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#include "buf.h"
#include "core.h"
#include "libcmd/cmd.h"
#include "libcmd/cmd_parse.h"
extern file_t *g_file;
extern Buf *g_buf;
extern int g_flags;
int if_decimal(char *s, int sz)
{
int i=0;
while (i<sz)
{
//printf("%d\n",i);
if (!isdigit(s[i]))
return 0;
i++;
}
return 1;
}
int if_hex(char *s, int sz)
{
int i=0;
while (i<sz)
{
//printf("%d\n",i);
if (!isxdigit(s[i]))
return 0;
i++;
}
return 1;
}
int c_seek( cmd_arg_t *arg )
{
int fret;
int argc = arg->argc;
char **argv = arg->argv;
int *type = arg->type;
int checktype;
off_t offset;
int off_type = 0; //-1 seek down, 0 set pos, +1 seek up
if (argc != 1)
{
printf("One argument needed\n");
return -1;
}
if (g_file->fd == 0)
{
printf("File descriptor not set\n");
return -1;
}
switch( argv[0][0] )
{
case '+':
off_type = 1;
break;
case '-':
off_type = -1;
break;
default:
off_type = 0;
}
//printf("Type %d\n",type[0]);
checktype = type[0];
if (checktype == CMDT_WORD)
{
if (if_decimal(argv[0]+1,strlen(argv[0])-1))
{
checktype = CMDT_INT;
} else if (if_hex(argv[0]+3,strlen(argv[0])-3))
{
checktype = CMDT_HEX;
}
}
//check argument type and convert to offset
if (checktype == CMDT_INT)
{
if (off_type != 0)
{
offset = atoi( argv[0] ); //!fix that to strtol at least
} else
{
offset = atoi( argv[0] );
}
} else if (checktype == CMDT_HEX)
{
if (off_type != 0)
{
offset = strtol( argv[0], NULL, 16);
} else
{
offset = strtol( argv[0]+3, NULL, 16);
}
} else
{
//unsupported argument do nothing
return 0;
}
if (off_type == 0)
{
//g_file offset maybe wrong
//printf("seekp\n");
fret = file_seekp( g_file, offset );
} else
{
//printf("seek\n");
fret = file_seek( g_file, offset );
}
if ( fret < 0 )
{
printf("Cannot seek postion to %zd\n", offset);
return -1;
}
return 0;
}
int h_seek( cmd_arg_t *arg )
{
printf("[POS] - move to differnt file offset");
return 0;
}
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