Re: lug-bg: "C" wapros

[vsulov@xxxxxxxxx (Vladimir Sulov)]

----- Original Message -----
From: "Georgi Chorbadzhiyski" <gf@xxxxxxxxxx>
To: <lug-bg@xxxxxxxxxxxxxxxxxx>
Sent: Tuesday, May 16, 2000 7:01 PM
Subject: lug-bg: "C" wapros

>
> Ako mozhe niakoi po svetnat da pomogne. Imam slednata programa
>
> #
> # funkciikata e orezana versia ot  pppd
> #
> int run_program(prog, args, must_exist, done, arg)
>     char *prog;
>     char **args;
>     int must_exist;
>     void (*done) __P((void *));
>     void *arg;
> {
>     int pid;
>
>     pid = fork();
>     if (pid == -1) {
>         log(L_ERR, "Failed to create child process for %s", prog);
>         return -1;
>     }
>     if (pid == 0) {
>         /* run the program */
>         execvp(prog, args);
>         if (must_exist || errno != ENOENT) {
>             /* have to reopen the log, there's nowhere else
>                for the message to go. */
>             log(L_ERR, "Can't execute: %s error: %u", prog, errno);
>         }
>         _exit(-1);
>     }
>     return pid;
> }
>
>
> wikam si funkciikata taka:
>
>     run_program("/usr/local/my_script", exec_buf, 0, NULL, NULL);

Kakvo imash v exec_buf, kogato vikash?
Bi sledvalo da imash masiv ot char* - parametri, kato posledniyat da e NULL,
a ako ne iskash parametri - oshte parviyat da e NULL, no ne i exec_buf da e
NULL.

>
> /usr/local/my_script sadyrzha:
>
>     #!/bin/sh
>     echo raboti! >> /tmp/proba
>
>
> Wsichko ok obache, kato go wikna tova   run_program i waw log-a
> mi pishe:
>
>     can't execute: /usr/local/my_script error: 14
>
> kogato skript-a ne e izpalnim msg-to e:
>
>     can't execute: /usr/local/my_script error: 13
>
> Kakvo oznachavat tezi i greshki i kakvo sam obyrkal ??
>
>
> Georgi Chorbadzhiyski
> System Administrator
> Cybercom Ltd.
>
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Zagora

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