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| author | Denis Vlasenko | 2007-05-20 13:08:31 +0000 |
|---|---|---|
| committer | Denis Vlasenko | 2007-05-20 13:08:31 +0000 |
| commit | 46846e25a416464bac64939680628a2c0215b850 (patch) | |
| tree | b85ca7e4e21b2495acf0775dbfa148a781819def | |
| parent | 38ec147a181cc2b5d160d98ee20bb9aacc5de9eb (diff) | |
| download | busybox-46846e25a416464bac64939680628a2c0215b850.zip busybox-46846e25a416464bac64939680628a2c0215b850.tar.gz | |
ash: implement type -p, costs less than 10 bytes
(patch by Mats Erik Andersson <mats.andersson64@comhem.se>)
| -rw-r--r-- | shell/ash.c | 27 |
1 files changed, 11 insertions, 16 deletions
diff --git a/shell/ash.c b/shell/ash.c index 4417ee9..ed46e1c 100644 --- a/shell/ash.c +++ b/shell/ash.c @@ -6892,14 +6892,8 @@ findkwd(const char *s) /* * Locate and print what a word is... */ -#if ENABLE_ASH_CMDCMD static int describe_command(char *command, int describe_command_verbose) -#else -#define describe_command_verbose 1 -static int -describe_command(char *command) -#endif { struct cmdentry entry; struct tblentry *cmdp; @@ -6922,13 +6916,12 @@ describe_command(char *command) /* Then look at the aliases */ ap = lookupalias(command, 0); if (ap != NULL) { - if (describe_command_verbose) { - out1fmt(" is an alias for %s", ap->val); - } else { + if (!describe_command_verbose) { out1str("alias "); printalias(ap); return 0; } + out1fmt(" is an alias for %s", ap->val); goto out; } #endif @@ -6997,15 +6990,17 @@ describe_command(char *command) static int typecmd(int argc, char **argv) { - int i; + int i = 1; int err = 0; + int verbose = 1; - for (i = 1; i < argc; i++) { -#if ENABLE_ASH_CMDCMD - err |= describe_command(argv[i], 1); -#else - err |= describe_command(argv[i]); -#endif + /* type -p ... ? (we don't bother checking for 'p') */ + if (argv[1][0] == '-') { + i++; + verbose = 0; + } + while (i < argc) { + err |= describe_command(argv[i++], verbose); } return err; } |