Switch to version 3.0.1b2

size (#68)

python/obitools3/commands/alignpairedend.pyx

@@ -205,16 +205,22 @@ def run(config):
     if type(entries) == list:
         forward = entries[0]
         reverse = entries[1]
-        aligner = Kmer_similarity(forward, \
-                                  view2=reverse, \
-                                  kmer_size=config['alignpairedend']['kmersize'], \
-                                  reversed_column=None)
+        if len(forward) == 0 or len(reverse) == 0:
+            aligner = None
+        else:
+            aligner = Kmer_similarity(forward, \
+                                      view2=reverse, \
+                                      kmer_size=config['alignpairedend']['kmersize'], \
+                                      reversed_column=None)
     else:
-        aligner = Kmer_similarity(entries, \
-                                  column2=entries[REVERSE_SEQUENCE_COLUMN], \
-                                  qual_column2=entries[REVERSE_QUALITY_COLUMN], \
-                                  kmer_size=config['alignpairedend']['kmersize'], \
-                                  reversed_column=entries[b'reversed'])  # column created by the ngsfilter tool
+        if len(entries) == 0:
+            aligner = None
+        else:
+            aligner = Kmer_similarity(entries, \
+                                      column2=entries[REVERSE_SEQUENCE_COLUMN], \
+                                      qual_column2=entries[REVERSE_QUALITY_COLUMN], \
+                                      kmer_size=config['alignpairedend']['kmersize'], \
+                                      reversed_column=entries[b'reversed'])  # column created by the ngsfilter tool
         
     ba = alignmentIterator(entries, aligner)
     
@@ -251,7 +257,7 @@ def run(config):
         pb(i, force=True)
         print("", file=sys.stderr)
 
-    if kmer_ali :
+    if kmer_ali and aligner is not None:
         aligner.free()
 
     # Save command config in View and DMS comments

python/obitools3/commands/ngsfilter.pyx

@@ -645,6 +645,7 @@ def run(config):
     
     g = 0
     u = 0
+    i = 0
     no_tags = config['ngsfilter']['notags']
     try:
         for i in range(entries_len):

python/obitools3/commands/test.pyx

@@ -301,8 +301,8 @@ def fill_column(config, infos, col) :
 def create_random_column(config, infos) :
     alias = random.choice([b'', random_unique_name(infos)])
     tuples = random.choice([True, False])
+    dict_column = False
     if not tuples :
-        dict_column = random.choice([True, False])
         nb_elements_per_line=random.randint(1, config['test']['maxelts'])
         if nb_elements_per_line > 1:
             dict_column = True
@@ -311,7 +311,6 @@ def create_random_column(config, infos) :
             elements_names.append(random_unique_element_name(config, infos))
         elements_names = random.choice([None, elements_names])
     else :
-        dict_column = False
         nb_elements_per_line = 1
         elements_names = None
     name = random_unique_name(infos)

python/obitools3/parsers/universal.pyx

@@ -53,7 +53,11 @@ def entryIteratorFactory(lineiterator,
 
     i = iterator
         
-    first=next(i)    
+    try:
+        first=next(i)
+    except StopIteration:
+        first=""
+        pass
 
     format=b"tabular"
     

python/obitools3/version.py

@@ -1,5 +1,5 @@
 major = 3
 minor = 0
-serial= '0b43'
+serial= '1b2'
 
 version ="%d.%d.%s" % (major,minor,serial)

src/obi_clean.c

@@ -229,6 +229,8 @@ int obi_clean(const char* dms_name,
 		return -1;
 	}
 
+	seq_count = (i_view->infos)->line_count;
+
 	// Open the sequence column
 	if (strcmp((i_view->infos)->view_type, VIEW_TYPE_NUC_SEQS) == 0)
 		iseq_column = obi_view_get_column(i_view, NUC_SEQUENCE_COLUMN);
@@ -245,7 +247,7 @@ int obi_clean(const char* dms_name,
 	}
 
 	// Open the sample column if there is one
-	if ((strcmp(sample_column_name, "") == 0) || (sample_column_name == NULL))
+	if ((strcmp(sample_column_name, "") == 0) || (sample_column_name == NULL) || (seq_count == 0))
 	{
 		fprintf(stderr, "Info: No sample information provided, assuming one sample.\n");
 		sample_column = obi_view_get_column(i_view, COUNT_COLUMN);
@@ -340,66 +342,67 @@ int obi_clean(const char* dms_name,
 		return -1;
 	}
 
-	// Build kmer tables
-	ktable = hash_seq_column(i_view, iseq_column, 0);
-	if (ktable == NULL)
+	if (seq_count > 0)
 	{
-		obi_set_errno(OBI_CLEAN_ERROR);
-		obidebug(1, "\nError building kmer tables before aligning");
-		return -1;
-	}
+		// Build kmer tables
+		ktable = hash_seq_column(i_view, iseq_column, 0);
+		if (ktable == NULL)
+		{
+			obi_set_errno(OBI_CLEAN_ERROR);
+			obidebug(1, "\nError building kmer tables before aligning");
+			return -1;
+		}
 
-	seq_count = (i_view->infos)->line_count;
-
-	// Allocate arrays for sample counts otherwise reading in mapped files takes longer
-	complete_sample_count_array = (int*) malloc(seq_count * sample_count * sizeof(int));
-	if (complete_sample_count_array == NULL)
-	{
-		obi_set_errno(OBI_MALLOC_ERROR);
-		obidebug(1, "\nError allocating memory for the array of sample counts, size: %lld", seq_count * sample_count * sizeof(int));
-		return -1;
-	}
-	for (samp=0; samp < sample_count; samp++)
-	{
-		for (k=0; k<seq_count; k++)
-			complete_sample_count_array[k+(samp*seq_count)] = obi_get_int_with_elt_idx_and_col_p_in_view(i_view, sample_column, k, samp);
-	}
-
-	// Allocate arrays for blobs otherwise reading in mapped files takes longer
-	blob_array = (Obi_blob_p*) malloc(seq_count * sizeof(Obi_blob_p));
-	if (blob_array == NULL)
-	{
-		obi_set_errno(OBI_MALLOC_ERROR);
-		obidebug(1, "\nError allocating memory for the array of blobs");
-		return -1;
-	}
-	for (k=0; k<seq_count; k++)
-	{
-		blob_array[k] = obi_get_blob_with_elt_idx_and_col_p_in_view(i_view, iseq_column, k, 0);
-	}
-
-	// Allocate alignment result array (byte at 0 if not aligned yet,
-	//											1 if sequence at index has a similarity above the threshold with the current sequence,
-	//											2 if sequence at index has a similarity below the threshold with the current sequence)
-	alignment_result_array = (byte_t*) calloc(seq_count, sizeof(byte_t));
-	if (alignment_result_array == NULL)
-	{
-		obi_set_errno(OBI_MALLOC_ERROR);
-		obidebug(1, "\nError allocating memory for alignment result array");
-		return -1;
-	}
-
-	// Initialize all sequences to singletons or NA if no sequences in that sample
-	for (k=0; k<seq_count; k++)
-	{
+		// Allocate arrays for sample counts otherwise reading in mapped files takes longer
+		complete_sample_count_array = (int*) malloc(seq_count * sample_count * sizeof(int));
+		if (complete_sample_count_array == NULL)
+		{
+			obi_set_errno(OBI_MALLOC_ERROR);
+			obidebug(1, "\nError allocating memory for the array of sample counts, size: %lld", seq_count * sample_count * sizeof(int));
+			return -1;
+		}
 		for (samp=0; samp < sample_count; samp++)
 		{
-			if (obi_get_int_with_elt_idx_and_col_p_in_view(i_view, sample_column, k, samp) != OBIInt_NA)  // Only initialize samples where there are some sequences
+			for (k=0; k<seq_count; k++)
+				complete_sample_count_array[k+(samp*seq_count)] = obi_get_int_with_elt_idx_and_col_p_in_view(i_view, sample_column, k, samp);
+		}
+
+		// Allocate arrays for blobs otherwise reading in mapped files takes longer
+		blob_array = (Obi_blob_p*) malloc(seq_count * sizeof(Obi_blob_p));
+		if (blob_array == NULL)
+		{
+			obi_set_errno(OBI_MALLOC_ERROR);
+			obidebug(1, "\nError allocating memory for the array of blobs");
+			return -1;
+		}
+		for (k=0; k<seq_count; k++)
+		{
+			blob_array[k] = obi_get_blob_with_elt_idx_and_col_p_in_view(i_view, iseq_column, k, 0);
+		}
+
+		// Allocate alignment result array (byte at 0 if not aligned yet,
+		//											1 if sequence at index has a similarity above the threshold with the current sequence,
+		//											2 if sequence at index has a similarity below the threshold with the current sequence)
+		alignment_result_array = (byte_t*) calloc(seq_count, sizeof(byte_t));
+		if (alignment_result_array == NULL)
+		{
+			obi_set_errno(OBI_MALLOC_ERROR);
+			obidebug(1, "\nError allocating memory for alignment result array");
+			return -1;
+		}
+
+		// Initialize all sequences to singletons or NA if no sequences in that sample
+		for (k=0; k<seq_count; k++)
+		{
+			for (samp=0; samp < sample_count; samp++)
 			{
-				if (obi_set_char_with_elt_idx_and_col_p_in_view(o_view, status_column, k, samp, 's') < 0)
+				if (obi_get_int_with_elt_idx_and_col_p_in_view(i_view, sample_column, k, samp) != OBIInt_NA)  // Only initialize samples where there are some sequences
 				{
-					obidebug(1, "\nError initializing all sequences to singletons");
-					return -1;
+					if (obi_set_char_with_elt_idx_and_col_p_in_view(o_view, status_column, k, samp, 's') < 0)
+					{
+						obidebug(1, "\nError initializing all sequences to singletons");
+						return -1;
+					}
 				}
 			}
 		}
@@ -551,17 +554,20 @@ int obi_clean(const char* dms_name,
 		}
 	}
 
-	free_kmer_tables(ktable, seq_count);
-	free(complete_sample_count_array);
-	free(blob_array);
-	free(alignment_result_array);
+	if (seq_count > 0)
+	{
+		free_kmer_tables(ktable, seq_count);
+		free(complete_sample_count_array);
+		free(blob_array);
+		free(alignment_result_array);
+	}
 
 	fprintf(stderr, "\n");
 
 	if (stop)
 		return -1;
 
-	if (heads_only)
+	if (heads_only && (seq_count > 0))
 	{
 		line_selection = malloc((((o_view->infos)->line_count) + 1) * sizeof(index_t));
 		if (line_selection == NULL)
@@ -635,7 +641,7 @@ int obi_clean(const char* dms_name,
 	}
 
 	// Flag the end of the line selection
-	if (heads_only)
+	if (heads_only && (seq_count > 0))
 		line_selection[l] = -1;
 
 	// Create new view with line selection if heads only

src/obiavl.c

@@ -582,6 +582,7 @@ int truncate_avl_to_size_used(OBIDMS_avl_p avl)	// TODO is it necessary to unmap
 {
 	size_t  			file_size;
 	size_t  			new_data_size;
+	size_t  			header_size;
 	double  			multiple;
 	int 				file_descriptor;
 
@@ -589,6 +590,8 @@ int truncate_avl_to_size_used(OBIDMS_avl_p avl)	// TODO is it necessary to unmap
 	multiple = ceil((double) (ONE_IF_ZERO((avl->header)->nb_items * sizeof(AVL_node_t))) / (double) getpagesize());
 	new_data_size = ((size_t) multiple) * getpagesize();
 
+	header_size = (avl->header)->header_size;
+
 	// Check that it is actually greater than the current size of the file, otherwise no need to truncate
 	if ((avl->header)->avl_size == new_data_size)
 		return 0;
@@ -596,16 +599,22 @@ int truncate_avl_to_size_used(OBIDMS_avl_p avl)	// TODO is it necessary to unmap
 	// Get the file descriptor
 	file_descriptor = avl->avl_fd;
 
-	// Unmap the tree before truncating the file
+	// Unmap the entire file before truncating it (WSL requirement)
 	if (munmap(avl->tree, (avl->header)->avl_size) < 0)
 	{
 		obi_set_errno(OBI_AVL_ERROR);
 		obidebug(1, "\nError munmapping the tree of an AVL before truncating");
 		return -1;
 	}
+	if (munmap(avl->header, header_size) < 0)
+	{
+		obi_set_errno(OBI_AVL_ERROR);
+		obidebug(1, "\nError munmapping the tree of an AVL before truncating");
+		return -1;
+	}
 
 	// Truncate the file
-	file_size = (avl->header)->header_size + new_data_size;
+	file_size = header_size + new_data_size;
 	if (ftruncate(file_descriptor, file_size) < 0)
 	{
 		obi_set_errno(OBI_AVL_ERROR);
@@ -613,7 +622,22 @@ int truncate_avl_to_size_used(OBIDMS_avl_p avl)	// TODO is it necessary to unmap
 		return -1;
 	}
 
-	// Remap the data
+	// Remap the header and the data
+
+	avl->header    = mmap(NULL,
+			         header_size,
+					 PROT_READ | PROT_WRITE,
+					 MAP_SHARED,
+					 file_descriptor,
+					 0
+					);
+	if (avl->header == MAP_FAILED)
+	{
+		obi_set_errno(OBI_AVL_ERROR);
+		obidebug(1, "\nError re-mmapping the header of an AVL after truncating");
+		return -1;
+	}
+
 	avl->tree = mmap(NULL,
 			         new_data_size,
 					 PROT_READ | PROT_WRITE,
@@ -640,6 +664,7 @@ int truncate_avl_data_to_size_used(OBIDMS_avl_data_p avl_data)	// TODO is it nec
 {
 	size_t  			file_size;
 	index_t  			new_data_size;
+	size_t  			header_size;
 	double  			multiple;
 	int 				file_descriptor;
 
@@ -647,6 +672,8 @@ int truncate_avl_data_to_size_used(OBIDMS_avl_data_p avl_data)	// TODO is it nec
 	multiple = ceil((double) (ONE_IF_ZERO((avl_data->header)->data_size_used)) / (double) getpagesize());
 	new_data_size = ((index_t) multiple) * getpagesize();
 
+	header_size = (avl_data->header)->header_size;
+
 	// Check that it is actually greater than the current size of the file, otherwise no need to truncate
 	if ((avl_data->header)->data_size_max >= new_data_size)
 		return 0;
@@ -654,7 +681,8 @@ int truncate_avl_data_to_size_used(OBIDMS_avl_data_p avl_data)	// TODO is it nec
 	// Get the file descriptor
 	file_descriptor = avl_data->data_fd;
 
-	// Unmap the data before truncating the file
+	// Unmap the entire file before truncating it (WSL requirement)
+
 	if (munmap(avl_data->data, (avl_data->header)->data_size_max) < 0)
 	{
 		obi_set_errno(OBI_AVL_ERROR);
@@ -662,8 +690,15 @@ int truncate_avl_data_to_size_used(OBIDMS_avl_data_p avl_data)	// TODO is it nec
 		return -1;
 	}
 
+	if (munmap(avl_data->header, header_size) < 0)
+	{
+		obi_set_errno(OBI_AVL_ERROR);
+		obidebug(1, "\nError munmapping the header of an AVL before truncating");
+		return -1;
+	}
+
 	// Truncate the file
-	file_size = (avl_data->header)->header_size + new_data_size;
+	file_size = header_size + new_data_size;
 	if (ftruncate(file_descriptor, file_size) < 0)
 	{
 		obi_set_errno(OBI_AVL_ERROR);
@@ -672,6 +707,22 @@ int truncate_avl_data_to_size_used(OBIDMS_avl_data_p avl_data)	// TODO is it nec
 	}
 
 	// Remap the data
+
+	avl_data->header = mmap(NULL,
+					        header_size,
+						    PROT_READ | PROT_WRITE,
+						    MAP_SHARED,
+						    file_descriptor,
+						    0
+					      );
+
+	if (avl_data->header == MAP_FAILED)
+	{
+		obi_set_errno(OBI_AVL_ERROR);
+		obidebug(1, "\nError re-mmapping the header of an AVL after truncating");
+		return -1;
+	}
+
 	avl_data->data = mmap(NULL,
 					      new_data_size,
 						  PROT_READ | PROT_WRITE,
@@ -710,6 +761,20 @@ int grow_avl(OBIDMS_avl_p avl)		// TODO Lock when needed
 	header_size = (avl->header)->header_size;
 	file_size = header_size + new_data_size;
 
+	// Unmap the entire file before truncating it (WSL requirement)
+	if (munmap(avl->tree, old_data_size) < 0)
+	{
+		obi_set_errno(OBI_AVL_ERROR);
+		obidebug(1, "\nError munmapping the tree of an AVL tree file before enlarging");
+		return -1;
+	}
+	if (munmap(avl->header, header_size) < 0)
+	{
+		obi_set_errno(OBI_AVL_ERROR);
+		obidebug(1, "\nError munmapping the header of an AVL tree file before enlarging");
+		return -1;
+	}
+
 	// Enlarge the file
 	if (ftruncate(avl_file_descriptor, file_size) < 0)
 	{
@@ -718,12 +783,20 @@ int grow_avl(OBIDMS_avl_p avl)		// TODO Lock when needed
 		return -1;
 	}
 
-	// Unmap and re-map the data
+	// Re-map
 
-	if (munmap(avl->tree, old_data_size) < 0)
+	avl->header = mmap(NULL,
+					   header_size,
+					   PROT_READ | PROT_WRITE,
+					   MAP_SHARED,
+					   avl_file_descriptor,
+					   0
+					  );
+
+	if (avl->header == MAP_FAILED)
 	{
 		obi_set_errno(OBI_AVL_ERROR);
-		obidebug(1, "\nError munmapping the tree of an AVL tree file before enlarging");
+		obidebug(1, "\nError re-mmapping the header of an AVL tree file after enlarging the file");
 		return -1;
 	}
 
@@ -768,6 +841,20 @@ int grow_avl_data(OBIDMS_avl_data_p avl_data)		// TODO Lock when needed
 	header_size = (avl_data->header)->header_size;
 	file_size = header_size + new_data_size;
 
+	// Unmap the entire file before truncating it (WSL requirement)
+	if (munmap(avl_data->data, old_data_size) < 0)
+	{
+		obi_set_errno(OBI_AVL_ERROR);
+		obidebug(1, "\nError munmapping the data of an AVL tree data file before enlarging");
+		return -1;
+	}
+	if (munmap(avl_data->header, header_size) < 0)
+	{
+		obi_set_errno(OBI_AVL_ERROR);
+		obidebug(1, "\nError munmapping the header of an AVL tree data file before enlarging");
+		return -1;
+	}
+
 	// Enlarge the file
 	if (ftruncate(avl_data_file_descriptor, file_size) < 0)
 	{
@@ -776,12 +863,19 @@ int grow_avl_data(OBIDMS_avl_data_p avl_data)		// TODO Lock when needed
 		return -1;
 	}
 
-	// Unmap and re-map the data
+	// Re-map
 
-	if (munmap(avl_data->data, old_data_size) < 0)
+	avl_data->header = mmap(NULL,
+						    header_size,
+						    PROT_READ | PROT_WRITE,
+						    MAP_SHARED,
+						    avl_data_file_descriptor,
+						    0
+						   );
+	if (avl_data->header == MAP_FAILED)
 	{
 		obi_set_errno(OBI_AVL_ERROR);
-		obidebug(1, "\nError munmapping the data of an AVL tree data file before enlarging");
+		obidebug(1, "\nError re-mmapping the header of an AVL tree data file after enlarging the file");
 		return -1;
 	}
 
@@ -792,7 +886,6 @@ int grow_avl_data(OBIDMS_avl_data_p avl_data)		// TODO Lock when needed
 						  avl_data_file_descriptor,
 						  header_size
 						 );
-
 	if (avl_data->data == MAP_FAILED)
 	{
 		obi_set_errno(OBI_AVL_ERROR);

src/obidms.c

@@ -316,6 +316,15 @@ static int enlarge_infos_file(OBIDMS_p dms, size_t new_size)
 	multiple = 	ceil((double) new_size / (double) getpagesize());
 	rounded_new_size = multiple * getpagesize();
 
+	// Unmap the entire file before truncating it (WSL requirement)
+	if (munmap(dms->infos, (dms->infos)->file_size) < 0)
+	{
+		obi_set_errno(OBIDMS_UNKNOWN_ERROR);
+		obidebug(1, "\nError munmapping a DMS information file when enlarging");
+		close(infos_file_descriptor);
+		return -1;
+	}
+
 	// Enlarge the file
 	if (ftruncate(infos_file_descriptor, rounded_new_size) < 0)
 	{
@@ -325,15 +334,7 @@ static int enlarge_infos_file(OBIDMS_p dms, size_t new_size)
 		return -1;
 	}
 
-	// Unmap and remap the file
-	if (munmap(dms->infos, (dms->infos)->file_size) < 0)
-	{
-		obi_set_errno(OBIDMS_UNKNOWN_ERROR);
-		obidebug(1, "\nError munmapping a DMS information file when enlarging");
-		close(infos_file_descriptor);
-		return -1;
-	}
-
+	// Remap the file
 	dms->infos = mmap(NULL,
 					  rounded_new_size,
 					  PROT_READ | PROT_WRITE,

src/obidms.h

@@ -40,7 +40,7 @@
                                 	 	 	 	 */
 #define MAX_NB_OPENED_INDEXERS (1000) 			/**< The maximum number of indexers open at the same time.
                                 	 	 	 	 */
-#define MAX_PATH_LEN (1024)						/**< Maximum length for the character string defining a
+#define MAX_PATH_LEN (2048)						/**< Maximum length for the character string defining a
  	 	 	 	 	 	 	 	 	 	 	 	 *	 file or directory path.
  	 	 	 	 	 	 	 	 	 	 	 	 */
 

src/obidmscolumn.c

@@ -1769,6 +1769,7 @@ int obi_truncate_column(OBIDMS_column_p column)	// TODO is it necessary to unmap
 {
 	size_t  file_size;
 	size_t  data_size;
+	size_t  header_size;
 	index_t new_line_count;
 	double  multiple;
 	int 	column_file_descriptor;
@@ -1791,6 +1792,8 @@ int obi_truncate_column(OBIDMS_column_p column)	// TODO is it necessary to unmap
 
 	data_size = obi_array_sizeof((column->header)->stored_data_type, new_line_count, (column->header)->nb_elements_per_line);
 
+	header_size = (column->header)->header_size;
+
 	// Check that it is actually greater than the current data size, otherwise no need to truncate
 	if ((column->header)->data_size == data_size)
 		return 0;
@@ -1855,7 +1858,7 @@ int obi_truncate_column(OBIDMS_column_p column)	// TODO is it necessary to unmap
 		return -1;
 	}
 
-	// Unmap the data before truncating the file
+	// Unmap the entire file before truncating it (WSL requirement)
 	if (munmap(column->data, (column->header)->data_size) < 0)
 	{
 		obi_set_errno(OBICOL_UNKNOWN_ERROR);
@@ -1863,9 +1866,16 @@ int obi_truncate_column(OBIDMS_column_p column)	// TODO is it necessary to unmap
 		close(column_file_descriptor);
 		return -1;
 	}
+	if (munmap(column->header, header_size) < 0)
+	{
+		obi_set_errno(OBICOL_UNKNOWN_ERROR);
+		obidebug(1, "\nError munmapping the header of a column before truncating");
+		close(column_file_descriptor);
+		return -1;
+	}
 
 	// Truncate the column file
-	file_size = (column->header)->header_size + data_size;
+	file_size = header_size + data_size;
 	if (ftruncate(column_file_descriptor, file_size) < 0)
 	{
 		obi_set_errno(OBICOL_UNKNOWN_ERROR);
@@ -1874,13 +1884,30 @@ int obi_truncate_column(OBIDMS_column_p column)	// TODO is it necessary to unmap
 		return -1;
 	}
 
-	// Remap the data
+	// Remap the header and the data
+
+	column->header = mmap(NULL,
+						  header_size,
+						  PROT_READ | PROT_WRITE,
+						  MAP_SHARED,
+						  column_file_descriptor,
+						  0
+					     );
+
+	if (column->header == MAP_FAILED)
+	{
+		obi_set_errno(OBICOL_UNKNOWN_ERROR);
+		obidebug(1, "\nError re-mmapping the header of a column after truncating");
+		close(column_file_descriptor);
+		return -1;
+	}
+
 	column->data = mmap(NULL,
 						data_size,
 						PROT_READ | PROT_WRITE,
 						MAP_SHARED,
 						column_file_descriptor,
-						(column->header)->header_size
+						header_size
 					   );
 
 	if (column->data == MAP_FAILED)

src/obiview.c

@@ -638,6 +638,15 @@ static int enlarge_view_file(Obiview_p view, size_t new_size)
 	multiple = 	ceil((double) new_size / (double) getpagesize());
 	rounded_new_size = multiple * getpagesize();
 
+	// Unmap the entire file before truncating it (WSL requirement)
+	if (munmap(view->infos, (view->infos)->file_size) < 0)
+	{
+		obi_set_errno(OBIVIEW_ERROR);
+		obidebug(1, "\nError munmapping a view file when enlarging");
+		close(obiview_file_descriptor);
+		return -1;
+	}
+
 	// Enlarge the file
 	if (ftruncate(obiview_file_descriptor, rounded_new_size) < 0)
 	{
@@ -647,15 +656,7 @@ static int enlarge_view_file(Obiview_p view, size_t new_size)
 		return -1;
 	}
 
-	// Unmap and remap the file
-	if (munmap(view->infos, (view->infos)->file_size) < 0)
-	{
-		obi_set_errno(OBIVIEW_ERROR);
-		obidebug(1, "\nError munmapping a view file when enlarging");
-		close(obiview_file_descriptor);
-		return -1;
-	}
-
+	// Remap the file
 	view->infos = mmap(NULL,
 					   rounded_new_size,
 					   PROT_READ | PROT_WRITE,