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Improved $display task 

Added a proper zero padding to formats like %04d
This commit is contained in:
Michael Strelnikov 2008-12-31 05:44:48 +02:00 committed by Stephen Williams
parent 5b840bcd96
commit 1fe6c1941b
1 changed files with 28 additions and 2 deletions
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30
vpi/sys_display.c
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@ -511,6 +511,7 @@ static int format_str_char(vpiHandle scope, unsigned int mcd,
return 1;
}
char *res_val_str;
if (fsize==-1){
/* simple %d parameter, or %0d parameter.
* Size is now determined by the width
@ -521,9 +522,34 @@ static int format_str_char(vpiHandle scope, unsigned int mcd,
fsize = (leading_zero==1)
? 0
: vpi_get_dec_size(argv[idx]);
}
res_val_str = strdup(value.value.str);
} else {
if(leading_zero == 1){
// case of '%04d' - padding with zeros
int abs_fsize = abs(fsize);
int res_val_str_len, res_val_str_indx=0, val_indx=0;
res_val_str_len = (strlen(value.value.str) > abs_fsize ? strlen(value.value.str) : abs_fsize) + 2;
res_val_str = malloc(sizeof(char)*res_val_str_len);
assert(res_val_str);
if(value.value.str[0] == '-'){
res_val_str[res_val_str_indx++] = '-';
val_indx++;
}
// padding with zeros (if required)
if(abs_fsize > strlen(value.value.str)) {
memset(&res_val_str[res_val_str_indx], '0', abs_fsize-strlen(value.value.str));
res_val_str_indx += abs_fsize-strlen(value.value.str);
}
// copy rest of the value
strcpy(&res_val_str[res_val_str_indx], &value.value.str[val_indx]);
} else {
// case of '%4d'
res_val_str = strdup(value.value.str);
}
}
my_mcd_printf(mcd, "%*s", fsize, value.value.str);
my_mcd_printf(mcd, "%*s", fsize, res_val_str);
free(res_val_str);
use_count = 1;
break;