commit 459161481a21202d60db2207db49acb85897a0ea
parent 575b38391c9e329645559ed245456e46ba6a41c6
Author: dwts <mr.dwts@gmail.com>
Date: Tue, 22 Apr 2014 16:44:16 +0300
use always static for usage and keep usage definition above main
Diffstat:
6 files changed, 32 insertions(+), 34 deletions(-)
diff --git a/cksum.c b/cksum.c
@@ -7,7 +7,12 @@
#include "util.h"
static void cksum(FILE *, const char *);
-static void usage(void);
+
+static void
+usage(void)
+{
+ eprintf("usage: %s [files...]\n", argv0);
+}
static const unsigned long crctab[] = { 0x00000000,
0x04c11db7, 0x09823b6e, 0x0d4326d9, 0x130476dc, 0x17c56b6b,
@@ -113,8 +118,3 @@ cksum(FILE *fp, const char *s)
putchar('\n');
}
-void
-usage(void)
-{
- eprintf("usage: %s [files...]\n", argv0);
-}
diff --git a/du.c b/du.c
@@ -20,7 +20,7 @@ static bool kflag = false;
static long du(const char *);
static void print(long n, char *path);
-void
+static void
usage(void)
{
eprintf("usage: %s [-a | -s] [-k] [file...]\n", argv0);
diff --git a/env.c b/env.c
@@ -8,7 +8,11 @@
extern char **environ;
-static void usage(void);
+static void
+usage(void)
+{
+ eprintf("usage: env [-i] [-u name]... [name=value]... [cmd [arg...]]\n");
+}
int
main(int argc, char *argv[])
@@ -39,8 +43,3 @@ main(int argc, char *argv[])
return EXIT_SUCCESS;
}
-void
-usage(void)
-{
- eprintf("usage: env [-i] [-u name]... [name=value]... [cmd [arg...]]\n");
-}
diff --git a/grep.c b/grep.c
@@ -12,7 +12,6 @@ enum { Match = 0, NoMatch = 1, Error = 2 };
static void addpattern(const char *);
static bool grep(FILE *, const char *);
-static void usage(void);
static bool eflag = false;
static bool vflag = false;
@@ -25,6 +24,12 @@ static struct plist {
struct plist *next;
} *phead;
+static void
+usage(void)
+{
+ enprintf(Error, "usage: %s [-Ecilnqv] [-e pattern] pattern [files...]\n", argv0);
+}
+
int
main(int argc, char *argv[])
{
@@ -158,8 +163,3 @@ end:
return match;
}
-void
-usage(void)
-{
- enprintf(Error, "usage: %s [-Ecilnqv] [-e pattern] pattern [files...]\n", argv0);
-}
diff --git a/test.c b/test.c
@@ -9,7 +9,15 @@
static bool unary(const char *, const char *);
static bool binary(const char *, const char *, const char *);
-static void usage(void);
+
+static void
+usage(void)
+{
+ const char *ket = (*argv0 == '[') ? " ]" : "";
+
+ eprintf("usage: %s string%s\n"
+ " %s [!] [-bcdefgkhLnprSstuwxz] string%s\n", argv0, ket, argv0, ket);
+}
int
main(int argc, char *argv[])
@@ -149,11 +157,3 @@ binary(const char *arg1, const char *op, const char *arg2)
return false;
}
-void
-usage(void)
-{
- const char *ket = (*argv0 == '[') ? " ]" : "";
-
- eprintf("usage: %s string%s\n"
- " %s [!] [-bcdefgkhLnprSstuwxz] string%s\n", argv0, ket, argv0, ket);
-}
diff --git a/yes.c b/yes.c
@@ -3,7 +3,11 @@
#include <stdlib.h>
#include "util.h"
-static void usage(void);
+static void
+usage(void)
+{
+ eprintf("usage: %s [string]\n", argv0);
+}
int
main(int argc, char *argv[])
@@ -18,8 +22,3 @@ main(int argc, char *argv[])
return EXIT_FAILURE; /* should not reach */
}
-void
-usage(void)
-{
- eprintf("usage: %s [string]\n", argv0);
-}