diff options
| -rw-r--r-- | shell/ash.c | 35 |
1 files changed, 20 insertions, 15 deletions
diff --git a/shell/ash.c b/shell/ash.c index ffa4019..8ff5f4c 100644 --- a/shell/ash.c +++ b/shell/ash.c @@ -1475,7 +1475,7 @@ prefix(const char *string, const char *pfx) { while (*pfx) { if (*pfx++ != *string++) - return 0; + return NULL; } return (char *) string; } @@ -6500,8 +6500,10 @@ struct builtincmd { /* unsigned flags; */ }; #define IS_BUILTIN_SPECIAL(b) ((b)->name[0] & 1) +/* "regular" bltins always take precedence over commands, + * regardless of PATH=....%builtin... position */ #define IS_BUILTIN_REGULAR(b) ((b)->name[0] & 2) -#define IS_BUILTIN_ASSIGN(b) ((b)->name[0] & 4) +#define IS_BUILTIN_ASSIGN(b) ((b)->name[0] & 4) struct cmdentry { int cmdtype; @@ -6788,10 +6790,11 @@ hashcmd(int argc, char **argv) struct cmdentry entry; char *name; - while ((c = nextopt("r")) != '\0') { + if (nextopt("r") != '\0') { clearcmdentry(0); return 0; } + if (*argptr == NULL) { for (pp = cmdtable; pp < &cmdtable[CMDTABLESIZE]; pp++) { for (cmdp = *pp; cmdp; cmdp = cmdp->next) { @@ -6801,13 +6804,16 @@ hashcmd(int argc, char **argv) } return 0; } + c = 0; while ((name = *argptr) != NULL) { cmdp = cmdlookup(name, 0); if (cmdp != NULL && (cmdp->cmdtype == CMDNORMAL - || (cmdp->cmdtype == CMDBUILTIN && builtinloc >= 0))) + || (cmdp->cmdtype == CMDBUILTIN && builtinloc >= 0)) + ) { delete_cmd_entry(); + } find_command(name, &entry, DO_ERR, pathval()); if (entry.cmdtype == CMDUNKNOWN) c = 1; @@ -6828,12 +6834,13 @@ hashcd(void) for (pp = cmdtable; pp < &cmdtable[CMDTABLESIZE]; pp++) { for (cmdp = *pp; cmdp; cmdp = cmdp->next) { - if (cmdp->cmdtype == CMDNORMAL || ( - cmdp->cmdtype == CMDBUILTIN && - !(IS_BUILTIN_REGULAR(cmdp->param.cmd)) && - builtinloc > 0 - )) + if (cmdp->cmdtype == CMDNORMAL + || (cmdp->cmdtype == CMDBUILTIN + && !IS_BUILTIN_REGULAR(cmdp->param.cmd) + && builtinloc > 0) + ) { cmdp->rehash = 1; + } } } } @@ -6845,15 +6852,14 @@ hashcd(void) * Called with interrupts off. */ static void -changepath(const char *newval) +changepath(const char *new) { - const char *old, *new; - int idx; + const char *old; int firstchange; + int idx; int idx_bltin; old = pathval(); - new = newval; firstchange = 9999; /* assume no change */ idx = 0; idx_bltin = -1; @@ -6869,9 +6875,8 @@ changepath(const char *newval) break; if (*new == '%' && idx_bltin < 0 && prefix(new + 1, "builtin")) idx_bltin = idx; - if (*new == ':') { + if (*new == ':') idx++; - } new++, old++; } if (builtinloc < 0 && idx_bltin >= 0) |