/* Scan through whitespace in the current buffer (read more if required) */
STATICFNDEF char *scan_space(FILE *handle, char *buff, char *buffptr, char *buff_top)
{
char *fgets_rc;
while (TRUE)
{
for (; (buffptr < buff_top) && (ISSPACE_ASCII(*buffptr)); buffptr++)
;
if (buffptr < buff_top)
return buffptr; /* first non-whitespace character */
if (NEWLINE == *(buffptr - 1))
return EOL_REACHED;
/* current buffer is exhausted and we haven't seen a newline; read more */
FGETS_FILE(buff, MAX_READ_SZ, handle, fgets_rc);
if (NULL == fgets_rc)
break;
buffptr = buff;
buff_top = buffptr + STRLEN(buff);
}
return EOF_REACHED;
}
int cli_get_string_token(int *eof)
{
int arg_no, token_len, in_len;
char *from, *to;
IN_PARMS *new_cli_lex_in_ptr;
assert(cli_lex_in_ptr);
/* Reading from program argument list */
if (cli_lex_in_ptr->argc > 1 && cli_lex_in_ptr->tp == 0)
{
cli_lex_in_ptr->tp = cli_lex_in_ptr->in_str;
arg_no = 1;
/* convert arguments into array */
while(arg_no < cli_lex_in_ptr->argc)
{
if (arg_no > 1)
strcat(cli_lex_in_ptr->in_str, " ");
if (strlen(cli_lex_in_ptr->in_str) + strlen(cli_lex_in_ptr->argv[arg_no]) > MAX_LINE)
break;
if (cli_has_space(cli_lex_in_ptr->argv[arg_no]))
{
from = cli_lex_in_ptr->argv[arg_no++];
to = cli_lex_in_ptr->in_str + strlen(cli_lex_in_ptr->in_str) - 1;
*to++ = '\"';
while(*from != '\0')
{
if ('\"' == *from)
*to++ = *from;
*to++ = *from++;
}
*to++ = '\"';
*to = '\0';
} else
strcat(cli_lex_in_ptr->in_str, cli_lex_in_ptr->argv[arg_no++]);
}
}
if (NULL == cli_lex_in_ptr->tp || strlen(cli_lex_in_ptr->tp) < 1)
{
cli_token_buf[0] = '\0';
FGETS_FILE(cli_token_buf, MAX_LINE, stdin, cli_lex_in_ptr->tp);
if (NULL != cli_lex_in_ptr->tp)
{
in_len = strlen(cli_token_buf);
if (cli_lex_in_ptr->buflen < in_len)
{
new_cli_lex_in_ptr = (IN_PARMS *)malloc(sizeof(IN_PARMS) + in_len);
new_cli_lex_in_ptr->argc = cli_lex_in_ptr->argc;
new_cli_lex_in_ptr->argv = cli_lex_in_ptr->argv;
new_cli_lex_in_ptr->buflen = in_len;
free(cli_lex_in_ptr);
cli_lex_in_ptr = new_cli_lex_in_ptr;
}
memcpy(cli_lex_in_ptr->in_str, cli_token_buf, in_len);
cli_lex_in_ptr->in_str[in_len - 1] = '\0';
cli_lex_in_ptr->tp = cli_lex_in_ptr->in_str; /* Repoint to new home from cli_token_buf */
*eof = 0;
} else
{
*eof = EOF;
return (0);
}
}
token_len = tok_string_extract();
*eof = (cli_lex_in_ptr->argc > 1 && token_len == 0);
return token_len;
}