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|00000020| 6f 6d 3a 20 70 61 75 6c | 40 76 69 78 2e 63 6f 6d |om: paul|@vix.com|
|00000030| 20 28 50 61 75 6c 20 56 | 69 78 69 65 29 0a 53 75 | (Paul V|ixie).Su|
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|00000050| 52 45 50 4f 53 54 20 41 | 56 4c 20 54 72 65 65 20 |REPOST A|VL Tree |
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|000047b0| 09 09 4d 53 47 28 22 6b | 65 79 20 6e 6f 74 20 69 |..MSG("k|ey not i|
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|000047d0| 28 46 41 4c 53 45 29 0a | 58 09 7d 0a 58 0a 58 09 |(FALSE).|X.}.X.X.|
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|00004810| 29 3b 0a 58 09 69 66 20 | 28 69 5f 63 6f 6d 70 20 |);.X.if |(i_comp |
|00004820| 3e 20 30 29 20 7b 0a 58 | 09 09 4d 53 47 28 22 74 |> 0) {.X|..MSG("t|
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|00004890| 70 69 5f 62 61 6c 61 6e | 63 65 2c 20 70 69 5f 75 |pi_balan|ce, pi_u|
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|000048d0| 20 70 69 5f 62 61 6c 61 | 6e 63 65 29 3b 0a 58 09 | pi_bala|nce);.X.|
|000048e0| 7d 0a 58 09 65 6c 73 65 | 20 69 66 20 28 69 5f 63 |}.X.else| if (i_c|
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|00004940| 66 69 5f 63 6f 6d 70 61 | 72 65 2c 20 70 5f 75 73 |fi_compa|re, p_us|
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|00004960| 09 09 09 09 70 69 5f 62 | 61 6c 61 6e 63 65 2c 20 |....pi_b|alance, |
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|000049b0| 3b 0a 58 09 7d 0a 58 09 | 65 6c 73 65 20 7b 0a 58 |;.X.}.X.|else {.X|
|000049c0| 09 09 4d 53 47 28 22 65 | 71 75 61 6c 22 29 0a 58 |..MSG("e|qual").X|
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|000049f0| 65 65 5f 72 20 3d 3d 20 | 4e 55 4c 4c 29 20 7b 0a |ee_r == |NULL) {.|
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|00004a10| 75 62 74 72 65 65 20 6e | 75 6c 6c 22 29 0a 58 09 |ubtree n|ull").X.|
|00004a20| 09 09 2a 70 70 72 5f 70 | 20 3d 20 70 72 5f 71 2d |..*ppr_p| = pr_q-|
|00004a30| 3e 74 72 65 65 5f 6c 3b | 0a 58 09 09 09 2a 70 69 |>tree_l;|.X...*pi|
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|00004a60| 20 28 70 72 5f 71 2d 3e | 74 72 65 65 5f 6c 20 3d | (pr_q->|tree_l =|
|00004a70| 3d 20 4e 55 4c 4c 29 20 | 7b 0a 58 09 09 09 4d 53 |= NULL) |{.X...MS|
|00004a80| 47 28 22 72 69 67 68 74 | 20 73 75 62 74 72 65 65 |G("right| subtree|
|00004a90| 20 6e 6f 6e 2d 6e 75 6c | 6c 2c 20 6c 65 66 74 20 | non-nul|l, left |
|00004aa0| 73 75 62 74 72 65 65 20 | 6e 75 6c 6c 22 29 0a 58 |subtree |null").X|
|00004ab0| 09 09 09 2a 70 70 72 5f | 70 20 3d 20 70 72 5f 71 |...*ppr_|p = pr_q|
|00004ac0| 2d 3e 74 72 65 65 5f 72 | 3b 0a 58 09 09 09 2a 70 |->tree_r|;.X...*p|
|00004ad0| 69 5f 62 61 6c 61 6e 63 | 65 20 3d 20 54 52 55 45 |i_balanc|e = TRUE|
|00004ae0| 3b 0a 58 09 09 7d 0a 58 | 09 09 65 6c 73 65 20 7b |;.X..}.X|..else {|
|00004af0| 0a 58 09 09 09 4d 53 47 | 28 22 6e 65 69 74 68 65 |.X...MSG|("neithe|
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|00004b10| 0a 58 09 09 09 64 65 6c | 28 26 70 72 5f 71 2d 3e |.X...del|(&pr_q->|
|00004b20| 74 72 65 65 5f 6c 2c 20 | 70 69 5f 62 61 6c 61 6e |tree_l, |pi_balan|
|00004b30| 63 65 2c 20 26 70 72 5f | 71 2c 20 70 66 76 5f 75 |ce, &pr_|q, pfv_u|
|00004b40| 61 72 2c 0a 58 09 09 09 | 09 09 09 09 09 70 69 5f |ar,.X...|.....pi_|
|00004b50| 75 61 72 5f 63 61 6c 6c | 65 64 29 3b 0a 58 09 09 |uar_call|ed);.X..|
|00004b60| 09 69 66 20 28 2a 70 69 | 5f 62 61 6c 61 6e 63 65 |.if (*pi|_balance|
|00004b70| 29 0a 58 09 09 09 09 62 | 61 6c 5f 4c 28 70 70 72 |).X....b|al_L(ppr|
|00004b80| 5f 70 2c 20 70 69 5f 62 | 61 6c 61 6e 63 65 29 3b |_p, pi_b|alance);|
|00004b90| 0a 58 09 09 7d 0a 58 09 | 09 69 66 20 28 21 2a 70 |.X..}.X.|.if (!*p|
|00004ba0| 69 5f 75 61 72 5f 63 61 | 6c 6c 65 64 20 26 26 20 |i_uar_ca|lled && |
|00004bb0| 70 66 76 5f 75 61 72 29 | 0a 58 09 09 09 28 2a 70 |pfv_uar)|.X...(*p|
|00004bc0| 66 76 5f 75 61 72 29 28 | 70 72 5f 71 2d 3e 74 72 |fv_uar)(|pr_q->tr|
|00004bd0| 65 65 5f 70 29 3b 0a 58 | 09 09 66 72 65 65 28 70 |ee_p);.X|..free(p|
|00004be0| 72 5f 71 29 3b 09 2f 2a | 20 74 68 61 6e 6b 73 20 |r_q);./*| thanks |
|00004bf0| 74 6f 20 77 75 74 68 40 | 63 61 73 74 72 6f 76 2e |to wuth@|castrov.|
|00004c00| 63 75 63 2e 61 62 2e 63 | 61 20 2a 2f 0a 58 09 09 |cuc.ab.c|a */.X..|
|00004c10| 69 5f 72 65 74 20 3d 20 | 54 52 55 45 3b 0a 58 09 |i_ret = |TRUE;.X.|
|00004c20| 7d 0a 58 09 45 58 49 54 | 28 69 5f 72 65 74 29 0a |}.X.EXIT|(i_ret).|
|00004c30| 58 7d 0a 58 0a 58 0a 58 | 73 74 61 74 69 63 20 76 |X}.X.X.X|static v|
|00004c40| 6f 69 64 0a 58 64 65 6c | 28 70 70 72 5f 72 2c 20 |oid.Xdel|(ppr_r, |
|00004c50| 70 69 5f 62 61 6c 61 6e | 63 65 2c 20 70 70 72 5f |pi_balan|ce, ppr_|
|00004c60| 71 2c 20 70 66 76 5f 75 | 61 72 2c 20 70 69 5f 75 |q, pfv_u|ar, pi_u|
|00004c70| 61 72 5f 63 61 6c 6c 65 | 64 29 0a 58 09 74 72 65 |ar_calle|d).X.tre|
|00004c80| 65 09 2a 2a 70 70 72 5f | 72 3b 0a 58 09 69 6e 74 |e.**ppr_|r;.X.int|
|00004c90| 09 2a 70 69 5f 62 61 6c | 61 6e 63 65 3b 0a 58 09 |.*pi_bal|ance;.X.|
|00004ca0| 74 72 65 65 09 2a 2a 70 | 70 72 5f 71 3b 0a 58 09 |tree.**p|pr_q;.X.|
|00004cb0| 76 6f 69 64 09 28 2a 70 | 66 76 5f 75 61 72 29 28 |void.(*p|fv_uar)(|
|00004cc0| 29 3b 0a 58 09 69 6e 74 | 09 2a 70 69 5f 75 61 72 |);.X.int|.*pi_uar|
|00004cd0| 5f 63 61 6c 6c 65 64 3b | 0a 58 7b 0a 58 09 45 4e |_called;|.X{.X.EN|
|00004ce0| 54 45 52 28 22 64 65 6c | 22 29 0a 58 0a 58 09 69 |TER("del|").X.X.i|
|00004cf0| 66 20 28 28 2a 70 70 72 | 5f 72 29 2d 3e 74 72 65 |f ((*ppr|_r)->tre|
|00004d00| 65 5f 72 20 21 3d 20 4e | 55 4c 4c 29 20 7b 0a 58 |e_r != N|ULL) {.X|
|00004d10| 09 09 64 65 6c 28 26 28 | 2a 70 70 72 5f 72 29 2d |..del(&(|*ppr_r)-|
|00004d20| 3e 74 72 65 65 5f 72 2c | 20 70 69 5f 62 61 6c 61 |>tree_r,| pi_bala|
|00004d30| 6e 63 65 2c 20 70 70 72 | 5f 71 2c 0a 58 09 09 20 |nce, ppr|_q,.X.. |
|00004d40| 20 20 20 70 66 76 5f 75 | 61 72 2c 20 70 69 5f 75 |   pfv_u|ar, pi_u|
|00004d50| 61 72 5f 63 61 6c 6c 65 | 64 29 3b 0a 58 09 09 69 |ar_calle|d);.X..i|
|00004d60| 66 20 28 2a 70 69 5f 62 | 61 6c 61 6e 63 65 29 0a |f (*pi_b|alance).|
|00004d70| 58 09 09 09 62 61 6c 5f | 52 28 70 70 72 5f 72 2c |X...bal_|R(ppr_r,|
|00004d80| 20 70 69 5f 62 61 6c 61 | 6e 63 65 29 3b 0a 58 09 | pi_bala|nce);.X.|
|00004d90| 7d 20 65 6c 73 65 20 7b | 0a 58 09 09 69 66 20 28 |} else {|.X..if (|
|00004da0| 70 66 76 5f 75 61 72 29 | 0a 58 09 09 09 28 2a 70 |pfv_uar)|.X...(*p|
|00004db0| 66 76 5f 75 61 72 29 28 | 28 2a 70 70 72 5f 71 29 |fv_uar)(|(*ppr_q)|
|00004dc0| 2d 3e 74 72 65 65 5f 70 | 29 3b 0a 58 09 09 2a 70 |->tree_p|);.X..*p|
|00004dd0| 69 5f 75 61 72 5f 63 61 | 6c 6c 65 64 20 3d 20 54 |i_uar_ca|lled = T|
|00004de0| 52 55 45 3b 0a 58 09 09 | 28 2a 70 70 72 5f 71 29 |RUE;.X..|(*ppr_q)|
|00004df0| 2d 3e 74 72 65 65 5f 70 | 20 3d 20 28 2a 70 70 72 |->tree_p| = (*ppr|
|00004e00| 5f 72 29 2d 3e 74 72 65 | 65 5f 70 3b 0a 58 09 09 |_r)->tre|e_p;.X..|
|00004e10| 2a 70 70 72 5f 71 20 3d | 20 2a 70 70 72 5f 72 3b |*ppr_q =| *ppr_r;|
|00004e20| 0a 58 09 09 2a 70 70 72 | 5f 72 20 3d 20 28 2a 70 |.X..*ppr|_r = (*p|
|00004e30| 70 72 5f 72 29 2d 3e 74 | 72 65 65 5f 6c 3b 0a 58 |pr_r)->t|ree_l;.X|
|00004e40| 09 09 2a 70 69 5f 62 61 | 6c 61 6e 63 65 20 3d 20 |..*pi_ba|lance = |
|00004e50| 54 52 55 45 3b 0a 58 09 | 7d 0a 58 0a 58 09 45 58 |TRUE;.X.|}.X.X.EX|
|00004e60| 49 54 56 0a 58 7d 0a 58 | 0a 58 0a 58 73 74 61 74 |ITV.X}.X|.X.Xstat|
|00004e70| 69 63 20 76 6f 69 64 0a | 58 62 61 6c 5f 4c 28 70 |ic void.|Xbal_L(p|
|00004e80| 70 72 5f 70 2c 20 70 69 | 5f 62 61 6c 61 6e 63 65 |pr_p, pi|_balance|
|00004e90| 29 0a 58 09 74 72 65 65 | 09 2a 2a 70 70 72 5f 70 |).X.tree|.**ppr_p|
|00004ea0| 3b 0a 58 09 69 6e 74 09 | 2a 70 69 5f 62 61 6c 61 |;.X.int.|*pi_bala|
|00004eb0| 6e 63 65 3b 0a 58 7b 0a | 58 09 74 72 65 65 09 2a |nce;.X{.|X.tree.*|
|00004ec0| 70 31 2c 20 2a 70 32 3b | 0a 58 09 69 6e 74 09 62 |p1, *p2;|.X.int.b|
|00004ed0| 31 2c 20 62 32 3b 0a 58 | 0a 58 09 45 4e 54 45 52 |1, b2;.X|.X.ENTER|
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|00004f00| 20 73 68 72 75 6e 6b 22 | 29 0a 58 0a 58 09 73 77 | shrunk"|).X.X.sw|
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|00004f80| 3b 0a 58 09 63 61 73 65 | 20 30 3a 09 4d 53 47 28 |;.X.case| 0:.MSG(|
|00004f90| 22 77 61 73 20 6f 6b 61 | 79 2c 20 69 73 20 6e 6f |"was oka|y, is no|
|00004fa0| 77 20 6f 6e 65 20 6f 66 | 66 22 29 0a 58 09 09 28 |w one of|f").X..(|
|00004fb0| 2a 70 70 72 5f 70 29 2d | 3e 74 72 65 65 5f 62 20 |*ppr_p)-|>tree_b |
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|00004ff0| 09 4d 53 47 28 22 77 61 | 73 20 61 6c 72 65 61 64 |.MSG("wa|s alread|
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|00005010| 6f 6f 20 6d 75 63 68 22 | 29 0a 58 09 09 70 31 20 |oo much"|).X..p1 |
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|00005030| 5f 72 3b 0a 58 09 09 62 | 31 20 3d 20 70 31 2d 3e |_r;.X..b|1 = p1->|
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|00005050| 31 20 3e 3d 20 30 29 20 | 7b 0a 58 09 09 09 4d 53 |1 >= 0) |{.X...MS|
|00005060| 47 28 22 73 69 6e 67 6c | 65 20 52 52 22 29 0a 58 |G("singl|e RR").X|
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|000050a0| 20 3d 20 2a 70 70 72 5f | 70 3b 0a 58 09 09 09 69 | = *ppr_|p;.X...i|
|000050b0| 66 20 28 62 31 20 3d 3d | 20 30 29 20 7b 0a 58 09 |f (b1 ==| 0) {.X.|
|000050c0| 09 09 09 4d 53 47 28 22 | 62 31 20 3d 3d 20 30 22 |...MSG("|b1 == 0"|
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|00005110| 6e 63 65 20 3d 20 46 41 | 4c 53 45 3b 0a 58 09 09 |nce = FA|LSE;.X..|
|00005120| 09 7d 20 65 6c 73 65 20 | 7b 0a 58 09 09 09 09 4d |.} else |{.X....M|
|00005130| 53 47 28 22 62 31 20 21 | 3d 20 30 22 29 0a 58 09 |SG("b1 !|= 0").X.|
|00005140| 09 09 09 28 2a 70 70 72 | 5f 70 29 2d 3e 74 72 65 |...(*ppr|_p)->tre|
|00005150| 65 5f 62 20 3d 20 30 3b | 0a 58 09 09 09 09 70 31 |e_b = 0;|.X....p1|
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|00005190| 0a 58 09 09 09 4d 53 47 | 28 22 64 6f 75 62 6c 65 |.X...MSG|("double|
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|000051b0| 31 2d 3e 74 72 65 65 5f | 6c 3b 0a 58 09 09 09 62 |1->tree_|l;.X...b|
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|00005560| 29 20 7b 0a 58 09 09 09 | 09 4d 53 47 28 22 62 31 |) {.X...|.MSG("b1|
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|000055a0| 65 5f 62 20 3d 20 31 3b | 0a 58 09 09 09 09 2a 70 |e_b = 1;|.X....*p|
|000055b0| 69 5f 62 61 6c 61 6e 63 | 65 20 3d 20 46 41 4c 53 |i_balanc|e = FALS|
|000055c0| 45 3b 0a 58 09 09 09 7d | 20 65 6c 73 65 20 7b 0a |E;.X...}| else {.|
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|000055e0| 30 22 29 0a 58 09 09 09 | 09 28 2a 70 70 72 5f 70 |0").X...|.(*ppr_p|
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|00005600| 09 09 09 09 70 31 2d 3e | 74 72 65 65 5f 62 20 3d |....p1->|tree_b =|
|00005610| 20 30 3b 0a 58 09 09 09 | 7d 0a 58 09 09 09 2a 70 | 0;.X...|}.X...*p|
|00005620| 70 72 5f 70 20 3d 20 70 | 31 3b 0a 58 09 09 7d 20 |pr_p = p|1;.X..} |
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|00005670| 65 65 5f 62 3b 0a 58 09 | 09 09 70 31 2d 3e 74 72 |ee_b;.X.|..p1->tr|
|00005680| 65 65 5f 72 20 3d 20 70 | 32 2d 3e 74 72 65 65 5f |ee_r = p|2->tree_|
|00005690| 6c 3b 0a 58 09 09 09 70 | 32 2d 3e 74 72 65 65 5f |l;.X...p|2->tree_|
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|000056f0| 3d 20 2d 31 29 0a 58 09 | 09 09 09 28 2a 70 70 72 |= -1).X.|...(*ppr|
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|00005720| 2a 70 70 72 5f 70 29 2d | 3e 74 72 65 65 5f 62 20 |*ppr_p)-|>tree_b |
|00005730| 3d 20 30 3b 0a 58 09 09 | 09 69 66 20 28 62 32 20 |= 0;.X..|.if (b2 |
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|00005750| 72 65 65 5f 62 20 3d 20 | 2d 31 3b 0a 58 09 09 09 |ree_b = |-1;.X...|
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|00005770| 65 65 5f 62 20 3d 20 30 | 3b 0a 58 09 09 09 2a 70 |ee_b = 0|;.X...*p|
|00005780| 70 72 5f 70 20 3d 20 70 | 32 3b 0a 58 09 09 09 70 |pr_p = p|2;.X...p|
|00005790| 32 2d 3e 74 72 65 65 5f | 62 20 3d 20 30 3b 0a 58 |2->tree_|b = 0;.X|
|000057a0| 09 09 7d 0a 58 09 7d 0a | 58 09 45 58 49 54 56 0a |..}.X.}.|X.EXITV.|
|000057b0| 58 7d 0a 45 4e 44 5f 4f | 46 5f 46 49 4c 45 0a 69 |X}.END_O|F_FILE.i|
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|000057d0| 20 60 77 63 20 2d 63 20 | 3c 27 74 72 65 65 2e 63 | `wc -c |<'tree.c|
|000057e0| 27 60 3b 20 74 68 65 6e | 0a 20 20 20 20 65 63 68 |'`; then|.    ech|
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|00005830| 2e 63 27 0a 66 69 0a 69 | 66 20 74 65 73 74 20 2d |.c'.fi.i|f test -|
|00005840| 66 20 27 74 5f 74 72 74 | 65 73 74 2e 63 27 20 2d |f 't_trt|est.c' -|
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|00005860| 20 3b 20 74 68 65 6e 20 | 0a 20 20 65 63 68 6f 20 | ; then |.  echo |
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|00005880| 6c 6f 62 62 65 72 20 65 | 78 69 73 74 69 6e 67 20 |lobber e|xisting |
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|000058b0| 73 68 61 72 3a 20 45 78 | 74 72 61 63 74 69 6e 67 |shar: Ex|tracting|
|000058c0| 20 5c 22 27 74 5f 74 72 | 74 65 73 74 2e 63 27 5c | \"'t_tr|test.c'\|
|000058d0| 22 20 5c 28 32 32 34 35 | 20 63 68 61 72 61 63 74 |" \(2245| charact|
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|00005900| 20 3c 3c 27 45 4e 44 5f | 4f 46 5f 46 49 4c 45 27 | <<'END_|OF_FILE'|
|00005910| 0a 58 2f 2a 20 74 5f 74 | 72 74 65 73 74 20 2d 20 |.X/* t_t|rtest - |
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|00005940| 32 34 6a 75 6c 38 37 20 | 5b 64 6f 63 75 6d 65 6e |24jul87 |[documen|
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|00005980| 20 32 32 6a 61 6e 39 33 | 20 5b 72 65 76 69 73 69 | 22jan93| [revisi|
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|000059c0| 58 0a 58 23 69 66 6e 64 | 65 66 20 4c 49 4e 54 0a |X.X#ifnd|ef LINT.|
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|000059e0| 69 64 5b 5d 20 3d 20 22 | 24 49 64 3a 22 3b 0a 58 |id[] = "|$Id:";.X|
|000059f0| 23 65 6e 64 69 66 0a 58 | 0a 58 23 64 65 66 69 6e |#endif.X|.X#defin|
|00005a00| 65 20 4d 41 49 4e 0a 58 | 0a 58 23 69 6e 63 6c 75 |e MAIN.X|.X#inclu|
|00005a10| 64 65 20 3c 73 74 64 69 | 6f 2e 68 3e 0a 58 23 69 |de <stdi|o.h>.X#i|
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|00005a40| 64 6c 69 62 2e 68 3e 0a | 58 23 69 6e 63 6c 75 64 |dlib.h>.|X#includ|
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|00005a70| 0a 58 0a 58 73 74 61 74 | 69 63 20 76 6f 69 64 09 |.X.Xstat|ic void.|
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|00005ac0| 5f 50 28 20 28 74 72 65 | 65 20 2a 2c 20 69 6e 74 |_P( (tre|e *, int|
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|00005ae0| 09 63 6f 6d 70 61 72 09 | 09 5f 5f 50 28 20 28 63 |.compar.|.__P( (c|
|00005af0| 68 61 72 20 2a 2c 20 63 | 68 61 72 20 2a 29 20 29 |har *, c|har *) )|
|00005b00| 3b 0a 58 73 74 61 74 69 | 63 20 76 6f 69 64 09 64 |;.Xstati|c void.d|
|00005b10| 75 61 72 09 09 5f 5f 50 | 28 20 28 63 68 61 72 20 |uar..__P|( (char |
|00005b20| 2a 29 20 29 3b 0a 58 73 | 74 61 74 69 63 20 63 68 |*) );.Xs|tatic ch|
|00005b30| 61 72 09 2a 73 61 76 65 | 73 74 72 09 5f 5f 50 28 |ar.*save|str.__P(|
|00005b40| 20 28 63 68 61 72 20 2a | 29 20 29 3b 0a 58 0a 58 | (char *|) );.X.X|
|00005b50| 0a 58 69 6e 74 0a 58 6d | 61 69 6e 28 29 0a 58 7b |.Xint.Xm|ain().X{|
|00005b60| 0a 58 09 74 72 65 65 09 | 2a 74 3b 0a 58 09 63 68 |.X.tree.|*t;.X.ch|
|00005b70| 61 72 09 6c 69 6e 65 5b | 31 30 30 5d 3b 0a 58 0a |ar.line[|100];.X.|
|00005b80| 58 09 74 72 65 65 5f 69 | 6e 69 74 28 26 74 29 3b |X.tree_i|nit(&t);|
|00005b90| 0a 58 09 77 68 69 6c 65 | 20 28 70 72 69 6e 74 66 |.X.while| (printf|
|00005ba0| 28 22 6b 65 79 20 28 6f | 72 20 2e 29 3a 20 20 22 |("key (o|r .):  "|
|00005bb0| 29 2c 20 67 65 74 73 28 | 6c 69 6e 65 29 2c 20 6c |), gets(|line), l|
|00005bc0| 69 6e 65 5b 30 5d 20 21 | 3d 20 27 2e 27 29 0a 58 |ine[0] !|= '.').X|
|00005bd0| 09 7b 0a 58 09 09 69 66 | 20 28 73 74 72 6e 63 6d |.{.X..if| (strncm|
|00005be0| 70 28 6c 69 6e 65 2c 20 | 22 7e 72 20 22 2c 20 33 |p(line, |"~r ", 3|
|00005bf0| 29 29 20 7b 0a 58 09 09 | 09 74 72 74 65 73 74 28 |)) {.X..|.trtest(|
|00005c00| 26 74 2c 20 6c 69 6e 65 | 2c 20 31 29 3b 0a 58 09 |&t, line|, 1);.X.|
|00005c10| 09 7d 0a 58 09 09 65 6c | 73 65 20 7b 0a 58 09 09 |.}.X..el|se {.X..|
|00005c20| 09 46 49 4c 45 20 2a 66 | 3b 0a 58 0a 58 09 09 09 |.FILE *f|;.X.X...|
|00005c30| 69 66 20 28 21 28 66 20 | 3d 20 66 6f 70 65 6e 28 |if (!(f |= fopen(|
|00005c40| 26 6c 69 6e 65 5b 33 5d | 2c 20 22 72 22 29 29 29 |&line[3]|, "r")))|
|00005c50| 0a 58 09 09 09 09 70 65 | 72 72 6f 72 28 26 6c 69 |.X....pe|rror(&li|
|00005c60| 6e 65 5b 33 5d 29 3b 0a | 58 09 09 09 65 6c 73 65 |ne[3]);.|X...else|
|00005c70| 20 7b 0a 58 09 09 09 09 | 77 68 69 6c 65 20 28 66 | {.X....|while (f|
|00005c80| 67 65 74 73 28 6c 69 6e | 65 2c 20 31 30 30 2c 20 |gets(lin|e, 100, |
|00005c90| 66 29 29 20 7b 0a 58 09 | 09 09 09 09 6c 69 6e 65 |f)) {.X.|....line|
|00005ca0| 5b 73 74 72 6c 65 6e 28 | 6c 69 6e 65 29 2d 31 5d |[strlen(|line)-1]|
|00005cb0| 20 3d 20 27 5c 30 27 3b | 0a 58 09 09 09 09 09 70 | = '\0';|.X.....p|
|00005cc0| 72 69 6e 74 66 28 22 28 | 25 73 29 5c 6e 22 2c 20 |rintf("(|%s)\n", |
|00005cd0| 6c 69 6e 65 29 3b 0a 58 | 09 09 09 09 09 74 72 74 |line);.X|.....trt|
|00005ce0| 65 73 74 28 26 74 2c 20 | 6c 69 6e 65 2c 20 30 29 |est(&t, |line, 0)|
|00005cf0| 3b 0a 58 09 09 09 09 7d | 0a 58 09 09 09 09 66 63 |;.X....}|.X....fc|
|00005d00| 6c 6f 73 65 28 66 29 3b | 0a 58 09 09 09 7d 0a 58 |lose(f);|.X...}.X|
|00005d10| 09 09 7d 0a 58 09 7d 0a | 58 09 72 65 74 75 72 6e |..}.X.}.|X.return|
|00005d20| 20 30 3b 0a 58 7d 0a 58 | 0a 58 73 74 61 74 69 63 | 0;.X}.X|.Xstatic|
|00005d30| 20 76 6f 69 64 0a 58 74 | 72 74 65 73 74 28 74 74 | void.Xt|rtest(tt|
|00005d40| 2c 20 6c 69 6e 65 2c 20 | 69 6e 74 65 72 29 0a 58 |, line, |inter).X|
|00005d50| 09 74 72 65 65 09 2a 2a | 74 74 3b 0a 58 09 63 68 |.tree.**|tt;.X.ch|
|00005d60| 61 72 09 2a 6c 69 6e 65 | 3b 0a 58 09 69 6e 74 09 |ar.*line|;.X.int.|
|00005d70| 69 6e 74 65 72 3b 0a 58 | 7b 0a 58 09 63 68 61 72 |inter;.X|{.X.char|
|00005d80| 09 6f 70 74 73 5b 31 30 | 30 5d 2c 20 2a 70 63 2c |.opts[10|0], *pc,|
|00005d90| 20 2a 6e 3b 0a 58 09 69 | 6e 74 09 6f 70 74 2c 20 | *n;.X.i|nt.opt, |
|00005da0| 73 74 61 74 75 73 3b 0a | 58 0a 58 09 70 63 20 3d |status;.|X.X.pc =|
|00005db0| 20 74 72 65 65 5f 73 72 | 63 68 28 74 74 2c 20 63 | tree_sr|ch(tt, c|
|00005dc0| 6f 6d 70 61 72 2c 20 6c | 69 6e 65 29 3b 0a 58 09 |ompar, l|ine);.X.|
|00005dd0| 70 72 69 6e 74 66 28 22 | 74 72 65 65 5f 73 72 63 |printf("|tree_src|
|00005de0| 68 3d 25 78 5c 6e 22 2c | 20 28 75 6e 73 69 67 6e |h=%x\n",| (unsign|
|00005df0| 65 64 29 70 63 29 3b 0a | 58 09 69 66 20 28 70 63 |ed)pc);.|X.if (pc|
|00005e00| 29 0a 58 09 7b 0a 58 09 | 09 70 72 69 6e 74 66 28 |).X.{.X.|.printf(|
|00005e10| 22 20 20 20 20 20 3c 25 | 73 3e 5c 6e 22 2c 20 70 |"     <%|s>\n", p|
|00005e20| 63 29 3b 0a 58 0a 58 09 | 09 69 66 20 28 69 6e 74 |c);.X.X.|.if (int|
|00005e30| 65 72 29 20 7b 0a 58 09 | 09 09 70 72 69 6e 74 66 |er) {.X.|..printf|
|00005e40| 28 22 64 65 6c 65 74 65 | 3f 20 22 29 3b 20 67 65 |("delete|? "); ge|
|00005e50| 74 73 28 6f 70 74 73 29 | 3b 20 6f 70 74 20 3d 20 |ts(opts)|; opt = |
|00005e60| 28 6f 70 74 73 5b 30 5d | 3d 3d 27 79 27 29 3b 0a |(opts[0]|=='y');.|
|00005e70| 58 09 09 7d 0a 58 09 09 | 65 6c 73 65 0a 58 09 09 |X..}.X..|else.X..|
|00005e80| 09 6f 70 74 20 3d 20 31 | 3b 0a 58 0a 58 09 09 69 |.opt = 1|;.X.X..i|
|00005e90| 66 20 28 6f 70 74 29 20 | 7b 0a 58 09 09 09 73 74 |f (opt) |{.X...st|
|00005ea0| 61 74 75 73 20 3d 20 74 | 72 65 65 5f 64 65 6c 65 |atus = t|ree_dele|
|00005eb0| 74 65 28 74 74 2c 20 63 | 6f 6d 70 61 72 2c 20 6c |te(tt, c|ompar, l|
|00005ec0| 69 6e 65 2c 20 64 75 61 | 72 29 3b 0a 58 09 09 09 |ine, dua|r);.X...|
|00005ed0| 70 72 69 6e 74 66 28 22 | 64 65 6c 65 74 65 3d 25 |printf("|delete=%|
|00005ee0| 64 5c 6e 22 2c 20 73 74 | 61 74 75 73 29 3b 0a 58 |d\n", st|atus);.X|
|00005ef0| 09 09 7d 0a 58 09 7d 0a | 58 09 65 6c 73 65 0a 58 |..}.X.}.|X.else.X|
|00005f00| 09 7b 0a 58 09 09 69 66 | 20 28 69 6e 74 65 72 29 |.{.X..if| (inter)|
|00005f10| 20 7b 0a 58 09 09 09 70 | 72 69 6e 74 66 28 22 61 | {.X...p|rintf("a|
|00005f20| 64 64 3f 20 22 29 3b 20 | 67 65 74 73 28 6f 70 74 |dd? "); |gets(opt|
|00005f30| 73 29 3b 20 6f 70 74 20 | 3d 20 28 6f 70 74 73 5b |s); opt |= (opts[|
|00005f40| 30 5d 3d 3d 27 79 27 29 | 3b 0a 58 09 09 7d 0a 58 |0]=='y')|;.X..}.X|
|00005f50| 09 09 65 6c 73 65 0a 58 | 09 09 09 6f 70 74 20 3d |..else.X|...opt =|
|00005f60| 20 31 3b 0a 58 0a 58 09 | 09 69 66 20 28 6f 70 74 | 1;.X.X.|.if (opt|
|00005f70| 29 20 7b 0a 58 09 09 09 | 63 68 61 72 09 2a 73 61 |) {.X...|char.*sa|
|00005f80| 76 65 73 74 72 28 29 3b | 0a 58 0a 58 09 09 09 6e |vestr();|.X.X...n|
|00005f90| 20 3d 20 73 61 76 65 73 | 74 72 28 6c 69 6e 65 29 | = saves|tr(line)|
|00005fa0| 3b 0a 58 09 09 09 74 72 | 65 65 5f 61 64 64 28 74 |;.X...tr|ee_add(t|
|00005fb0| 74 2c 20 63 6f 6d 70 61 | 72 2c 20 6e 2c 20 64 75 |t, compa|r, n, du|
|00005fc0| 61 72 29 3b 0a 58 09 09 | 7d 0a 58 09 7d 0a 58 09 |ar);.X..|}.X.}.X.|
|00005fd0| 74 72 65 65 5f 74 72 61 | 76 31 28 2a 74 74 2c 20 |tree_tra|v1(*tt, |
|00005fe0| 30 29 3b 0a 58 7d 0a 58 | 0a 58 73 74 61 74 69 63 |0);.X}.X|.Xstatic|
|00005ff0| 20 76 6f 69 64 0a 58 74 | 72 65 65 5f 74 72 61 76 | void.Xt|ree_trav|
|00006000| 31 28 74 2c 20 6c 29 0a | 58 09 74 72 65 65 09 2a |1(t, l).|X.tree.*|
|00006010| 74 3b 0a 58 09 69 6e 74 | 09 6c 3b 0a 58 7b 0a 58 |t;.X.int|.l;.X{.X|
|00006020| 09 69 6e 74 09 69 3b 0a | 58 0a 58 09 69 66 20 28 |.int.i;.|X.X.if (|
|00006030| 21 74 29 20 72 65 74 75 | 72 6e 3b 0a 58 09 74 72 |!t) retu|rn;.X.tr|
|00006040| 65 65 5f 74 72 61 76 31 | 28 74 2d 3e 74 72 65 65 |ee_trav1|(t->tree|
|00006050| 5f 6c 2c 20 6c 2b 31 29 | 3b 0a 58 09 66 6f 72 20 |_l, l+1)|;.X.for |
|00006060| 28 69 3d 30 3b 20 20 69 | 3c 6c 3b 20 20 69 2b 2b |(i=0;  i|<l;  i++|
|00006070| 29 20 70 72 69 6e 74 66 | 28 22 20 20 22 29 3b 0a |) printf|("  ");.|
|00006080| 58 09 70 72 69 6e 74 66 | 28 22 25 30 38 6c 78 20 |X.printf|("%08lx |
|00006090| 28 25 73 29 5c 6e 22 2c | 20 28 75 6e 73 69 67 6e |(%s)\n",| (unsign|
|000060a0| 65 64 29 74 2d 3e 74 72 | 65 65 5f 70 2c 20 28 63 |ed)t->tr|ee_p, (c|
|000060b0| 68 61 72 2a 29 74 2d 3e | 74 72 65 65 5f 70 29 3b |har*)t->|tree_p);|
|000060c0| 0a 58 09 74 72 65 65 5f | 74 72 61 76 31 28 74 2d |.X.tree_|trav1(t-|
|000060d0| 3e 74 72 65 65 5f 72 2c | 20 6c 2b 31 29 3b 0a 58 |>tree_r,| l+1);.X|
|000060e0| 7d 09 0a 58 09 0a 58 73 | 74 61 74 69 63 20 76 6f |}..X..Xs|tatic vo|
|000060f0| 69 64 0a 58 64 75 61 72 | 28 70 63 29 0a 58 09 63 |id.Xduar|(pc).X.c|
|00006100| 68 61 72 20 2a 70 63 3b | 0a 58 7b 0a 58 09 70 72 |har *pc;|.X{.X.pr|
|00006110| 69 6e 74 66 28 22 64 75 | 61 72 20 63 61 6c 6c 65 |intf("du|ar calle|
|00006120| 64 2c 20 70 63 3d 25 30 | 38 58 3a 20 3c 25 73 3e |d, pc=%0|8X: <%s>|
|00006130| 5c 6e 22 2c 20 28 75 6e | 73 69 67 6e 65 64 29 70 |\n", (un|signed)p|
|00006140| 63 2c 20 70 63 3f 70 63 | 3a 22 22 29 3b 0a 58 09 |c, pc?pc|:"");.X.|
|00006150| 66 72 65 65 28 70 63 29 | 3b 0a 58 7d 0a 58 0a 58 |free(pc)|;.X}.X.X|
|00006160| 73 74 61 74 69 63 20 69 | 6e 74 0a 58 63 6f 6d 70 |static i|nt.Xcomp|
|00006170| 61 72 28 6c 2c 20 72 29 | 0a 58 09 63 68 61 72 20 |ar(l, r)|.X.char |
|00006180| 2a 6c 2c 20 2a 72 3b 0a | 58 7b 0a 58 09 70 72 69 |*l, *r;.|X{.X.pri|
|00006190| 6e 74 66 28 22 63 6f 6d | 70 61 72 28 25 73 2c 25 |ntf("com|par(%s,%|
|000061a0| 73 29 3d 25 64 5c 6e 22 | 2c 20 6c 2c 20 72 2c 20 |s)=%d\n"|, l, r, |
|000061b0| 73 74 72 63 6d 70 28 6c | 2c 20 72 29 29 3b 0a 58 |strcmp(l|, r));.X|
|000061c0| 09 72 65 74 75 72 6e 20 | 73 74 72 63 6d 70 28 6c |.return |strcmp(l|
|000061d0| 2c 20 72 29 3b 0a 58 7d | 0a 58 0a 58 73 74 61 74 |, r);.X}|.X.Xstat|
|000061e0| 69 63 20 63 68 61 72 20 | 2a 0a 58 73 61 76 65 73 |ic char |*.Xsaves|
|000061f0| 74 72 28 73 74 72 29 0a | 58 09 63 68 61 72 09 2a |tr(str).|X.char.*|
|00006200| 73 74 72 3b 0a 58 7b 0a | 58 09 63 68 61 72 09 2a |str;.X{.|X.char.*|
|00006210| 73 61 76 65 3b 0a 58 0a | 58 09 73 61 76 65 20 3d |save;.X.|X.save =|
|00006220| 20 6d 61 6c 6c 6f 63 28 | 73 74 72 6c 65 6e 28 73 | malloc(|strlen(s|
|00006230| 74 72 29 20 2b 20 31 29 | 3b 0a 58 09 73 74 72 63 |tr) + 1)|;.X.strc|
|00006240| 70 79 28 73 61 76 65 2c | 20 73 74 72 29 3b 0a 58 |py(save,| str);.X|
|00006250| 09 72 65 74 75 72 6e 20 | 73 61 76 65 3b 0a 58 7d |.return |save;.X}|
|00006260| 0a 45 4e 44 5f 4f 46 5f | 46 49 4c 45 0a 69 66 20 |.END_OF_|FILE.if |
|00006270| 74 65 73 74 20 32 32 34 | 35 20 2d 6e 65 20 60 77 |test 224|5 -ne `w|
|00006280| 63 20 2d 63 20 3c 27 74 | 5f 74 72 74 65 73 74 2e |c -c <'t|_trtest.|
|00006290| 63 27 60 3b 20 74 68 65 | 6e 0a 20 20 20 20 65 63 |c'`; the|n.    ec|
|000062a0| 68 6f 20 73 68 61 72 3a | 20 5c 22 27 74 5f 74 72 |ho shar:| \"'t_tr|
|000062b0| 74 65 73 74 2e 63 27 5c | 22 20 75 6e 70 61 63 6b |test.c'\|" unpack|
|000062c0| 65 64 20 77 69 74 68 20 | 77 72 6f 6e 67 20 73 69 |ed with |wrong si|
|000062d0| 7a 65 21 0a 66 69 0a 23 | 20 65 6e 64 20 6f 66 20 |ze!.fi.#| end of |
|000062e0| 27 74 5f 74 72 74 65 73 | 74 2e 63 27 0a 66 69 0a |'t_trtes|t.c'.fi.|
|000062f0| 69 66 20 74 65 73 74 20 | 2d 66 20 27 74 72 65 65 |if test |-f 'tree|
|00006300| 2e 68 27 20 2d 61 20 22 | 24 7b 31 7d 22 20 21 3d |.h' -a "|${1}" !=|
|00006310| 20 22 2d 63 22 20 3b 20 | 74 68 65 6e 20 0a 20 20 | "-c" ; |then .  |
|00006320| 65 63 68 6f 20 73 68 61 | 72 3a 20 57 69 6c 6c 20 |echo sha|r: Will |
|00006330| 6e 6f 74 20 63 6c 6f 62 | 62 65 72 20 65 78 69 73 |not clob|ber exis|
|00006340| 74 69 6e 67 20 66 69 6c | 65 20 5c 22 27 74 72 65 |ting fil|e \"'tre|
|00006350| 65 2e 68 27 5c 22 0a 65 | 6c 73 65 0a 65 63 68 6f |e.h'\".e|lse.echo|
|00006360| 20 73 68 61 72 3a 20 45 | 78 74 72 61 63 74 69 6e | shar: E|xtractin|
|00006370| 67 20 5c 22 27 74 72 65 | 65 2e 68 27 5c 22 20 5c |g \"'tre|e.h'\" \|
|00006380| 28 38 32 35 20 63 68 61 | 72 61 63 74 65 72 73 5c |(825 cha|racters\|
|00006390| 29 0a 73 65 64 20 22 73 | 2f 5e 58 2f 2f 22 20 3e |).sed "s|/^X//" >|
|000063a0| 27 74 72 65 65 2e 68 27 | 20 3c 3c 27 45 4e 44 5f |'tree.h'| <<'END_|
|000063b0| 4f 46 5f 46 49 4c 45 27 | 0a 58 2f 2a 20 74 72 65 |OF_FILE'|.X/* tre|
|000063c0| 65 2e 68 20 2d 20 64 65 | 63 6c 61 72 65 20 73 74 |e.h - de|clare st|
|000063d0| 72 75 63 74 75 72 65 73 | 20 75 73 65 64 20 62 79 |ructures| used by|
|000063e0| 20 74 72 65 65 2e 63 0a | 58 20 2a 20 76 69 78 20 | tree.c.|X * vix |
|000063f0| 32 37 6a 75 6e 38 36 20 | 5b 62 72 6f 6b 65 6e 20 |27jun86 |[broken |
+--------+-------------------------+-------------------------+--------+--------+