XVFS
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Comment:Slightly better optimizations
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SHA3-256: 73cbe7370b299d6c0c26601e44080abb9f48faa98ae06ed196ed405e431985d0
User & Date: rkeene on 2019-05-03 22:30:03.227
Other Links: manifest | tags
Context
2019-05-03
22:38
Ensure consistent UTF-8 encoding is applied throughout the file handling process check-in: d99958bdd3 user: rkeene tags: trunk
22:30
Slightly better optimizations check-in: 73cbe7370b user: rkeene tags: trunk
22:18
Use adler32 to hash values check-in: fb9dd5d783 user: rkeene tags: trunk
Changes
Unified Diff Ignore Whitespace Patch
Modified xvfs.c.rvt from [57ce2c31b4] to [da060cbcb2].
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<?
	package require xvfs
	xvfs::main $argv
?>
static long xvfs_<?= $::xvfs::fsName ?>_nameToIndex(const char *path) {
	unsigned int pathHash;

	
	if (path == NULL) {
		return(XVFS_NAME_LOOKUP_ERROR);
	}
	

	pathHash = Tcl_ZlibAdler32(0, (const unsigned char *) path, strlen(path));
	switch (pathHash) {
<?
	for {set index 0} {$index < [llength $::xvfs::outputFiles]} {incr index} {
		set outputFile [lindex $::xvfs::outputFiles $index]
		set outputFileHash [zlib adler32 $outputFile 0]
		lappend outputFileHashToIndex($outputFileHash) $index
	}
	
	foreach {outputFileHash outputFileIndexes} [lsort -stride 2 -dictionary [array get outputFileHashToIndex]] {
?>		case <?= $outputFileHash ?>:
<?
			foreach outputFileIndex $outputFileIndexes {



?>			if (strcmp(path, xvfs_<?= $::xvfs::fsName ?>_data[<?= $outputFileIndex ?>].name) == 0) {
				return(<?= $outputFileIndex ?>);
			}
<?
			}
?>			break;
<?	} ?>
	}








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<?
	package require xvfs
	xvfs::main $argv
?>
static long xvfs_<?= $::xvfs::fsName ?>_nameToIndex(const char *path) {
	unsigned int pathHash;
	size_t pathLen;
	
	if (path == NULL) {
		return(XVFS_NAME_LOOKUP_ERROR);
	}

	pathLen = strlen(path);
	pathHash = Tcl_ZlibAdler32(0, (const unsigned char *) path, pathLen);
	switch (pathHash) {
<?
	for {set index 0} {$index < [llength $::xvfs::outputFiles]} {incr index} {
		set outputFile [lindex $::xvfs::outputFiles $index]
		set outputFileHash [zlib adler32 $outputFile 0]
		lappend outputFileHashToIndex($outputFileHash) $index
	}
	
	foreach {outputFileHash outputFileIndexes} [lsort -stride 2 -dictionary [array get outputFileHashToIndex]] {
?>		case <?= $outputFileHash ?>:
<?
			foreach outputFileIndex $outputFileIndexes {
				set outputFileName [lindex $::xvfs::outputFiles $outputFileIndex]
				set outputFileName [encoding convertto utf-8 $outputFileName]
				set outputFileNameLen [string length $outputFileName]
?>			if (pathLen == <?= $outputFileNameLen ?> && memcmp(path, xvfs_<?= $::xvfs::fsName ?>_data[<?= $outputFileIndex ?>].name, pathLen) == 0) {
				return(<?= $outputFileIndex ?>);
			}
<?
			}
?>			break;
<?	} ?>
	}
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