Кресты / Говнокод #9725 Ссылка на оригинал

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// Array below is for faster processing of variable length fields with ascii length.
// Varbuut sho var arii initcializeet dinamiski. 
char an[1000][3] = 
{
	{'0','0','0'},{'0','0','1'},{'0','0','2'},{'0','0','3'},{'0','0','4'},{'0','0','5'},{'0','0','6'},{'0','0','7'},{'0','0','8'},{'0','0','9'},
	{'0','1','0'},{'0','1','1'},{'0','1','2'},{'0','1','3'},{'0','1','4'},{'0','1','5'},{'0','1','6'},{'0','1','7'},{'0','1','8'},{'0','1','9'},
	{'0','2','0'},{'0','2','1'},{'0','2','2'},{'0','2','3'},{'0','2','4'},{'0','2','5'},{'0','2','6'},{'0','2','7'},{'0','2','8'},{'0','2','9'},
	{'0','3','0'},{'0','3','1'},{'0','3','2'},{'0','3','3'},{'0','3','4'},{'0','3','5'},{'0','3','6'},{'0','3','7'},{'0','3','8'},{'0','3','9'},
// 84 lines deleted
	{'8','8','0'},{'8','8','1'},{'8','8','2'},{'8','8','3'},{'8','8','4'},{'8','8','5'},{'8','8','6'},{'8','8','7'},{'8','8','8'},{'8','8','9'},
	{'9','0','0'},{'9','0','1'},{'9','0','2'},{'9','0','3'},{'9','0','4'},{'9','0','5'},{'9','0','6'},{'9','0','7'},{'9','0','8'},{'9','0','9'},
// 6 lines deleted
	{'9','7','0'},{'9','7','1'},{'9','7','2'},{'9','7','3'},{'9','7','4'},{'9','7','5'},{'9','7','6'},{'9','7','7'},{'9','7','8'},{'9','7','9'},
	{'9','8','0'},{'9','8','1'},{'9','8','2'},{'9','8','3'},{'9','8','4'},{'9','8','5'},{'9','8','6'},{'9','8','7'},{'9','8','8'},{'9','8','9'}
};

			int ll = f->cfg.len_len;
			long dl = f->data_len;
			// Prepare length
			if ( NULL == dst )
			{
				dst_len = f->data_len + ll + 1 ;
				dst = (char*) malloc ( dst_len );
			}
			else
			//if( dst_len < ll + dl )
			if( dst_len < (unsigned) (ll + dl) )
			{
				// TO DOO - error should be processed
				break;
			}
			long i2;
			if ( ll < 2 )
			{
				dst[0]=an[dl][2];
			}
			else if ( ll < 3 )
			{
				dst[0]=an[dl][1];
				dst[1]=an[dl][2];
			}
			else if ( ll < 4 )
			{
				dst[0]=an[dl][0];
				dst[1]=an[dl][1];
				dst[2]=an[dl][2];
			}
			else if ( ll < 5 )
			{
				i2 = dl / 1000;
				dst[0]=an[i2][2];
				i2 = dl % 1000;
				dst[3]=an[i2][2];
				dst[2]=an[i2][1];
				dst[1]=an[i2][0];
			}
			else if ( ll < 6 )
			{
				i2 = dl / 1000;
				dst[0]=an[i2][1];
				dst[1]=an[i2][2];
				i2 = dl % 1000;
				dst[4]=an[i2][2];
				dst[3]=an[i2][1];
				dst[2]=an[i2][0];
			}
			else
			{
				// General case
				for ( int k = ll  ; k > 0  ; k-- )
				{
					dst[k-1] ='0' + dl % 10;
					dl/=10;
				}
			}

			dst[dl]=0;

This is a faster version of itoa() or sprintf(str,"%d",value)...
Unfortunately it has a bug - lines of array with numbers 890-899 and 990-999 is missing.

Запостил: wtfcode wtfcode, (Updated )

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