From 70605d6fea205dc6b6d2c30c95cfb449c170108a Mon Sep 17 00:00:00 2001
From: Ludovic Pouzenc <ludovic@pouzenc.fr>
Date: Sat, 8 Oct 2011 18:58:36 +0000
Subject: slicesDump éclatée en vue d'une mise à jour partielle de la fenetre à
 chaque modification.
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git-svn-id: file:///var/svn/2011-ddhardrescue/trunk@26 d3078510-dda0-49f1-841c-895ef4b7ec81
---
 src/slices.c | 89 ++++++++++++++++++++++++++++++++----------------------------
 1 file changed, 48 insertions(+), 41 deletions(-)

diff --git a/src/slices.c b/src/slices.c
index 06fa1b7..fae363a 100644
--- a/src/slices.c
+++ b/src/slices.c
@@ -203,19 +203,61 @@ slice_t *slicesFindLargestFast(slices_t *slices, address_t *foundMax, sliceStatu
 	return sMax;
 }
 
+void _sliceDump(char *dump, slice_t *curr, address_t blockSize, unsigned int charCount, address_t begin, address_t end) {
+	address_t sb,se,i;
+	char ci;
+
+	// If "curr" slice is (partially) contained/visible in the [begin,end] display interval
+	if ( !(curr->end < begin) && !(curr->begin > end) ) {
+		// Draw the slice on the right number of characters
+		// Mathematically correct, but crashes because address_t is UNSIGNED
+		// sb=MAX(0, (curr->begin - begin) / *blockSize);
+		sb=(curr->begin < begin)?0:(curr->begin - begin) / blockSize;
+		se=MIN((curr->end - begin) / blockSize, charCount-1);
+
+		/* Debug "assertion"
+		if (sb >= charCount || se >= charCount) {
+			printf("BUG : sb==%lli, se=%lli, charCount==%i\n", sb, se, charCount);
+			printf("BUG : MAX(0, (%lli - %lli) / %lli)", curr->begin, begin, blockSize);
+			pthread_mutex_unlock(&(slices->writeOrConsistentReadMutex));
+			exit(42);
+		}*/
+		
+		// Choose from the current slice status the right char to draw
+		switch (curr->status) {
+			case S_UNKNOWN:		ci='_'; break;
+			case S_UNREADABLE:	ci='!'; break;
+			case S_RECOVERED:	ci='.'; break;
+			default:		ci='~'; break;
+		}
+
+		// Draw on the right number of characters, paying attention with information collision
+		for (i=sb;i<=se;i++) {
+			if (dump[i] == ' ' ) {
+				// This is a new information
+				dump[i]=ci;
+			} else if ( dump[i] == ci || dump[i] == '!' ) {
+				// Already the right information or error, don't modify
+			} else {
+				// Multiple information on the same character
+				dump[i]='#';
+			}
+		}
+	}
+}
+
 char *slicesDump(slices_t *slices, address_t *blockSize, unsigned int charCount, address_t begin, address_t end) {
 	int res;
 	slice_t *curr;
-	address_t sb,se,i;
-	char *dump, ci;
+	char *dump;
 	
 	res=pthread_mutex_lock(&(slices->writeOrConsistentReadMutex));
 	if (res!=0) {
+		//FIXME Trashy code
 		perror("slicesDump, pb lock mutex");
 		exit(42);
 	}
 
-	curr = slices->first;
 	// If blockSize is 0, try to autodetect to display entire slice chain
 	if (*blockSize == 0) {
 		*blockSize=(end-begin+1)/(charCount-1);
@@ -228,45 +270,10 @@ char *slicesDump(slices_t *slices, address_t *blockSize, unsigned int charCount,
 	memset(dump, ' ', charCount);
 	dump[charCount]=0;
 
-	//For each slice
+	//For each slice write in dump ASCII representation
+	curr = slices->first;
 	while (curr != NULL) {
-		// If "curr" slice is (partially) contained/visible in the [begin,end] display interval
-		if ( !(curr->end < begin) && !(curr->begin > end) ) {
-			// Draw the slice on the right number of characters
-			// Mathematically correct, but crashes because address_t is UNSIGNED
-			// sb=MAX(0, (curr->begin - begin) / *blockSize);
-			sb=(curr->begin < begin)?0:(curr->begin - begin) / *blockSize;
-			se=MIN((curr->end - begin) / *blockSize, charCount-1);
-
-			/* Debug "assertion"
-			if (sb >= charCount || se >= charCount) {
-				printf("BUG : sb==%lli, se=%lli, charCount==%i\n", sb, se, charCount);
-				printf("BUG : MAX(0, (%lli - %lli) / %lli)", curr->begin, begin, *blockSize);
-				pthread_mutex_unlock(&(slices->writeOrConsistentReadMutex));
-				exit(42);
-			}*/
-			
-			// Choose from the current slice status the right char to draw
-			switch (curr->status) {
-				case S_UNKNOWN:		ci='_'; break;
-				case S_UNREADABLE:	ci='!'; break;
-				case S_RECOVERED:	ci='.'; break;
-				default:		ci='~'; break;
-			}
-
-			// Draw on the right number of characters, paying attention with information collision
-			for (i=sb;i<=se;i++) {
-				if (dump[i] == ' ' ) {
-					// This is a new information
-					dump[i]=ci;
-				} else if ( dump[i] == ci || dump[i] == '!' ) {
-					// Already the right information or error, don't modify
-				} else {
-					// Multiple information on the same character
-					dump[i]='#';
-				}
-			}
-		}
+		_sliceDump(dump, curr, *blockSize, charCount, begin, end);
 		curr=curr->next;
 	}
 
-- 
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