stream cipher: Allow in-place encryption.

[paraslash.git] / ggo.c

diff --git a/ggo.c b/ggo.c
index 55f1043082e5c511231616ad6bc5bd6a43e1f6af..a9bc4c367c9af091939af1ed4e02072b71268c2a 100644 (file)
--- a/ggo.c
+++ b/ggo.c
@@ -1,5 +1,5 @@
 /*
 /*

- * Copyright (C) 2008 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2008-2011 Andre Noll <maan@systemlinux.org>

  *
  * Licensed under the GPL v2. For licencing details see COPYING.
  */
  *
  * Licensed under the GPL v2. For licencing details see COPYING.
  */


@@ -10,6 +10,11 @@
 #include "para.h"
 #include "ggo.h"
 
 #include "para.h"
 #include "ggo.h"
 

+/**
+ * Wrapper for printf() that exits on errors.
+ *
+ * \param fmt Usual format string.
+ */

 __printf_1_2 void printf_or_die(const char *fmt, ...)
 {
        va_list argp;
 __printf_1_2 void printf_or_die(const char *fmt, ...)
 {
        va_list argp;


@@ -20,9 +25,15 @@ __printf_1_2 void printf_or_die(const char *fmt, ...)
        va_end(argp);
        if (ret >= 0)
                return;
        va_end(argp);
        if (ret >= 0)
                return;

-       fprintf(stderr, "%s: %s\n", __FUNCTION__, strerror(errno));
+       exit(EXIT_FAILURE);

 }
 
 }
 

+/**
+ * Print one of the two given help texts.
+ *
+ * \param help contains the help texts.
+ * \param detailed_help Whether to print the detailed help text.
+ */

 void ggo_print_help(struct ggo_help *help, int detailed_help)
 {
        const char **p;
 void ggo_print_help(struct ggo_help *help, int detailed_help)
 {
        const char **p;