Fixed a typo pointed out by Peter Strazovec.
[rsync/rsync.git] / options.c
index a5c4b8b..bc56b0c 100644 (file)
--- a/options.c
+++ b/options.c
@@ -20,6 +20,7 @@
 
 #include "rsync.h"
 #include "popt.h"
+#include "zlib/zlib.h"
 
 extern int module_id;
 extern int sanitize_paths;
@@ -64,6 +65,7 @@ int one_file_system = 0;
 int protocol_version = PROTOCOL_VERSION;
 int sparse_files = 0;
 int do_compression = 0;
+int def_compress_level = Z_DEFAULT_COMPRESSION;
 int am_root = 0;
 int am_server = 0;
 int am_sender = 0;
@@ -99,6 +101,7 @@ int ignore_non_existing = 0;
 int need_messages_from_generator = 0;
 int max_delete = 0;
 OFF_T max_size = 0;
+OFF_T min_size = 0;
 int ignore_errors = 0;
 int modify_window = 0;
 int blocking_io = -1;
@@ -164,10 +167,10 @@ static int daemon_opt;   /* sets am_daemon after option error-reporting */
 static int F_option_cnt = 0;
 static int modify_window_set;
 static int itemize_changes = 0;
-static int refused_delete, refused_archive_part;
+static int refused_delete, refused_archive_part, refused_compress;
 static int refused_partial, refused_progress, refused_delete_before;
 static int refused_inplace;
-static char *max_size_arg;
+static char *max_size_arg, *min_size_arg;
 static char partialdir_for_delayupdate[] = ".~tmp~";
 
 /** Local address to bind.  As a character string because it's
@@ -295,8 +298,8 @@ void usage(enum logcode F)
   rprintf(F," -B, --block-size=SIZE       force a fixed checksum block-size\n");
   rprintf(F," -e, --rsh=COMMAND           specify the remote shell to use\n");
   rprintf(F,"     --rsync-path=PROGRAM    specify the rsync to run on the remote machine\n");
-  rprintf(F,"     --existing              only update files that already exist on receiver\n");
   rprintf(F,"     --ignore-existing       ignore files that already exist on receiving side\n");
+  rprintf(F,"     --ignore-non-existing   ignore files that don't exist on receiving side\n");
   rprintf(F,"     --remove-sent-files     sent files/symlinks are removed from sending side\n");
   rprintf(F,"     --del                   an alias for --delete-during\n");
   rprintf(F,"     --delete                delete files that don't exist on the sending side\n");
@@ -308,6 +311,7 @@ void usage(enum logcode F)
   rprintf(F,"     --force                 force deletion of directories even if not empty\n");
   rprintf(F,"     --max-delete=NUM        don't delete more than NUM files\n");
   rprintf(F,"     --max-size=SIZE         don't transfer any file larger than SIZE\n");
+  rprintf(F,"     --min-size=SIZE         don't transfer any file smaller than SIZE\n");
   rprintf(F,"     --partial               keep partially transferred files\n");
   rprintf(F,"     --partial-dir=DIR       put a partially transferred file into DIR\n");
   rprintf(F,"     --delay-updates         put all updated files into place at transfer's end\n");
@@ -322,6 +326,7 @@ void usage(enum logcode F)
   rprintf(F,"     --copy-dest=DIR         ... and include copies of unchanged files\n");
   rprintf(F,"     --link-dest=DIR         hardlink to files in DIR when unchanged\n");
   rprintf(F," -z, --compress              compress file data during the transfer\n");
+  rprintf(F,"     --compress-level=NUM    explicitly set compression level\n");
   rprintf(F," -C, --cvs-exclude           auto-ignore files the same way CVS does\n");
   rprintf(F," -f, --filter=RULE           add a file-filtering RULE\n");
   rprintf(F," -F                          same as --filter='dir-merge /.rsync-filter'\n");
@@ -361,7 +366,7 @@ void usage(enum logcode F)
 
 enum {OPT_VERSION = 1000, OPT_DAEMON, OPT_SENDER, OPT_EXCLUDE, OPT_EXCLUDE_FROM,
       OPT_FILTER, OPT_COMPARE_DEST, OPT_COPY_DEST, OPT_LINK_DEST,
-      OPT_INCLUDE, OPT_INCLUDE_FROM, OPT_MODIFY_WINDOW,
+      OPT_INCLUDE, OPT_INCLUDE_FROM, OPT_MODIFY_WINDOW, OPT_MIN_SIZE,
       OPT_READ_BATCH, OPT_WRITE_BATCH, OPT_ONLY_WRITE_BATCH, OPT_MAX_SIZE,
       OPT_REFUSED_BASE = 9000};
 
@@ -419,6 +424,7 @@ static struct poptOption long_options[] = {
   {"ignore-existing",  0,  POPT_ARG_NONE,   &ignore_existing, 0, 0, 0 },
   {"ignore-non-existing",0,POPT_ARG_NONE,   &ignore_non_existing, 0, 0, 0 },
   {"max-size",         0,  POPT_ARG_STRING, &max_size_arg, OPT_MAX_SIZE, 0, 0 },
+  {"min-size",         0,  POPT_ARG_STRING, &min_size_arg, OPT_MIN_SIZE, 0, 0 },
   {"sparse",          'S', POPT_ARG_NONE,   &sparse_files, 0, 0, 0 },
   {"inplace",          0,  POPT_ARG_NONE,   &inplace, 0, 0, 0 },
   {"append",           0,  POPT_ARG_VAL,    &append_mode, 1, 0, 0 },
@@ -448,7 +454,8 @@ static struct poptOption long_options[] = {
   {"copy-dest",        0,  POPT_ARG_STRING, 0, OPT_COPY_DEST, 0, 0 },
   {"link-dest",        0,  POPT_ARG_STRING, 0, OPT_LINK_DEST, 0, 0 },
   {"fuzzy",           'y', POPT_ARG_NONE,   &fuzzy_basis, 0, 0, 0 },
-  {"compress",        'z', POPT_ARG_NONE,   &do_compression, 0, 0, 0 },
+  {"compress",        'z', POPT_ARG_NONE,   0, 'z', 0, 0 },
+  {"compress-level",   0,  POPT_ARG_INT,    &def_compress_level, 'z', 0, 0 },
   {0,                 'P', POPT_ARG_NONE,   0, 'P', 0, 0 },
   {"progress",         0,  POPT_ARG_VAL,    &do_progress, 1, 0, 0 },
   {"no-progress",      0,  POPT_ARG_VAL,    &do_progress, 0, 0, 0 },
@@ -595,6 +602,9 @@ static void set_refuse_options(char *bp)
                                case 't': case 'g': case 'o': case 'D':
                                        refused_archive_part = op->val;
                                        break;
+                               case 'z':
+                                       refused_compress = op->val;
+                                       break;
                                case '\0':
                                        if (wildmatch("delete", op->longName))
                                                refused_delete = op->val;
@@ -663,11 +673,10 @@ static OFF_T parse_size_arg(char **size_arg, char def_suf)
                mult = 1024;
        if ((p = strstr(arg, "+1")) != NULL
         || (p = strstr(arg, "-1")) != NULL) {
-               if (p[2] == '\0') {
-                       size = atoi(p + (*p == '+'));
-                       make_compatible = 1;
-               } else
-                       p = NULL;
+               if (p[2] != '\0')
+                       return -1;
+               size = atoi(p);
+               make_compatible = 1;
        }
        switch (*arg && arg != p ? *arg : def_suf) {
        case 'b': case 'B':
@@ -687,8 +696,8 @@ static OFF_T parse_size_arg(char **size_arg, char def_suf)
                break;
        }
        if (size > 0 && make_compatible) {
-               /* We convert this manually because we many need %lld
-                * precision, and that's not portable. */
+               /* We convert this manually because we may need %lld precision,
+                * and that's not a portable sprintf() escape. */
                char buf[128], *s = buf + sizeof buf;
                OFF_T num = size;
                *--s = '\0';
@@ -899,6 +908,21 @@ int parse_arguments(int *argc, const char ***argv, int frommain)
                        keep_partial = 1;
                        break;
 
+               case 'z':
+                       if (def_compress_level < Z_DEFAULT_COMPRESSION
+                        || def_compress_level > Z_BEST_COMPRESSION) {
+                               snprintf(err_buf, sizeof err_buf,
+                                       "--compress-level value is invalid: %d\n",
+                                       def_compress_level);
+                               return 0;
+                       }
+                       do_compression = def_compress_level != Z_NO_COMPRESSION;
+                       if (do_compression && refused_compress) {
+                               create_refuse_error(refused_compress);
+                               return 0;
+                       }
+                       break;
+
                case OPT_WRITE_BATCH:
                        /* batch_name is already set */
                        write_batch = 1;
@@ -923,6 +947,15 @@ int parse_arguments(int *argc, const char ***argv, int frommain)
                        }
                        break;
 
+               case OPT_MIN_SIZE:
+                       if ((min_size = parse_size_arg(&min_size_arg, 'b')) <= 0) {
+                               snprintf(err_buf, sizeof err_buf,
+                                       "--min-size value is invalid: %s\n",
+                                       min_size_arg);
+                               return 0;
+                       }
+                       break;
+
                case OPT_LINK_DEST:
 #ifdef HAVE_LINK
                        link_dest = 1;
@@ -1420,6 +1453,12 @@ void server_options(char **args,int *argc)
        if (list_only > 1)
                args[ac++] = "--list-only";
 
+       if (do_compression && def_compress_level != Z_DEFAULT_COMPRESSION) {
+               if (asprintf(&arg, "--compress-level=%d", def_compress_level) < 0)
+                       goto oom;
+               args[ac++] = arg;
+       }
+
        /* The server side doesn't use our log-format, but in certain
         * circumstances they need to know a little about the option. */
        if (log_format && am_sender) {
@@ -1443,6 +1482,11 @@ void server_options(char **args,int *argc)
                args[ac++] = arg;
        }
 
+       if (min_size && am_sender) {
+               args[ac++] = "--min-size";
+               args[ac++] = min_size_arg;
+       }
+
        if (max_size && am_sender) {
                args[ac++] = "--max-size";
                args[ac++] = max_size_arg;