/* 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;
}
/* Skip white space */
STATICFNDEF char *exttab_scan_space(char *c)
{
for ( ; ISSPACE_ASCII(*c); c++, ext_source_column++)
;
return c;
}
