Varie correzioni, completata revisione capitolo sull'I/O su file

[gapil.git] / sources / getcap.c

diff --git a/sources/getcap.c b/sources/getcap.c
index 19974eebdb559e73c6b6385e0935bdb9ed1f644f..ad2e354e15281d415a7145b30baa648ac2c34c0d 100644 (file)
--- a/sources/getcap.c
+++ b/sources/getcap.c
@@ -1,6 +1,6 @@
 /* getcap.c
  * 
- * Copyright (C) 2006 Simone Piccardi
+ * Copyright (C) 2006-2012 Simone Piccardi
  * 
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -26,7 +26,6 @@
  *
  * Usage: getcap -h give all info's
  *
- *
  ****************************************************************/
 /* 
  * Include needed headers
@@ -36,9 +35,9 @@
 #include <stdlib.h>      /* C standard library */
 #include <unistd.h>      /* unix standard library */
 #include <stdio.h>      /* standard I/O library */
-#include <string.h>      /* string functions */
-#include <sys/types.h>
-#include <sys/capability.h>
+#include <string.h>      /* C strings library */
+#include <sys/types.h>   /* primitive system data types */
+#include <sys/capability.h> /* need package libcap-dev */
 
 /* Help printing routine */
 void usage(void);
@@ -50,7 +49,7 @@ int main(int argc, char *argv[])
  */
     int i;
     pid_t pid = 0;
-    cap_t capab = NULL;
+    cap_t capab;
     char *string;
     int res;
 
@@ -98,9 +97,8 @@ int main(int argc, char *argv[])
            return 1;
        }
     } else {
-       capab = cap_init();
-       res = capgetp(pid, capab);
-       if (res) {
+       capab = cap_get_pid(pid);
+       if (capab == NULL) {
            perror("cannot get process capabilities");
            return 1;
        }