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

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(patch by Mats Erik Andersson <mats.andersson64@comhem.se>)
This commit is contained in:
Denis Vlasenko 2007-05-20 13:08:31 +00:00
parent 38ec147a18
commit 46846e25a4
1 changed files with 11 additions and 16 deletions
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27
shell/ash.c
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@ -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;
}