Re: Include miliseconds in logging

Stipe Tolj <st 'at' tolj.org> writes:

> Vincent CHAVANIS schrieb:
>> ++1 But,
>>
>> with a config var that allow to activate/desactivate it.
>> and by default disabled. So no compatibility breaks
>
> grrr, runtime config? No way, this means we have a "branch check (if
> statement)" for EACH log entry and even ALL debug() stdout calls.
>
> Eather we do a configure config switch --enable-millisecconds or we do
> it default. But no runtime config, as this means runtime checks.

Well, runtime config not necessarily means runtime checks, if you
use a function pointer set at config time.

-=-=---=-=---=-=---=-=---=-=---=-=---=-=--
#include <stdio.h>
#include <string.h>

void log0(char* logentry) {
    printf("log0: %s\n", logentry);
}

void log1(char* logentry) {
    printf("log1: %s\n", logentry);
}

static void (*logger)(char*);

int main (int argc, char** argv)
{
    if (!strcmp(argv[1], "log0"))
        logger = &log0;
    else
        logger = &log1;

    logger("hello world");

    return 0;
}
-=-=---=-=---=-=---=-=---=-=---=-=---=-=--

[gc@meuh /tmp] gcc -Wall t.c && ./a.out log0 && ./a.out log1
log0: hello world
log1: hello world

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