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/** \file print_help.c
Print help message for the specified command
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "print_help.h"
#define CMD_LEN 1024
#define HELP_ERR "Could not show help message\n"
void print_help( char *c, int fd )
{
char cmd[ CMD_LEN];
int printed = snprintf( cmd, CMD_LEN, "fish -c '__fish_print_help %s >&%d'", c, fd );
if( printed < CMD_LEN )
{
if( (system( cmd ) == -1) )
{
write_loop(2, HELP_ERR, strlen(HELP_ERR));
}
}
}
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