Author: eadler
Date: Wed Apr 24 12:47:41 2013
New Revision: 249841
URL: http://svnweb.freebsd.org/changeset/base/249841
Log:
MFC r227101:
Add static keywords to variables and functions where possible in games/.
This allows us to detect unused functions and variables and allows the
compiler to do a better job at optimisation.
Modified:
stable/8/games/bcd/bcd.c
stable/8/games/grdc/grdc.c
stable/8/games/morse/morse.c
stable/8/games/number/number.c
Directory Properties:
stable/8/games/bcd/ (props changed)
stable/8/games/grdc/ (props changed)
stable/8/games/morse/ (props changed)
stable/8/games/number/ (props changed)
Modified: stable/8/games/bcd/bcd.c
==============================================================================
--- stable/8/games/bcd/bcd.c Wed Apr 24 12:47:30 2013 (r249840)
+++ stable/8/games/bcd/bcd.c Wed Apr 24 12:47:41 2013 (r249841)
@@ -86,7 +86,7 @@ static const char rcsid[] =
#include <string.h>
#include <unistd.h>
-u_short holes[256] = {
+static u_short holes[256] = {
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
@@ -121,7 +121,7 @@ u_short holes[256] = {
0x202, 0x201, 0x082, 0x806, 0x822, 0x600, 0x282, 0x0
};
-void printcard(char *);
+static void printcard(char *);
/*
* i'th bit of w.
@@ -149,7 +149,7 @@ main(int argc, char **argv)
#define COLUMNS 48
-void
+static void
printcard(char *str)
{
static char rowchars[] = " 123456789";
Modified: stable/8/games/grdc/grdc.c
==============================================================================
--- stable/8/games/grdc/grdc.c Wed Apr 24 12:47:30 2013 (r249840)
+++ stable/8/games/grdc/grdc.c Wed Apr 24 12:47:41 2013 (r249841)
@@ -26,29 +26,30 @@
#define XLENGTH 58
#define YDEPTH 7
-struct timespec now;
-struct tm *tm;
+static struct timespec now;
+static struct tm *tm;
-short disp[11] = {
+static short disp[11] = {
075557, 011111, 071747, 071717, 055711,
074717, 074757, 071111, 075757, 075717, 002020
};
-long old[6], next[6], new[6], mask;
+static long old[6], next[6], new[6], mask;
-volatile sig_atomic_t sigtermed;
+static volatile sig_atomic_t sigtermed;
-int hascolor = 0;
+static int hascolor = 0;
-void set(int, int);
-void standt(int);
-void movto(int, int);
-void sighndl(int);
-void usage(void);
+static void set(int, int);
+static void standt(int);
+static void movto(int, int);
+static void sighndl(int);
+static void usage(void);
-void
+static void
sighndl(int signo)
{
- sigtermed=signo;
+
+ sigtermed = signo;
}
int
@@ -225,7 +226,7 @@ main(int argc, char *argv[])
return(0);
}
-void
+static void
set(int t, int n)
{
int i, m;
@@ -239,7 +240,7 @@ set(int t, int n)
mask |= m;
}
-void
+static void
standt(int on)
{
if (on) {
@@ -257,13 +258,13 @@ standt(int on)
}
}
-void
+static void
movto(int line, int col)
{
move(line, col);
}
-void
+static void
usage(void)
{
Modified: stable/8/games/morse/morse.c
==============================================================================
--- stable/8/games/morse/morse.c Wed Apr 24 12:47:30 2013
(r249840)
+++ stable/8/games/morse/morse.c Wed Apr 24 12:47:41 2013
(r249841)
@@ -262,33 +262,33 @@ static const struct morsetab koi8rtab[]
{'\0', ""}
};
-void show(const char *), play(const char *), morse(char);
-void ttyout(const char *);
-void sighandler(int);
+static void show(const char *), play(const char *), morse(char);
+static void ttyout(const char *);
+static void sighandler(int);
#define GETOPTOPTS "c:d:ef:lsw:"
#define USAGE \
"usage: morse [-els] [-d device] [-w speed] [-c speed] [-f frequency] [string
...]\n"
-static int pflag, lflag, sflag, eflag;
-static int wpm = 20; /* effective words per minute */
-static int cpm; /* effective words per minute between
+static int pflag, lflag, sflag, eflag;
+static int wpm = 20; /* effective words per minute */
+static int cpm; /* effective words per minute between
* characters */
#define FREQUENCY 600
-static int freq = FREQUENCY;
+static int freq = FREQUENCY;
static char *device; /* for tty-controlled generator */
#define DASH_LEN 3
#define CHAR_SPACE 3
#define WORD_SPACE (7 - CHAR_SPACE - 1)
-static float dot_clock;
-static float cdot_clock;
-int spkr, line;
-struct termios otty, ntty;
-int olflags;
+static float dot_clock;
+static float cdot_clock;
+static int spkr, line;
+static struct termios otty, ntty;
+static int olflags;
#ifdef SPEAKER
-tone_t sound;
+static tone_t sound;
#undef GETOPTOPTS
#define GETOPTOPTS "c:d:ef:lpsw:"
#undef USAGE
@@ -440,7 +440,7 @@ main(int argc, char **argv)
exit(0);
}
-void
+static void
morse(char c)
{
const struct morsetab *m;
@@ -474,7 +474,7 @@ morse(char c)
}
}
-void
+static void
show(const char *s)
{
if (lflag) {
@@ -489,7 +489,7 @@ show(const char *s)
}
}
-void
+static void
play(const char *s)
{
#ifdef SPEAKER
@@ -531,7 +531,7 @@ play(const char *s)
#endif
}
-void
+static void
ttyout(const char *s)
{
const char *c;
@@ -573,7 +573,7 @@ ttyout(const char *s)
usleep(duration);
}
-void
+static void
sighandler(int signo)
{
Modified: stable/8/games/number/number.c
==============================================================================
--- stable/8/games/number/number.c Wed Apr 24 12:47:30 2013
(r249840)
+++ stable/8/games/number/number.c Wed Apr 24 12:47:41 2013
(r249841)
@@ -78,14 +78,13 @@ static const char *name1[] = {
"novemdecillion", "vigintillion",
};
-void convert(char *);
-int number(char *, int);
-void pfract(int);
-void toobig(void);
-int unit(int, char *);
-void usage(void);
+static void convert(char *);
+static int number(char *, int);
+static void pfract(int);
+static int unit(int, char *);
+static void usage(void);
-int lflag;
+static int lflag;
int
main(argc, argv)
@@ -126,7 +125,7 @@ main(argc, argv)
exit(0);
}
-void
+static void
convert(line)
char *line;
{
@@ -195,7 +194,7 @@ badnum: errx(1, "illegal number: %s",
(void)printf("\n");
}
-int
+static int
unit(len, p)
int len;
char *p;
@@ -231,7 +230,7 @@ unit(len, p)
return (rval);
}
-int
+static int
number(p, len)
char *p;
int len;
@@ -271,7 +270,7 @@ number(p, len)
return (rval);
}
-void
+static void
pfract(len)
int len;
{
@@ -290,7 +289,7 @@ pfract(len)
}
}
-void
+static void
usage()
{
(void)fprintf(stderr, "usage: number [-l] [# ...]\n");
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