Re: lug-bg: "C" wapros

[luben@xxxxxxxxxxxxx (luben karavelov)]

Georgi Chorbadzhiyski wrote:
> 
> 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);
> 
> /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.

triabva da izpulniavash ne "my_script", a "/bin/sh
my_script". exec-functiiite ti
load-vat image, koito da izpulnat, kakavto yavno ne e tvyoya
script. Na purvia red
directivata !/bin/sh e directiva kym shell-a, akavto
niamash, kogato izpulniavash 
exec().
Luben
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