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1.1 ! root 1: # To unbundle, sh this file ! 2: echo mkfile 1>&2 ! 3: sed 's/.//' >mkfile <<'//GO.SYSIN DD mkfile' ! 4: -CC=lcc ! 5: - ! 6: -sum: sum.o sumr.o sum5.o sum32.o ! 7: - $CC $CFLAGS -o $target $prereq ! 8: - ! 9: -sum.bundle:D: mkfile sum.c sumr.c sum5.c sum32.c ! 10: - bundle $prereq > $target ! 11: //GO.SYSIN DD mkfile ! 12: echo sum.c 1>&2 ! 13: sed 's/.//' >sum.c <<'//GO.SYSIN DD sum.c' ! 14: -#include <stdio.h> ! 15: -#include <stddef.h> ! 16: - ! 17: -#define NSUMS 100 ! 18: -int BSIZE = 1024; ! 19: - ! 20: -char *myname; ! 21: -typedef long Sumfn(long, char *, int); ! 22: -extern Sumfn sumr, sum5, sum32; ! 23: -static int sumfile(char *, Sumfn *); ! 24: - ! 25: -static void ! 26: -usage() ! 27: -{ ! 28: - fprintf(stderr, "Usage: %s [-ir5] [files]\n", myname); ! 29: - exit(1); ! 30: -} ! 31: - ! 32: -main(int argc, char **argv) ! 33: -{ ! 34: - int iflag = 0; ! 35: - int exitcode = 0; ! 36: - int c; ! 37: - char buf[4096]; ! 38: - Sumfn *fn = sum32; ! 39: - extern int optind; ! 40: - ! 41: - myname = argv[0]; ! 42: - while((c = getopt(argc, argv, "ir5")) != -1) ! 43: - switch(c) ! 44: - { ! 45: - case 'i': iflag = 1; break; ! 46: - case 'r': fn = sumr; break; ! 47: - case '5': fn = sum5; break; ! 48: - case '?': usage(); break; ! 49: - } ! 50: - ! 51: - if(iflag){ ! 52: - while(fgets(buf, sizeof buf, stdin) != NULL){ ! 53: - if(c = strlen(buf)){ ! 54: - buf[c-1] = 0; ! 55: - exitcode |= sumfile(buf, fn); ! 56: - } ! 57: - } ! 58: - } else if(optind < argc){ ! 59: - while(optind < argc) ! 60: - exitcode |= sumfile(argv[optind++], fn); ! 61: - } else ! 62: - exitcode |= sumfile((char *)0, fn); ! 63: - exit(exitcode); ! 64: -} ! 65: - ! 66: -static int ! 67: -sumfile(char *path, Sumfn *fn) ! 68: -{ ! 69: - int fd; ! 70: - int n; ! 71: - long sum; ! 72: - int fsize; ! 73: - char buf[64*1024]; ! 74: - ! 75: - if(path){ ! 76: - if((fd = open(path, 0)) < 0){ ! 77: - fprintf(stderr, "%s: ", myname); ! 78: - perror(path); ! 79: - return(1); ! 80: - } ! 81: - } else ! 82: - fd = 0; ! 83: - fsize = 0; ! 84: - sum = 0; ! 85: - while((n = read(fd, buf, sizeof buf)) > 0){ ! 86: - fsize += n; ! 87: - sum = (*fn)(sum, buf, n); ! 88: - } ! 89: - if(n < 0){ ! 90: - fprintf(stderr, "%s: %s: ", myname, path? path:"<standard input>"); ! 91: - perror("read"); ! 92: - if(path) ! 93: - close(fd); ! 94: - return(1); ! 95: - } ! 96: - if(path) ! 97: - close(fd); ! 98: - (*fn)(sum, (char *)0, fsize); ! 99: - if(path) ! 100: - printf(" %s", path); ! 101: - putchar('\n'); ! 102: - fflush(stdout); ! 103: - return(0); ! 104: -} ! 105: //GO.SYSIN DD sum.c ! 106: echo sumr.c 1>&2 ! 107: sed 's/.//' >sumr.c <<'//GO.SYSIN DD sumr.c' ! 108: -#define BSIZE 1024 /* research! */ ! 109: - ! 110: -int ! 111: -sumr(register long sum, char *buf, int n) ! 112: -{ ! 113: - register unsigned char *s, *send; ! 114: - ! 115: - if(buf == 0){ ! 116: - sum &= 0xFFFF; ! 117: - printf("%05u%6ld", sum, (n + (BSIZE - 1)) / BSIZE); ! 118: - return(0); ! 119: - } ! 120: - for(s = (unsigned char *)buf, send = s+n; s < send; s++) ! 121: - if (sum & 1) ! 122: - sum = 0xffff & ((sum>>1) + *s + 0x8000); ! 123: - else ! 124: - sum = 0xffff & ((sum>>1) + *s); ! 125: - return(sum); ! 126: -} ! 127: //GO.SYSIN DD sumr.c ! 128: echo sum5.c 1>&2 ! 129: sed 's/.//' >sum5.c <<'//GO.SYSIN DD sum5.c' ! 130: -#define BSIZE 512 /* system 5 */ ! 131: - ! 132: -int ! 133: -sum5(register long sum, char *buf, int n) ! 134: -{ ! 135: - register unsigned char *s, *send; ! 136: - ! 137: - if(buf == 0){ ! 138: - sum = ((sum>>16)+sum&0xFFFF)&0xFFFF; ! 139: - printf("%05u%6ld", sum, (n + (BSIZE - 1)) / BSIZE); ! 140: - return(0); ! 141: - } ! 142: - for(s = (unsigned char *)buf, send = s+n; s < send; s++) ! 143: - sum += 0xffff & *s; ! 144: - return(sum); ! 145: -} ! 146: //GO.SYSIN DD sum5.c ! 147: echo sum32.c 1>&2 ! 148: sed 's/.//' >sum32.c <<'//GO.SYSIN DD sum32.c' ! 149: -/* ! 150: - * CRC 035556101440 ! 151: - */ ! 152: -static unsigned long crc_table[256] = { ! 153: - 0x0, 0x9073096, 0x120e612c, 0x1b0951ba, 0xff6dc419, 0xf66af48f, 0xed63a535, 0xe46495a3, ! 154: - 0xfedb8832, 0xf7dcb8a4, 0xecd5e91e, 0xe5d2d988, 0x1b64c2b, 0x8b17cbd, 0x13b82d07, 0x1abf1d91, ! 155: - 0xfdb71064, 0xf4b020f2, 0xefb97148, 0xe6be41de, 0x2dad47d, 0xbdde4eb, 0x10d4b551, 0x19d385c7, ! 156: - 0x36c9856, 0xa6ba8c0, 0x1162f97a, 0x1865c9ec, 0xfc015c4f, 0xf5066cd9, 0xee0f3d63, 0xe7080df5, ! 157: - 0xfb6e20c8, 0xf269105e, 0xe96041e4, 0xe0677172, 0x403e4d1, 0xd04d447, 0x160d85fd, 0x1f0ab56b, ! 158: - 0x5b5a8fa, 0xcb2986c, 0x17bbc9d6, 0x1ebcf940, 0xfad86ce3, 0xf3df5c75, 0xe8d60dcf, 0xe1d13d59, ! 159: - 0x6d930ac, 0xfde003a, 0x14d75180, 0x1dd06116, 0xf9b4f4b5, 0xf0b3c423, 0xebba9599, 0xe2bda50f, ! 160: - 0xf802b89e, 0xf1058808, 0xea0cd9b2, 0xe30be924, 0x76f7c87, 0xe684c11, 0x15611dab, 0x1c662d3d, ! 161: - 0xf6dc4190, 0xffdb7106, 0xe4d220bc, 0xedd5102a, 0x9b18589, 0xb6b51f, 0x1bbfe4a5, 0x12b8d433, ! 162: - 0x807c9a2, 0x100f934, 0x1a09a88e, 0x130e9818, 0xf76a0dbb, 0xfe6d3d2d, 0xe5646c97, 0xec635c01, ! 163: - 0xb6b51f4, 0x26c6162, 0x196530d8, 0x1062004e, 0xf40695ed, 0xfd01a57b, 0xe608f4c1, 0xef0fc457, ! 164: - 0xf5b0d9c6, 0xfcb7e950, 0xe7beb8ea, 0xeeb9887c, 0xadd1ddf, 0x3da2d49, 0x18d37cf3, 0x11d44c65, ! 165: - 0xdb26158, 0x4b551ce, 0x1fbc0074, 0x16bb30e2, 0xf2dfa541, 0xfbd895d7, 0xe0d1c46d, 0xe9d6f4fb, ! 166: - 0xf369e96a, 0xfa6ed9fc, 0xe1678846, 0xe860b8d0, 0xc042d73, 0x5031de5, 0x1e0a4c5f, 0x170d7cc9, ! 167: - 0xf005713c, 0xf90241aa, 0xe20b1010, 0xeb0c2086, 0xf68b525, 0x66f85b3, 0x1d66d409, 0x1461e49f, ! 168: - 0xedef90e, 0x7d9c998, 0x1cd09822, 0x15d7a8b4, 0xf1b33d17, 0xf8b40d81, 0xe3bd5c3b, 0xeaba6cad, ! 169: - 0xedb88320, 0xe4bfb3b6, 0xffb6e20c, 0xf6b1d29a, 0x12d54739, 0x1bd277af, 0xdb2615, 0x9dc1683, ! 170: - 0x13630b12, 0x1a643b84, 0x16d6a3e, 0x86a5aa8, 0xec0ecf0b, 0xe509ff9d, 0xfe00ae27, 0xf7079eb1, ! 171: - 0x100f9344, 0x1908a3d2, 0x201f268, 0xb06c2fe, 0xef62575d, 0xe66567cb, 0xfd6c3671, 0xf46b06e7, ! 172: - 0xeed41b76, 0xe7d32be0, 0xfcda7a5a, 0xf5dd4acc, 0x11b9df6f, 0x18beeff9, 0x3b7be43, 0xab08ed5, ! 173: - 0x16d6a3e8, 0x1fd1937e, 0x4d8c2c4, 0xddff252, 0xe9bb67f1, 0xe0bc5767, 0xfbb506dd, 0xf2b2364b, ! 174: - 0xe80d2bda, 0xe10a1b4c, 0xfa034af6, 0xf3047a60, 0x1760efc3, 0x1e67df55, 0x56e8eef, 0xc69be79, ! 175: - 0xeb61b38c, 0xe266831a, 0xf96fd2a0, 0xf068e236, 0x140c7795, 0x1d0b4703, 0x60216b9, 0xf05262f, ! 176: - 0x15ba3bbe, 0x1cbd0b28, 0x7b45a92, 0xeb36a04, 0xead7ffa7, 0xe3d0cf31, 0xf8d99e8b, 0xf1deae1d, ! 177: - 0x1b64c2b0, 0x1263f226, 0x96aa39c, 0x6d930a, 0xe40906a9, 0xed0e363f, 0xf6076785, 0xff005713, ! 178: - 0xe5bf4a82, 0xecb87a14, 0xf7b12bae, 0xfeb61b38, 0x1ad28e9b, 0x13d5be0d, 0x8dcefb7, 0x1dbdf21, ! 179: - 0xe6d3d2d4, 0xefd4e242, 0xf4ddb3f8, 0xfdda836e, 0x19be16cd, 0x10b9265b, 0xbb077e1, 0x2b74777, ! 180: - 0x18085ae6, 0x110f6a70, 0xa063bca, 0x3010b5c, 0xe7659eff, 0xee62ae69, 0xf56bffd3, 0xfc6ccf45, ! 181: - 0xe00ae278, 0xe90dd2ee, 0xf2048354, 0xfb03b3c2, 0x1f672661, 0x166016f7, 0xd69474d, 0x46e77db, ! 182: - 0x1ed16a4a, 0x17d65adc, 0xcdf0b66, 0x5d83bf0, 0xe1bcae53, 0xe8bb9ec5, 0xf3b2cf7f, 0xfab5ffe9, ! 183: - 0x1dbdf21c, 0x14bac28a, 0xfb39330, 0x6b4a3a6, 0xe2d03605, 0xebd70693, 0xf0de5729, 0xf9d967bf, ! 184: - 0xe3667a2e, 0xea614ab8, 0xf1681b02, 0xf86f2b94, 0x1c0bbe37, 0x150c8ea1, 0xe05df1b, 0x702ef8d, ! 185: -}; ! 186: - ! 187: -long ! 188: -sum32(long lcrc, char *buf, register n) ! 189: -{ ! 190: - register unsigned char *s = (unsigned char *)buf; ! 191: - register unsigned long crc = lcrc; ! 192: - ! 193: - if(buf == 0){ ! 194: - char buf[4]; ! 195: - ! 196: - buf[0] = (n>>24)^0xCC; /* encode the length but make n==0 not 0 */ ! 197: - buf[1] = (n>>16)^0x55; ! 198: - buf[2] = (n>>8)^0xCC; ! 199: - buf[3] = (n)^0x55; ! 200: - crc = (unsigned long)sum32(lcrc, buf, 4); ! 201: - printf("%.8lx %6ld", crc, n); ! 202: - return(0); ! 203: - } ! 204: - while(n-- > 0) ! 205: - crc = crc_table[(crc ^ *s++) & 0xff] ^ (crc >> 8); ! 206: - return(crc); ! 207: -} ! 208: //GO.SYSIN DD sum32.c
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