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| author | Bart Schaefer <barts@users.sourceforge.net> | 2002-01-27 18:19:17 +0000 |
|---|---|---|
| committer | Bart Schaefer <barts@users.sourceforge.net> | 2002-01-27 18:19:17 +0000 |
| commit | f40c3dc74a31eb5cbf73a5c4878f28c08d843efa (patch) | |
| tree | 64b603d269ef3217146c25c334e062b5386638e7 /Src | |
| parent | f3eaa04740857b9771c6e1ca3f4e86e6696b461e (diff) | |
| download | zsh-f40c3dc74a31eb5cbf73a5c4878f28c08d843efa.tar.gz zsh-f40c3dc74a31eb5cbf73a5c4878f28c08d843efa.tar.xz zsh-f40c3dc74a31eb5cbf73a5c4878f28c08d843efa.zip | |
16400, 16401: preserve empty words that result from brace expansion.
Diffstat (limited to 'Src')
| -rw-r--r-- | Src/subst.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/Src/subst.c b/Src/subst.c index 2e1c05849..3533c1417 100644 --- a/Src/subst.c +++ b/Src/subst.c @@ -49,8 +49,8 @@ char nulstring[] = {Nularg, '\0'}; mod_export void prefork(LinkList list, int flags) { - LinkNode node; - int asssub = (flags & PF_TYPESET) && isset(KSHTYPESET); + LinkNode node, stop = 0; + int keep = 0, asssub = (flags & PF_TYPESET) && isset(KSHTYPESET); queue_signals(); for (node = firstnode(list); node; incnode(node)) { @@ -78,15 +78,22 @@ prefork(LinkList list, int flags) } } for (node = firstnode(list); node; incnode(node)) { + if (node == stop) + keep = 0; if (*(char *)getdata(node)) { remnulargs(getdata(node)); - if (unset(IGNOREBRACES) && !(flags & PF_SINGLE)) - while (hasbraces(getdata(node))) + if (unset(IGNOREBRACES) && !(flags & PF_SINGLE)) { + if (!keep) + stop = nextnode(node); + while (hasbraces(getdata(node))) { + keep = 1; xpandbraces(list, &node); + } + } if (unset(SHFILEEXPANSION)) filesub((char **)getaddrdata(node), flags & (PF_TYPESET|PF_ASSIGN)); - } else if (!(flags & PF_SINGLE)) + } else if (!(flags & PF_SINGLE) && !keep) uremnode(list, node); if (errflag) { unqueue_signals(); |