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authorSam Ravnborg <sam@mars.ravnborg.org>2005-11-19 15:56:20 -0500
committerSam Ravnborg <sam@mars.ravnborg.org>2005-11-19 15:56:20 -0500
commitdec69da856653772d7ee7b2f98dc69da27274a22 (patch)
tree020cf19de028a402a6bfc792caaffeddaf5a3e9b /scripts/lxdialog/textbox.c
parentb1c5f1c635f4a821f834ed51ccd8a2a1515fffd2 (diff)
kconfig: fixup after Lindent
Readability are more important then the 80 coloumn limit, so fold several lines to greatly improve readability. Also keep return type on same line as function definition. Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Diffstat (limited to 'scripts/lxdialog/textbox.c')
-rw-r--r--scripts/lxdialog/textbox.c93
1 files changed, 32 insertions, 61 deletions
diff --git a/scripts/lxdialog/textbox.c b/scripts/lxdialog/textbox.c
index d6e7f2afe31a..fa8d92ea02b6 100644
--- a/scripts/lxdialog/textbox.c
+++ b/scripts/lxdialog/textbox.c
@@ -46,30 +46,26 @@ int dialog_textbox(const char *title, const char *file, int height, int width)
46 /* Open input file for reading */ 46 /* Open input file for reading */
47 if ((fd = open(file, O_RDONLY)) == -1) { 47 if ((fd = open(file, O_RDONLY)) == -1) {
48 endwin(); 48 endwin();
49 fprintf(stderr, 49 fprintf(stderr, "\nCan't open input file in dialog_textbox().\n");
50 "\nCan't open input file in dialog_textbox().\n");
51 exit(-1); 50 exit(-1);
52 } 51 }
53 /* Get file size. Actually, 'file_size' is the real file size - 1, 52 /* Get file size. Actually, 'file_size' is the real file size - 1,
54 since it's only the last byte offset from the beginning */ 53 since it's only the last byte offset from the beginning */
55 if ((file_size = lseek(fd, 0, SEEK_END)) == -1) { 54 if ((file_size = lseek(fd, 0, SEEK_END)) == -1) {
56 endwin(); 55 endwin();
57 fprintf(stderr, 56 fprintf(stderr, "\nError getting file size in dialog_textbox().\n");
58 "\nError getting file size in dialog_textbox().\n");
59 exit(-1); 57 exit(-1);
60 } 58 }
61 /* Restore file pointer to beginning of file after getting file size */ 59 /* Restore file pointer to beginning of file after getting file size */
62 if (lseek(fd, 0, SEEK_SET) == -1) { 60 if (lseek(fd, 0, SEEK_SET) == -1) {
63 endwin(); 61 endwin();
64 fprintf(stderr, 62 fprintf(stderr, "\nError moving file pointer in dialog_textbox().\n");
65 "\nError moving file pointer in dialog_textbox().\n");
66 exit(-1); 63 exit(-1);
67 } 64 }
68 /* Allocate space for read buffer */ 65 /* Allocate space for read buffer */
69 if ((buf = malloc(BUF_SIZE + 1)) == NULL) { 66 if ((buf = malloc(BUF_SIZE + 1)) == NULL) {
70 endwin(); 67 endwin();
71 fprintf(stderr, 68 fprintf(stderr, "\nCan't allocate memory in dialog_textbox().\n");
72 "\nCan't allocate memory in dialog_textbox().\n");
73 exit(-1); 69 exit(-1);
74 } 70 }
75 if ((bytes_read = read(fd, buf, BUF_SIZE)) == -1) { 71 if ((bytes_read = read(fd, buf, BUF_SIZE)) == -1) {
@@ -150,23 +146,20 @@ int dialog_textbox(const char *title, const char *file, int height, int width)
150 /* First page not in buffer? */ 146 /* First page not in buffer? */
151 if ((fpos = lseek(fd, 0, SEEK_CUR)) == -1) { 147 if ((fpos = lseek(fd, 0, SEEK_CUR)) == -1) {
152 endwin(); 148 endwin();
153 fprintf(stderr, 149 fprintf(stderr, "\nError moving file pointer in dialog_textbox().\n");
154 "\nError moving file pointer in dialog_textbox().\n");
155 exit(-1); 150 exit(-1);
156 } 151 }
157 if (fpos > bytes_read) { /* Yes, we have to read it in */ 152 if (fpos > bytes_read) { /* Yes, we have to read it in */
158 if (lseek(fd, 0, SEEK_SET) == -1) { 153 if (lseek(fd, 0, SEEK_SET) == -1) {
159 endwin(); 154 endwin();
160 fprintf(stderr, 155 fprintf(stderr, "\nError moving file pointer in "
161 "\nError moving file pointer in " 156 "dialog_textbox().\n");
162 "dialog_textbox().\n");
163 exit(-1); 157 exit(-1);
164 } 158 }
165 if ((bytes_read = 159 if ((bytes_read =
166 read(fd, buf, BUF_SIZE)) == -1) { 160 read(fd, buf, BUF_SIZE)) == -1) {
167 endwin(); 161 endwin();
168 fprintf(stderr, 162 fprintf(stderr, "\nError reading file in dialog_textbox().\n");
169 "\nError reading file in dialog_textbox().\n");
170 exit(-1); 163 exit(-1);
171 } 164 }
172 buf[bytes_read] = '\0'; 165 buf[bytes_read] = '\0';
@@ -185,22 +178,19 @@ int dialog_textbox(const char *title, const char *file, int height, int width)
185 /* Last page not in buffer? */ 178 /* Last page not in buffer? */
186 if ((fpos = lseek(fd, 0, SEEK_CUR)) == -1) { 179 if ((fpos = lseek(fd, 0, SEEK_CUR)) == -1) {
187 endwin(); 180 endwin();
188 fprintf(stderr, 181 fprintf(stderr, "\nError moving file pointer in dialog_textbox().\n");
189 "\nError moving file pointer in dialog_textbox().\n");
190 exit(-1); 182 exit(-1);
191 } 183 }
192 if (fpos < file_size) { /* Yes, we have to read it in */ 184 if (fpos < file_size) { /* Yes, we have to read it in */
193 if (lseek(fd, -BUF_SIZE, SEEK_END) == -1) { 185 if (lseek(fd, -BUF_SIZE, SEEK_END) == -1) {
194 endwin(); 186 endwin();
195 fprintf(stderr, 187 fprintf(stderr, "\nError moving file pointer in dialog_textbox().\n");
196 "\nError moving file pointer in dialog_textbox().\n");
197 exit(-1); 188 exit(-1);
198 } 189 }
199 if ((bytes_read = 190 if ((bytes_read =
200 read(fd, buf, BUF_SIZE)) == -1) { 191 read(fd, buf, BUF_SIZE)) == -1) {
201 endwin(); 192 endwin();
202 fprintf(stderr, 193 fprintf(stderr, "\nError reading file in dialog_textbox().\n");
203 "\nError reading file in dialog_textbox().\n");
204 exit(-1); 194 exit(-1);
205 } 195 }
206 buf[bytes_read] = '\0'; 196 buf[bytes_read] = '\0';
@@ -342,9 +332,8 @@ static void back_lines(int n)
342 if (page == buf) { 332 if (page == buf) {
343 if ((fpos = lseek(fd, 0, SEEK_CUR)) == -1) { 333 if ((fpos = lseek(fd, 0, SEEK_CUR)) == -1) {
344 endwin(); 334 endwin();
345 fprintf(stderr, 335 fprintf(stderr, "\nError moving file pointer in "
346 "\nError moving file pointer in " 336 "back_lines().\n");
347 "back_lines().\n");
348 exit(-1); 337 exit(-1);
349 } 338 }
350 if (fpos > bytes_read) { /* Not beginning of file yet */ 339 if (fpos > bytes_read) { /* Not beginning of file yet */
@@ -358,21 +347,16 @@ static void back_lines(int n)
358 /* No, move less then */ 347 /* No, move less then */
359 if (lseek(fd, 0, SEEK_SET) == -1) { 348 if (lseek(fd, 0, SEEK_SET) == -1) {
360 endwin(); 349 endwin();
361 fprintf(stderr, 350 fprintf(stderr, "\nError moving file pointer in "
362 "\nError moving file pointer in " 351 "back_lines().\n");
363 "back_lines().\n");
364 exit(-1); 352 exit(-1);
365 } 353 }
366 page = buf + fpos - bytes_read; 354 page = buf + fpos - bytes_read;
367 } else { /* Move backward BUF_SIZE/2 bytes */ 355 } else { /* Move backward BUF_SIZE/2 bytes */
368 if (lseek 356 if (lseek (fd, -(BUF_SIZE / 2 + bytes_read), SEEK_CUR) == -1) {
369 (fd, -(BUF_SIZE / 2 + bytes_read),
370 SEEK_CUR)
371 == -1) {
372 endwin(); 357 endwin();
373 fprintf(stderr, 358 fprintf(stderr, "\nError moving file pointer "
374 "\nError moving file pointer " 359 "in back_lines().\n");
375 "in back_lines().\n");
376 exit(-1); 360 exit(-1);
377 } 361 }
378 page = buf + BUF_SIZE / 2; 362 page = buf + BUF_SIZE / 2;
@@ -380,8 +364,7 @@ static void back_lines(int n)
380 if ((bytes_read = 364 if ((bytes_read =
381 read(fd, buf, BUF_SIZE)) == -1) { 365 read(fd, buf, BUF_SIZE)) == -1) {
382 endwin(); 366 endwin();
383 fprintf(stderr, 367 fprintf(stderr, "\nError reading file in back_lines().\n");
384 "\nError reading file in back_lines().\n");
385 exit(-1); 368 exit(-1);
386 } 369 }
387 buf[bytes_read] = '\0'; 370 buf[bytes_read] = '\0';
@@ -403,33 +386,25 @@ static void back_lines(int n)
403 if (page == buf) { 386 if (page == buf) {
404 if ((fpos = lseek(fd, 0, SEEK_CUR)) == -1) { 387 if ((fpos = lseek(fd, 0, SEEK_CUR)) == -1) {
405 endwin(); 388 endwin();
406 fprintf(stderr, 389 fprintf(stderr, "\nError moving file pointer in back_lines().\n");
407 "\nError moving file pointer in back_lines().\n");
408 exit(-1); 390 exit(-1);
409 } 391 }
410 if (fpos > bytes_read) { 392 if (fpos > bytes_read) {
411 /* Really possible to move backward BUF_SIZE/2 bytes? */ 393 /* Really possible to move backward BUF_SIZE/2 bytes? */
412 if (fpos < BUF_SIZE / 2 + bytes_read) { 394 if (fpos < BUF_SIZE / 2 + bytes_read) {
413 /* No, move less then */ 395 /* No, move less then */
414 if (lseek(fd, 0, SEEK_SET) == 396 if (lseek(fd, 0, SEEK_SET) == -1) {
415 -1) {
416 endwin(); 397 endwin();
417 fprintf(stderr, 398 fprintf(stderr, "\nError moving file pointer "
418 "\nError moving file pointer " 399 "in back_lines().\n");
419 "in back_lines().\n");
420 exit(-1); 400 exit(-1);
421 } 401 }
422 page = buf + fpos - bytes_read; 402 page = buf + fpos - bytes_read;
423 } else { /* Move backward BUF_SIZE/2 bytes */ 403 } else { /* Move backward BUF_SIZE/2 bytes */
424 if (lseek 404 if (lseek (fd, -(BUF_SIZE / 2 + bytes_read), SEEK_CUR) == -1) {
425 (fd,
426 -(BUF_SIZE / 2 +
427 bytes_read),
428 SEEK_CUR) == -1) {
429 endwin(); 405 endwin();
430 fprintf(stderr, 406 fprintf(stderr, "\nError moving file pointer"
431 "\nError moving file pointer" 407 " in back_lines().\n");
432 " in back_lines().\n");
433 exit(-1); 408 exit(-1);
434 } 409 }
435 page = buf + BUF_SIZE / 2; 410 page = buf + BUF_SIZE / 2;
@@ -437,9 +412,8 @@ static void back_lines(int n)
437 if ((bytes_read = 412 if ((bytes_read =
438 read(fd, buf, BUF_SIZE)) == -1) { 413 read(fd, buf, BUF_SIZE)) == -1) {
439 endwin(); 414 endwin();
440 fprintf(stderr, 415 fprintf(stderr, "\nError reading file in "
441 "\nError reading file in " 416 "back_lines().\n");
442 "back_lines().\n");
443 exit(-1); 417 exit(-1);
444 } 418 }
445 buf[bytes_read] = '\0'; 419 buf[bytes_read] = '\0';
@@ -513,9 +487,8 @@ static char *get_line(void)
513 /* Either end of file or end of buffer reached */ 487 /* Either end of file or end of buffer reached */
514 if ((fpos = lseek(fd, 0, SEEK_CUR)) == -1) { 488 if ((fpos = lseek(fd, 0, SEEK_CUR)) == -1) {
515 endwin(); 489 endwin();
516 fprintf(stderr, 490 fprintf(stderr, "\nError moving file pointer in "
517 "\nError moving file pointer in " 491 "get_line().\n");
518 "get_line().\n");
519 exit(-1); 492 exit(-1);
520 } 493 }
521 if (fpos < file_size) { /* Not end of file yet */ 494 if (fpos < file_size) { /* Not end of file yet */
@@ -524,8 +497,7 @@ static char *get_line(void)
524 if ((bytes_read = 497 if ((bytes_read =
525 read(fd, buf, BUF_SIZE)) == -1) { 498 read(fd, buf, BUF_SIZE)) == -1) {
526 endwin(); 499 endwin();
527 fprintf(stderr, 500 fprintf(stderr, "\nError reading file in get_line().\n");
528 "\nError reading file in get_line().\n");
529 exit(-1); 501 exit(-1);
530 } 502 }
531 buf[bytes_read] = '\0'; 503 buf[bytes_read] = '\0';
@@ -561,8 +533,7 @@ static void print_position(WINDOW * win, int height, int width)
561 533
562 if ((fpos = lseek(fd, 0, SEEK_CUR)) == -1) { 534 if ((fpos = lseek(fd, 0, SEEK_CUR)) == -1) {
563 endwin(); 535 endwin();
564 fprintf(stderr, 536 fprintf(stderr, "\nError moving file pointer in print_position().\n");
565 "\nError moving file pointer in print_position().\n");
566 exit(-1); 537 exit(-1);
567 } 538 }
568 wattrset(win, position_indicator_attr); 539 wattrset(win, position_indicator_attr);