auto import from //depot/cupcake/@135843

1 files changed, 0 insertions, 214 deletions

diff --git a/mtdutils/mounts.c b/mtdutils/mounts.c
deleted file mode 100644
index 2ab3ff6..0000000
--- a/mtdutils/mounts.c
+++ /dev/null
@@ -1,214 +0,0 @@
-/*
- * Copyright (C) 2007 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <fcntl.h>
-#include <errno.h>
-#include <sys/mount.h>
-
-#include "mounts.h"
-
-struct MountedVolume {
-    const char *device;
-    const char *mount_point;
-    const char *filesystem;
-    const char *flags;
-};
-
-typedef struct {
-    MountedVolume *volumes;
-    int volumes_allocd;
-    int volume_count;
-} MountsState;
-
-static MountsState g_mounts_state = {
-    NULL,   // volumes
-    0,      // volumes_allocd
-    0       // volume_count
-};
-
-static inline void
-free_volume_internals(const MountedVolume *volume, int zero)
-{
-    free((char *)volume->device);
-    free((char *)volume->mount_point);
-    free((char *)volume->filesystem);
-    free((char *)volume->flags);
-    if (zero) {
-        memset((void *)volume, 0, sizeof(*volume));
-    }
-}
-
-#define PROC_MOUNTS_FILENAME   "/proc/mounts"
-
-int
-scan_mounted_volumes()
-{
-    char buf[2048];
-    const char *bufp;
-    int fd;
-    ssize_t nbytes;
-
-    if (g_mounts_state.volumes == NULL) {
-        const int numv = 32;
-        MountedVolume *volumes = malloc(numv * sizeof(*volumes));
-        if (volumes == NULL) {
-            errno = ENOMEM;
-            return -1;
-        }
-        g_mounts_state.volumes = volumes;
-        g_mounts_state.volumes_allocd = numv;
-        memset(volumes, 0, numv * sizeof(*volumes));
-    } else {
-        /* Free the old volume strings.
-         */
-        int i;
-        for (i = 0; i < g_mounts_state.volume_count; i++) {
-            free_volume_internals(&g_mounts_state.volumes[i], 1);
-        }
-    }
-    g_mounts_state.volume_count = 0;
-
-    /* Open and read the file contents.
-     */
-    fd = open(PROC_MOUNTS_FILENAME, O_RDONLY);
-    if (fd < 0) {
-        goto bail;
-    }
-    nbytes = read(fd, buf, sizeof(buf) - 1);
-    close(fd);
-    if (nbytes < 0) {
-        goto bail;
-    }
-    buf[nbytes] = '\0';
-
-    /* Parse the contents of the file, which looks like:
-     *
-     *     # cat /proc/mounts
-     *     rootfs / rootfs rw 0 0
-     *     /dev/pts /dev/pts devpts rw 0 0
-     *     /proc /proc proc rw 0 0
-     *     /sys /sys sysfs rw 0 0
-     *     /dev/block/mtdblock4 /system yaffs2 rw,nodev,noatime,nodiratime 0 0
-     *     /dev/block/mtdblock5 /data yaffs2 rw,nodev,noatime,nodiratime 0 0
-     *     /dev/block/mmcblk0p1 /sdcard vfat rw,sync,dirsync,fmask=0000,dmask=0000,codepage=cp437,iocharset=iso8859-1,utf8 0 0
-     *
-     * The zeroes at the end are dummy placeholder fields to make the
-     * output match Linux's /etc/mtab, but don't represent anything here.
-     */
-    bufp = buf;
-    while (nbytes > 0) {
-        char device[64];
-        char mount_point[64];
-        char filesystem[64];
-        char flags[128];
-        int matches;
-
-        /* %as is a gnu extension that malloc()s a string for each field.
-         */
-        matches = sscanf(bufp, "%63s %63s %63s %127s",
-                device, mount_point, filesystem, flags);
-
-        if (matches == 4) {
-            device[sizeof(device)-1] = '\0';
-            mount_point[sizeof(mount_point)-1] = '\0';
-            filesystem[sizeof(filesystem)-1] = '\0';
-            flags[sizeof(flags)-1] = '\0';
-
-            MountedVolume *v =
-                    &g_mounts_state.volumes[g_mounts_state.volume_count++];
-            v->device = strdup(device);
-            v->mount_point = strdup(mount_point);
-            v->filesystem = strdup(filesystem);
-            v->flags = strdup(flags);
-        } else {
-printf("matches was %d on <<%.40s>>\n", matches, bufp);
-        }
-
-        /* Eat the line.
-         */
-        while (nbytes > 0 && *bufp != '\n') {
-            bufp++;
-            nbytes--;
-        }
-        if (nbytes > 0) {
-            bufp++;
-            nbytes--;
-        }
-    }
-
-    return 0;
-
-bail:
-//TODO: free the strings we've allocated.
-    g_mounts_state.volume_count = 0;
-    return -1;
-}
-
-const MountedVolume *
-find_mounted_volume_by_device(const char *device)
-{
-    if (g_mounts_state.volumes != NULL) {
-        int i;
-        for (i = 0; i < g_mounts_state.volume_count; i++) {
-            MountedVolume *v = &g_mounts_state.volumes[i];
-            /* May be null if it was unmounted and we haven't rescanned.
-             */
-            if (v->device != NULL) {
-                if (strcmp(v->device, device) == 0) {
-                    return v;
-                }
-            }
-        }
-    }
-    return NULL;
-}
-
-const MountedVolume *
-find_mounted_volume_by_mount_point(const char *mount_point)
-{
-    if (g_mounts_state.volumes != NULL) {
-        int i;
-        for (i = 0; i < g_mounts_state.volume_count; i++) {
-            MountedVolume *v = &g_mounts_state.volumes[i];
-            /* May be null if it was unmounted and we haven't rescanned.
-             */
-            if (v->mount_point != NULL) {
-                if (strcmp(v->mount_point, mount_point) == 0) {
-                    return v;
-                }
-            }
-        }
-    }
-    return NULL;
-}
-
-int
-unmount_mounted_volume(const MountedVolume *volume)
-{
-    /* Intentionally pass NULL to umount if the caller tries
-     * to unmount a volume they already unmounted using this
-     * function.
-     */
-    int ret = umount(volume->mount_point);
-    if (ret == 0) {
-        free_volume_internals(volume, 1);
-        return 0;
-    }
-    return ret;
-}