code:

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// gcc -Wall test.c -lauto
#include <proto/exec.h>
#include <proto/utility.h>
#include <stdarg.h>
#include <stdio.h>

STRPTR PASPrintf(STRPTR, void *, CONST_STRPTR, void *);
STRPTR VARARGS68K VPASPrintf(STRPTR, void *, CONST_STRPTR,  ...);

void main()
{
    void *StringPool = 0;
    STRPTR test = 0;

    StringPool = IExec->AllocSysObjectTags(ASOT_MEMPOOL,
                                           ASOPOOL_MFlags, MEMF_ANY|MEMF_PRIVATE,
                                           ASOPOOL_Puddle, 2024,
                                           ASOPOOL_Threshold, 2016,
                                           TAG_DONE);
    test = IExec->AllocVecPooled(StringPool, 6);
    test[0] = 'T';
    test[1] = 'E';
    test[2] = 'S';
    test[3] = 'T';
    test[4] = 'n';
    test[5] = 0;
    test = VPASPrintf(test, StringPool, "Irgendwas: %ldn", 122343);
    if(test)
        printf(test);
    else
        printf("NULL Zeiger!n");

    IExec->FreeSysObject(ASOT_MEMPOOL, (APTR)StringPool);
}

STRPTR VARARGS68K
VPASPrintf(STRPTR old, void *pool,CONST_STRPTR format, ...)
{
 va_list ap;
    STRPTR ret = 0;
    void *args;

 va_startlinear (ap, format);
    args = va_getlinearva(ap, void *);

 ret = PASPrintf(old, pool, format, args);
 va_end(ap);

    return ret;
}

STRPTR PASPrintf(STRPTR old, void *pool, CONST_STRPTR format, void *args)
{
    LONG size = 0;
    if(old)
    {
        IExec->FreeVecPooled(pool, old);
        old = NULL;
    }
    size = IUtility->SNPrintf(NULL, 1, format, args);
    old = IExec->AllocVecPooled(pool, size);
    if(old)
        IUtility->SNPrintf(old, size, format, args);
    return old;
}

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code:

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#include <stdio.h>
#include <stdarg.h>
#include <amiga_compiler.h>

VARARGS68K void printargs (long n,...)

{
va_list ap;
char **args;
long i;

va_startlinear (ap,n);
args = va_getlinearva (ap,char **);

for (i = 0; i < n; i++)
	{
	printf ("arg %ld = <%s>n",i+1,args[i]);
	}
}

int main (void)

{
printargs (3,"a","b","c");

return(0);
}

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[ - Answer - Quote - Direct link - ]

Zitat:

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Warum machst du es denn gleich so kompliziert ?

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Weil ich das gerade für ein Projekt brauche, und mir das drumherum gar nicht so kompliziert vorkommt...

Zitat:

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Fang doch mit etwas einfachem an, bis du verstanden hast, wie's funktioniert.

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