1/*********************************************************************** 2* * 3* This software is part of the ast package * 4* Copyright (c) 1985-2011 AT&T Intellectual Property * 5* and is licensed under the * 6* Common Public License, Version 1.0 * 7* by AT&T Intellectual Property * 8* * 9* A copy of the License is available at * 10* http://www.opensource.org/licenses/cpl1.0.txt * 11* (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) * 12* * 13* Information and Software Systems Research * 14* AT&T Research * 15* Florham Park NJ * 16* * 17* Glenn Fowler <gsf@research.att.com> * 18* David Korn <dgk@research.att.com> * 19* Phong Vo <kpv@research.att.com> * 20* * 21***********************************************************************/ 22/* 23 * format decimal integer 24 * David Korn 25 * AT&T Research 26 */ 27 28#include <ast.h> 29 30static const char table[]= 31{ 32 "000001002003004005006007008009010011012013014015016017018019" 33 "020021022023024025026027028029030031032033034035036037038039" 34 "040041042043044045046047048049050051052053054055056057058059" 35 "060061062063064065066067068069070071072073074075076077078079" 36 "080081082083084085086087088089090091092093094095096097098099" 37 "100101102103104105106107108109110111112113114115116117118119" 38 "120121122123124125126127128129130131132133134135136137138139" 39 "140141142143144145146147148149150151152153154155156157158159" 40 "160161162163164165166167168169170171172173174175176177178179" 41 "180181182183184185186187188189190191192193194195196197198199" 42 "200201202203204205206207208209210211212213214215216217218219" 43 "220221222223224225226227228229230231232233234235236237238239" 44 "240241242243244245246247248249250251252253254255256257258259" 45 "260261262263264265266267268269270271272273274275276277278279" 46 "280281282283284285286287288289290291292293294295296297298299" 47 "300301302303304305306307308309310311312313314315316317318319" 48 "320321322323324325326327328329330331332333334335336337338339" 49 "340341342343344345346347348349350351352353354355356357358359" 50 "360361362363364365366367368369370371372373374375376377378379" 51 "380381382383384385386387388389390391392393394395396397398399" 52 "400401402403404405406407408409410411412413414415416417418419" 53 "420421422423424425426427428429430431432433434435436437438439" 54 "440441442443444445446447448449450451452453454455456457458459" 55 "460461462463464465466467468469470471472473474475476477478479" 56 "480481482483484485486487488489490491492493494495496497498499" 57 "500501502503504505506507508509510511512513514515516517518519" 58 "520521522523524525526527528529530531532533534535536537538539" 59 "540541542543544545546547548549550551552553554555556557558559" 60 "560561562563564565566567568569570571572573574575576577578579" 61 "580581582583584585586587588589590591592593594595596597598599" 62 "600601602603604605606607608609610611612613614615616617618619" 63 "620621622623624625626627628629630631632633634635636637638639" 64 "640641642643644645646647648649650651652653654655656657658659" 65 "660661662663664665666667668669670671672673674675676677678679" 66 "680681682683684685686687688689690691692693694695696697698699" 67 "700701702703704705706707708709710711712713714715716717718719" 68 "720721722723724725726727728729730731732733734735736737738739" 69 "740741742743744745746747748749750751752753754755756757758759" 70 "760761762763764765766767768769770771772773774775776777778779" 71 "780781782783784785786787788789790791792793794795796797798799" 72 "800801802803804805806807808809810811812813814815816817818819" 73 "820821822823824825826827828829830831832833834835836837838839" 74 "840841842843844845846847848849850851852853854855856857858859" 75 "860861862863864865866867868869870871872873874875876877878879" 76 "880881882883884885886887888889890891892893894895896897898899" 77 "900901902903904905906907908909910911912913914915916917918919" 78 "920921922923924925926927928929930931932933934935936937938939" 79 "940941942943944945946947948949950951952953954955956957958959" 80 "960961962963964965966967968969970971972973974975976977978979" 81 "980981982983984985986987988989990991992993994995996997998999" 82}; 83 84char* 85fmtint(intmax_t ll, int unsign) 86{ 87 char *buff; 88 uintmax_t n,m; 89 int j=0,k=3*sizeof(ll); 90 if(unsign || ll>=0) 91 n = ll; 92 else 93 { 94 n = -ll; 95 j = 1; 96 } 97 if(n<10) 98 { 99 buff = fmtbuf(k=3); 100 buff[--k] = 0; 101 buff[--k] = '0' + n; 102 goto skip; 103 } 104 buff = fmtbuf(k); 105 buff[--k] = 0; 106 do 107 { 108 k -= 3; 109 if((m=n) >= 1000) 110 m = n%1000; 111 memcpy(buff+k,table+3*m,3); 112 n /= 1000; 113 } 114 while(n>0); 115 while(buff[k]=='0') 116 k++; 117skip: 118 if(j) 119 buff[--k] = '-'; 120 return(&buff[k]); 121} 122