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Put some static keywords in the source code.

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For these simple utilities, it doesn't harm to make all global variables
static. In fact, this allows the compiler to perform better forms of
optimisation and analysis.
This commit is contained in:
Ed Schouten 2011-10-31 08:59:17 +00:00
parent d883a297a1
commit f9d4afb439
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=226961
6 changed files with 23 additions and 23 deletions
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6
bin/cat/cat.c
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@ -64,9 +64,9 @@ __FBSDID("$FreeBSD$");
#include <unistd.h>
#include <stddef.h>
int bflag, eflag, nflag, sflag, tflag, vflag;
int rval;
const char *filename;
static int bflag, eflag, nflag, sflag, tflag, vflag;
static int rval;
static const char *filename;
static void usage(void);
static void scanfiles(char *argv[], int cooked);

18
bin/ln/ln.c
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@ -54,16 +54,16 @@ __FBSDID("$FreeBSD$");
#include <string.h>
#include <unistd.h>
int fflag; /* Unlink existing files. */
int Fflag; /* Remove empty directories also. */
int hflag; /* Check new name for symlink first. */
int iflag; /* Interactive mode. */
int Pflag; /* Create hard links to symlinks. */
int sflag; /* Symbolic, not hard, link. */
int vflag; /* Verbose output. */
int wflag; /* Warn if symlink target does not
static int fflag; /* Unlink existing files. */
static int Fflag; /* Remove empty directories also. */
static int hflag; /* Check new name for symlink first. */
static int iflag; /* Interactive mode. */
static int Pflag; /* Create hard links to symlinks. */
static int sflag; /* Symbolic, not hard, link. */
static int vflag; /* Verbose output. */
static int wflag; /* Warn if symlink target does not
* exist, and -f is not enabled. */
char linkch;
static char linkch;
int linkit(const char *, const char *, int);
void usage(void);

2
bin/mkdir/mkdir.c
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@ -56,7 +56,7 @@ __FBSDID("$FreeBSD$");
static int build(char *, mode_t);
static void usage(void);
int vflag;
static int vflag;
int
main(int argc, char *argv[])

2
bin/mv/mv.c
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@ -68,7 +68,7 @@ __FBSDID("$FreeBSD$");
/* Exit code for a failed exec. */
#define EXEC_FAILED 127
int fflg, iflg, nflg, vflg;
static int fflg, iflg, nflg, vflg;
static int copy(const char *, const char *);
static int do_move(const char *, const char *);

8
bin/rm/rm.c
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@ -57,10 +57,10 @@ __FBSDID("$FreeBSD$");
#include <sysexits.h>
#include <unistd.h>
int dflag, eval, fflag, iflag, Pflag, vflag, Wflag, stdin_ok;
int rflag, Iflag;
uid_t uid;
volatile sig_atomic_t info;
static int dflag, eval, fflag, iflag, Pflag, vflag, Wflag, stdin_ok;
static int rflag, Iflag;
static uid_t uid;
static volatile sig_atomic_t info;
int check(char *, char *, struct stat *);
int check2(char **);

10
bin/test/test.c
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@ -118,7 +118,7 @@ enum token_types {
PAREN
};
struct t_op {
static struct t_op {
const char *op_text;
short op_num, op_type;
} const ops [] = {
@ -165,10 +165,10 @@ struct t_op {
{0, 0, 0}
};
struct t_op const *t_wp_op;
int nargc;
char **t_wp;
int parenlevel;
static struct t_op const *t_wp_op;
static int nargc;
static char **t_wp;
static int parenlevel;
static int aexpr(enum token);
static int binop(void);