};
#endif
-#include "busybox.h"
#include <getopt.h>
#include <ctype.h>
#include <sys/types.h>
#include <stdlib.h>
#include <time.h>
#include <dirent.h>
+#include "busybox.h"
#define BB_DECLARE_EXTERN
#define bb_need_memory_exhausted
#define bb_need_name_too_long
#include "messages.c"
-#define RECORD_IO 0
+static const int RECORD_IO = 0;
/* Return codes from gzip */
-#define OK 0
-#define ERROR 1
-#define WARNING 2
+static const int OK = 0;
+static const int ERROR = 1;
+static const int WARNING = 2;
-#define DEFLATED 8
-#define INBUFSIZ 0x2000 /* input buffer size */
-#define INBUF_EXTRA 64 /* required by unlzw() */
-#define OUTBUFSIZ 8192 /* output buffer size */
-#define OUTBUF_EXTRA 2048 /* required by unlzw() */
-#define DIST_BUFSIZE 0x2000 /* buffer for distances, see trees.c */
+static const int DEFLATED = 8;
+static const int INBUFSIZ = 0x2000; /* input buffer size */
+static const int INBUF_EXTRA = 64; /* required by unlzw() */
+static const int OUTBUFSIZ = 8192; /* output buffer size */
+static const int OUTBUF_EXTRA = 2048; /* required by unlzw() */
+static const int DIST_BUFSIZE = 0x2000; /* buffer for distances, see trees.c */
#define GZIP_MAGIC "\037\213" /* Magic header for gzip files, 1F 8B */
/* gzip flag byte */
-#define EXTRA_FIELD 0x04 /* bit 2 set: extra field present */
-#define ORIG_NAME 0x08 /* bit 3 set: original file name present */
-#define COMMENT 0x10 /* bit 4 set: file comment present */
-#define WSIZE 0x8000 /* window size--must be a power of two, and */
+static const int EXTRA_FIELD = 0x04; /* bit 2 set: extra field present */
+static const int ORIG_NAME = 0x08; /* bit 3 set: original file name present */
+static const int COMMENT = 0x10; /* bit 4 set: file comment present */
+static const int WSIZE = 0x8000; /* window size--must be a power of two, and */
/* at least 32K for zip's deflate method */
/* If BMAX needs to be larger than 16, then h and x[] should be ulg. */
-#define BMAX 16 /* maximum bit length of any code (16 for explode) */
-#define N_MAX 288 /* maximum number of codes in any set */
+static const int BMAX = 16; /* maximum bit length of any code (16 for explode) */
+static const int N_MAX = 288; /* maximum number of codes in any set */
/* PKZIP header definitions */
-#define LOCSIG 0x04034b50L /* four-byte lead-in (lsb first) */
-#define LOCCRC 14 /* offset of crc */
-#define LOCLEN 22 /* offset of uncompressed length */
-#define EXTHDR 16 /* size of extended local header, inc sig */
+static const int LOCSIG = 0x04034b50L; /* four-byte lead-in (lsb first) */
+static const int LOCCRC = 14; /* offset of crc */
+static const int LOCLEN = 22; /* offset of uncompressed length */
+static const int EXTHDR = 16; /* size of extended local header, inc sig */
-#define BITS 16
+static const int BITS = 16;
/* Diagnostic functions */
#ifdef DEBUG
# ifdef BUFSIZ
# define MAX_PATH_LEN BUFSIZ
# else
-# define MAX_PATH_LEN 1024
+static const int MAX_PATH_LEN = 1024;
# endif
#endif
/* local variables */
static int test_mode = 0; /* check file integrity option */
static int foreground; /* set if program run in foreground */
-static int method = DEFLATED; /* compression method */
-static int exit_code = OK; /* program exit code */
+static int method; /* compression method */
+static int exit_code; /* program exit code */
static int last_member; /* set for .zip and .Z files */
static int part_nb; /* number of parts in .gz file */
static long ifile_size; /* input file size, -1 for devices (debug only) */
method = (int) get_byte();
if (method != DEFLATED) {
- error_msg("unknown method %d -- get newer version of gzip\n", method);
+ error_msg("unknown method %d -- get newer version of gzip", method);
exit_code = ERROR;
return -1;
}
if (res == 3) {
error_msg(memory_exhausted);
} else if (res != 0) {
- error_msg("invalid compressed data--format violated\n");
+ error_msg("invalid compressed data--format violated");
}
} else {
- error_msg("internal error, invalid method\n");
+ error_msg("internal error, invalid method");
}
/* Get the crc and original length */
/* Validate decompression */
if (orig_crc != updcrc(outbuf, 0)) {
- error_msg("invalid compressed data--crc error\n");
+ error_msg("invalid compressed data--crc error");
}
if (orig_len != (ulg) bytes_out) {
- error_msg("invalid compressed data--length error\n");
+ error_msg("invalid compressed data--length error");
}
/* Check if there are more entries in a pkzip file */
if (pkzip && inptr + 4 < insize && LG(inbuf + inptr) == LOCSIG) {
- fprintf(stderr, "has more than one entry--rest ignored\n");
+ error_msg("has more than one entry--rest ignored");
if (exit_code == OK)
exit_code = WARNING;
}
int force = 0;
struct stat statBuf;
char *delFileName;
- char ifname[MAX_PATH_LEN + 1]; /* input file name */
- char ofname[MAX_PATH_LEN + 1]; /* output file name */
+ RESERVE_BB_BUFFER(ifname, MAX_PATH_LEN+1); /* input file name */
+ RESERVE_BB_BUFFER(ofname, MAX_PATH_LEN+1); /* output file name */
+
+ method = DEFLATED; /* default compression method */
+ exit_code = OK; /* let's go out on a limb and assume everything will run fine (wink wink) */
if (strcmp(applet_name, "zcat") == 0) {
force = 1;
force = 1;
break;
default:
- usage(gunzip_usage);
+ show_usage();
}
}
}
}
if (isatty(fileno(stdin)) && fromstdin==1 && force==0)
- error_msg_and_die( "data not read from terminal. Use -f to force it.\n");
+ error_msg_and_die( "data not read from terminal. Use -f to force it.");
if (isatty(fileno(stdout)) && tostdout==1 && force==0)
- error_msg_and_die( "data not written to terminal. Use -f to force it.\n");
+ error_msg_and_die( "data not written to terminal. Use -f to force it.");
gunzip_init();
} else {
/* Open up the input file */
if (argc <= 0)
- usage(gunzip_usage);
+ show_usage();
if (strlen(*argv) > MAX_PATH_LEN) {
error_msg(name_too_long);
exit(WARNING);
projects / oweals / busybox.git / blobdiff