From 59e62c9a3c67eef2bf9dc86e5bf0b2c88d6e8571 Mon Sep 17 00:00:00 2001 From: Herbert Xu Date: Sat, 19 May 2018 02:39:51 +0800 Subject: exec: Never rehash regular built-ins As regular (including special) built-ins can never be overridden, we should never remove them from the hash table. Signed-off-by: Herbert Xu --- src/exec.c | 15 ++++++++++----- 1 file changed, 10 insertions(+), 5 deletions(-) (limited to 'src') diff --git a/src/exec.c b/src/exec.c index 8948754..6c0a64f 100644 --- a/src/exec.c +++ b/src/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 { -- cgit 1.4.1