More stuff

1 files changed, 111 insertions, 230 deletions

diff --git a/utility.c b/utility.c
index 277e27c..21d69b6 100644
--- a/utility.c
+++ b/utility.c
@@ -33,102 +33,9 @@
 #include <sys/stat.h>
 #include <unistd.h>
 
-#if 0
-
-extern char *join_paths(char *buffer, const char *a, const char *b)
-{
-    int length = 0;
-
-    if (a && *a) {
-	length = strlen(a);
-	memcpy(buffer, a, length);
-    }
-    if (b && *b) {
-	if (length > 0 && buffer[length - 1] != '/')
-	    buffer[length++] = '/';
-	if (*b == '/')
-	    b++;
-	strcpy(&buffer[length], b);
-    }
-    return buffer;
-}
-
-#endif
-
-
-
-
-
-
-static CHUNK *chunkList;
-
-
-/*
- * Return the standard ls-like mode string from a file mode.
- * This is static and so is overwritten on each call.
- */
-const char *modeString(int mode)
-{
-    static char buf[12];
-
-    strcpy(buf, "----------");
-
-    /*
-     * Fill in the file type.
-     */
-    if (S_ISDIR(mode))
-	buf[0] = 'd';
-    if (S_ISCHR(mode))
-	buf[0] = 'c';
-    if (S_ISBLK(mode))
-	buf[0] = 'b';
-    if (S_ISFIFO(mode))
-	buf[0] = 'p';
-#ifdef	S_ISLNK
-    if (S_ISLNK(mode))
-	buf[0] = 'l';
-#endif
-#ifdef	S_ISSOCK
-    if (S_ISSOCK(mode))
-	buf[0] = 's';
-#endif
-
-    /*
-     * Now fill in the normal file permissions.
-     */
-    if (mode & S_IRUSR)
-	buf[1] = 'r';
-    if (mode & S_IWUSR)
-	buf[2] = 'w';
-    if (mode & S_IXUSR)
-	buf[3] = 'x';
-    if (mode & S_IRGRP)
-	buf[4] = 'r';
-    if (mode & S_IWGRP)
-	buf[5] = 'w';
-    if (mode & S_IXGRP)
-	buf[6] = 'x';
-    if (mode & S_IROTH)
-	buf[7] = 'r';
-    if (mode & S_IWOTH)
-	buf[8] = 'w';
-    if (mode & S_IXOTH)
-	buf[9] = 'x';
-
-    /*
-     * Finally fill in magic stuff like suid and sticky text.
-     */
-    if (mode & S_ISUID)
-	buf[3] = ((mode & S_IXUSR) ? 's' : 'S');
-    if (mode & S_ISGID)
-	buf[6] = ((mode & S_IXGRP) ? 's' : 'S');
-    if (mode & S_ISVTX)
-	buf[9] = ((mode & S_IXOTH) ? 't' : 'T');
-
-    return buf;
-}
 
 
+#if defined (BB_CP) || defined (BB_MV)
 /*
  * Return TRUE if a fileName is a directory.
  * Nonexistant files return FALSE.
@@ -145,21 +52,6 @@ int isDirectory(const char *name)
 
 
 /*
- * Return TRUE if a filename is a block or character device.
- * Nonexistant files return FALSE.
- */
-int isDevice(const char *name)
-{
-    struct stat statBuf;
-
-    if (stat(name, &statBuf) < 0)
-	return FALSE;
-
-    return S_ISBLK(statBuf.st_mode) || S_ISCHR(statBuf.st_mode);
-}
-
-
-/*
  * Copy one file to another, while possibly preserving its modes, times,
  * and modes.  Returns TRUE if successful, or FALSE on a failure with an
  * error message output.  (Failure is not indicted if the attributes cannot
@@ -173,47 +65,49 @@ copyFile(
     int rfd;
     int wfd;
     int rcc;
+    int result;
     char buf[BUF_SIZE];
-    struct stat statBuf1;
-    struct stat statBuf2;
+    struct stat srcStatBuf;
+    struct stat dstStatBuf;
     struct utimbuf times;
 
-    if (stat(srcName, &statBuf1) < 0) {
+    if (followLinks == FALSE)
+	result = stat(srcName, &srcStatBuf);
+    else 
+	result = lstat(srcName, &srcStatBuf);
+
+    if (result < 0) {
 	perror(srcName);
 	return FALSE;
     }
 
-    if (stat(destName, &statBuf2) < 0) {
-	statBuf2.st_ino = -1;
-	statBuf2.st_dev = -1;
+    if (followLinks == FALSE)
+	result = stat(destName, &dstStatBuf);
+    else 
+	result = lstat(destName, &dstStatBuf);
+    if (result < 0) {
+	dstStatBuf.st_ino = -1;
+	dstStatBuf.st_dev = -1;
     }
 
-    if ((statBuf1.st_dev == statBuf2.st_dev) &&
-	(statBuf1.st_ino == statBuf2.st_ino)) {
+    if ((srcStatBuf.st_dev == dstStatBuf.st_dev) &&
+	(srcStatBuf.st_ino == dstStatBuf.st_ino)) {
 	fprintf(stderr, "Copying file \"%s\" to itself\n", srcName);
 	return FALSE;
     }
 
-    if (S_ISDIR(statBuf1.st_mode)) {
+    if (S_ISDIR(srcStatBuf.st_mode)) {
+	//fprintf(stderr, "copying directory %s to %s\n", srcName, destName);
 	/* Make sure the directory is writable */
 	if (mkdir(destName, 0777777 ^ umask(0))) {
 	    perror(destName);
 	    return (FALSE);
 	}
-    } else if (S_ISFIFO(statBuf1.st_mode)) {
-	if (mkfifo(destName, 644)) {
-	    perror(destName);
-	    return (FALSE);
-	}
-    } else if (S_ISBLK(statBuf1.st_mode) || S_ISCHR(statBuf1.st_mode)) {
-	if (mknod(destName, 644, statBuf1.st_rdev)) {
-	    perror(destName);
-	    return (FALSE);
-	}
-    } else if (S_ISLNK(statBuf1.st_mode)) {
+    } else if (S_ISLNK(srcStatBuf.st_mode)) {
 	char *link_val;
 	int link_size;
 
+	//fprintf(stderr, "copying link %s to %s\n", srcName, destName);
 	link_val = (char *) alloca(PATH_MAX + 2);
 	link_size = readlink(srcName, link_val, PATH_MAX + 1);
 	if (link_size < 0) {
@@ -222,17 +116,31 @@ copyFile(
 	}
 	link_val[link_size] = '\0';
 	if (symlink(link_val, destName)) {
-	    perror(srcName);
+	    perror(destName);
 	    return (FALSE);
 	}
-    } else {
+    } else if (S_ISFIFO(srcStatBuf.st_mode)) {
+	//fprintf(stderr, "copying fifo %s to %s\n", srcName, destName);
+	if (mkfifo(destName, 644)) {
+	    perror(destName);
+	    return (FALSE);
+	}
+    } else if (S_ISBLK(srcStatBuf.st_mode) || S_ISCHR(srcStatBuf.st_mode) 
+	    || S_ISSOCK (srcStatBuf.st_mode)) {
+	//fprintf(stderr, "copying soc, blk, or chr %s to %s\n", srcName, destName);
+	if (mknod(destName, srcStatBuf.st_mode, srcStatBuf.st_rdev)) {
+	    perror(destName);
+	    return (FALSE);
+	}
+    } else if (S_ISREG(srcStatBuf.st_mode)) {
+	//fprintf(stderr, "copying regular file %s to %s\n", srcName, destName);
 	rfd = open(srcName, O_RDONLY);
 	if (rfd < 0) {
 	    perror(srcName);
 	    return FALSE;
 	}
 
-	wfd = creat(destName, statBuf1.st_mode);
+	wfd = creat(destName, srcStatBuf.st_mode);
 	if (wfd < 0) {
 	    perror(destName);
 	    close(rfd);
@@ -244,27 +152,25 @@ copyFile(
 		goto error_exit;
 	}
 	if (rcc < 0) {
-	    perror(srcName);
 	    goto error_exit;
 	}
 
 	close(rfd);
-
 	if (close(wfd) < 0) {
-	    perror(destName);
 	    return FALSE;
 	}
     }
 
     if (setModes == TRUE) {
-	chmod(destName, statBuf1.st_mode);
+	//fprintf(stderr, "Setting permissions for %s\n", destName);
+	chmod(destName, srcStatBuf.st_mode);
 	if (followLinks == TRUE)
-	    chown(destName, statBuf1.st_uid, statBuf1.st_gid);
+	    chown(destName, srcStatBuf.st_uid, srcStatBuf.st_gid);
 	else
-	    lchown(destName, statBuf1.st_uid, statBuf1.st_gid);
+	    lchown(destName, srcStatBuf.st_uid, srcStatBuf.st_gid);
 
-	times.actime = statBuf1.st_atime;
-	times.modtime = statBuf1.st_mtime;
+	times.actime = srcStatBuf.st_atime;
+	times.modtime = srcStatBuf.st_mtime;
 
 	utime(destName, &times);
     }
@@ -273,13 +179,17 @@ copyFile(
 
 
   error_exit:
+    //fprintf(stderr, "choking on %s\n", destName);
+    perror(destName);
     close(rfd);
     close(wfd);
 
     return FALSE;
 }
+#endif
 
 
+#ifdef BB_MV
 /*
  * Build a path name from the specified directory name and file name.
  * If the directory name is NULL, then the original fileName is returned.
@@ -305,106 +215,77 @@ char *buildName(const char *dirName, const char *fileName)
 
     return buf;
 }
+#endif
 
 
 
 /*
- * Make a NULL-terminated string out of an argc, argv pair.
- * Returns TRUE if successful, or FALSE if the string is too long,
- * with an error message given.  This does not handle spaces within
- * arguments correctly.
- */
-int makeString( int argc, const char **argv, char *buf, int bufLen)
-{
-    int len;
-
-    while (argc-- > 0) {
-	len = strlen(*argv);
-
-	if (len >= bufLen) {
-	    fprintf(stderr, "Argument string too long\n");
-
-	    return FALSE;
-	}
-
-	strcpy(buf, *argv++);
-
-	buf += len;
-	bufLen -= len;
-
-	if (argc)
-	    *buf++ = ' ';
-
-	bufLen--;
-    }
-
-    *buf = '\0';
-
-    return TRUE;
-}
-
-
-/*
- * Allocate a chunk of memory (like malloc).
- * The difference, though, is that the memory allocated is put on a
- * list of chunks which can be freed all at one time.  You CAN NOT free
- * an individual chunk.
- */
-char *getChunk(int size)
-{
-    CHUNK *chunk;
-
-    if (size < CHUNK_INIT_SIZE)
-	size = CHUNK_INIT_SIZE;
-
-    chunk = (CHUNK *) malloc(size + sizeof(CHUNK) - CHUNK_INIT_SIZE);
-
-    if (chunk == NULL)
-	return NULL;
-
-    chunk->next = chunkList;
-    chunkList = chunk;
-
-    return chunk->data;
-}
-
-
-/*
- * Duplicate a string value using the chunk allocator.
- * The returned string cannot be individually freed, but can only be freed
- * with other strings when freeChunks is called.  Returns NULL on failure.
+ * Return the standard ls-like mode string from a file mode.
+ * This is static and so is overwritten on each call.
  */
-char *chunkstrdup(const char *str)
+const char *modeString(int mode)
 {
-    int len;
-    char *newStr;
-
-    len = strlen(str) + 1;
-    newStr = getChunk(len);
+    static char buf[12];
 
-    if (newStr)
-	memcpy(newStr, str, len);
+    strcpy(buf, "----------");
 
-    return newStr;
-}
+    /*
+     * Fill in the file type.
+     */
+    if (S_ISDIR(mode))
+	buf[0] = 'd';
+    if (S_ISCHR(mode))
+	buf[0] = 'c';
+    if (S_ISBLK(mode))
+	buf[0] = 'b';
+    if (S_ISFIFO(mode))
+	buf[0] = 'p';
+#ifdef	S_ISLNK
+    if (S_ISLNK(mode))
+	buf[0] = 'l';
+#endif
+#ifdef	S_ISSOCK
+    if (S_ISSOCK(mode))
+	buf[0] = 's';
+#endif
 
+    /*
+     * Now fill in the normal file permissions.
+     */
+    if (mode & S_IRUSR)
+	buf[1] = 'r';
+    if (mode & S_IWUSR)
+	buf[2] = 'w';
+    if (mode & S_IXUSR)
+	buf[3] = 'x';
+    if (mode & S_IRGRP)
+	buf[4] = 'r';
+    if (mode & S_IWGRP)
+	buf[5] = 'w';
+    if (mode & S_IXGRP)
+	buf[6] = 'x';
+    if (mode & S_IROTH)
+	buf[7] = 'r';
+    if (mode & S_IWOTH)
+	buf[8] = 'w';
+    if (mode & S_IXOTH)
+	buf[9] = 'x';
 
-/*
- * Free all chunks of memory that had been allocated since the last
- * call to this routine.
- */
-void freeChunks(void)
-{
-    CHUNK *chunk;
+    /*
+     * Finally fill in magic stuff like suid and sticky text.
+     */
+    if (mode & S_ISUID)
+	buf[3] = ((mode & S_IXUSR) ? 's' : 'S');
+    if (mode & S_ISGID)
+	buf[6] = ((mode & S_IXGRP) ? 's' : 'S');
+    if (mode & S_ISVTX)
+	buf[9] = ((mode & S_IXOTH) ? 't' : 'T');
 
-    while (chunkList) {
-	chunk = chunkList;
-	chunkList = chunk->next;
-	free((char *) chunk);
-    }
+    return buf;
 }
 
 
+#ifdef BB_TAR
 /*
  * Get the time string to be used for a file.
  * This is down to the minute for new files, but only the date for old files.
@@ -577,8 +458,10 @@ int fullRead(int fd, char *buf, int len)
 
     return total;
 }
+#endif
 
 
+#if defined (BB_CHOWN) || defined (BB_CP) || defined (BB_FIND) || defined (BB_LS)
 /*
  * Walk down all the directories under the specified 
  * location, and do something (something specified
@@ -618,7 +501,6 @@ recursiveAction(const char *fileName, int recurse, int followLinks,
 
     if (S_ISDIR(statbuf.st_mode)) {
 	DIR *dir;
-	fprintf(stderr, "Dir: %s\n", fileName);
 	dir = opendir(fileName);
 	if (!dir) {
 	    perror(fileName);
@@ -627,7 +509,7 @@ recursiveAction(const char *fileName, int recurse, int followLinks,
 	if (dirAction != NULL) {
 	    status = dirAction(fileName);
 	    if (status == FALSE) {
-		perror("cp");
+		perror(fileName);
 		return (FALSE);
 	    }
 	}
@@ -652,7 +534,6 @@ recursiveAction(const char *fileName, int recurse, int followLinks,
 	    return (FALSE);
 	}
     } else {
-	fprintf(stderr, "File: %s\n", fileName);
 	if (fileAction == NULL)
 	    return (TRUE);
 	else
@@ -661,6 +542,6 @@ recursiveAction(const char *fileName, int recurse, int followLinks,
     return (TRUE);
 }
 
-
+#endif
 
 /* END CODE */