More stuff works.

 -Erik

1 files changed, 48 insertions, 696 deletions

diff --git a/utility.c b/utility.c
index 6825971..a516355 100644
--- a/utility.c
+++ b/utility.c
@@ -22,7 +22,16 @@
  *
  */
 
-#include "utility.h"
+#include "internal.h"
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <fcntl.h>
+//#include <sys/types.h>
+//#include <sys/stat.h>
+#include <dirent.h>
+#include <time.h>
+#include <utime.h>
 
 #if 0
 
@@ -54,13 +63,6 @@ join_paths(char * buffer, const char * a, const char * b)
 
 static	CHUNK *	chunkList;
 
-extern void
-name_and_error(const char * name)
-{
-	fprintf(stderr, "%s: %s\n", name, strerror(errno));
-}
-
-
 
 /*
  * Return the standard ls-like mode string from a file mode.
@@ -130,36 +132,6 @@ modeString(int mode)
 
 
 /*
- * 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.
- * The string is returned from a static buffer, and so is overwritten for
- * each call.
- */
-const char *
-timeString(time_t timeVal)
-{
-	time_t		now;
-	char *		str;
-	static	char	buf[26];
-
-	time(&now);
-
-	str = ctime(&timeVal);
-
-	strcpy(buf, &str[4]);
-	buf[12] = '\0';
-
-	if ((timeVal > now) || (timeVal < now - 365*24*60*60L))
-	{
-		strcpy(&buf[7], &str[20]);
-		buf[11] = '\0';
-	}
-
-	return buf;
-}
-
-
-/*
  * Return TRUE if a fileName is a directory.
  * Nonexistant files return FALSE.
  */
@@ -325,624 +297,6 @@ buildName(const char * dirName, const char * fileName)
 
 
 /*
- * Expand the wildcards in a fileName wildcard pattern, if any.
- * Returns an argument list with matching fileNames in sorted order.
- * The expanded names are stored in memory chunks which can later all
- * be freed at once.  The returned list is only valid until the next
- * call or until the next command.  Returns zero if the name is not a
- * wildcard, or returns the count of matched files if the name is a
- * wildcard and there was at least one match, or returns -1 if either
- * no fileNames matched or there was an allocation error.
- */
-int
-expandWildCards(const char * fileNamePattern, const char *** retFileTable)
-{
-	const char *	last;
-	const char *	cp1;
-	const char *	cp2;
-	const char *	cp3;
-	char *		str;
-	DIR *		dirp;
-	struct dirent *	dp;
-	int		dirLen;
-	int		newFileTableSize;
-	char **		newFileTable;
-	char		dirName[PATH_LEN];
-
-	static int	fileCount;
-	static int	fileTableSize;
-	static char **	fileTable;
-
-	/*
-	 * Clear the return values until we know their final values.
-	 */
-	fileCount = 0;
-	*retFileTable = NULL;
-
-	/*
-	 * Scan the file name pattern for any wildcard characters.
-	 */
-	cp1 = strchr(fileNamePattern, '*');
-	cp2 = strchr(fileNamePattern, '?');
-	cp3 = strchr(fileNamePattern, '[');
-
-	/*
-	 * If there are no wildcard characters then return zero to
-	 * indicate that there was actually no wildcard pattern.
-	 */
-	if ((cp1 == NULL) && (cp2 == NULL) && (cp3 == NULL))
-		return 0;
-
-	/*
-	 * There are wildcards in the specified filename.
-	 * Get the last component of the file name.
-	 */
-	last = strrchr(fileNamePattern, '/');
-
-	if (last)
-		last++;
-	else
-		last = fileNamePattern;
-
-	/*
-	 * If any wildcards were found before the last filename component
-	 * then return an error.
-	 */
-	if ((cp1 && (cp1 < last)) || (cp2 && (cp2 < last)) ||
-		(cp3 && (cp3 < last)))
-	{
-		fprintf(stderr,
-		"Wildcards only implemented for last file name component\n");
-
-		return -1;
-	}
-
-	/*
-	 * Assume at first that we are scanning the current directory.
-	 */
-	dirName[0] = '.';
-	dirName[1] = '\0';
-
-	/*
-	 * If there was a directory given as part of the file name then
-	 * copy it and null terminate it.
-	 */
-	if (last != fileNamePattern)
-	{
-		memcpy(dirName, fileNamePattern, last - fileNamePattern);
-		dirName[last - fileNamePattern - 1] = '\0';
-
-		if (dirName[0] == '\0')
-		{
-			dirName[0] = '/';
-			dirName[1] = '\0';
-		}
-	}
-
-	/*
-	 * Open the directory containing the files to be checked.
-	 */
-	dirp = opendir(dirName);
-
-	if (dirp == NULL)
-	{
-		perror(dirName);
-
-		return -1;
-	}
-
-	/*
-	 * Prepare the directory name for use in making full path names.
-	 */
-	dirLen = strlen(dirName);
-
-	if (last == fileNamePattern)
-	{
-		dirLen = 0;
-		dirName[0] = '\0';
-	}
-	else if (dirName[dirLen - 1] != '/')
-	{
-		dirName[dirLen++] = '/';
-		dirName[dirLen] = '\0';
-	}
-
-	/*
-	 * Find all of the files in the directory and check them against
-	 * the wildcard pattern.
-	 */
-	while ((dp = readdir(dirp)) != NULL)
-	{
-		/*
-		 * Skip the current and parent directories.
-		 */
-		if ((strcmp(dp->d_name, ".") == 0) ||
-			(strcmp(dp->d_name, "..") == 0))
-		{
-			continue;
-		}
-
-		/*
-		 * If the file name doesn't match the pattern then skip it.
-		 */
-		if (!match(dp->d_name, last))
-			continue;
-
-		/*
-		 * This file name is selected.
-		 * See if we need to reallocate the file name table.
-		 */
-		if (fileCount >= fileTableSize)
-		{
-			/*
-			 * Increment the file table size and reallocate it.
-			 */
-			newFileTableSize = fileTableSize + EXPAND_ALLOC;
-
-			newFileTable = (char **) realloc((char *) fileTable,
-				(newFileTableSize * sizeof(char *)));
-
-			if (newFileTable == NULL)
-			{
-				fprintf(stderr, "Cannot allocate file list\n");
-				closedir(dirp);
-
-				return -1;
-			}
-
-			fileTable = newFileTable;
-			fileTableSize = newFileTableSize;
-		}
-
-		/*
-		 * Allocate space for storing the file name in a chunk.
-		 */
-		str = getChunk(dirLen + strlen(dp->d_name) + 1);
-
-		if (str == NULL)
-		{
-			fprintf(stderr, "No memory for file name\n");
-			closedir(dirp);
-
-			return -1;
-		}
-
-		/*
-		 * Save the file name in the chunk.
-		 */
-		if (dirLen)
-			memcpy(str, dirName, dirLen);
-
-		strcpy(str + dirLen, dp->d_name);
-
-		/*
-		 * Save the allocated file name into the file table.
-		 */
-		fileTable[fileCount++] = str;
-	}
-
-	/*
-	 * Close the directory and check for any matches.
-	 */
-	closedir(dirp);
-
-	if (fileCount == 0)
-	{
-		fprintf(stderr, "No matches\n");
-
-		return -1;
-	}
-
-	/*
-	 * Sort the list of file names.
-	 */
-	qsort((void *) fileTable, fileCount, sizeof(char *), nameSort);
-
-	/*
-	 * Return the file list and count.
-	 */
-	*retFileTable = (const char **) fileTable;
-
-	return fileCount;
-}
-
-
-/*
- * Sort routine for list of fileNames.
- */
-int
-nameSort(const void * p1, const void * p2)
-{
-	const char **	s1;
-	const char **	s2;
-
-	s1 = (const char **) p1;
-	s2 = (const char **) p2;
-
-	return strcmp(*s1, *s2);
-}
-
-
-
-/*
- * Routine to see if a text string is matched by a wildcard pattern.
- * Returns TRUE if the text is matched, or FALSE if it is not matched
- * or if the pattern is invalid.
- *  *		matches zero or more characters
- *  ?		matches a single character
- *  [abc]	matches 'a', 'b' or 'c'
- *  \c		quotes character c
- *  Adapted from code written by Ingo Wilken.
- */
-BOOL
-match(const char * text, const char * pattern)
-{
-	const char *	retryPat;
-	const char *	retryText;
-	int		ch;
-	BOOL		found;
-
-	retryPat = NULL;
-	retryText = NULL;
-
-	while (*text || *pattern)
-	{
-		ch = *pattern++;
-
-		switch (ch)
-		{
-			case '*':  
-				retryPat = pattern;
-				retryText = text;
-				break;
-
-			case '[':  
-				found = FALSE;
-
-				while ((ch = *pattern++) != ']')
-				{
-					if (ch == '\\')
-						ch = *pattern++;
-
-					if (ch == '\0')
-						return FALSE;
-
-					if (*text == ch)
-						found = TRUE;
-				}
-
-				if (!found)
-				{
-					pattern = retryPat;
-					text = ++retryText;
-				}
-
-				/* fall into next case */
-
-			case '?':  
-				if (*text++ == '\0')
-					return FALSE;
-
-				break;
-
-			case '\\':  
-				ch = *pattern++;
-
-				if (ch == '\0')
-					return FALSE;
-
-				/* fall into next case */
-
-			default:        
-				if (*text == ch)
-				{
-					if (*text)
-						text++;
-					break;
-				}
-
-				if (*text)
-				{
-					pattern = retryPat;
-					text = ++retryText;
-					break;
-				}
-
-				return FALSE;
-		}
-
-		if (pattern == NULL)
-			return FALSE;
-	}
-
-	return TRUE;
-}
-
-
-/*
- * Take a command string and break it up into an argc, argv list while
- * handling quoting and wildcards.  The returned argument list and
- * strings are in static memory, and so are overwritten on each call.
- * The argument list is ended with a NULL pointer for convenience.
- * Returns TRUE if successful, or FALSE on an error with a message
- * already output.
- */
-BOOL
-makeArgs(const char * cmd, int * retArgc, const char *** retArgv)
-{
-	const char *		argument;
-	char *			cp;
-	char *			cpOut;
-	char *			newStrings;
-	const char **		fileTable;
-	const char **		newArgTable;
-	int			newArgTableSize;
-	int			fileCount;
-	int			len;
-	int			ch;
-	int			quote;
-	BOOL			quotedWildCards;
-	BOOL			unquotedWildCards;
-
-	static int		stringsLength;
-	static char *		strings;
-	static int		argCount;
-	static int		argTableSize;
-	static const char **	argTable;
-
-	/*
-	 * Clear the returned values until we know them.
-	 */
-	argCount = 0;
-	*retArgc = 0;
-	*retArgv = NULL;
-
-	/*
-	 * Copy the command string into a buffer that we can modify,
-	 * reallocating it if necessary.
-	 */
-	len = strlen(cmd) + 1;
-
-	if (len > stringsLength)
-	{
-		newStrings = realloc(strings, len);
-
-		if (newStrings == NULL)
-		{
-			fprintf(stderr, "Cannot allocate string\n");
-
-			return FALSE;
-		}
-
-		strings = newStrings;
-		stringsLength = len;
-	}
-
-	memcpy(strings, cmd, len);
-	cp = strings;
-
-	/*
-	 * Keep parsing the command string as long as there are any
-	 * arguments left.
-	 */
-	while (*cp)
-	{
-		/*
-		 * Save the beginning of this argument.
-		 */
-		argument = cp;
-		cpOut = cp;
-
-		/*
-		 * Reset quoting and wildcarding for this argument.
-		 */
-		quote = '\0';
-		quotedWildCards = FALSE;
-		unquotedWildCards = FALSE;
-
-		/*
-		 * Loop over the string collecting the next argument while
-		 * looking for quoted strings or quoted characters, and
-		 * remembering whether there are any wildcard characters
-		 * in the argument.
-		 */
-		while (*cp)
-		{
-			ch = *cp++;
-
-			/*
-			 * If we are not in a quote and we see a blank then
-			 * this argument is done.
-			 */
-			if (isBlank(ch) && (quote == '\0'))
-				break;
-
-			/*
-			 * If we see a backslash then accept the next
-			 * character no matter what it is.
-			 */
-			if (ch == '\\')
-			{
-				ch = *cp++;
-
-				/*
-				 * Make sure there is a next character.
-				 */
-				if (ch == '\0')
-				{
-					fprintf(stderr,
-						"Bad quoted character\n");
-
-					return FALSE;
-				}
-
-				/*
-				 * Remember whether the quoted character
-				 * is a wildcard.
-				 */
-				if (isWildCard(ch))
-					quotedWildCards = TRUE;
-
-				*cpOut++ = ch;
-
-				continue;
-			}
-
-			/*
-			 * If we see one of the wildcard characters then
-			 * remember whether it was seen inside or outside
-			 * of quotes.
-			 */
-			if (isWildCard(ch))
-			{
-				if (quote)
-					quotedWildCards = TRUE;
-				else
-					unquotedWildCards = TRUE;
-			}
-
-			/*
-			 * If we were in a quote and we saw the same quote
-			 * character again then the quote is done.
-			 */
-			if (ch == quote)
-			{
-				quote = '\0';
-
-				continue;
-			}
-
-			/*
-			 * If we weren't in a quote and we see either type
-			 * of quote character, then remember that we are
-			 * now inside of a quote.
-			 */
-			if ((quote == '\0') && ((ch == '\'') || (ch == '"')))
-			{
-				quote = ch;
-
-				continue;
-			}
-
-			/*
-			 * Store the character.
-			 */
-			*cpOut++ = ch;
-		}
-
-		/*
-		 * Make sure that quoting is terminated properly.
-		 */
-		if (quote)
-		{
-			fprintf(stderr, "Unmatched quote character\n");
-
-			return FALSE;
-		}
-
-		/*
-		 * Null terminate the argument if it had shrunk, and then
-		 * skip over all blanks to the next argument, nulling them
-		 * out too.
-		 */
-		if (cp != cpOut)
-			*cpOut = '\0';
-
-		while (isBlank(*cp))
- 			*cp++ = '\0';
-
-		/*
-		 * If both quoted and unquoted wildcards were used then
-		 * complain since we don't handle them properly.
-		 */
-		if (quotedWildCards && unquotedWildCards)
-		{
-			fprintf(stderr,
-				"Cannot use quoted and unquoted wildcards\n");
-
-			return FALSE;
-		}
-
-		/*
-		 * Expand the argument into the matching filenames or accept
-		 * it as is depending on whether there were any unquoted
-		 * wildcard characters in it.
-		 */
-		if (unquotedWildCards)
-		{
-			/*
-			 * Expand the argument into the matching filenames.
-			 */
-			fileCount = expandWildCards(argument, &fileTable);
-
-			/*
-			 * Return an error if the wildcards failed to match.
-			 */
-			if (fileCount < 0)
-				return FALSE;
-
-			if (fileCount == 0)
-			{
-				fprintf(stderr, "Wildcard expansion error\n");
-
-				return FALSE;
-			}
-		}
-		else
-		{
-			/*
-			 * Set up to only store the argument itself.
-			 */
-			fileTable = &argument;
-			fileCount = 1;
-		}
-
-		/*
-		 * Now reallocate the argument table to hold the file name.
-		 */
-		if (argCount + fileCount >= argTableSize)
-		{
-			newArgTableSize = argCount + fileCount + 1;
-
-			newArgTable = (const char **) realloc(argTable,
-				(sizeof(const char *) * newArgTableSize));
-
-			if (newArgTable == NULL)
-			{
-				fprintf(stderr, "No memory for arg list\n");
-
-				return FALSE;
-			}
-
-			argTable = newArgTable;
-			argTableSize = newArgTableSize;
-		}
-
-		/*
-		 * Copy the new arguments to the end of the old ones.
-		 */
-		memcpy((void *) &argTable[argCount], (const void *) fileTable,
-			(sizeof(const char **) * fileCount));
-
-		/*
-		 * Add to the argument count.
-		 */
-		argCount += fileCount;
-	}
-
-	/*
-	 * Null terminate the argument list and return it.
-	 */
-	argTable[argCount] = NULL;
-
-	*retArgc = argCount;
-	*retArgv = argTable;
-
- 	return TRUE;
-}
-
-
-/*
  * 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
@@ -1114,15 +468,14 @@ fullRead(int fd, char * buf, int len)
 
 
 /*
- * Read all of the supplied buffer from a file.
- * This does multiple reads as necessary.
- * Returns the amount read, or -1 on an error.
- * A short read is returned on an end of file.
+ * Walk down all the directories under the specified 
+ * location, and do something (something specified
+ * by the fileAction and dirAction function pointers).
  */
 int
-recursive( const char *fileName, BOOL followLinks, const char* pattern, 
-	int (*fileAction)(const char* fileName, const struct stat* statbuf), 
-	int (*dirAction)(const char* fileName, const struct stat* statbuf))
+recursiveAction( const char *fileName, BOOL followLinks,
+	int (*fileAction)(const char* fileName), 
+	int (*dirAction)(const char* fileName))
 {
     int             status;
     struct stat     statbuf;
@@ -1135,45 +488,44 @@ recursive( const char *fileName, BOOL followLinks, const char* pattern,
 
     if (status < 0) {
 	perror(fileName);
-	return( -1);
+	return( FALSE);
     }
 
-    if (S_ISREG(statbuf.st_mode)) {
-	if (match(fileName, pattern)) {
-	    if (fileAction==NULL)
-		fprintf( stdout, "%s\n", fileName);
-	    else
-		return(fileAction(fileName, &statbuf));
+    if (S_ISDIR(statbuf.st_mode)) {
+	DIR *dir;
+	dir = opendir(fileName);
+	if (!dir) {
+	    perror(fileName);
+	    return(FALSE);
 	}
-    }
-    else if (S_ISDIR(statbuf.st_mode)) {
-	if (dirAction==NULL) {
-	    DIR *dir;
-	    if (! match(fileName, pattern))
-		return 1;
-	    dir = opendir(fileName);
-	    if (!dir) {
-		perror(fileName);
-		return( -1);
-	    }
-	    while ((next = readdir (dir)) != NULL) {
-		    status = recursive(fileName, followLinks, pattern, fileAction, dirAction);
-		    if (status < 0) {
-			closedir(dir);
-			return(status);
-		    }
-	    }
-	    status = closedir (dir);
-	    if (status < 0) {
-		perror(fileName);
-		return( -1);
-	    }
+	while ((next = readdir (dir)) != NULL) {
+		char nextFile[NAME_MAX];
+		if ( (strcmp(next->d_name, "..") == 0) || (strcmp(next->d_name, ".") == 0) ) {
+		    continue;
+		}
+		sprintf(nextFile, "%s/%s", fileName, next->d_name);
+		status = recursiveAction(nextFile, followLinks, fileAction, dirAction);
+		if (status < 0) {
+		    closedir(dir);
+		    return(FALSE);
+		}
+	}
+	status = closedir (dir);
+	if (status < 0) {
+	    perror(fileName);
+	    return( FALSE);
 	}
+	if (dirAction==NULL)
+	    return(TRUE);
 	else
-	    return(dirAction(fileName, &statbuf));
+	    return(dirAction(fileName));
+    }
+    else {
+	if (fileAction==NULL)
+	    return(TRUE);
+	else
+	    return(fileAction(fileName));
     }
-    return( 1);
-
 }