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fixing: %0b format prints nothing for a 0 input 

the following example returns ||. This patch fixes it to return |0|.
module t();
wire [3:0] b;
initial
    $monitor("|%0b|", b);
assign b = 0;
endmodule
This commit is contained in:
Purdea Andrei 2009-03-19 05:27:48 +02:00 committed by Stephen Williams
parent be158dd45f
commit c9d2400dd0
1 changed files with 2 additions and 2 deletions
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4
vpi/sys_display.c
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@ -328,7 +328,7 @@ static unsigned int get_format_char(char **rtn, int ljust, int plus,
if (ld_zero == 1) {
/* Strip the leading zeros if a width is not given. */
if (width == -1) while (*cp == '0') cp++;
if (width == -1) while (*cp == '0' && *(cp+1) != '\0') cp++;
/* Pad with leading zeros. */
else if (ljust == 0 && (signed)swidth < width) {
unsigned pad = (unsigned)width - swidth;
@ -337,7 +337,7 @@ static unsigned int get_format_char(char **rtn, int ljust, int plus,
strcpy(cp+pad, value.value.str);
free_flag = 1;
/* For a left aligned value also strip the leading zeros. */
} else if (ljust != 0) while (*cp == '0') cp++;
} else if (ljust != 0) while (*cp == '0' && *(cp+1) != '\0') cp++;
}
/* If a width was not given, use a width of zero. */