auto import from //depot/cupcake/@135843

1 files changed, 0 insertions, 626 deletions

diff --git a/libs/host/CopyFile.c b/libs/host/CopyFile.c
deleted file mode 100644
index a822b41..0000000
--- a/libs/host/CopyFile.c
+++ /dev/null
@@ -1,626 +0,0 @@
-/*
- * Copyright 2005 The Android Open Source Project
- *
- * Android "cp" replacement.
- *
- * The GNU/Linux "cp" uses O_LARGEFILE in its open() calls, utimes() instead
- * of utime(), and getxattr()/setxattr() instead of chmod().  These are
- * probably "better", but are non-portable, and not necessary for our
- * purposes.
- */
-#include <host/CopyFile.h>
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <unistd.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <getopt.h>
-#include <dirent.h>
-#include <fcntl.h>
-#include <utime.h>
-#include <limits.h>
-#include <errno.h>
-#include <assert.h>
-
-#ifdef HAVE_MS_C_RUNTIME
-#  define  mkdir(path,mode)   _mkdir(path)
-#endif
-
-#ifndef HAVE_SYMLINKS
-#  define  lstat              stat
-#  ifndef EACCESS   /* seems to be missing from the Mingw headers */
-#    define  EACCESS            13
-#  endif
-#endif
-
-#ifndef O_BINARY
-#  define  O_BINARY  0
-#endif
-
-/*#define DEBUG_MSGS*/
-#ifdef DEBUG_MSGS
-# define DBUG(x) printf x
-#else
-# define DBUG(x) ((void)0)
-#endif
-
-#define FSSEP '/'       /* filename separator char */
-
-static int copyFileRecursive(const char* src, const char* dst, bool isCmdLine, unsigned int options);
-
-/*
- * Returns true if the source file is newer than the destination file.
- *
- * The check is based on the modification date, whole seconds only.  This
- * also returns true if the file sizes don't match.
- */
-static bool isSourceNewer(const struct stat* pSrcStat, const struct stat* pDstStat)
-{
-    return (pSrcStat->st_mtime > pDstStat->st_mtime) ||
-           (pSrcStat->st_size != pDstStat->st_size);
-}
-
-/*
- * Returns true if the source and destination files are actually the
- * same thing.  We detect this by checking the inode numbers, which seems
- * to work on Cygwin.
- */
-static bool isSameFile(const struct stat* pSrcStat, const struct stat* pDstStat)
-{
-#ifndef HAVE_VALID_STAT_ST_INO
-    /* with MSVCRT.DLL, stat always sets st_ino to 0, and there is no simple way to */
-	/* get the equivalent information with Win32 (Cygwin does some weird stuff in   */
-	/* its winsup/cygwin/fhandler_disk_file.cc to emulate this, too complex for us) */
-	return 0;
-#else
-    return (pSrcStat->st_ino == pDstStat->st_ino);
-#endif
-}
-
-static void printCopyMsg(const char* src, const char* dst, unsigned int options)
-{
-    if ((options & COPY_VERBOSE_MASK) > 0)
-        printf("    '%s' --> '%s'\n", src, dst);
-}
-
-static void printNotNewerMsg(const char* src, const char* dst, unsigned int options)
-{
-    if ((options & COPY_VERBOSE_MASK) > 1)
-        printf("    '%s' is up-to-date\n", dst);
-}
-
-/*
- * Copy the contents of one file to another.
- *
- * The files are assumed to be seeked to the start.
- */
-static int copyFileContents(const char* dst, int dstFd, const char* src, int srcFd)
-{
-    unsigned char buf[8192];
-    ssize_t readCount, writeCount;
-
-    /*
-     * Read a chunk, write it, and repeat.
-     */
-    while (1) {
-        readCount = read(srcFd, buf, sizeof(buf));
-        if (readCount < 0) {
-            fprintf(stderr,
-                "acp: failed reading '%s': %s\n", src, strerror(errno));
-            return -1;
-        }
-
-        if (readCount > 0) {
-            writeCount = write(dstFd, buf, readCount);
-            if (writeCount < 0) {
-                fprintf(stderr,
-                    "acp: failed writing '%s': %s\n", dst, strerror(errno));
-                return -1;
-            }
-            if (writeCount != readCount) {
-                fprintf(stderr, "acp: partial write to '%s' (%d of %d)\n",
-                    dst, writeCount, readCount);
-                return -1;
-            }
-        }
-
-        if (readCount < (ssize_t) sizeof(buf))
-            break;
-    }
-
-    return 0;
-}
-
-/*
- * Set the permissions, owner, and timestamps on the destination file
- * equal to those of the source file.
- *
- * Failures here are "soft"; they don't produce warning messages and don't
- * cause the cp command to report a failure.
- */
-static int setPermissions(const char* dst, const struct stat* pSrcStat, unsigned int options)
-{
-    struct utimbuf ut;
-
-    if (options & COPY_TIMESTAMPS) {
-        /*
-         * Start with timestamps.  The access and mod dates are not affected
-         * by the next operations.
-         */
-        ut.actime = pSrcStat->st_atime;
-        ut.modtime = pSrcStat->st_mtime;
-        if (utime(dst, &ut) != 0) {
-            DBUG(("---   unable to set timestamps on '%s': %s\n",
-                dst, strerror(errno)));
-        }
-    }
-
-    if (options & COPY_PERMISSIONS) {
-        /*
-         * Set the permissions.
-         */
-        if (chmod(dst, pSrcStat->st_mode & ~(S_IFMT)) != 0) {
-            DBUG(("---   unable to set perms on '%s' to 0%o: %s\n",
-                dst, pSrcStat->st_mode & ~(S_IFMT), strerror(errno)));
-        }
-#ifndef HAVE_MS_C_RUNTIME
-        /*
-         * Set the owner.
-         */
-        if (chown(dst, pSrcStat->st_uid, pSrcStat->st_gid) != 0) {
-            DBUG(("---   unable to set owner of '%s' to %d/%d: %s\n",
-                dst, pSrcStat->st_uid, pSrcStat->st_gid, strerror(errno)));
-        }
-#endif
-    }
-
-    return 0;
-}
-
-/*
- * Copy a regular file.  If the destination file exists and is not a
- * regular file, we fail.  However, we use stat() rather than lstat(),
- * because it's okay to write through a symlink (the noDereference stuff
- * only applies to the source file).
- *
- * If the file doesn't exist, create it.  If it does exist, truncate it.
- */
-static int copyRegular(const char* src, const char* dst, const struct stat* pSrcStat, unsigned int options)
-{
-    struct stat dstStat;
-    int srcFd, dstFd, statResult, copyResult;
-
-    DBUG(("--- copying regular '%s' to '%s'\n", src, dst));
-
-    statResult = stat(dst, &dstStat);
-    if (statResult == 0 && !S_ISREG(dstStat.st_mode)) {
-        fprintf(stderr,
-            "acp: destination '%s' exists and is not regular file\n",
-            dst);
-        return -1;
-    } else if (statResult != 0 && errno != ENOENT) {
-        fprintf(stderr, "acp: unable to stat destination '%s'\n", dst);
-        return -1;
-    }
-
-    if (statResult == 0) {
-        if (isSameFile(pSrcStat, &dstStat)) {
-            fprintf(stderr, "acp: '%s' and '%s' are the same file\n",
-                src, dst);
-            return -1;
-        }
-        if (options & COPY_UPDATE_ONLY) {
-            if (!isSourceNewer(pSrcStat, &dstStat)) {
-                DBUG(("---  source is not newer: '%s'\n", src));
-                printNotNewerMsg(src, dst, options);
-                return 0;
-            }
-        }
-    }
-
-    /* open src */
-    srcFd = open(src, O_RDONLY | O_BINARY, 0);
-    if (srcFd < 0) {
-        fprintf(stderr, "acp: unable to open '%s': %s\n", src, strerror(errno));
-        return -1;
-    }
-
-    /* open dest with O_CREAT | O_TRUNC */
-    DBUG(("---  opening '%s'\n", dst));
-    dstFd = open(dst, O_CREAT | O_TRUNC | O_WRONLY | O_BINARY, 0644);
-
-    if (dstFd < 0) {
-        if (errno == ENOENT) {
-            /* this happens if the target directory doesn't exist */
-            fprintf(stderr,
-                "acp: cannot create '%s': %s\n", dst, strerror(errno));
-            (void) close(srcFd);
-            return -1;
-        }
-
-        /* if "force" is set, try removing the destination file and retry */
-        if (options & COPY_FORCE) {
-            if (unlink(dst) != 0) {
-#ifdef HAVE_MS_C_RUNTIME
-				/* MSVCRT.DLL unlink will fail with EACCESS if the file is set read-only */
-				/* so try to change its mode, and unlink again                           */
-				if (errno == EACCESS) {
-					if (chmod(dst, S_IWRITE|S_IREAD) == 0 && unlink(dst) == 0)
-						goto Open_File;
-				}
-#endif		
-                fprintf(stderr, "acp: unable to remove '%s': %s\n",
-                    dst, strerror(errno));
-                (void) close(srcFd);
-                return -1;
-            }
-#ifdef HAVE_MS_C_RUNTIME
-        Open_File:
-#endif			
-            dstFd = open(dst, O_CREAT | O_TRUNC | O_WRONLY | O_BINARY, 0644);
-        }
-    }
-    if (dstFd < 0) {
-        fprintf(stderr, "acp: unable to open '%s': %s\n",
-            dst, strerror(errno));
-        (void) close(srcFd);
-        return -1;
-    }
-
-    copyResult = copyFileContents(dst, dstFd, src, srcFd);
-
-    (void) close(srcFd);
-    (void) close(dstFd);
-    if (copyResult != 0)
-        return -1;
-
-#ifdef MACOSX_RSRC
-    {
-        char* srcRsrcName = NULL;
-        char* dstRsrcName = NULL;
-        struct stat rsrcStat;
-
-        srcRsrcName = malloc(strlen(src) + 5 + 1);
-        strcpy(srcRsrcName, src);
-        strcat(srcRsrcName, "/rsrc");
-
-        dstRsrcName = malloc(strlen(dst) + 5 + 1);
-        strcpy(dstRsrcName, dst);
-        strcat(dstRsrcName, "/rsrc");
-
-        if (stat(srcRsrcName, &rsrcStat) == 0 && rsrcStat.st_size > 0) {
-            DBUG(("---  RSRC: %s --> %s\n", srcRsrcName, dstRsrcName));
-
-            srcFd = open(srcRsrcName, O_RDONLY);
-            dstFd = open(dstRsrcName, O_TRUNC | O_WRONLY, 0);
-            copyResult = -1;
-            if (srcFd >= 0 && dstFd >= 0) {
-                copyResult = copyFileContents(dstRsrcName, dstFd,
-                    srcRsrcName, srcFd);
-                (void) close(srcFd);
-                (void) close(dstFd);
-            }
-
-            if (copyResult != 0)
-                return -1;
-        }
-
-        free(srcRsrcName);
-        free(dstRsrcName);
-    }
-#endif
-
-    setPermissions(dst, pSrcStat, options);
-
-    printCopyMsg(src, dst, options);
-
-    return 0;
-}
-
-
-#ifdef HAVE_SYMLINKS
-/*
- * Copy a symlink.  This only happens if we're in "no derefence" mode,
- * in which we copy the links rather than the files that are pointed at.
- *
- * We always discard the destination file.  If it's a symlink already,
- * we want to throw it out and replace it.  If it's not a symlink, we
- * need to trash it so we can create one.
- */
-static int copySymlink(const char* src, const char* dst, const struct stat* pSrcStat, unsigned int options)
-{
-    struct stat dstStat;
-    char linkBuf[PATH_MAX+1];
-    int statResult, nameLen;
-
-    assert(options & COPY_NO_DEREFERENCE);
-    DBUG(("--- copying symlink '%s' to '%s'\n", src, dst));
-
-    /* NOTE: we use lstat() here */
-    statResult = lstat(dst, &dstStat);
-    if (statResult == 0 && !S_ISREG(dstStat.st_mode)
-                         && !S_ISLNK(dstStat.st_mode)
-						 )
-    {
-        fprintf(stderr,
-            "acp: destination '%s' exists and is not regular or symlink\n",
-            dst);
-        return -1;
-    }
-
-    if (statResult == 0) {
-        if (isSameFile(pSrcStat, &dstStat)) {
-            fprintf(stderr, "acp: '%s' and '%s' are the same file\n",
-                src, dst);
-            return -1;
-        }
-        if (options & COPY_UPDATE_ONLY) {
-            if (!isSourceNewer(pSrcStat, &dstStat)) {
-                DBUG(("---  source is not newer: '%s'\n", src));
-                printNotNewerMsg(src, dst, options);
-                return 0;
-            }
-        }
-    }
-
-    /* extract the symlink contents */
-    nameLen = readlink(src, linkBuf, sizeof(linkBuf)-1);
-    if (nameLen <= 0) {
-        fprintf(stderr, "acp: unable to read symlink '%s': %s\n",
-            src, strerror(errno));
-        return -1;
-    }
-    linkBuf[nameLen] = '\0';
-    DBUG(("--- creating symlink file '%s' (--> %s)\n", dst, linkBuf));
-
-    if (statResult == 0) {
-        DBUG(("---  removing '%s'\n", dst));
-        if (unlink(dst) != 0) {
-            fprintf(stderr, "acp: unable to remove '%s': %s\n",
-                dst, strerror(errno));
-            return -1;
-        }
-    }
-
-    if (symlink(linkBuf, dst) != 0) {
-        fprintf(stderr, "acp: unable to create symlink '%s' [%s]: %s\n",
-            dst, linkBuf, strerror(errno));
-        return -1;
-    }
-
-    /*
-     * There's no way to set the file date or access permissions, but
-     * it is possible to set the owner.
-     */
-    if (options & COPY_PERMISSIONS) {
-        if (lchown(dst, pSrcStat->st_uid, pSrcStat->st_gid) != 0)
-            DBUG(("---  lchown failed: %s\n", strerror(errno)));
-    }
-
-    printCopyMsg(src, dst, options);
-
-    return 0;
-}
-#endif /* HAVE_SYMLINKS */
-
-/*
- * Copy the contents of one directory to another.  Both "src" and "dst"
- * must be directories.  We will create "dst" if it does not exist.
- */
-int copyDirectory(const char* src, const char* dst, const struct stat* pSrcStat, unsigned int options)
-{
-    int retVal = 0;
-    struct stat dstStat;
-    DIR* dir;
-    int cc, statResult;
-
-    DBUG(("--- copy dir '%s' to '%s'\n", src, dst));
-
-    statResult = stat(dst, &dstStat);
-    if (statResult == 0 && !S_ISDIR(dstStat.st_mode)) {
-        fprintf(stderr,
-            "acp: destination '%s' exists and is not a directory\n", dst);
-        return -1;
-    } else if (statResult != 0 && errno != ENOENT) {
-        fprintf(stderr, "acp: unable to stat destination '%s'\n", dst);
-        return -1;
-    }
-
-    if (statResult == 0) {
-        if (isSameFile(pSrcStat, &dstStat)) {
-            fprintf(stderr,
-                "acp: cannot copy directory into itself ('%s' and '%s')\n",
-                src, dst);
-            return -1;
-        }
-    } else {
-        DBUG(("---  creating dir '%s'\n", dst));
-        cc = mkdir(dst, 0755);
-        if (cc != 0) {
-            fprintf(stderr, "acp: unable to create directory '%s': %s\n",
-                dst, strerror(errno));
-            return -1;
-        }
-
-        /* only print on mkdir */
-        printCopyMsg(src, dst, options);
-    }
-
-    /*
-     * Open the directory, and plow through its contents.
-     */
-    dir = opendir(src);
-    if (dir == NULL) {
-        fprintf(stderr, "acp: unable to open directory '%s': %s\n",
-            src, strerror(errno));
-        return -1;
-    }
-
-    while (1) {
-        struct dirent* ent;
-        char* srcFile;
-        char* dstFile;
-        int srcLen, dstLen, nameLen;
-
-        ent = readdir(dir);
-        if (ent == NULL)
-            break;
-
-        if (strcmp(ent->d_name, ".") == 0 ||
-            strcmp(ent->d_name, "..") == 0)
-        {
-            continue;
-        }
-
-        nameLen = strlen(ent->d_name);
-        srcLen = strlen(src);
-        dstLen = strlen(dst);
-
-        srcFile = malloc(srcLen +1 + nameLen +1);
-        memcpy(srcFile, src, srcLen);
-        srcFile[srcLen] = FSSEP;
-        memcpy(srcFile + srcLen+1, ent->d_name, nameLen +1);
-
-        dstFile = malloc(dstLen +1 + nameLen +1);
-        memcpy(dstFile, dst, dstLen);
-        dstFile[dstLen] = FSSEP;
-        memcpy(dstFile + dstLen+1, ent->d_name, nameLen +1);
-
-        if (copyFileRecursive(srcFile, dstFile, false, options) != 0)
-            retVal = -1;        /* note failure and keep going */
-
-        free(srcFile);
-        free(dstFile);
-    }
-    closedir(dir);
-
-    setPermissions(dst, pSrcStat, options);
-
-    return retVal;
-}
-
-/*
- * Do the actual copy.  This is called recursively from copyDirectory().
- *
- * "dst" should only be a directory if "src" is also a directory.
- *
- * Returns 0 on success.
- */
-static int copyFileRecursive(const char* src, const char* dst, bool isCmdLine, unsigned int options)
-{
-    char* srcExe = NULL;
-    char* dstExe = NULL;
-    char* dstDir = NULL;
-    struct stat srcStat;
-    int retVal = 0;
-    int statResult, statErrno;
-
-    /*
-     * Stat the source file.  If it doesn't exist, fail.
-     */
-    if (options & COPY_NO_DEREFERENCE)
-        statResult = lstat(src, &srcStat);
-    else
-        statResult = stat(src, &srcStat);
-    statErrno = errno;        /* preserve across .exe attempt */
-
-#ifdef WIN32_EXE
-    /*
-     * Here's the interesting part.  Under Cygwin, if you have a file
-     * called "foo.exe", stat("foo", ...) will succeed, but open("foo", ...)
-     * will fail.  We need to figure out what its name is supposed to be
-     * so we can create the correct destination file.
-     *
-     * If we don't have the "-e" flag set, we want "acp foo bar" to fail,
-     * not automatically find "foo.exe".  That way, if we really were
-     * trying to copy "foo", it doesn't grab something we don't want.
-     */
-    if (isCmdLine && statResult == 0) {
-        int tmpFd;
-        tmpFd = open(src, O_RDONLY | O_BINARY, 0);
-        if (tmpFd < 0) {
-            statResult = -1;
-            statErrno = ENOENT;
-        } else {
-            (void) close(tmpFd);
-        }
-    }
-
-    /*
-     * If we didn't find the file, try it again with ".exe".
-     */
-    if (isCmdLine && statResult < 0 && statErrno == ENOENT && (options & COPY_TRY_EXE)) {
-        srcExe = malloc(strlen(src) + 4 +1);
-        strcpy(srcExe, src);
-        strcat(srcExe, ".exe");
-
-        if (options & COPY_NO_DEREFERENCE)
-            statResult = lstat(srcExe, &srcStat);
-        else
-            statResult = stat(srcExe, &srcStat);
-
-        if (statResult == 0 && !S_ISREG(srcStat.st_mode))
-            statResult = -1;        /* fail, use original statErrno below */
-
-        if (statResult == 0) {
-            /* found a .exe, copy that instead */
-            dstExe = malloc(strlen(dst) + 4 +1);
-            strcpy(dstExe, dst);
-            strcat(dstExe, ".exe");
-
-            src = srcExe;
-            dst = dstExe;
-        } else {
-            DBUG(("---  couldn't find '%s' either\n", srcExe));
-        }
-    }
-#endif
-    if (statResult < 0) {
-        if (statErrno == ENOENT)
-            fprintf(stderr, "acp: file '%s' does not exist\n", src);
-        else
-            fprintf(stderr, "acp: unable to stat '%s': %s\n",
-                src, strerror(statErrno));
-        retVal = -1;
-        goto bail;
-    }
-
-    /*
-     * If "src" is a directory, ignore it if "recursive" isn't set.
-     *
-     * We want to create "dst" as a directory (or verify that it already
-     * exists as a directory), and then copy its contents.
-     */
-    if (S_ISDIR(srcStat.st_mode)) {
-        if (!(options & COPY_RECURSIVE)) {
-            fprintf(stderr, "acp: omitting directory '%s'\n", src);
-        } else {
-            retVal = copyDirectory(src, dst, &srcStat, options);
-        }
-#ifdef HAVE_SYMLINKS
-    } else if (S_ISLNK(srcStat.st_mode)) {
-        retVal = copySymlink(src, dst, &srcStat, options);
-#endif		
-    } else if (S_ISREG(srcStat.st_mode)) {
-        retVal = copyRegular(src, dst, &srcStat, options);
-    } else {
-        fprintf(stderr, "acp: skipping unusual file '%s' (mode=0%o)\n",
-            src, srcStat.st_mode);
-        retVal = -1;
-    }
-
-bail:
-    free(srcExe);
-    free(dstExe);
-    free(dstDir);
-    return retVal;
-}
-
-int copyFile(const char* src, const char* dst, unsigned int options)
-{
-    return copyFileRecursive(src, dst, true, options);
-}
-
-