fd: Simplify and move for_each_file_in_dir().

[paraslash.git] / aft.c

diff --git a/aft.c b/aft.c
index 4fb60f91687e96a67e0169a1d3eeecf97f272bd1..0aa9c6ba7ac4588f1889bf4dda8ec52d3b9cf4d7 100644 (file)
--- a/aft.c
+++ b/aft.c
@@ -6,6 +6,7 @@
 #include <sys/mman.h>
 #include <fnmatch.h>
 #include <sys/shm.h>
+#include <dirent.h>
 #include <osl.h>
 #include <lopsub.h>
 
@@ -913,7 +914,7 @@ static int print_list_item(struct ls_data *d, struct ls_options *opts,
                goto out;
        write_image_items(b, afsi);
        write_lyrics_items(b, afsi);
-       hash_to_asc(d->hash, asc_hash);
+       hash2_to_asc(d->hash, asc_hash);
        WRITE_STATUS_ITEM(b, SI_hash, "%s\n", asc_hash);
        WRITE_STATUS_ITEM(b, SI_bitrate, "%dkbit/s\n", afhi->bitrate);
        WRITE_STATUS_ITEM(b, SI_format, "%s\n",
@@ -1067,8 +1068,8 @@ again:
        if (ret < 0)
                return ret;
        if (!d->hash)
-               d->hash = alloc(HASH_SIZE);
-       memcpy(d->hash, tmp_hash, HASH_SIZE);
+               d->hash = alloc(HASH2_SIZE);
+       memcpy(d->hash, tmp_hash, HASH2_SIZE);
        free(d->path);
        ret = get_audio_file_path_of_row(current_aft_row, &d->path);
        if (ret < 0)
@@ -1102,7 +1103,7 @@ again:
        if (ret < 0)
                goto out;
        hash2_function(map.data, map.size, file_hash);
-       ret = hash_compare(file_hash, d->hash);
+       ret = hash2_compare(file_hash, d->hash);
        para_munmap(map.data, map.size);
        if (ret) {
                ret = -E_HASH_MISMATCH;
@@ -1651,7 +1652,7 @@ static int com_add_callback(struct afs_callback_arg *aca)
        r_v = SERVER_CMD_OPT_RESULT(ADD, VERBOSE, aca->lpr);
 
        hash = (unsigned char *)buf + CAB_HASH_OFFSET;
-       hash_to_asc(hash, asc);
+       hash2_to_asc(hash, asc);
        objs[AFTCOL_HASH].data = buf + CAB_HASH_OFFSET;
        objs[AFTCOL_HASH].size = HASH2_SIZE;
 
@@ -1722,7 +1723,7 @@ static int com_add_callback(struct afs_callback_arg *aca)
                ret = get_hash_of_row(pb, &old_hash);
                if (ret < 0)
                        goto out;
-               hash_to_asc(old_hash, old_asc);
+               hash2_to_asc(old_hash, old_asc);
                if (lls_opt_given(r_v))
                        para_printf(&aca->pbout, "file change: %s -> %s\n",
                                old_asc, asc);
@@ -1906,6 +1907,53 @@ out_free:
        return send_ret;
 }
 
+/*
+ * Call back once for each regular file below a directory.
+ *
+ * Traverse the given directory recursively and call the supplied callback for
+ * each regular file encountered. The first argument to the callback will be
+ * the path to the regular file and the second argument will be the data
+ * pointer. All file types except regular files and directories are ignored. In
+ * particular, symlinks are not followed. Subdirectories are ignored silently
+ * if the calling process has insufficient access permissions.
+ */
+static int for_each_file_in_dir(const char *dirname,
+               int (*func)(const char *, void *), void *data)
+{
+       int ret;
+       DIR *dir;
+       struct dirent *entry;
+
+       dir = opendir(dirname);
+       if (!dir)
+               return errno == EACCES? 1 : -ERRNO_TO_PARA_ERROR(errno);
+       /* scan cwd recursively */
+       while ((entry = readdir(dir))) {
+               char *tmp;
+               struct stat s;
+
+               if (!strcmp(entry->d_name, "."))
+                       continue;
+               if (!strcmp(entry->d_name, ".."))
+                       continue;
+               tmp = make_message("%s/%s", dirname, entry->d_name);
+               ret = 0;
+               if (lstat(tmp, &s) != -1) {
+                       if (S_ISREG(s.st_mode))
+                               ret = func(tmp, data);
+                       else if (S_ISDIR(s.st_mode))
+                               ret = for_each_file_in_dir(tmp, func, data);
+               }
+               free(tmp);
+               if (ret < 0)
+                       goto out;
+       }
+       ret = 1;
+out:
+       closedir(dir);
+       return ret;
+}
+
 static int com_add(struct command_context *cc, struct lls_parse_result *lpr)
 {
        int i, ret;