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Lines 78-84
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| 78 |
int c_width; /* width or -1 if multi-column char. filler */ |
78 |
int c_width; /* width or -1 if multi-column char. filler */ |
| 79 |
} ; |
79 |
} ; |
| 80 |
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80 |
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| 81 |
static struct CHAR obuf[MAXBUF]; |
81 |
static struct CHAR sobuf[MAXBUF]; // static output buffer |
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82 |
static struct CHAR *obuf = sobuf; |
| 83 |
static int buflen = MAXBUF; |
| 82 |
static int col, maxcol; |
84 |
static int col, maxcol; |
| 83 |
static int mode; |
85 |
static int mode; |
| 84 |
static int halfpos; |
86 |
static int halfpos; |
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Lines 151-156
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| 151 |
else |
153 |
else |
| 152 |
filter(f); |
154 |
filter(f); |
| 153 |
} |
155 |
} |
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|
156 |
if (obuf != sobuf) { |
| 157 |
free(obuf); |
| 158 |
} |
| 154 |
exit(0); |
159 |
exit(0); |
| 155 |
} |
160 |
} |
| 156 |
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161 |
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Lines 166-293
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| 166 |
{ |
171 |
{ |
| 167 |
wint_t c; |
172 |
wint_t c; |
| 168 |
int i, w; |
173 |
int i, w; |
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174 |
int copy = 0; |
| 169 |
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175 |
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| 170 |
while ((c = getwc(f)) != WEOF && col < MAXBUF) switch(c) { |
176 |
while ((c = getwc(f)) != WEOF) { |
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177 |
if (col == buflen) { |
| 178 |
if (obuf == sobuf) { |
| 179 |
obuf = NULL; |
| 180 |
copy = 1; |
| 181 |
} |
| 182 |
obuf = realloc(obuf, sizeof(*obuf) * 2 * buflen); |
| 183 |
if (obuf == NULL) { |
| 184 |
obuf = sobuf; |
| 185 |
break; |
| 186 |
} else if (copy) { |
| 187 |
memcpy(obuf, sobuf, sizeof(*obuf) * buflen); |
| 188 |
copy = 0; |
| 189 |
} |
| 190 |
bzero((char *)(obuf + buflen), sizeof(*obuf) * buflen); |
| 191 |
buflen *= 2; |
| 192 |
} |
| 193 |
switch(c) { |
| 194 |
case '\b': |
| 195 |
if (col > 0) |
| 196 |
col--; |
| 197 |
continue; |
| 171 |
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198 |
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| 172 |
case '\b': |
199 |
case '\t': |
| 173 |
if (col > 0) |
200 |
col = (col+8) & ~07; |
| 174 |
col--; |
201 |
if (col > maxcol) |
| 175 |
continue; |
202 |
maxcol = col; |
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203 |
continue; |
| 176 |
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204 |
|
| 177 |
case '\t': |
205 |
case '\r': |
| 178 |
col = (col+8) & ~07; |
206 |
col = 0; |
| 179 |
if (col > maxcol) |
207 |
continue; |
| 180 |
maxcol = col; |
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| 181 |
continue; |
| 182 |
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208 |
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| 183 |
case '\r': |
209 |
case SO: |
| 184 |
col = 0; |
210 |
mode |= ALTSET; |
| 185 |
continue; |
211 |
continue; |
| 186 |
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212 |
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| 187 |
case SO: |
213 |
case SI: |
| 188 |
mode |= ALTSET; |
214 |
mode &= ~ALTSET; |
| 189 |
continue; |
215 |
continue; |
| 190 |
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216 |
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| 191 |
case SI: |
217 |
case IESC: |
| 192 |
mode &= ~ALTSET; |
218 |
switch (c = getwc(f)) { |
| 193 |
continue; |
219 |
case HREV: |
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220 |
if (halfpos == 0) { |
| 221 |
mode |= SUPERSC; |
| 222 |
halfpos--; |
| 223 |
} else if (halfpos > 0) { |
| 224 |
mode &= ~SUBSC; |
| 225 |
halfpos--; |
| 226 |
} else { |
| 227 |
halfpos = 0; |
| 228 |
reverse(); |
| 229 |
} |
| 230 |
continue; |
| 194 |
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231 |
|
| 195 |
case IESC: |
232 |
case HFWD: |
| 196 |
switch (c = getwc(f)) { |
233 |
if (halfpos == 0) { |
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234 |
mode |= SUBSC; |
| 235 |
halfpos++; |
| 236 |
} else if (halfpos < 0) { |
| 237 |
mode &= ~SUPERSC; |
| 238 |
halfpos++; |
| 239 |
} else { |
| 240 |
halfpos = 0; |
| 241 |
fwd(); |
| 242 |
} |
| 243 |
continue; |
| 197 |
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244 |
|
| 198 |
case HREV: |
245 |
case FREV: |
| 199 |
if (halfpos == 0) { |
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|
| 200 |
mode |= SUPERSC; |
| 201 |
halfpos--; |
| 202 |
} else if (halfpos > 0) { |
| 203 |
mode &= ~SUBSC; |
| 204 |
halfpos--; |
| 205 |
} else { |
| 206 |
halfpos = 0; |
| 207 |
reverse(); |
246 |
reverse(); |
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247 |
continue; |
| 248 |
|
| 249 |
default: |
| 250 |
errx(1, "unknown escape sequence in input: %o, %o", IESC, c); |
| 208 |
} |
251 |
} |
| 209 |
continue; |
252 |
continue; |
| 210 |
|
253 |
|
| 211 |
case HFWD: |
254 |
case '_': |
| 212 |
if (halfpos == 0) { |
255 |
if (obuf[col].c_char || obuf[col].c_width < 0) { |
| 213 |
mode |= SUBSC; |
256 |
while (col > 0 && obuf[col].c_width < 0) |
| 214 |
halfpos++; |
257 |
col--; |
| 215 |
} else if (halfpos < 0) { |
258 |
w = obuf[col].c_width; |
| 216 |
mode &= ~SUPERSC; |
259 |
for (i = 0; i < w; i++) |
| 217 |
halfpos++; |
260 |
obuf[col++].c_mode |= UNDERL | mode; |
| 218 |
} else { |
261 |
if (col > maxcol) |
| 219 |
halfpos = 0; |
262 |
maxcol = col; |
| 220 |
fwd(); |
263 |
continue; |
| 221 |
} |
264 |
} |
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|
265 |
obuf[col].c_char = '_'; |
| 266 |
obuf[col].c_width = 1; |
| 267 |
/* FALLTHROUGH */ |
| 268 |
case ' ': |
| 269 |
col++; |
| 270 |
if (col > maxcol) |
| 271 |
maxcol = col; |
| 222 |
continue; |
272 |
continue; |
| 223 |
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273 |
|
| 224 |
case FREV: |
274 |
case '\n': |
| 225 |
reverse(); |
275 |
flushln(); |
| 226 |
continue; |
276 |
continue; |
| 227 |
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277 |
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|
278 |
case '\f': |
| 279 |
flushln(); |
| 280 |
putwchar('\f'); |
| 281 |
continue; |
| 282 |
|
| 228 |
default: |
283 |
default: |
| 229 |
errx(1, "unknown escape sequence in input: %o, %o", IESC, c); |
284 |
if ((w = wcwidth(c)) <= 0) /* non printing */ |
| 230 |
} |
285 |
continue; |
| 231 |
continue; |
286 |
if (obuf[col].c_char == '\0') { |
| 232 |
|
287 |
obuf[col].c_char = c; |
| 233 |
case '_': |
288 |
for (i = 0; i < w; i++) |
| 234 |
if (obuf[col].c_char || obuf[col].c_width < 0) { |
289 |
obuf[col + i].c_mode = mode; |
| 235 |
while (col > 0 && obuf[col].c_width < 0) |
290 |
obuf[col].c_width = w; |
| 236 |
col--; |
291 |
for (i = 1; i < w; i++) |
| 237 |
w = obuf[col].c_width; |
292 |
obuf[col + i].c_width = -1; |
| 238 |
for (i = 0; i < w; i++) |
293 |
} else if (obuf[col].c_char == '_') { |
| 239 |
obuf[col++].c_mode |= UNDERL | mode; |
294 |
obuf[col].c_char = c; |
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|
295 |
for (i = 0; i < w; i++) |
| 296 |
obuf[col + i].c_mode |= UNDERL|mode; |
| 297 |
obuf[col].c_width = w; |
| 298 |
for (i = 1; i < w; i++) |
| 299 |
obuf[col + i].c_width = -1; |
| 300 |
} else if ((wint_t)obuf[col].c_char == c) { |
| 301 |
for (i = 0; i < w; i++) |
| 302 |
obuf[col + i].c_mode |= BOLD|mode; |
| 303 |
} else { |
| 304 |
w = obuf[col].c_width; |
| 305 |
for (i = 0; i < w; i++) |
| 306 |
obuf[col + i].c_mode = mode; |
| 307 |
} |
| 308 |
col += w; |
| 240 |
if (col > maxcol) |
309 |
if (col > maxcol) |
| 241 |
maxcol = col; |
310 |
maxcol = col; |
| 242 |
continue; |
311 |
continue; |
| 243 |
} |
312 |
} |
| 244 |
obuf[col].c_char = '_'; |
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|
| 245 |
obuf[col].c_width = 1; |
| 246 |
/* FALLTHROUGH */ |
| 247 |
case ' ': |
| 248 |
col++; |
| 249 |
if (col > maxcol) |
| 250 |
maxcol = col; |
| 251 |
continue; |
| 252 |
|
| 253 |
case '\n': |
| 254 |
flushln(); |
| 255 |
continue; |
| 256 |
|
| 257 |
case '\f': |
| 258 |
flushln(); |
| 259 |
putwchar('\f'); |
| 260 |
continue; |
| 261 |
|
| 262 |
default: |
| 263 |
if ((w = wcwidth(c)) <= 0) /* non printing */ |
| 264 |
continue; |
| 265 |
if (obuf[col].c_char == '\0') { |
| 266 |
obuf[col].c_char = c; |
| 267 |
for (i = 0; i < w; i++) |
| 268 |
obuf[col + i].c_mode = mode; |
| 269 |
obuf[col].c_width = w; |
| 270 |
for (i = 1; i < w; i++) |
| 271 |
obuf[col + i].c_width = -1; |
| 272 |
} else if (obuf[col].c_char == '_') { |
| 273 |
obuf[col].c_char = c; |
| 274 |
for (i = 0; i < w; i++) |
| 275 |
obuf[col + i].c_mode |= UNDERL|mode; |
| 276 |
obuf[col].c_width = w; |
| 277 |
for (i = 1; i < w; i++) |
| 278 |
obuf[col + i].c_width = -1; |
| 279 |
} else if ((wint_t)obuf[col].c_char == c) { |
| 280 |
for (i = 0; i < w; i++) |
| 281 |
obuf[col + i].c_mode |= BOLD|mode; |
| 282 |
} else { |
| 283 |
w = obuf[col].c_width; |
| 284 |
for (i = 0; i < w; i++) |
| 285 |
obuf[col + i].c_mode = mode; |
| 286 |
} |
| 287 |
col += w; |
| 288 |
if (col > maxcol) |
| 289 |
maxcol = col; |
| 290 |
continue; |
| 291 |
} |
313 |
} |
| 292 |
if (ferror(f)) |
314 |
if (ferror(f)) |
| 293 |
err(1, NULL); |
315 |
err(1, NULL); |
|
Lines 405-411
Link Here
|
| 405 |
initbuf(void) |
427 |
initbuf(void) |
| 406 |
{ |
428 |
{ |
| 407 |
|
429 |
|
| 408 |
bzero((char *)obuf, sizeof (obuf)); /* depends on NORMAL == 0 */ |
430 |
bzero((char *)obuf, buflen * sizeof(*obuf)); /* depends on NORMAL == 0 */ |
| 409 |
col = 0; |
431 |
col = 0; |
| 410 |
maxcol = 0; |
432 |
maxcol = 0; |
| 411 |
mode &= ALTSET; |
433 |
mode &= ALTSET; |