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|
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define LINESIZE 128
#define MAXLEN 5
#define NBVAR 8
typedef struct
{
char *port_c;
char *server_c;
char *nick;
char *chann;
char *ident;
char *realname;
char *serv_pass;
char *chan_pass;
} cfgstruct;
int rtrcfg (cfgstruct * cfg);
int
main()
{
int cfgctrl;
cfgstruct cfgparms;
memset (&cfgparms, 0, sizeof (cfgparms));
cfgctrl = rtrcfg(&cfgparms);
return EXIT_SUCCESS;
}
int
rtrcfg (cfgstruct * cfg)
{
char varlist[NBVAR][9] =
{ "port", "server", "nick", "channel", "ident", "realname", "serv_pass",
"chan_pass"
};
FILE *cfg_file;
cfg_file = fopen ("dotcfg.dat", "r");
if (cfg_file != NULL)
{
char *line = NULL;
char *lgerline = NULL;
char *p = NULL;
int ctr = 1;
int i;
line = malloc (ctr * LINESIZE);
fpos_t laspos;
memset (&laspos, 0, sizeof (laspos));
while (fgets (line, ctr * LINESIZE, cfg_file) != NULL)
{
p = strchr (line, '\n');
if (p != NULL)
{
*p = 0;
if (fgetpos (cfg_file, &laspos) != 0)
perror ("file pos!");
}
else
{
printf ("reallocating some memory !\n");
if (ctr < MAXLEN)
{
ctr++;
lgerline = realloc (line, ctr * LINESIZE);
if (lgerline != NULL)
{
line = lgerline;
if (fsetpos (cfg_file, &laspos) != 0)
perror ("setpos failed");
}
else
perror ("couldn't alloc enough memory to line func");
}
else
printf ("line too long !\n");
}
p = strchr (line, '=');
if (p != NULL)
{
char *qualif = malloc (p - line);
char *param = malloc (strlen (p) - 1);
if (qualif != NULL && param != NULL);
{
strncpy (qualif, line, p - line);
strncpy (param, p + 1, strlen (p) - 1);
printf ("%s %s \n", qualif, param);
for (i = 0; i < NBVAR; i++)
{
if (strncmp (varlist[i], qualif, strlen (qualif) - 1) ==
0)
{
switch (i)
{
case 0:
cfg->port_c = param;
i = NBVAR;
break;
case 1:
cfg->server_c = param;
i = NBVAR;
break;
case 2:
cfg->nick = param;
i = NBVAR;
break;
case 3:
cfg->chann = param;
i = NBVAR;
break;
case 4:
cfg->ident = param;
i = NBVAR;
break;
case 5:
cfg->realname = param;
i = NBVAR;
break;
case 6:
cfg->serv_pass = param;
i = NBVAR;
break;
case 7:
cfg->chan_pass = param;
i = NBVAR;
break;
}
}
}
}
}
}
free(line);
//needed: test if everything has been allocated ...
}
return 1;
} |
