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authorHerbert Xu <herbert@gondor.apana.org.au>2018-05-19 02:39:51 +0800
committerBen Hutchings <ben@decadent.org.uk>2020-03-28 21:42:55 +0000
commite8b1ed5d253922aeb880518f27312b112e360f09 (patch)
treed7415077f2939a0e5009cae83d85066662fd9a9e
parent604d3a0a1570f3478360913c2935ea53d18857e6 (diff)
downloadklibc-e8b1ed5d253922aeb880518f27312b112e360f09.tar.gz
[klibc] dash: exec: Never rehash regular built-ins
[ dash commit 59e62c9a3c67eef2bf9dc86e5bf0b2c88d6e8571 ] As regular (including special) built-ins can never be overridden, we should never remove them from the hash table. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
-rw-r--r--usr/dash/exec.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/usr/dash/exec.c b/usr/dash/exec.c
index 8948754bbc86d..6c0a64f6460fa 100644
--- a/usr/dash/exec.c
+++ b/usr/dash/exec.c
@@ -287,9 +287,11 @@ hashcmd(int argc, char **argv)
}
c = 0;
while ((name = *argptr) != NULL) {
- if ((cmdp = cmdlookup(name, 0)) != NULL
- && (cmdp->cmdtype == CMDNORMAL
- || (cmdp->cmdtype == CMDBUILTIN && builtinloc >= 0)))
+ if ((cmdp = cmdlookup(name, 0)) &&
+ (cmdp->cmdtype == CMDNORMAL ||
+ (cmdp->cmdtype == CMDBUILTIN &&
+ !(cmdp->param.cmd->flags & BUILTIN_REGULAR) &&
+ builtinloc > 0)))
delete_cmd_entry();
find_command(name, &entry, DO_ERR, pathval());
if (entry.cmdtype == CMDUNKNOWN)
@@ -377,7 +379,8 @@ find_command(char *name, struct cmdentry *entry, int act, const char *path)
bit = DO_NOFUNC;
break;
case CMDBUILTIN:
- bit = DO_ALTBLTIN;
+ bit = cmdp->param.cmd->flags & BUILTIN_REGULAR ?
+ 0 : DO_ALTBLTIN;
break;
}
if (act & bit) {
@@ -601,7 +604,9 @@ clearcmdentry(void)
pp = tblp;
while ((cmdp = *pp) != NULL) {
if (cmdp->cmdtype == CMDNORMAL ||
- (cmdp->cmdtype == CMDBUILTIN && builtinloc > 0)) {
+ (cmdp->cmdtype == CMDBUILTIN &&
+ !(cmdp->param.cmd->flags & BUILTIN_REGULAR) &&
+ builtinloc > 0)) {
*pp = cmdp->next;
ckfree(cmdp);
} else {