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minigzip.c (237691) minigzip.c (254069)
1/* minigzip.c -- simulate gzip using the zlib compression library
2 * Copyright (C) 1995-2006, 2010, 2011 Jean-loup Gailly.
3 * For conditions of distribution and use, see copyright notice in zlib.h
4 */
5
6/*
7 * minigzip is a minimal implementation of the gzip utility. This is
8 * only an example of using zlib and isn't meant to replace the

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35# ifdef UNDER_CE
36# include <stdlib.h>
37# endif
38# define SET_BINARY_MODE(file) setmode(fileno(file), O_BINARY)
39#else
40# define SET_BINARY_MODE(file)
41#endif
42
1/* minigzip.c -- simulate gzip using the zlib compression library
2 * Copyright (C) 1995-2006, 2010, 2011 Jean-loup Gailly.
3 * For conditions of distribution and use, see copyright notice in zlib.h
4 */
5
6/*
7 * minigzip is a minimal implementation of the gzip utility. This is
8 * only an example of using zlib and isn't meant to replace the

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35# ifdef UNDER_CE
36# include <stdlib.h>
37# endif
38# define SET_BINARY_MODE(file) setmode(fileno(file), O_BINARY)
39#else
40# define SET_BINARY_MODE(file)
41#endif
42
43#ifdef _MSC_VER
44# define snprintf _snprintf
45#endif
46
43#ifdef VMS
44# define unlink delete
45# define GZ_SUFFIX "-gz"
46#endif
47#ifdef RISCOS
48# define unlink remove
49# define GZ_SUFFIX "-gz"
50# define fileno(file) file->__file

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458 FILE *in;
459 gzFile out;
460
461 if (strlen(file) + strlen(GZ_SUFFIX) >= sizeof(outfile)) {
462 fprintf(stderr, "%s: filename too long\n", prog);
463 exit(1);
464 }
465
47#ifdef VMS
48# define unlink delete
49# define GZ_SUFFIX "-gz"
50#endif
51#ifdef RISCOS
52# define unlink remove
53# define GZ_SUFFIX "-gz"
54# define fileno(file) file->__file

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462 FILE *in;
463 gzFile out;
464
465 if (strlen(file) + strlen(GZ_SUFFIX) >= sizeof(outfile)) {
466 fprintf(stderr, "%s: filename too long\n", prog);
467 exit(1);
468 }
469
470#if !defined(NO_snprintf) && !defined(NO_vsnprintf)
471 snprintf(outfile, sizeof(outfile), "%s%s", file, GZ_SUFFIX);
472#else
466 strcpy(outfile, file);
467 strcat(outfile, GZ_SUFFIX);
473 strcpy(outfile, file);
474 strcat(outfile, GZ_SUFFIX);
475#endif
468
469 in = fopen(file, "rb");
470 if (in == NULL) {
471 perror(file);
472 exit(1);
473 }
474 out = gzopen(outfile, mode);
475 if (out == NULL) {

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494 gzFile in;
495 size_t len = strlen(file);
496
497 if (len + strlen(GZ_SUFFIX) >= sizeof(buf)) {
498 fprintf(stderr, "%s: filename too long\n", prog);
499 exit(1);
500 }
501
476
477 in = fopen(file, "rb");
478 if (in == NULL) {
479 perror(file);
480 exit(1);
481 }
482 out = gzopen(outfile, mode);
483 if (out == NULL) {

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502 gzFile in;
503 size_t len = strlen(file);
504
505 if (len + strlen(GZ_SUFFIX) >= sizeof(buf)) {
506 fprintf(stderr, "%s: filename too long\n", prog);
507 exit(1);
508 }
509
510#if !defined(NO_snprintf) && !defined(NO_vsnprintf)
511 snprintf(buf, sizeof(buf), "%s", file);
512#else
502 strcpy(buf, file);
513 strcpy(buf, file);
514#endif
503
504 if (len > SUFFIX_LEN && strcmp(file+len-SUFFIX_LEN, GZ_SUFFIX) == 0) {
505 infile = file;
506 outfile = buf;
507 outfile[len-3] = '\0';
508 } else {
509 outfile = file;
510 infile = buf;
515
516 if (len > SUFFIX_LEN && strcmp(file+len-SUFFIX_LEN, GZ_SUFFIX) == 0) {
517 infile = file;
518 outfile = buf;
519 outfile[len-3] = '\0';
520 } else {
521 outfile = file;
522 infile = buf;
523#if !defined(NO_snprintf) && !defined(NO_vsnprintf)
524 snprintf(buf + len, sizeof(buf) - len, "%s", GZ_SUFFIX);
525#else
511 strcat(infile, GZ_SUFFIX);
526 strcat(infile, GZ_SUFFIX);
527#endif
512 }
513 in = gzopen(infile, "rb");
514 if (in == NULL) {
515 fprintf(stderr, "%s: can't gzopen %s\n", prog, infile);
516 exit(1);
517 }
518 out = fopen(outfile, "wb");
519 if (out == NULL) {

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541 int argc;
542 char *argv[];
543{
544 int copyout = 0;
545 int uncompr = 0;
546 gzFile file;
547 char *bname, outmode[20];
548
528 }
529 in = gzopen(infile, "rb");
530 if (in == NULL) {
531 fprintf(stderr, "%s: can't gzopen %s\n", prog, infile);
532 exit(1);
533 }
534 out = fopen(outfile, "wb");
535 if (out == NULL) {

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557 int argc;
558 char *argv[];
559{
560 int copyout = 0;
561 int uncompr = 0;
562 gzFile file;
563 char *bname, outmode[20];
564
565#if !defined(NO_snprintf) && !defined(NO_vsnprintf)
566 snprintf(outmode, sizeof(outmode), "%s", "wb6 ");
567#else
549 strcpy(outmode, "wb6 ");
568 strcpy(outmode, "wb6 ");
569#endif
550
551 prog = argv[0];
552 bname = strrchr(argv[0], '/');
553 if (bname)
554 bname++;
555 else
556 bname = argv[0];
557 argc--, argv++;

--- 74 unchanged lines hidden --- 		570
571 prog = argv[0];
572 bname = strrchr(argv[0], '/');
573 if (bname)
574 bname++;
575 else
576 bname = argv[0];
577 argc--, argv++;

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