
int
|
||||
getindex(char **pptr, Value v)
|
||||
{
|
||||
int a, b, inv = 0;
|
||||
int start, len, inv = 0;
|
||||
char *s = *pptr, *tbrack;
|
||||
|
||||
*s++ = '[';
|
||||
|
@ -1141,31 +1143,32 @@ getindex(char **pptr, Value v)
|
|||
if ((s[0] == '*' || s[0] == '@') && s[1] == ']') {
|
||||
if ((v->isarr || IS_UNSET_VALUE(v)) && s[0] == '@')
|
||||
v->isarr |= SCANPM_ISVAR_AT;
|
||||
v->a = 0;
|
||||
v->b = -1;
|
||||
v->start = 0;
|
||||
v->len = -1;
|
||||
s += 2;
|
||||
} else {
|
||||
zlong we = 0, dummy;
|
||||
zlong wlen = 0, dummy;
|
||||
|
||||
a = getarg(&s, &inv, v, 0, &we);
|
||||
start = getarg(&s, &inv, v, 0, &wlen);
|
||||
|
||||
if (inv) {
|
||||
if (!v->isarr && a != 0) {
|
||||
if (!v->isarr && start != 0) {
|
||||
char *t, *p;
|
||||
t = getstrvalue(v);
|
||||
if (a > 0) {
|
||||
for (p = t + a - 1; p-- > t; )
|
||||
if (start > 0) {
|
||||
for (p = t + start - 1; p-- > t; )
|
||||
if (*p == Meta)
|
||||
a--;
|
||||
start--;
|
||||
} else
|
||||
a = -ztrlen(t + a + strlen(t));
|
||||
start = -ztrlen(t + start + strlen(t));
|
||||
}
|
||||
if (a > 0 && (isset(KSHARRAYS) || (v->pm->flags & PM_HASHED)))
|
||||
a--;
|
||||
if (start > 0 && (isset(KSHARRAYS) || (v->pm->flags & PM_HASHED)))
|
||||
start--;
|
||||
if (v->isarr != SCANPM_WANTINDEX) {
|
||||
v->inv = 1;
|
||||
v->isarr = 0;
|
||||
v->a = v->b = a;
|
||||
v->start = start;
|
||||
v->len = 1;
|
||||
}
|
||||
if (*s == ',') {
|
||||
zerr("invalid subscript", NULL, 0);
|
||||
|
@ -1179,25 +1182,28 @@ getindex(char **pptr, Value v)
|
|||
} else {
|
||||
int com;
|
||||
|
||||
if (a > 0)
|
||||
a--;
|
||||
if (start > 0)
|
||||
start--;
|
||||
if ((com = (*s == ','))) {
|
||||
s++;
|
||||
b = getarg(&s, &inv, v, 1, &dummy);
|
||||
if (b > 0)
|
||||
b--;
|
||||
len = getarg(&s, &inv, v, 1, &dummy);
|
||||
if (len > 0) {
|
||||
len -= start;
|
||||
if (len < 0)
|
||||
len = 0;
|
||||
}
|
||||
} else {
|
||||
b = we ? we : a;
|
||||
len = wlen ? wlen : 1;
|
||||
}
|
||||
if (*s == ']' || *s == Outbrack) {
|
||||
s++;
|
||||
if (v->isarr && a == b && !com &&
|
||||
if (v->isarr && len == 1 && !com &&
|
||||
(!(v->isarr & SCANPM_MATCHMANY) ||
|
||||
!(v->isarr & (SCANPM_MATCHKEY | SCANPM_MATCHVAL |
|
||||
SCANPM_KEYMATCH))))
|
||||
v->isarr = 0;
|
||||
v->a = a;
|
||||
v->b = b;
|
||||
v->start = start;
|
||||
v->len = len;
|
||||
} else
|
||||
s = *pptr;
|
||||
}
|
||||
|
@ -1258,7 +1264,8 @@ fetchvalue(Value v, char **pptr, int bracks, int flags)
|
|||
v = (Value) hcalloc(sizeof *v);
|
||||
v->pm = argvparam;
|
||||
v->inv = 0;
|
||||
v->a = v->b = ppar - 1;
|
||||
v->start = ppar - 1;
|
||||
v->len = 1;
|
||||
if (sav)
|
||||
*s = sav;
|
||||
} else {
|
||||
|
@ -1288,8 +1295,8 @@ fetchvalue(Value v, char **pptr, int bracks, int flags)
|
|||
}
|
||||
v->pm = pm;
|
||||
v->inv = 0;
|
||||
v->a = 0;
|
||||
v->b = -1;
|
||||
v->start = 0;
|
||||
v->len = -1;
|
||||
if (bracks > 0 && (*s == '[' || *s == Inbrack)) {
|
||||
if (getindex(&s, v)) {
|
||||
*pptr = s;
|
||||
|
@ -1297,19 +1304,21 @@ fetchvalue(Value v, char **pptr, int bracks, int flags)
|
|||
}
|
||||
} else if (!(flags & SCANPM_ASSIGNING) && v->isarr &&
|
||||
iident(*t) && isset(KSHARRAYS))
|
||||
v->b = 0, v->isarr = 0;
|
||||
v->len = 1, v->isarr = 0;
|
||||
}
|
||||
if (!bracks && *s)
|
||||
return NULL;
|
||||
*pptr = s;
|
||||
if (v->a > MAX_ARRLEN ||
|
||||
v->a < -MAX_ARRLEN) {
|
||||
zerr("subscript too %s: %d", (v->a < 0) ? "small" : "big", v->a);
|
||||
if (v->start > MAX_ARRLEN ||
|
||||
v->start < -MAX_ARRLEN) {
|
||||
zerr("subscript too %s: %d", (v->start < 0) ? "small" : "big",
|
||||
v->start + !isset(KSHARRAYS));
|
||||
return NULL;
|
||||
}
|
||||
if (v->b > MAX_ARRLEN ||
|
||||
v->b < -MAX_ARRLEN) {
|
||||
zerr("subscript too %s: %d", (v->b < 0) ? "small" : "big", v->b);
|
||||
if (v->start + v->len > MAX_ARRLEN ||
|
||||
v->start + v->len < -MAX_ARRLEN) {
|
||||
zerr("subscript too %s: %d", (v->len < 0) ? "small" : "big",
|
||||
v->start + v->len - !!isset(KSHARRAYS));
|
||||
return NULL;
|
||||
}
|
||||
return v;
|
||||
|
@ -1326,7 +1335,7 @@ getstrvalue(Value v)
|
|||
return hcalloc(1);
|
||||
|
||||
if (v->inv && !(v->pm->flags & PM_HASHED)) {
|
||||
sprintf(buf, "%d", v->a);
|
||||
sprintf(buf, "%d", v->start);
|
||||
s = dupstring(buf);
|
||||
return s;
|
||||
}
|
||||
|
@ -1345,9 +1354,10 @@ getstrvalue(Value v)
|
|||
if (v->isarr)
|
||||
s = sepjoin(ss, NULL, 1);
|
||||
else {
|
||||
if (v->a < 0)
|
||||
v->a += arrlen(ss);
|
||||
s = (v->a >= arrlen(ss) || v->a < 0) ? (char *) hcalloc(1) : ss[v->a];
|
||||
if (v->start < 0)
|
||||
v->start += arrlen(ss);
|
||||
s = (v->start >= arrlen(ss) || v->start < 0) ?
|
||||
(char *) hcalloc(1) : ss[v->start];
|
||||
}
|
||||
return s;
|
||||
case PM_INTEGER:
|
||||
|
@ -1367,18 +1377,18 @@ getstrvalue(Value v)
|
|||
break;
|
||||
}
|
||||
|
||||
if (v->a == 0 && v->b == -1)
|
||||
if (v->start == 0 && v->len == -1)
|
||||
return s;
|
||||
|
||||
if (v->a < 0)
|
||||
v->a += strlen(s);
|
||||
if (v->b < 0)
|
||||
v->b += strlen(s);
|
||||
s = (v->a > (int)strlen(s)) ? dupstring("") : dupstring(s + v->a);
|
||||
if (v->b < v->a)
|
||||
if (v->start < 0)
|
||||
v->start += strlen(s);
|
||||
if (v->len < 0)
|
||||
v->len += strlen(s) - v->start + 1;
|
||||
s = (v->start > (int)strlen(s)) ? dupstring("") : dupstring(s + v->start);
|
||||
if (v->len <= 0)
|
||||
s[0] = '\0';
|
||||
else if (v->b - v->a < (int)strlen(s))
|
||||
s[v->b - v->a + 1 + (s[v->b - v->a] == Meta)] = '\0';
|
||||
else if (v->len <= (int)strlen(s))
|
||||
s[v->len + (s[v->len - 1] == Meta)] = '\0';
|
||||
|
||||
return s;
|
||||
}
|
||||
|
@ -1399,25 +1409,25 @@ getarrvalue(Value v)
|
|||
char buf[DIGBUFSIZE];
|
||||
|
||||
s = arrdup(nular);
|
||||
sprintf(buf, "%d", v->a);
|
||||
sprintf(buf, "%d", v->start);
|
||||
s[0] = dupstring(buf);
|
||||
return s;
|
||||
}
|
||||
s = getvaluearr(v);
|
||||
if (v->a == 0 && v->b == -1)
|
||||
if (v->start == 0 && v->len == -1)
|
||||
return s;
|
||||
if (v->a < 0)
|
||||
v->a += arrlen(s);
|
||||
if (v->b < 0)
|
||||
v->b += arrlen(s);
|
||||
if (v->a > arrlen(s) || v->a < 0)
|
||||
if (v->start < 0)
|
||||
v->start += arrlen(s);
|
||||
if (v->len < 0)
|
||||
v->len += arrlen(s) - v->start + 1;
|
||||
if (v->start > arrlen(s) || v->start < 0)
|
||||
s = arrdup(nular);
|
||||
else
|
||||
s = arrdup(s + v->a);
|
||||
if (v->b < v->a)
|
||||
s = arrdup(s + v->start);
|
||||
if (v->len <= 0)
|
||||
s[0] = NULL;
|
||||
else if (v->b - v->a < arrlen(s))
|
||||
s[v->b - v->a + 1] = NULL;
|
||||
else if (v->len <= arrlen(s))
|
||||
s[v->len] = NULL;
|
||||
return s;
|
||||
}
|
||||
|
||||
|
@ -1428,7 +1438,7 @@ getintvalue(Value v)
|
|||
if (!v || v->isarr)
|
||||
return 0;
|
||||
if (v->inv)
|
||||
return v->a;
|
||||
return v->start;
|
||||
if (PM_TYPE(v->pm->flags) == PM_INTEGER)
|
||||
return v->pm->gets.ifn(v->pm);
|
||||
if (v->pm->flags & (PM_EFLOAT|PM_FFLOAT))
|
||||
|
@ -1446,7 +1456,7 @@ getnumvalue(Value v)
|
|||
if (!v || v->isarr) {
|
||||
mn.u.l = 0;
|
||||
} else if (v->inv) {
|
||||
mn.u.l = v->a;
|
||||
mn.u.l = v->start;
|
||||
} else if (PM_TYPE(v->pm->flags) == PM_INTEGER) {
|
||||
mn.u.l = v->pm->gets.ifn(v->pm);
|
||||
} else if (v->pm->flags & (PM_EFLOAT|PM_FFLOAT)) {
|
||||
|
@ -1495,7 +1505,7 @@ setstrvalue(Value v, char *val)
|
|||
v->pm->flags &= ~PM_UNSET;
|
||||
switch (PM_TYPE(v->pm->flags)) {
|
||||
case PM_SCALAR:
|
||||
if (v->a == 0 && v->b == -1) {
|
||||
if (v->start == 0 && v->len == -1) {
|
||||
(v->pm->sets.cfn) (v->pm, val);
|
||||
if (v->pm->flags & (PM_LEFT | PM_RIGHT_B | PM_RIGHT_Z) && !v->pm->ct)
|
||||
v->pm->ct = strlen(val);
|
||||
|
@ -1506,22 +1516,22 @@ setstrvalue(Value v, char *val)
|
|||
z = dupstring((v->pm->gets.cfn) (v->pm));
|
||||
zlen = strlen(z);
|
||||
if (v->inv && unset(KSHARRAYS))
|
||||
v->a--, v->b--;
|
||||
if (v->a < 0) {
|
||||
v->a += zlen;
|
||||
if (v->a < 0)
|
||||
v->a = 0;
|
||||
v->start--;
|
||||
if (v->start < 0) {
|
||||
v->start += zlen;
|
||||
if (v->start < 0)
|
||||
v->start = 0;
|
||||
}
|
||||
if (v->a > zlen)
|
||||
v->a = zlen;
|
||||
if (v->b < 0)
|
||||
v->b += zlen;
|
||||
if (v->b > zlen - 1)
|
||||
v->b = zlen - 1;
|
||||
x = (char *) zalloc(v->a + strlen(val) + zlen - v->b);
|
||||
strncpy(x, z, v->a);
|
||||
strcpy(x + v->a, val);
|
||||
strcat(x + v->a, z + v->b + 1);
|
||||
if (v->start > zlen)
|
||||
v->start = zlen;
|
||||
if (v->len < 0)
|
||||
v->len += zlen - v->start + 1;
|
||||
if (v->len > zlen - v->start)
|
||||
v->len = zlen - v->start;
|
||||
x = (char *) zalloc(strlen(val) + zlen - v->len + 1);
|
||||
strncpy(x, z, v->start);
|
||||
strcpy(x + v->start, val);
|
||||
strcat(x + v->start, z + v->start + v->len);
|
||||
(v->pm->sets.cfn) (v->pm, x);
|
||||
zsfree(val);
|
||||
}
|
||||
|
@ -1618,7 +1628,7 @@ setarrvalue(Value v, char **val)
|
|||
zerr("attempt to assign array value to non-array", NULL, 0);
|
||||
return;
|
||||
}
|
||||
if (v->a == 0 && v->b == -1) {
|
||||
if (v->start == 0 && v->len == -1) {
|
||||
if (PM_TYPE(v->pm->flags) == PM_HASHED)
|
||||
arrhashsetfn(v->pm, val);
|
||||
else
|
||||
|
@ -1633,30 +1643,30 @@ setarrvalue(Value v, char **val)
|
|||
return;
|
||||
}
|
||||
if (v->inv && unset(KSHARRAYS))
|
||||
v->a--, v->b--;
|
||||
v->start--;
|
||||
q = old = v->pm->gets.afn(v->pm);
|
||||
n = arrlen(old);
|
||||
if (v->a < 0)
|
||||
v->a += n;
|
||||
if (v->b < 0)
|
||||
v->b += n;
|
||||
if (v->a < 0)
|
||||
v->a = 0;
|
||||
if (v->b < 0)
|
||||
v->b = 0;
|
||||
if (v->start < 0)
|
||||
v->start += n;
|
||||
if (v->len < 0)
|
||||
v->len += n - v->start + 1;
|
||||
if (v->start < 0)
|
||||
v->start = 0;
|
||||
if (v->len < 0)
|
||||
v->len = 0;
|
||||
|
||||
ll = v->a + arrlen(val);
|
||||
if (v->b < n)
|
||||
ll += n - v->b;
|
||||
ll = v->start + arrlen(val);
|
||||
if (v->start + v->len - 1 < n)
|
||||
ll += n - (v->start + v->len - 1);
|
||||
|
||||
p = new = (char **) zcalloc(sizeof(char *) * (ll + 1));
|
||||
|
||||
for (i = 0; i < v->a; i++)
|
||||
for (i = 0; i < v->start; i++)
|
||||
*p++ = i < n ? ztrdup(*q++) : ztrdup("");
|
||||
for (r = val; *r;)
|
||||
*p++ = ztrdup(*r++);
|
||||
if (v->b + 1 < n)
|
||||
for (q = old + v->b + 1; *q;)
|
||||
if (v->start + v->len < n)
|
||||
for (q = old + v->start + v->len; *q;)
|
||||
*p++ = ztrdup(*q++);
|
||||
*p = NULL;
|
||||
|
||||
|
@ -2151,7 +2161,7 @@ arrhashsetfn(Param pm, char **val)
|
|||
HashTable opmtab = paramtab, ht = 0;
|
||||
char **aptr = val;
|
||||
Value v = (Value) hcalloc(sizeof *v);
|
||||
v->b = -1;
|
||||
v->len = -1;
|
||||
|
||||
if (alen % 2) {
|
||||
freearray(val);
|
||||
|
|
|
@ -807,7 +807,7 @@ patgetglobflags(char **strp, long *assertp)
|
|||
static long
|
||||
patcomppiece(int *flagp)
|
||||
{
|
||||
long starter, next, pound, op;
|
||||
long starter = 0, next, pound, op;
|
||||
int flags, flags2, kshchar, len, ch, patch;
|
||||
union upat up;
|
||||
char *nptr, *str0, cbuf[2];
|
||||
|
@ -1025,7 +1025,6 @@ patcomppiece(int *flagp)
|
|||
if (*patparse != Outang)
|
||||
return 0;
|
||||
patparse++;
|
||||
starter = 0; /* shut compiler up */
|
||||
switch(len) {
|
||||
case 3:
|
||||
starter = patnode(P_NUMRNG);
|
||||
|
|
|
@ -1138,7 +1138,7 @@ paramsubst(LinkList l, LinkNode n, char **str, int qt, int ssub)
|
|||
v = (Value) hcalloc(sizeof *v);
|
||||
v->isarr = isarr;
|
||||
v->pm = pm;
|
||||
v->b = -1;
|
||||
v->len = -1;
|
||||
if (getindex(&s, v) || s == os)
|
||||
break;
|
||||
}
|
||||
|
@ -1154,9 +1154,9 @@ paramsubst(LinkList l, LinkNode n, char **str, int qt, int ssub)
|
|||
if (v->pm->flags & PM_ARRAY) {
|
||||
int tmplen = arrlen(v->pm->gets.afn(v->pm));
|
||||
|
||||
if (v->a < 0)
|
||||
v->a += tmplen + v->inv;
|
||||
if (!v->inv && (v->a >= tmplen || v->a < 0))
|
||||
if (v->start < 0)
|
||||
v->start += tmplen + v->inv;
|
||||
if (!v->inv && (v->start >= tmplen || v->start < 0))
|
||||
vunset = 1;
|
||||
}
|
||||
if (!vunset) {
|
||||
|
|
|
@ -467,8 +467,8 @@ struct value {
|
|||
int isarr;
|
||||
Param pm; /* parameter node */
|
||||
int inv; /* should we return the index ? */
|
||||
int a; /* first element of array slice, or -1 */
|
||||
int b; /* last element of array slice, or -1 */
|
||||
int start; /* first element of array slice, or -1 */
|
||||
int len; /* length of array slice, or -1 */
|
||||
char **arr; /* cache for hash turned into array */
|
||||
};
|
||||
|
||||
|
|
|
@ -99,6 +99,7 @@
|
|||
|
||||
# can't be bothered with -S
|
||||
|
||||
sleep 1
|
||||
cat unmodified
|
||||
touch newnewnew
|
||||
[[ -N newnewnew && ! -N unmodified ]]
|
||||
|
|
Loading…
Reference in a new issue