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Add space-padding printf support #129

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Add space-padding printf support #129

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38 changes: 36 additions & 2 deletions saturnringlib/srl_string.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -163,7 +163,7 @@ namespace SRL
}
}
break;
case '0' : // only %0d is supported for now
case '0' : // %0d padding
{
char tmp[100] = {0};
int arg = va_arg(args, int);
Expand Down Expand Up @@ -317,7 +317,41 @@ namespace SRL

}
break;
default : //nothing
default : // space padding
{
char tmp[100] = {0};
int arg = va_arg(args, int);
//print integer into to get its lenght
int int_lenght = snprintf(tmp, 100, "%d", arg);
//get the padding requested
if(format[idx+1] != '\0')
{
int padding_req = format[idx+1] - '0';
int padding = padding_req - int_lenght;

if(padding > 0)
{
for(int i = 0 ; i < padding ; i++, writtenChars++)
{
if(writtenChars < size)
{
buffer[writtenChars] = ' ';
}
}
}

for(int jdx = 0; tmp[jdx] != 0 ; jdx++ , writtenChars++)
{
if(writtenChars < size)
{
buffer[writtenChars] = tmp[jdx];
}
}

}

idx = idx + 1;
}
break;

}
Expand Down
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