summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorDenys Vlasenko <vda.linux@googlemail.com>2009-12-16 01:06:56 (GMT)
committer Denys Vlasenko <vda.linux@googlemail.com>2009-12-16 01:06:56 (GMT)
commitcc428147c17a57d62d89b998debc1f4bd094ad56 (patch)
tree5a30d6c78c84ab27c2400197ebbb1d140b85494f
parentb7a0e13d1ca0d613477f6e95221f47797ed1c0f9 (diff)
downloadbusybox-cc428147c17a57d62d89b998debc1f4bd094ad56.tar.gz
busybox-cc428147c17a57d62d89b998debc1f4bd094ad56.tar.bz2
mount: dont include NFS headers if not needed; drop support for Linux <2.2.0
function old new delta nfs_err_stat - 18 +18 nfs_err_errnum - 18 +18 nfs_strerror 56 50 -6 nfsmount 3567 3541 -26 nfs_errtbl 80 - -80 ------------------------------------------------------------------------------ (add/remove: 2/1 grow/shrink: 0/2 up/down: 36/-112) Total: -76 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
-rw-r--r--util-linux/mount.c67
1 files changed, 36 insertions, 31 deletions
diff --git a/util-linux/mount.c b/util-linux/mount.c
index 9d87f76..52ced7a 100644
--- a/util-linux/mount.c
+++ b/util-linux/mount.c
@@ -66,9 +66,16 @@
#include <sys/utsname.h>
#undef TRUE
#undef FALSE
-#include <rpc/rpc.h>
-#include <rpc/pmap_prot.h>
-#include <rpc/pmap_clnt.h>
+#if ENABLE_FEATURE_MOUNT_NFS
+/* This is just a warning of a common mistake. Possibly this should be a
+ * uclibc faq entry rather than in busybox... */
+# if defined(__UCLIBC__) && ! defined(__UCLIBC_HAS_RPC__)
+# error "You need to build uClibc with UCLIBC_HAS_RPC for NFS support"
+# endif
+# include <rpc/rpc.h>
+# include <rpc/pmap_prot.h>
+# include <rpc/pmap_clnt.h>
+#endif
#if defined(__dietlibc__)
@@ -544,12 +551,6 @@ static int mount_it_now(struct mntent *mp, long vfsflags, char *filteropts)
* plus NFSv3 stuff.
*/
-/* This is just a warning of a common mistake. Possibly this should be a
- * uclibc faq entry rather than in busybox... */
-#if defined(__UCLIBC__) && ! defined(__UCLIBC_HAS_RPC__)
-#error "You need to build uClibc with UCLIBC_HAS_RPC for NFS support."
-#endif
-
#define MOUNTPORT 635
#define MNTPATHLEN 1024
#define MNTNAMLEN 255
@@ -740,28 +741,27 @@ enum {
* "after #include <errno.h> the symbol errno is reserved for any use,
* it cannot even be used as a struct tag or field name".
*/
-
#ifndef EDQUOT
-#define EDQUOT ENOSPC
+# define EDQUOT ENOSPC
#endif
-
/* Convert each NFSERR_BLAH into EBLAH */
-static const struct {
- short stat;
- short errnum;
-} nfs_errtbl[] = {
- {0,0}, {1,EPERM}, {2,ENOENT}, {5,EIO}, {6,ENXIO}, {13,EACCES}, {17,EEXIST},
- {19,ENODEV}, {20,ENOTDIR}, {21,EISDIR}, {22,EINVAL}, {27,EFBIG},
- {28,ENOSPC}, {30,EROFS}, {63,ENAMETOOLONG}, {66,ENOTEMPTY}, {69,EDQUOT},
- {70,ESTALE}, {71,EREMOTE}, {-1,EIO}
+static const uint8_t nfs_err_stat[] = {
+ 1, 2, 5, 6, 13, 17,
+ 19, 20, 21, 22, 27, 28,
+ 30, 63, 66, 69, 70, 71
+};
+static const uint8_t nfs_err_errnum[] = {
+ EPERM , ENOENT , EIO , ENXIO , EACCES, EEXIST,
+ ENODEV, ENOTDIR , EISDIR , EINVAL, EFBIG , ENOSPC,
+ EROFS , ENAMETOOLONG, ENOTEMPTY, EDQUOT, ESTALE, EREMOTE
};
static char *nfs_strerror(int status)
{
int i;
- for (i = 0; nfs_errtbl[i].stat != -1; i++) {
- if (nfs_errtbl[i].stat == status)
- return strerror(nfs_errtbl[i].errnum);
+ for (i = 0; i < ARRAY_SIZE(nfs_err_stat); i++) {
+ if (nfs_err_stat[i] == status)
+ return strerror(nfs_err_errnum[i]);
}
return xasprintf("unknown nfs status return value: %d", status);
}
@@ -797,8 +797,12 @@ static bool_t xdr_dirpath(XDR *xdrs, dirpath *objp)
static bool_t xdr_fhandle3(XDR *xdrs, fhandle3 *objp)
{
- if (!xdr_bytes(xdrs, (char **)&objp->fhandle3_val, (unsigned int *) &objp->fhandle3_len, FHSIZE3))
+ if (!xdr_bytes(xdrs, (char **)&objp->fhandle3_val,
+ (unsigned int *) &objp->fhandle3_len,
+ FHSIZE3)
+ ) {
return FALSE;
+ }
return TRUE;
}
@@ -806,9 +810,14 @@ static bool_t xdr_mountres3_ok(XDR *xdrs, mountres3_ok *objp)
{
if (!xdr_fhandle3(xdrs, &objp->fhandle))
return FALSE;
- if (!xdr_array(xdrs, &(objp->auth_flavours.auth_flavours_val), &(objp->auth_flavours.auth_flavours_len), ~0,
- sizeof(int), (xdrproc_t) xdr_int))
+ if (!xdr_array(xdrs, &(objp->auth_flavours.auth_flavours_val),
+ &(objp->auth_flavours.auth_flavours_len),
+ ~0,
+ sizeof(int),
+ (xdrproc_t) xdr_int)
+ ) {
return FALSE;
+ }
return TRUE;
}
@@ -859,11 +868,7 @@ find_kernel_nfs_mount_version(void)
kernel_version = get_linux_version_code();
if (kernel_version) {
- if (kernel_version < KERNEL_VERSION(2,1,32))
- nfs_mount_version = 1;
- else if (kernel_version < KERNEL_VERSION(2,2,18) ||
- (kernel_version >= KERNEL_VERSION(2,3,0) &&
- kernel_version < KERNEL_VERSION(2,3,99)))
+ if (kernel_version < KERNEL_VERSION(2,2,18))
nfs_mount_version = 3;
/* else v4 since 2.3.99pre4 */
}