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| author | Thomas Doerfler <Thomas.Doerfler@embedded-brains.de> | 2009-05-05 12:57:16 +0000 |
|---|---|---|
| committer | Thomas Doerfler <Thomas.Doerfler@embedded-brains.de> | 2009-05-05 12:57:16 +0000 |
| commit | d0c3b38bedafb489350a0fd30769fc630ebc6d0b (patch) | |
| tree | f7b384472fadd26658dae3f2355a63413ad4d1eb /cpukit/libblock/src/ramdisk.c | |
| parent | Documentation (diff) | |
| download | rtems-d0c3b38bedafb489350a0fd30769fc630ebc6d0b.tar.bz2 | |
Documentation. Changed integer types to match block device types.
Added const qualifier whenever possible. Added
rtems_fsmount_create_mount_point() prototype.
Diffstat (limited to 'cpukit/libblock/src/ramdisk.c')
| -rw-r--r-- | cpukit/libblock/src/ramdisk.c | 34 |
1 files changed, 19 insertions, 15 deletions
diff --git a/cpukit/libblock/src/ramdisk.c b/cpukit/libblock/src/ramdisk.c index 05a896016b..0b18ad34f8 100644 --- a/cpukit/libblock/src/ramdisk.c +++ b/cpukit/libblock/src/ramdisk.c @@ -1,5 +1,10 @@ -/* ramdisk.c -- RAM disk block device implementation +/** + * @file * + * RAM disk block device. + */ + +/* * Copyright (C) 2001 OKTET Ltd., St.-Petersburg, Russia * Author: Victor V. Vengerov <vvv@oktet.ru> * @@ -18,9 +23,9 @@ #include <string.h> #include <inttypes.h> -#include "rtems/blkdev.h" -#include "rtems/diskdevs.h" -#include "rtems/ramdisk.h" +#include <rtems/blkdev.h> +#include <rtems/diskdevs.h> +#include <rtems/ramdisk.h> /** * Control tracing. It can be compiled out of the code for small @@ -30,23 +35,22 @@ #define RTEMS_RAMDISK_TRACE 0 #endif -#define RAMDISK_DEVICE_BASE_NAME "/dev/ramdisk" +#define RAMDISK_DEVICE_BASE_NAME "/dev/rd" /* Internal RAM disk descriptor */ struct ramdisk { - int block_size; /* RAM disk block size */ - int block_num; /* Number of blocks on this RAM disk */ - void *area; /* RAM disk memory area */ - bool initialized;/* RAM disk is initialized */ - bool malloced; /* != 0, if memory allocated by malloc for this - RAM disk */ + uint32_t block_size; /* RAM disk block size */ + rtems_blkdev_bnum block_num; /* Number of blocks on this RAM disk */ + void *area; /* RAM disk memory area */ + bool initialized; /* RAM disk is initialized */ + bool malloced; /* != 0, if memory allocated by malloc for this RAM disk */ #if RTEMS_RAMDISK_TRACE - int info_level; /* Trace level */ + int info_level; /* Trace level */ #endif }; static struct ramdisk *ramdisk; -static uint32_t nramdisks; +static uint32_t nramdisks; #if RTEMS_RAMDISK_TRACE /** @@ -242,8 +246,8 @@ ramdisk_initialize( for (i = 0; i < rtems_ramdisk_configuration_size; i++, c++, r++) { dev_t dev = rtems_filesystem_make_dev_t(major, i); - char name[sizeof(RAMDISK_DEVICE_BASE_NAME "0123456789")]; - snprintf(name, sizeof(name), RAMDISK_DEVICE_BASE_NAME "%" PRIu32, i); + char name [] = RAMDISK_DEVICE_BASE_NAME "a"; + name [sizeof(RAMDISK_DEVICE_BASE_NAME)] += i; r->block_size = c->block_size; r->block_num = c->block_num; if (c->location == NULL) |