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detect additional characters in parameter expansions and signal an error for them (11380)

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Sven Wischnowsky 2000-05-15 14:59:01 +00:00
parent 1dc5677a41
commit 0e5666e2ad
2 changed files with 19 additions and 3 deletions
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19
Src/subst.c
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@ -1230,6 +1230,15 @@ paramsubst(LinkList l, LinkNode n, char **str, int qt, int ssub)
if (!inbrace)
break;
}
if (inbrace &&
(c = *s) != '-' && c != '+' && c != ':' && c != '%' && c != '/' &&
c != '=' && c != Equals &&
c != '#' && c != Pound &&
c != '?' && c != Quest &&
c != '}' && c != Outbrace) {
zerr("bad substitution", NULL, 0);
return NULL;
}
if (isarr) {
if (nojoin)
isarr = -1;
@ -1463,9 +1472,6 @@ paramsubst(LinkList l, LinkNode n, char **str, int qt, int ssub)
}
}
{
char t = s[-1];
singsub(&s);
#if 0
/*
* This allows # and % to be at the start of
@ -1473,6 +1479,11 @@ paramsubst(LinkList l, LinkNode n, char **str, int qt, int ssub)
* a bit nasty, and can be done (although
* less efficiently) with anchors.
*/
char t = s[-1];
singsub(&s);
if (t == '/' && (flags & SUB_SUBSTR)) {
if ((c = *s) == '#' || c == '%') {
flags &= ~SUB_SUBSTR;
@ -1483,6 +1494,8 @@ paramsubst(LinkList l, LinkNode n, char **str, int qt, int ssub)
s++;
}
}
#else
singsub(&s);
#endif
}