Cleanup of duplicated symbols -- found by compiling with

LDFLAGS += -Wl,-warn-common

8 files changed, 74 insertions, 104 deletions

diff --git a/archival/gunzip.c b/archival/gunzip.c
index 0c9d40670..1ff3c40fb 100644
--- a/archival/gunzip.c
+++ b/archival/gunzip.c
@@ -155,32 +155,28 @@ typedef unsigned short ush;
 typedef unsigned long ulg;
 typedef int file_t;				/* Do not use stdio */
 
-uch *inbuf;
-uch *outbuf;
-ush *d_buf;
-uch *window;
-ush *tab_prefix0;
-ush *tab_prefix1;
+static uch *inbuf;
+static uch *outbuf;
+static ush *d_buf;
+static uch *window;
+static ush *tab_prefix0;
+static ush *tab_prefix1;
 
 /* local variables */
-int test_mode = 0;	/* check file integrity option */
-int foreground;		/* set if program run in foreground */
-int maxbits = BITS;	/* max bits per code for LZW */
-int method = DEFLATED;	/* compression method */
-int exit_code = OK;	/* program exit code */
-int last_member;	/* set for .zip and .Z files */
-int part_nb;		/* number of parts in .gz file */
-long ifile_size;	/* input file size, -1 for devices (debug only) */
-long bytes_in;		/* number of input bytes */
-long bytes_out;		/* number of output bytes */
-long total_in = 0;	/* input bytes for all files */
-long total_out = 0;	/* output bytes for all files */
-struct stat istat;	/* status for input file */
-int ifd;		/* input file descriptor */
-int ofd;		/* output file descriptor */
-unsigned insize;	/* valid bytes in inbuf */
-unsigned inptr;		/* index of next byte to be processed in inbuf */
-unsigned outcnt;	/* bytes in output buffer */
+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 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) */
+static long bytes_in;		/* number of input bytes */
+static long bytes_out;		/* number of output bytes */
+static int ifd;		/* input file descriptor */
+static int ofd;		/* output file descriptor */
+static unsigned insize;	/* valid bytes in inbuf */
+static unsigned inptr;		/* index of next byte to be processed in inbuf */
+static unsigned outcnt;	/* bytes in output buffer */
 
 unsigned hufts;		/* track memory usage */
 ulg bb;			/* bit buffer */
diff --git a/archival/gzip.c b/archival/gzip.c
index 6b25e47df..add94d0d7 100644
--- a/archival/gzip.c
+++ b/archival/gzip.c
@@ -1754,34 +1754,23 @@ DECLARE(ush, tab_prefix1, 1L << (BITS - 1));
 
 		/* local variables */
 
-int ascii = 0;					/* convert end-of-lines to local OS conventions */
-int decompress = 0;				/* decompress (-d) */
-int no_name = -1;				/* don't save or restore the original file name */
-int no_time = -1;				/* don't save or restore the original file time */
-int foreground;					/* set if program run in foreground */
-char *progname;					/* program name */
+static int foreground;					/* set if program run in foreground */
 static int method = DEFLATED;	/* compression method */
 static int exit_code = OK;		/* program exit code */
-int save_orig_name;				/* set if original name must be saved */
-int last_member;				/* set for .zip and .Z files */
-int part_nb;					/* number of parts in .gz file */
-long time_stamp;				/* original time stamp (modification time) */
-long ifile_size;				/* input file size, -1 for devices (debug only) */
-char *env;						/* contents of GZIP env variable */
-char z_suffix[MAX_SUFFIX + 1];	/* default suffix (can be set with --suffix) */
-int z_len;						/* strlen(z_suffix) */
-
-long bytes_in;					/* number of input bytes */
-long bytes_out;					/* number of output bytes */
-char ifname[MAX_PATH_LEN];		/* input file name */
-char ofname[MAX_PATH_LEN];		/* output file name */
-int remove_ofname = 0;			/* remove output file on error */
-struct stat istat;				/* status for input file */
-int ifd;						/* input file descriptor */
-int ofd;						/* output file descriptor */
-unsigned insize;				/* valid bytes in inbuf */
-unsigned inptr;					/* index of next byte to be processed in inbuf */
-unsigned outcnt;				/* bytes in output buffer */
+static int part_nb;					/* number of parts in .gz file */
+static long time_stamp;				/* original time stamp (modification time) */
+static long ifile_size;				/* input file size, -1 for devices (debug only) */
+static char z_suffix[MAX_SUFFIX + 1];	/* default suffix (can be set with --suffix) */
+static int z_len;						/* strlen(z_suffix) */
+
+static long bytes_in;					/* number of input bytes */
+static long bytes_out;					/* number of output bytes */
+static char ifname[MAX_PATH_LEN];		/* input file name */
+static char ofname[MAX_PATH_LEN];		/* output file name */
+static int ifd;						/* input file descriptor */
+static int ofd;						/* output file descriptor */
+static unsigned insize;				/* valid bytes in inbuf */
+static unsigned outcnt;				/* bytes in output buffer */
 
 /* local functions */
 
diff --git a/cmdedit.c b/cmdedit.c
index a59aeebb7..8115e5259 100644
--- a/cmdedit.c
+++ b/cmdedit.c
@@ -69,7 +69,7 @@ static struct history *his_end = NULL;	/* Last element in command line list */
 #endif
 
 /* Current termio and the previous termio before starting sh */
-struct termios initial_settings, new_settings;
+static struct termios initial_settings, new_settings;
 
 
 #ifndef	_POSIX_VDISABLE
diff --git a/gunzip.c b/gunzip.c
index 0c9d40670..1ff3c40fb 100644
--- a/gunzip.c
+++ b/gunzip.c
@@ -155,32 +155,28 @@ typedef unsigned short ush;
 typedef unsigned long ulg;
 typedef int file_t;				/* Do not use stdio */
 
-uch *inbuf;
-uch *outbuf;
-ush *d_buf;
-uch *window;
-ush *tab_prefix0;
-ush *tab_prefix1;
+static uch *inbuf;
+static uch *outbuf;
+static ush *d_buf;
+static uch *window;
+static ush *tab_prefix0;
+static ush *tab_prefix1;
 
 /* local variables */
-int test_mode = 0;	/* check file integrity option */
-int foreground;		/* set if program run in foreground */
-int maxbits = BITS;	/* max bits per code for LZW */
-int method = DEFLATED;	/* compression method */
-int exit_code = OK;	/* program exit code */
-int last_member;	/* set for .zip and .Z files */
-int part_nb;		/* number of parts in .gz file */
-long ifile_size;	/* input file size, -1 for devices (debug only) */
-long bytes_in;		/* number of input bytes */
-long bytes_out;		/* number of output bytes */
-long total_in = 0;	/* input bytes for all files */
-long total_out = 0;	/* output bytes for all files */
-struct stat istat;	/* status for input file */
-int ifd;		/* input file descriptor */
-int ofd;		/* output file descriptor */
-unsigned insize;	/* valid bytes in inbuf */
-unsigned inptr;		/* index of next byte to be processed in inbuf */
-unsigned outcnt;	/* bytes in output buffer */
+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 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) */
+static long bytes_in;		/* number of input bytes */
+static long bytes_out;		/* number of output bytes */
+static int ifd;		/* input file descriptor */
+static int ofd;		/* output file descriptor */
+static unsigned insize;	/* valid bytes in inbuf */
+static unsigned inptr;		/* index of next byte to be processed in inbuf */
+static unsigned outcnt;	/* bytes in output buffer */
 
 unsigned hufts;		/* track memory usage */
 ulg bb;			/* bit buffer */
diff --git a/gzip.c b/gzip.c
index 6b25e47df..add94d0d7 100644
--- a/gzip.c
+++ b/gzip.c
@@ -1754,34 +1754,23 @@ DECLARE(ush, tab_prefix1, 1L << (BITS - 1));
 
 		/* local variables */
 
-int ascii = 0;					/* convert end-of-lines to local OS conventions */
-int decompress = 0;				/* decompress (-d) */
-int no_name = -1;				/* don't save or restore the original file name */
-int no_time = -1;				/* don't save or restore the original file time */
-int foreground;					/* set if program run in foreground */
-char *progname;					/* program name */
+static int foreground;					/* set if program run in foreground */
 static int method = DEFLATED;	/* compression method */
 static int exit_code = OK;		/* program exit code */
-int save_orig_name;				/* set if original name must be saved */
-int last_member;				/* set for .zip and .Z files */
-int part_nb;					/* number of parts in .gz file */
-long time_stamp;				/* original time stamp (modification time) */
-long ifile_size;				/* input file size, -1 for devices (debug only) */
-char *env;						/* contents of GZIP env variable */
-char z_suffix[MAX_SUFFIX + 1];	/* default suffix (can be set with --suffix) */
-int z_len;						/* strlen(z_suffix) */
-
-long bytes_in;					/* number of input bytes */
-long bytes_out;					/* number of output bytes */
-char ifname[MAX_PATH_LEN];		/* input file name */
-char ofname[MAX_PATH_LEN];		/* output file name */
-int remove_ofname = 0;			/* remove output file on error */
-struct stat istat;				/* status for input file */
-int ifd;						/* input file descriptor */
-int ofd;						/* output file descriptor */
-unsigned insize;				/* valid bytes in inbuf */
-unsigned inptr;					/* index of next byte to be processed in inbuf */
-unsigned outcnt;				/* bytes in output buffer */
+static int part_nb;					/* number of parts in .gz file */
+static long time_stamp;				/* original time stamp (modification time) */
+static long ifile_size;				/* input file size, -1 for devices (debug only) */
+static char z_suffix[MAX_SUFFIX + 1];	/* default suffix (can be set with --suffix) */
+static int z_len;						/* strlen(z_suffix) */
+
+static long bytes_in;					/* number of input bytes */
+static long bytes_out;					/* number of output bytes */
+static char ifname[MAX_PATH_LEN];		/* input file name */
+static char ofname[MAX_PATH_LEN];		/* output file name */
+static int ifd;						/* input file descriptor */
+static int ofd;						/* output file descriptor */
+static unsigned insize;				/* valid bytes in inbuf */
+static unsigned outcnt;				/* bytes in output buffer */
 
 /* local functions */
 
diff --git a/more.c b/more.c
index f95cb48ad..ffc8206f2 100644
--- a/more.c
+++ b/more.c
@@ -49,7 +49,7 @@
 
 FILE *cin;
 
-struct termios initial_settings, new_settings;
+static struct termios initial_settings, new_settings;
 
 void gotsig(int sig)
 {
diff --git a/shell/cmdedit.c b/shell/cmdedit.c
index a59aeebb7..8115e5259 100644
--- a/shell/cmdedit.c
+++ b/shell/cmdedit.c
@@ -69,7 +69,7 @@ static struct history *his_end = NULL;	/* Last element in command line list */
 #endif
 
 /* Current termio and the previous termio before starting sh */
-struct termios initial_settings, new_settings;
+static struct termios initial_settings, new_settings;
 
 
 #ifndef	_POSIX_VDISABLE
diff --git a/util-linux/more.c b/util-linux/more.c
index f95cb48ad..ffc8206f2 100644
--- a/util-linux/more.c
+++ b/util-linux/more.c
@@ -49,7 +49,7 @@
 
 FILE *cin;
 
-struct termios initial_settings, new_settings;
+static struct termios initial_settings, new_settings;
 
 void gotsig(int sig)
 {