[avr-gcc-list] string array in program memory

[Jan Spurny]

avr-gcc 3.0.3 - I am using this code:

----------------------------------------------------------------------------
const char mzNone[] PROGMEM     = "[none]";
const char mz50[] PROGMEM       = "[ 50 ]";
const char mz100[] PROGMEM      = "[100 ]";

PGM_P choices[3] PROGMEM = {mzZrusC, mz50, mz100};
----------------------------------------------------------------------------

to make "menu" which is displayed on LCD display and changed by pressing one 
button, but when I use this array:

----------------------------------------------------------------------------
void disp_progmem_str(PGM_P str)
{
        char tmpBuf[64];
        strcpy_P(tmpBuf, str);
        display(tmpBuf, 0);
}

void press_button_1()
{
        ...
        choice = choice + 1;
        if (choice == 3)
                choice = 0;
        disp_progmem_str(choices[choice]);
        ...
}
----------------------------------------------------------------------------

all I get is total mess... I was using allmost the same code, but with strings 
stored in ram and it worked well (except, of course, it was eating too much 
memory and it become corrupted often)

any suggestions?