Add conditional support for -v / --verbose
authorDenys Vlasenko <vda.linux@googlemail.com>
Mon, 19 May 2014 14:23:50 +0000 (16:23 +0200)
committerDenys Vlasenko <vda.linux@googlemail.com>
Mon, 19 May 2014 14:23:50 +0000 (16:23 +0200)
With FEATURE_VERBOSE off, practically no size change.
With it on:

function                                             old     new   delta
remove_file                                          493     556     +63
install_main                                         719     765     +46
bb_make_directory                                    383     419     +36
rmdir_main                                           162     191     +29
copy_file                                           1516    1544     +28
mv_main                                              502     525     +23
cmp_main                                             677     693     +16
bbconfig_config_bz2                                 5264    5279     +15
mkdir_main                                           158     168     +10
install_longopts                                      66      76     +10
rm_main                                              167     175      +8
nexpr                                                840     846      +6
scan_tree                                            275     280      +5
fsck_main                                           1807    1811      +4
ed_main                                             2541    2545      +4
expand_one_var                                      1574    1575      +1
swap_on_off_main                                     420     418      -2
parse_command                                       1443    1440      -3
redirect                                            1279    1274      -5
do_load                                              946     918     -28
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 16/4 up/down: 304/-38)          Total: 266 bytes

Based on the patch by Igor Živković.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
coreutils/Config.src
coreutils/cp.c
coreutils/install.c
coreutils/mkdir.c
coreutils/mv.c
coreutils/rm.c
coreutils/rmdir.c
include/libbb.h
libbb/copy_file.c
libbb/make_directory.c
libbb/remove_file.c

index 33defa4db23b0c955c3ef5af876d77fad5a4ce6d..68c71788334b833a51b9dbb17636d577341b1efd 100644 (file)
@@ -739,6 +739,16 @@ config YES
          yes is used to repeatedly output a specific string, or
          the default string `y'.
 
+comment "Common options"
+
+config FEATURE_VERBOSE
+       bool "Support verbose options (usually -v) for various applets"
+       default y
+       help
+         Enable cp -v, rm -v and similar messages.
+         Also enables long option (--verbose) if it exists.
+         Without this option, -v is accepted but ignored.
+
 comment "Common options for cp and mv"
        depends on CP || MV
 
index de2e512be3b5ee510624b368a1f060615854055a..247ed0fda0632ca9dcbd08e130e9e46a21e3d666 100644 (file)
@@ -79,7 +79,6 @@ int cp_main(int argc, char **argv)
                "parents\0"        No_argument "\xff"
                ;
 #endif
-       // -v (--verbose) is ignored
        flags = getopt32(argv, FILEUTILS_CP_OPTSTR "arPv");
        /* Options of cp from GNU coreutils 6.10:
         * -a, --archive
index 445497f9a8ef0e30cd5656dc4c06ad317a5ee4a7..6c88ae11c32c6dc377cb055b53b253effa710238 100644 (file)
@@ -28,6 +28,9 @@
 
 #if ENABLE_FEATURE_INSTALL_LONG_OPTIONS
 static const char install_longopts[] ALIGN1 =
+       IF_FEATURE_VERBOSE(
+       "verbose\0"             No_argument       "v"
+       )
        "directory\0"           No_argument       "d"
        "preserve-timestamps\0" No_argument       "p"
        "strip\0"               No_argument       "s"
@@ -89,6 +92,7 @@ int install_main(int argc, char **argv)
        const char *gid_str;
        const char *uid_str;
        const char *mode_str;
+       int mkdir_flags = FILEUTILS_RECUR;
        int copy_flags = FILEUTILS_DEREFERENCE | FILEUTILS_FORCE;
        int opts;
        int min_args = 1;
@@ -120,7 +124,6 @@ int install_main(int argc, char **argv)
 #endif
        opt_complementary = "s--d:d--s" IF_FEATURE_INSTALL_LONG_OPTIONS(IF_SELINUX(":Z--\xff:\xff--Z"));
        /* -c exists for backwards compatibility, it's needed */
-       /* -v is ignored ("print name of each created directory") */
        /* -b is ignored ("make a backup of each existing destination file") */
        opts = getopt32(argv, "cvb" "Ddpsg:m:o:" IF_SELINUX("Z:"),
                        &gid_str, &mode_str, &uid_str IF_SELINUX(, &scontext));
@@ -141,6 +144,11 @@ int install_main(int argc, char **argv)
        }
 #endif
 
+       if ((opts & OPT_v) && FILEUTILS_VERBOSE) {
+               mkdir_flags |= FILEUTILS_VERBOSE;
+               copy_flags |= FILEUTILS_VERBOSE;
+       }
+
        /* preserve access and modification time, this is GNU behaviour,
         * BSD only preserves modification time */
        if (opts & OPT_PRESERVE_TIME) {
@@ -171,14 +179,14 @@ int install_main(int argc, char **argv)
                        /* GNU coreutils 6.9 does not set uid:gid
                         * on intermediate created directories
                         * (only on last one) */
-                       if (bb_make_directory(dest, 0755, FILEUTILS_RECUR)) {
+                       if (bb_make_directory(dest, 0755, mkdir_flags)) {
                                ret = EXIT_FAILURE;
                                goto next;
                        }
                } else {
                        if (opts & OPT_MKDIR_LEADING) {
                                char *ddir = xstrdup(dest);
-                               bb_make_directory(dirname(ddir), 0755, FILEUTILS_RECUR);
+                               bb_make_directory(dirname(ddir), 0755, mkdir_flags);
                                /* errors are not checked. copy_file
                                 * will fail if dir is not created. */
                                free(ddir);
index 4a8e43e4346fbc83f54473058fec81147e68edb6..864edfb0a1873f733d0605985aaaa0c59bf72387 100644 (file)
@@ -48,7 +48,9 @@ static const char mkdir_longopts[] ALIGN1 =
 #if ENABLE_SELINUX
        "context\0" Required_argument "Z"
 #endif
+#if ENABLE_FEATURE_VERBOSE
        "verbose\0" No_argument       "v"
+#endif
        ;
 #endif
 
@@ -67,7 +69,7 @@ int mkdir_main(int argc UNUSED_PARAM, char **argv)
 #if ENABLE_FEATURE_MKDIR_LONG_OPTIONS
        applet_long_options = mkdir_longopts;
 #endif
-       opt = getopt32(argv, "m:p" IF_SELINUX("Z:") "v", &smode IF_SELINUX(,&scontext));
+       opt = getopt32(argv, "m:pv" IF_SELINUX("Z:"), &smode IF_SELINUX(,&scontext));
        if (opt & 1) {
                mode_t mmode = 0777;
                if (!bb_parse_mode(smode, &mmode)) {
@@ -77,8 +79,10 @@ int mkdir_main(int argc UNUSED_PARAM, char **argv)
        }
        if (opt & 2)
                flags |= FILEUTILS_RECUR;
+       if ((opt & 4) && FILEUTILS_VERBOSE)
+               flags |= FILEUTILS_VERBOSE;
 #if ENABLE_SELINUX
-       if (opt & 4) {
+       if (opt & 8) {
                selinux_or_die();
                setfscreatecon_or_die(scontext);
        }
index f127dfabd1a793abe89e35bffae38170bdc1ab6b..50571755b51bd4d0706b96d2d5e7eca16f33b3b1 100644 (file)
@@ -33,13 +33,17 @@ static const char mv_longopts[] ALIGN1 =
        "interactive\0" No_argument "i"
        "force\0"       No_argument "f"
        "no-clobber\0"  No_argument "n"
+       IF_FEATURE_VERBOSE(
        "verbose\0"     No_argument "v"
+       )
        ;
 #endif
 
 #define OPT_FORCE       (1 << 0)
 #define OPT_INTERACTIVE (1 << 1)
 #define OPT_NOCLOBBER   (1 << 2)
+#define OPT_VERBOSE     ((1 << 3) * ENABLE_FEATURE_VERBOSE)
+
 
 int mv_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int mv_main(int argc, char **argv)
@@ -58,7 +62,6 @@ int mv_main(int argc, char **argv)
        /* Need at least two arguments.
         * If more than one of -f, -i, -n is specified , only the final one
         * takes effect (it unsets previous options).
-        * -v is accepted but ignored.
         */
        opt_complementary = "-2:f-in:i-fn:n-fi";
        flags = getopt32(argv, "finv");
@@ -148,6 +151,9 @@ int mv_main(int argc, char **argv)
                        status = 1;
                }
  RET_0:
+               if (flags & OPT_VERBOSE) {
+                       printf("'%s' -> '%s'\n", *argv, dest);
+               }
                if (dest != last) {
                        free((void *) dest);
                }
index 042fba16238ca7c33e86f086cbd6abb4ec42b71e..d0ad81dfc785160498f907ea19c6b8dc529d73c8 100644 (file)
@@ -38,7 +38,6 @@ int rm_main(int argc UNUSED_PARAM, char **argv)
        unsigned opt;
 
        opt_complementary = "f-i:i-f";
-       /* -v (verbose) is ignored */
        opt = getopt32(argv, "fiRrv");
        argv += optind;
        if (opt & 1)
@@ -47,6 +46,8 @@ int rm_main(int argc UNUSED_PARAM, char **argv)
                flags |= FILEUTILS_INTERACTIVE;
        if (opt & (8|4))
                flags |= FILEUTILS_RECUR;
+       if ((opt & 16) && FILEUTILS_VERBOSE)
+               flags |= FILEUTILS_VERBOSE;
 
        if (*argv != NULL) {
                do {
index cc2dea010ce5bfa3eed40ff16ab1fb85a896c019..0792a1c8e2487ba0410e3fd3084abd309d9673da 100644 (file)
@@ -31,7 +31,7 @@
 
 
 #define PARENTS          (1 << 0)
-//efine VERBOSE          (1 << 1) //accepted but ignored
+#define VERBOSE          ((1 << 1) * ENABLE_FEATURE_VERBOSE)
 #define IGNORE_NON_EMPTY (1 << 2)
 
 int rmdir_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
@@ -44,10 +44,12 @@ int rmdir_main(int argc UNUSED_PARAM, char **argv)
 #if ENABLE_FEATURE_RMDIR_LONG_OPTIONS
        static const char rmdir_longopts[] ALIGN1 =
                "parents\0"                  No_argument "p"
-               "verbose\0"                  No_argument "v"
                /* Debian etch: many packages fail to be purged or installed
                 * because they desperately want this option: */
                "ignore-fail-on-non-empty\0" No_argument "\xff"
+               IF_FEATURE_VERBOSE(
+               "verbose\0"                  No_argument "v"
+               )
                ;
        applet_long_options = rmdir_longopts;
 #endif
@@ -62,6 +64,10 @@ int rmdir_main(int argc UNUSED_PARAM, char **argv)
                path = *argv;
 
                while (1) {
+                       if (flags & VERBOSE) {
+                               printf("rmdir: removing directory, '%s'\n", path);
+                       }
+
                        if (rmdir(path) < 0) {
 #if ENABLE_FEATURE_RMDIR_LONG_OPTIONS
                                if ((flags & IGNORE_NON_EMPTY) && errno == ENOTEMPTY)
index afdee38c412b7a8889e4e762f9977bfa5c2ec41e..a1a0dc18cbea8afc725fdaed3b055165b4a01283 100644 (file)
@@ -334,6 +334,8 @@ enum {      /* DO NOT CHANGE THESE VALUES!  cp.c, mv.c, install.c depend on them. */
        FILEUTILS_SET_SECURITY_CONTEXT = 1 << 10,
 #endif
        FILEUTILS_IGNORE_CHMOD_ERR = 1 << 11,
+       /* -v */
+       FILEUTILS_VERBOSE         = (1 << 12) * ENABLE_FEATURE_VERBOSE,
 };
 #define FILEUTILS_CP_OPTSTR "pdRfilsLH" IF_SELINUX("c")
 extern int remove_file(const char *path, int flags) FAST_FUNC;
index 9333a8d4992b833db6ecea304e59f3ed767a5f8c..a4be875d244d8e316808833f8a53c9dacc004ac8 100644 (file)
@@ -389,5 +389,9 @@ int FAST_FUNC copy_file(const char *source, const char *dest, int flags)
                        bb_perror_msg("can't preserve %s of '%s'", "permissions", dest);
        }
 
+       if (flags & FILEUTILS_VERBOSE) {
+               printf("'%s' -> '%s'\n", source, dest);
+       }
+
        return retval;
 }
index 7826b90f5f0ae67160f137d1476ef9cd328136ca..89352ca1f180d782dd08465f7923e23d169a35ee 100644 (file)
@@ -99,6 +99,10 @@ int FAST_FUNC bb_make_directory(char *path, long mode, int flags)
                        if (!c) {
                                goto ret0;
                        }
+               } else {
+                       if (flags & FILEUTILS_VERBOSE) {
+                               printf("created directory: '%s'\n", path);
+                       }
                }
 
                if (!c) {
index 5b75f7f30e8bb8b239fd456100bf10d1be0e9dd3..eaca293d99dc061b2e628a18184921ce498f464a 100644 (file)
@@ -78,6 +78,10 @@ int FAST_FUNC remove_file(const char *path, int flags)
                        return -1;
                }
 
+               if (flags & FILEUTILS_VERBOSE) {
+                       printf("removed directory: '%s'\n", path);
+               }
+
                return status;
        }
 
@@ -98,5 +102,9 @@ int FAST_FUNC remove_file(const char *path, int flags)
                return -1;
        }
 
+       if (flags & FILEUTILS_VERBOSE) {
+               printf("removed '%s'\n", path);
+       }
+
        return 0;
 }