Add FIO_Write() in file_io.h

include/file_io.h

@@ -53,6 +53,10 @@ int FIO_Close(int fd);
     FIO_Read()
 ------------------------------------------------------------------------------*/
 size_t FIO_Read(int fd, void * buffer, size_t count);
+/*------------------------------------------------------------------------------
+    FIO_Write()
+------------------------------------------------------------------------------*/
+size_t FIO_Write(int fd, const void * buffer, size_t count);
 /*------------------------------------------------------------------------------
     FIO_GetSize()
 ------------------------------------------------------------------------------*/

src/file_io.c

@@ -43,7 +43,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include <fcntl.h>     // open()
 #include <sys/stat.h>  // fstat()
 #include <sys/types.h> // mode_t, off_t
-#include <unistd.h>    // close(), lseek()
+#include <unistd.h>    // close(), read(), lseek()
 // Internal
 #include "log.h"
 /*==============================================================================
@@ -110,6 +110,21 @@ size_t FIO_Read(int fd, void * buffer, size_t count)
     }
     return (size_t)bytes_read;
 }
+/*------------------------------------------------------------------------------
+    FIO_Write()
+------------------------------------------------------------------------------*/
+size_t FIO_Write(int fd, const void * buffer, size_t count)
+{
+    assert(buffer != NULL);
+
+    ssize_t bytes_written = write(fd, buffer, count);
+    if(bytes_written != -1) {
+    } else {
+        Log_Fatal(&s_logger, "write(%d) failed! %s", fd, strerror(errno));
+        exit(-1);
+    }
+    return (size_t)bytes_written;
+}
 /*------------------------------------------------------------------------------
     FIO_GetSize()
 ------------------------------------------------------------------------------*/