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From: Cyril Hrubis <chrubis@suse.cz>
To: ltp@lists.linux.it
Subject: [LTP] [PATCH 2/2] Use SAFE_RUNCMD()
Date: Wed, 25 Mar 2020 00:51:51 +0100	[thread overview]
Message-ID: <20200324235150.GC4521@yuki.lan> (raw)
In-Reply-To: <20200323160415.GC15673@dell5510>

Hi!
> Something like this would work on whole PATH.
> It's just a question if we want to use it.
> 
> int tst_cmd_available(char *cmd)
> {
> 	char *dup = strdup(getenv("PATH"));
> 	char *s = dup;
> 	char *p = NULL;
> 	int ret = 0;
>     char path[PATH_MAX];
> 
> 	do {
> 		p = strchr(s, ':');
> 		if (p != NULL) {
> 			p[0] = 0;
> 		}
> 		snprintf(path, PATH_MAX, "%s/%s", s, cmd);
> 
> 		if (!access(path, X_OK)) {
> 			ret = 1;
> 			break;
> 		}
> 		s = p + 1;
> 	} while (p != NULL);
> 
> 	free(dup);
> 	return ret;
> }

We already do have tst_get_path() that does more or less the same.

Also if we are going to add this functionality it should be added as an
.needs_cmds array in the tst_test structure.

-- 
Cyril Hrubis
chrubis@suse.cz

  reply	other threads:[~2020-03-24 23:51 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-20 13:49 [LTP] [PATCH 1/2] lib: Implement SAFE_RUN() macro (new API only) Petr Vorel
2020-03-20 13:49 ` [LTP] [PATCH 2/2] Use SAFE_RUNCMD() Petr Vorel
2020-03-23  3:13   ` Yang Xu
2020-03-23  9:04     ` Petr Vorel
2020-03-23  9:10   ` Li Wang
2020-03-23  9:52     ` Yang Xu
2020-03-23 11:37       ` Petr Vorel
2020-03-23 13:42         ` Li Wang
2020-03-23 14:32           ` Li Wang
2020-03-23 16:04             ` Petr Vorel
2020-03-24 23:51               ` Cyril Hrubis [this message]
2020-03-24 17:21                 ` Petr Vorel
2020-03-25  1:53                   ` Cyril Hrubis
2020-03-24 18:55                     ` Petr Vorel
2020-03-25  5:56                       ` Li Wang
2020-03-25  5:30                     ` Li Wang
2020-03-25 17:07                       ` Cyril Hrubis
2020-03-25  9:34                         ` Petr Vorel
2020-03-25 10:03                           ` Cyril Hrubis
2020-03-25 15:40                             ` Petr Vorel
2020-03-25 10:42                           ` Yang Xu
2020-03-25 15:56                             ` Petr Vorel
2020-03-26  5:27                               ` Li Wang
2020-03-26  8:03                               ` Yang Xu
2020-03-23 15:49           ` Petr Vorel
2020-03-24  6:27             ` Li Wang
2020-03-23  2:43 ` [LTP] [PATCH 1/2] lib: Implement SAFE_RUN() macro (new API only) Yang Xu
2020-03-23  9:20   ` Petr Vorel

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