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[Confuse-devel] confuse 2.0: list of values

From: Juraj Variny
Subject: [Confuse-devel] confuse 2.0: list of values
Date: Tue, 1 Jul 2003 13:21:48 +0200
User-agent: KMail/1.5


I have a problem to make confuse distinguish whether there are some values  in 
a list or whether the option is not present at all. I use this test program:

#include <stdio.h>
#include <confuse.h>

static cfg_opt_t opts[] = {

        CFG_INT_LIST("ImageQuality", 0, 0),

int main(int argc, char**argv ){
        cfg_t *cfg;
        int n, i, status;
        cfg = cfg_init(opts, CFGF_NOCASE);
        if(argc == 2) status = cfg_parse(cfg, argv[1]);
        else exit(1);
        n = cfg_size(cfg, "ImageQuality");
        printf("Number of values:%d\n", n);
                        for(i = 0; i < n; i++)
                                long q = cfg_getnint(cfg, "ImageQuality", i);
                                printf("Value #%d :%ld\n",i+1,q);

        return status;


When given empty/commented out config file, test program prints the following:

Number of values:1
Value #1 :0

It does the same when list of values in config file is empty (i.e. 
ImageQuality = {} ).

I tried also similar program with confuse 1.2.3. Only change was opts 

static cfgopt_t opts[] = {

        CFG_INT("ImageQuality", 0, CFGF_LIST),

It behaves properly (I think), it prints just:

Number of values: 0

When there is non-empty list of values in config file, for example:

ImageQuality = {75,76,7,175}

all is OK, in all cases:

Number of values:4
Value #1 :75
Value #2 :76
Value #3 :7
Value #4 :175

I'm using Linux Mandrake 9.1 and compiled confuse myself without any flags. 
To summarize it all, I believe that in case of empty config file should 
cfg_size() return 0, as it does in confuse 1.2.3.  But in 2.0 it returns 1, 
as if there was option present with one value.

Juraj Variny

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