Audit pwd(1)

Nothing special
1) Update manpage to current style.
2) Reorder functions
3) Logical trickery in getpwd()

README

@@ -54,7 +54,7 @@ The following tools are implemented ('*' == finished, '#' == UTF-8 support,
 #*  paste           yes                          none
 =*| printenv        non-posix                    none
 #*  printf          yes                          none
-=*  pwd             yes                          none
+=*| pwd             yes                          none
 =   readlink        non-posix                    none
 =*  renice          yes                          none
 =*| rm              yes                          none (-i)

pwd.1

@@ -1,4 +1,4 @@
-.Dd November 23, 2014
+.Dd March 3, 2015
 .Dt PWD 1
 .Os sbase
 .Sh NAME
@@ -13,7 +13,7 @@ prints the path of the current working directory.
 .Sh OPTIONS
 .Bl -tag -width Ds
 .It Fl L
-Logical path, uses $PWD (default).
+Logical path, uses $PWD. This is the default.
 .It Fl P
 Physical path, avoids all symlinks.
 .El

pwd.c

@@ -6,7 +6,19 @@
 
 #include "util.h"
 
-static const char *getpwd(const char *cwd);
+static const char *
+getpwd(const char *cwd)
+{
+	const char *pwd;
+	struct stat cst, pst;
+
+	if (!(pwd = getenv("PWD")) || pwd[0] != '/' || stat(pwd, &pst) < 0)
+		return cwd;
+	if (stat(cwd, &cst) < 0)
+		eprintf("stat %s:", cwd);
+
+	return (pst.st_dev == cst.st_dev && pst.st_ino == cst.st_ino) ? pwd : cwd;
+}
 
 static void
 usage(void)
@@ -34,19 +46,3 @@ main(int argc, char *argv[])
 
 	return 0;
 }
-
-static const char *
-getpwd(const char *cwd)
-{
-	const char *pwd;
-	struct stat cst, pst;
-
-	if (!(pwd = getenv("PWD")) || pwd[0] != '/' || stat(pwd, &pst) < 0)
-		return cwd;
-	if (stat(cwd, &cst) < 0)
-		eprintf("stat %s:", cwd);
-	if (pst.st_dev == cst.st_dev && pst.st_ino == cst.st_ino)
-		return pwd;
-	else
-		return cwd;
-}