Get rid of E_SIGNAL_PIPE.

[paraslash.git] / aft.c

diff --git a/aft.c b/aft.c
index 431bedb63c1c1bb58a632aa055eeaf8a98198ce7..5112affacdcd29ebcaf51b82eb9d6980035d5f88 100644 (file)
--- a/aft.c
+++ b/aft.c
@@ -298,12 +298,19 @@ bad_path:
        return -E_BAD_PATH;
 }
 
+/** The on-disk layout of a afhi struct. */
 enum afhi_offsets {
+       /** Where the number of seconds is stored. */
        AFHI_SECONDS_TOTAL_OFFSET = 0,
+       /** Position of the bitrate. */
        AFHI_BITRATE_OFFSET = 4,
+       /** Position of the frequency. */
        AFHI_FREQUENCY_OFFSET = 8,
+       /** Number of channels is stored here. */
        AFHI_CHANNELS_OFFSET = 12,
+       /** The tag info position. */
        AFHI_INFO_STRING_OFFSET = 13,
+       /** Minimal on-disk size of a valid afhi struct. */
        MIN_AFHI_SIZE = 14
 };
 
@@ -670,6 +677,7 @@ static int get_local_time(uint64_t *seconds, char *buf, size_t size,
        return 1;
 }
 
+/** Compute the number of (decimal) digits of a number. */
 #define GET_NUM_DIGITS(x, num) { \
        typeof((x)) _tmp = PARA_ABS(x); \
        *num = 1; \
@@ -1363,13 +1371,17 @@ afhi <=> force or no HS
 
 */
 
-
-#define ADD_FLAG_LAZY 1
-#define ADD_FLAG_FORCE 2
-#define ADD_FLAG_VERBOSE 4
-#define ADD_FLAG_ALL 8
-
-/* TODO: change log messages so that they get written to the result buffer */
+/** Flags passed to the add command. */
+enum com_add_flags {
+       /** Skip paths that exist already. */
+       ADD_FLAG_LAZY = 1,
+       /** Force adding. */
+       ADD_FLAG_FORCE = 2,
+       /** Print what is being done. */
+       ADD_FLAG_VERBOSE = 4,
+       /** Try to add files with unknown suffixes. */
+       ADD_FLAG_ALL = 8,
+};
 
 static int com_add_callback(const struct osl_object *query,
                struct osl_object *result)
@@ -1683,8 +1695,15 @@ int com_add(int fd, int argc, char * const * const argv)
 
 }
 
+/**
+ * Flags used by the touch command.
+ *
+ * \sa com_touch().
+ */
 enum touch_flags {
+       /** Whether the \p FNM_PATHNAME flag should be passed to fnmatch(). */
        TOUCH_FLAG_FNM_PATHNAME = 1,
+       /** Activates verbose mode. */
        TOUCH_FLAG_VERBOSE = 2
 };
 
@@ -1947,12 +1966,23 @@ int com_afs_rm(int fd, int argc,  char * const * const argv)
        return ret;
 }
 
+/**
+ * Flags used by the cpsi command.
+ *
+ * \sa com_cpsi().
+ */
 enum cpsi_flags {
+       /** Whether the lyrics id should be copied. */
        CPSI_FLAG_COPY_LYRICS_ID = 1,
+       /** Whether the image id should be copied. */
        CPSI_FLAG_COPY_IMAGE_ID = 2,
+       /** Whether the lastplayed time should be copied. */
        CPSI_FLAG_COPY_LASTPLAYED = 4,
+       /** Whether the numplayed count should be copied. */
        CPSI_FLAG_COPY_NUMPLAYED = 8,
+       /** Whether the attributes should be copied. */
        CPSI_FLAG_COPY_ATTRIBUTES = 16,
+       /** Activates verbose mode. */
        CPSI_FLAG_VERBOSE = 32,
 };
 
@@ -2123,6 +2153,16 @@ static int check_audio_file(struct osl_row *row, void *data)
        return 1;
 }
 
+/**
+ * Check the audio file table for inconsistencies.
+ *
+ * \param query Unused.
+ * \param result Contains message string upon return.
+ *
+ * This function always succeeds.
+ *
+ * \sa com_check().
+ */
 int aft_check_callback(__a_unused const struct osl_object *query, struct osl_object *result)
 {
        struct para_buffer pb = {.buf = NULL};
@@ -2135,8 +2175,6 @@ int aft_check_callback(__a_unused const struct osl_object *query, struct osl_obj
 
 }
 
-
-
 /**
  * Close the audio file table.
  *
@@ -2175,5 +2213,7 @@ int aft_init(struct table_info *ti, const char *db)
        }
        PARA_INFO_LOG("failed to open audio file table\n");
        audio_file_table = NULL;
-       return ret == -E_NOENT? 1 : ret;
+       if (ret >= 0 || is_errno(-ret, ENOENT))
+               return 1;
+       return ret;
 }