Add some more souce code documentation.

[adu.git] / adu.c

diff --git a/adu.c b/adu.c
index dda9fd24ccd33fa1875d0a8f2e8a33d02ba2d723..cd77fd9f9f4741b7c9f805072737bc4216f1f36e 100644 (file)
--- a/adu.c
+++ b/adu.c
@@ -18,6 +18,12 @@
 #include "error.h"
 
 DEFINE_ERRLIST;
+
+/**
+ * The error code of the last osl library function.
+ *
+ * \sa osl().
+ */
 int osl_errno;
 
 /** In case a signal is received, its number is stored here. */
@@ -120,7 +126,7 @@ static void close_dir_table(void)
        dir_table = NULL;
 }
 
-void close_all_tables(void)
+static void close_all_tables(void)
 {
        close_dir_table();
        close_user_tables();
@@ -131,6 +137,12 @@ static void signal_handler(int s)
        signum = s;
 }
 
+/**
+ * Check whether to terminate adu.
+ *
+ * Check whether a signal was caught that should terminate the
+ * adu process. If yes, close all osl tables and exit gracefully.
+ */
 void check_signals(void)
 {
        if (likely(!signum))
@@ -151,6 +163,13 @@ static int init_signals(void)
        return 1;
 }
 
+/**
+ * Open the directory table.
+ *
+ * \param create If non-zero, create the table first.
+ *
+ * \return Standard.
+ */
 int open_dir_table(int create)
 {
 
@@ -221,6 +240,17 @@ static int print_complete_help_and_die(void)
        exit(EXIT_FAILURE);
 }
 
+/**
+ * The main function of adu.
+ *
+ * \param argc Usual argument count.
+ * \param argv Usual argument vector.
+ *
+ * Check command line options, init the signal handlers and
+ * call the main function of the selected mode.
+ *
+ * \return \p EXIT_SUCCESS on success, \p EXIT_FAILURE otherwise.
+ */
 int main(int argc, char **argv)
 {
        int ret;