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| author | Barton E. Schaefer <schaefer@zsh.org> | 2017-02-26 12:03:56 -0800 |
|---|---|---|
| committer | Barton E. Schaefer <schaefer@zsh.org> | 2017-02-26 12:03:56 -0800 |
| commit | d00931de5c2b7aa846daf137865dd05ac8d4be8a (patch) | |
| tree | 754e2d1f13b639b2ea34dd63ccbb6f4f38077e62 /Src/Modules/parameter.c | |
| parent | c7048cd88f508b775b3805199f8fd68efd4279df (diff) | |
| download | zsh-d00931de5c2b7aa846daf137865dd05ac8d4be8a.tar.gz zsh-d00931de5c2b7aa846daf137865dd05ac8d4be8a.tar.xz zsh-d00931de5c2b7aa846daf137865dd05ac8d4be8a.zip | |
40650: redo 40508 and 40626 with comments explaining what is actually going on
Diffstat (limited to 'Src/Modules/parameter.c')
| -rw-r--r-- | Src/Modules/parameter.c | 34 |
1 files changed, 25 insertions, 9 deletions
diff --git a/Src/Modules/parameter.c b/Src/Modules/parameter.c index c251e4f97..10c47d214 100644 --- a/Src/Modules/parameter.c +++ b/Src/Modules/parameter.c @@ -167,7 +167,7 @@ unsetpmcommand(Param pm, UNUSED(int exp)) /**/ static void -setpmcommands(UNUSED(Param pm), HashTable ht) +setpmcommands(Param pm, HashTable ht) { int i; HashNode hn; @@ -190,7 +190,15 @@ setpmcommands(UNUSED(Param pm), HashTable ht) cmdnamtab->addnode(cmdnamtab, ztrdup(hn->nam), &cn->node); } - deleteparamtable(ht); + /* + * On full-array assignment ht is a temporary hash with the default + * get/set functions, whereas pm->u.hash has the special $commands + * get/set functions. Do not assign ht to pm, just delete it. + * + * On append, ht and pm->u.hash are the same table, don't delete. + */ + if (ht != pm->u.hash) + deleteparamtable(ht); } static const struct gsu_scalar pmcommand_gsu = @@ -349,7 +357,9 @@ setfunctions(Param pm, HashTable ht, int dis) setfunction(hn->nam, ztrdup(getstrvalue(&v)), dis); } - hashsetfn(pm, ht); + /* See setpmcommands() above */ + if (ht != pm->u.hash) + deleteparamtable(ht); } /**/ @@ -937,7 +947,7 @@ unsetpmoption(Param pm, UNUSED(int exp)) /**/ static void -setpmoptions(UNUSED(Param pm), HashTable ht) +setpmoptions(Param pm, HashTable ht) { int i; HashNode hn; @@ -962,7 +972,9 @@ setpmoptions(UNUSED(Param pm), HashTable ht) (val && strcmp(val, "off")), 0, opts)) zwarn("can't change option: %s", hn->nam); } - deleteparamtable(ht); + /* See setpmcommands() above */ + if (ht != pm->u.hash) + deleteparamtable(ht); } static const struct gsu_scalar pmoption_gsu = @@ -1501,7 +1513,7 @@ unsetpmnameddir(Param pm, UNUSED(int exp)) /**/ static void -setpmnameddirs(UNUSED(Param pm), HashTable ht) +setpmnameddirs(Param pm, HashTable ht) { int i; HashNode hn, next, hd; @@ -1543,7 +1555,9 @@ setpmnameddirs(UNUSED(Param pm), HashTable ht) i = opts[INTERACTIVE]; opts[INTERACTIVE] = 0; - deleteparamtable(ht); + /* See setpmcommands() above */ + if (ht != pm->u.hash) + deleteparamtable(ht); opts[INTERACTIVE] = i; } @@ -1724,7 +1738,7 @@ unsetpmsalias(Param pm, UNUSED(int exp)) /**/ static void -setaliases(HashTable alht, UNUSED(Param pm), HashTable ht, int flags) +setaliases(HashTable alht, Param pm, HashTable ht, int flags) { int i; HashNode hn, next, hd; @@ -1760,7 +1774,9 @@ setaliases(HashTable alht, UNUSED(Param pm), HashTable ht, int flags) alht->addnode(alht, ztrdup(hn->nam), createaliasnode(ztrdup(val), flags)); } - deleteparamtable(ht); + /* See setpmcommands() above */ + if (ht != pm->u.hash) + deleteparamtable(ht); } /**/ |