| dd.c (114433) | dd.c (126667) |
|---|---|
| 1/*- 2 * Copyright (c) 1991, 1993, 1994 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * Keith Muller of the University of California, San Diego and Lance 7 * Visser of Convex Computer Corporation. 8 * --- 33 unchanged lines hidden (view full) --- 42 The Regents of the University of California. All rights reserved.\n"; 43#endif /* not lint */ 44 45#ifndef lint 46static char sccsid[] = "@(#)dd.c 8.5 (Berkeley) 4/2/94"; 47#endif /* not lint */ 48#endif 49#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 1991, 1993, 1994 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * Keith Muller of the University of California, San Diego and Lance 7 * Visser of Convex Computer Corporation. 8 * --- 33 unchanged lines hidden (view full) --- 42 The Regents of the University of California. All rights reserved.\n"; 43#endif /* not lint */ 44 45#ifndef lint 46static char sccsid[] = "@(#)dd.c 8.5 (Berkeley) 4/2/94"; 47#endif /* not lint */ 48#endif 49#include <sys/cdefs.h> |
| 50__FBSDID("$FreeBSD: head/bin/dd/dd.c 114433 2003-05-01 16:58:57Z obrien $"); | 50__FBSDID("$FreeBSD: head/bin/dd/dd.c 126667 2004-03-05 19:35:51Z phk $"); |
| 51 52#include <sys/param.h> 53#include <sys/stat.h> 54#include <sys/conf.h> 55#include <sys/disklabel.h> 56#include <sys/filio.h> 57#include <sys/time.h> 58 --- 40 unchanged lines hidden (view full) --- 99 100 while (files_cnt--) 101 dd_in(); 102 103 dd_close(); 104 exit(0); 105} 106 | 51 52#include <sys/param.h> 53#include <sys/stat.h> 54#include <sys/conf.h> 55#include <sys/disklabel.h> 56#include <sys/filio.h> 57#include <sys/time.h> 58 --- 40 unchanged lines hidden (view full) --- 99 100 while (files_cnt--) 101 dd_in(); 102 103 dd_close(); 104 exit(0); 105} 106 |
| 107static int 108parity(u_char c) 109{ 110 int i; 111 112 i = c ^ (c >> 1) ^ (c >> 2) ^ (c >> 3) ^ 113 (c >> 4) ^ (c >> 5) ^ (c >> 6) ^ (c >> 7); 114 return (i & 1); 115} 116 |
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| 107static void 108setup(void) 109{ 110 u_int cnt; 111 struct timeval tv; 112 113 if (in.name == NULL) { 114 in.name = "stdin"; --- 56 unchanged lines hidden (view full) --- 171 * Truncate the output file. If it fails on a type of output file 172 * that it should _not_ fail on, error out. 173 */ 174 if ((ddflags & (C_OF | C_SEEK | C_NOTRUNC)) == (C_OF | C_SEEK) && 175 out.flags & ISTRUNC) 176 if (ftruncate(out.fd, out.offset * out.dbsz) == -1) 177 err(1, "truncating %s", out.name); 178 | 117static void 118setup(void) 119{ 120 u_int cnt; 121 struct timeval tv; 122 123 if (in.name == NULL) { 124 in.name = "stdin"; --- 56 unchanged lines hidden (view full) --- 181 * Truncate the output file. If it fails on a type of output file 182 * that it should _not_ fail on, error out. 183 */ 184 if ((ddflags & (C_OF | C_SEEK | C_NOTRUNC)) == (C_OF | C_SEEK) && 185 out.flags & ISTRUNC) 186 if (ftruncate(out.fd, out.offset * out.dbsz) == -1) 187 err(1, "truncating %s", out.name); 188 |
| 179 /* 180 * If converting case at the same time as another conversion, build a 181 * table that does both at once. If just converting case, use the 182 * built-in tables. 183 */ 184 if (ddflags & (C_LCASE | C_UCASE)) { 185 if (ddflags & (C_ASCII | C_EBCDIC)) { 186 if (ddflags & C_LCASE) { 187 for (cnt = 0; cnt <= 0377; ++cnt) 188 casetab[cnt] = tolower(ctab[cnt]); 189 } else { 190 for (cnt = 0; cnt <= 0377; ++cnt) 191 casetab[cnt] = toupper(ctab[cnt]); 192 } | 189 if (ddflags & (C_LCASE | C_UCASE | C_ASCII | C_EBCDIC | C_PARITY)) { 190 if (ctab != NULL) { 191 for (cnt = 0; cnt <= 0377; ++cnt) 192 casetab[cnt] = ctab[cnt]; |
| 193 } else { | 193 } else { |
| 194 if (ddflags & C_LCASE) { 195 for (cnt = 0; cnt <= 0377; ++cnt) 196 casetab[cnt] = tolower((int)cnt); 197 } else { 198 for (cnt = 0; cnt <= 0377; ++cnt) 199 casetab[cnt] = toupper((int)cnt); 200 } | 194 for (cnt = 0; cnt <= 0377; ++cnt) 195 casetab[cnt] = cnt; |
| 201 } | 196 } |
| 197 if ((ddflags & C_PARITY) && !(ddflags & C_ASCII)) { 198 /* 199 * If the input is not EBCDIC, and we do parity 200 * processing, strip input parity. 201 */ 202 for (cnt = 200; cnt <= 0377; ++cnt) 203 casetab[cnt] = casetab[cnt & 0x7f]; 204 } 205 if (ddflags & C_LCASE) { 206 for (cnt = 0; cnt <= 0377; ++cnt) 207 casetab[cnt] = tolower(casetab[cnt]); 208 } else if (ddflags & C_UCASE) { 209 for (cnt = 0; cnt <= 0377; ++cnt) 210 casetab[cnt] = toupper(casetab[cnt]); 211 } 212 if ((ddflags & C_PARITY)) { 213 /* 214 * This should strictly speaking be a no-op, but I 215 * wonder what funny LANG settings could get us. 216 */ 217 for (cnt = 0; cnt <= 0377; ++cnt) 218 casetab[cnt] = casetab[cnt] & 0x7f; 219 } 220 if ((ddflags & C_PARSET)) { 221 for (cnt = 0; cnt <= 0377; ++cnt) 222 casetab[cnt] = casetab[cnt] | 0x80; 223 } 224 if ((ddflags & C_PAREVEN)) { 225 for (cnt = 0; cnt <= 0377; ++cnt) 226 if (parity(casetab[cnt])) 227 casetab[cnt] = casetab[cnt] | 0x80; 228 } 229 if ((ddflags & C_PARODD)) { 230 for (cnt = 0; cnt <= 0377; ++cnt) 231 if (!parity(casetab[cnt])) 232 casetab[cnt] = casetab[cnt] | 0x80; 233 } 234 |
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| 202 ctab = casetab; 203 } 204 205 (void)gettimeofday(&tv, (struct timezone *)NULL); 206 st.start = tv.tv_sec + tv.tv_usec * 1e-6; 207} 208 209static void --- 251 unchanged lines hidden --- | 235 ctab = casetab; 236 } 237 238 (void)gettimeofday(&tv, (struct timezone *)NULL); 239 st.start = tv.tv_sec + tv.tv_usec * 1e-6; 240} 241 242static void --- 251 unchanged lines hidden --- |