C++ (Cpp) try_set_value Examples

Example #1

File: options.c Project: bvanheu/DNDS

static int parse(struct options *opts, FILE *fp)
{
    char *p, arg[MAX_LEN];
    int line = 0, ret = 0, err = 0;

    memset(arg, 0, MAX_LEN);

    while (!feof(fp) && (ret = fscanf(fp, "\n%256[^\n]\n", arg)) != 0 && ret < MAX_LEN) {

        line++;

        if (is_comment(arg))
            continue;

        p = strstr(arg, "=");
        if (p == NULL)
            break_line(ERR_SYNTAX, line);

        *p = '\0';
        p++;

        p = trim(p);
        if (*p == 0)
            break_line(ERR_SYNTAX, line);

        err = try_set_value(p, trim(arg), opts);
        if (err > 0)
            break_line(err, line);
    }

    if (ret > MAX_LEN) {
        jlog(L_NOTICE, "option]> the line %i is longer than %i :: %s:%i",
             line, MAX_LEN, __FILE__, __LINE__);
        return ERR_ERRNO;
    }

    if (ret == EOF) {
        jlog(L_NOTICE, "option]> unexpected error %s :: %s:%i",
             strerror(errno), __FILE__, __LINE__);
        return ERR_ERRNO;
    }

    return 0;
}

Example #2

File: options.c Project: nicboul/xia

static int parse(struct options *opts, FILE *fp)
{
	journal_strace("parse");

    char *p, arg[MAX_LEN];
    int line = 0, ret = 0, err = 0;

    memset(arg, 0, MAX_LEN);

    /* XXX What if a line is longer than 256 ? */
    while (!feof(fp) && (ret = fscanf(fp, "\n%255[^\n]\n", arg)) != 0) {

	    line++;

	    if (is_comment(arg))
		    continue;

	    p = strstr(arg, "=");
	    if (p == NULL)
		    break_line(ERR_SYNTAX, line);

	    *p = '\0'; p++;

	    p = trim(p);
	    if (*p == 0)
		    break_line(ERR_SYNTAX, line);

	    err = try_set_value(p, trim(arg), opts);
	    if (err > 0)
		    break_line(err, line);
    }

    if (ret == 0) /* fscanf() failed */
	    return ERR_ERRNO;

    return 0;
}