Implement use of PID file

Signed-off-by: Mattias Andrée <maandree@kth.se>

1 files changed, 13 insertions, 10 deletions

diff --git a/src/util.h b/src/util.h
index 4f9cbde..c44164b 100644
--- a/src/util.h
+++ b/src/util.h
@@ -15,8 +15,7 @@
  * You should have received a copy of the GNU General Public License
  * along with this library.  If not, see <http://www.gnu.org/licenses/>.
  */
-#include <stdlib.h>
-#include <string.h>
+#include <stddef.h>
 
 
 
@@ -28,12 +27,16 @@
  * @return       The duplicate of the memory segment,
  *               `NULL` on error
  */
-static inline void* memdup(const void* src, size_t n)
-{
-  void* dest = malloc(n);
-  if (dest == NULL)
-    return NULL;
-  memcpy(dest, src, n);
-  return dest;
-}
+void* memdup(const void* src, size_t n);
+
+
+/**
+ * Read an entire file
+ * 
+ * @param   fd  The file descriptor
+ * @param   n   Output for the size of the file
+ * @return      The read content, plus a NUL byte at
+ *              the end (not counted in `*n`)
+ */
+void* nread(int fd, size_t* n);