Changeset 1705 for trunk/src/kmk/kmkbuiltin/chmod.c

Timestamp:

Sep 2, 2008, 5:17:42 AM (17 years ago)

Author:

bird

Message:

kmk_chmod: Ported chmod. Fixes #41.

File:

• trunk/src/kmk/kmkbuiltin/chmod.c (modified) (7 diffs)

trunk/src/kmk/kmkbuiltin/chmod.c

@@ -39 +39 @@
 #endif /* not lint */
 #endif
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD: src/bin/chmod/chmod.c,v 1.33 2005/01/10 08:39:20 imp Exp $");
+/*#include <sys/cdefs.h> */
+/*__FBSDID("$FreeBSD: src/bin/chmod/chmod.c,v 1.33 2005/01/10 08:39:20 imp Exp $");*/
 
 #include <sys/types.h>
 #include <sys/stat.h>
 
-#include <err.h>
+#include "err.h"
 #include <errno.h>
 #include <fts.h>
@@ -52 +52 @@
 #include <stdlib.h>
 #include <string.h>
-#include <unistd.h>
-
-void usage(void);
+#ifndef _MSC_VER
+# include <unistd.h>
+#else
+# include "mscfakes.h"
+#endif 
+#include "getopt.h"
+#include "kmkbuiltin.h"
+
+#if defined(__APPLE__) && !defined(_DARWIN_FEATURE_UNIX_CONFORMANCE)
+extern int lchmod(const char *, mode_t);
+#endif
+
+static int usage(FILE *);
+
+static struct option long_options[] =
+{
+    { "help",                                           no_argument, 0, 261 },
+    { "version",                                        no_argument, 0, 262 },
+    { 0, 0,     0, 0 },
+};
+
 
 int
-main(int argc, char *argv[])
+kmk_builtin_chmod(int argc, char *argv[], char **envp)
 {
         FTS *ftsp;
@@ -68 +86 @@
         int (*change_mode)(const char *, mode_t);
 
+        /* kmk: reset getopt and set progname */
+        g_progname = argv[0];
+        opterr = 1;
+        optarg = NULL;
+        optopt = 0;
+        optind = 0; /* init */
+
         set = NULL;
         Hflag = Lflag = Rflag = fflag = hflag = vflag = 0;
-        while ((ch = getopt(argc, argv, "HLPRXfghorstuvwx")) != -1)
+        while ((ch = getopt_long(argc, argv, "HLPRXfghorstuvwx", long_options, NULL)) != -1)
                 switch (ch) {
                 case 'H':
@@ -116 +141 @@
                         vflag++;
                         break;
+                case 261:
+                        usage(stdout);
+                        return 0;
+                case 262:
+                        return kbuild_version(argv[0]);
                 case '?':
                 default:
-                        usage();
+                        return usage(stderr);
                 }
 done:   argv += optind;
@@ -124 +154 @@
 
         if (argc < 2)
-                usage();
+                return usage(stderr);
 
         if (Rflag) {
                 fts_options = FTS_PHYSICAL;
                 if (hflag)
-                        errx(1,
+                        return errx(1,
                 "the -R and -h options may not be specified together.");
                 if (Hflag)
@@ -147 +177 @@
         mode = *argv;
         if ((set = setmode(mode)) == NULL)
-                errx(1, "invalid file mode: %s", mode);
+                return errx(1, "invalid file mode: %s", mode);
 
         if ((ftsp = fts_open(++argv, fts_options, 0)) == NULL)
-                err(1, "fts_open");
+                return err(1, "fts_open");
         for (rval = 0; (p = fts_read(ftsp)) != NULL;) {
                 switch (p->fts_info) {
@@ -208 +238 @@
         }
         if (errno)
-                err(1, "fts_read");
+                rval = err(1, "fts_read");
         free(set);
-        exit(rval);
+        fts_close(ftsp);
+        return rval;
 }
 
-void
-usage(void)
+int
+usage(FILE *out)
 {
-        (void)fprintf(stderr,
-            "usage: chmod [-fhv] [-R [-H | -L | -P]] mode file ...\n");
-        exit(1);
+        (void)fprintf(out,
+            "usage: %s [-fhv] [-R [-H | -L | -P]] mode file ...\n"
+            "   or: %s --version\n"
+            "   or: %s --help\n",
+            g_progname, g_progname, g_progname);
+
+        return 1;
 }