ash: implement type -p, costs less than 10 bytes

(patch by Mats Erik Andersson <mats.andersson64@comhem.se>)

diff --git a/shell/ash.c b/shell/ash.c
index 4417ee9086f815372de33aab43122b3bac5ceeb2..ed46e1c0c2fc72655b2412e1095f3932e2ebb145 100644 (file)
--- 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;
 }