TextSegment: added plain copy method

sefht.geany

@@ -28,7 +28,7 @@ long_line_behaviour=1
 long_line_column=72
 
 [files]
-current_page=22
+current_page=25
 FILE_NAME_0=139;None;0;EUTF-8;1;1;0;%2Fhome%2Fjonathan%2FDokumente%2Fprojekte%2Fprgm%2Finternet%2Fweb%2FSeFHT%2FREADME;0;8
 FILE_NAME_1=134;None;0;EUTF-8;1;1;0;%2Fhome%2Fjonathan%2FDokumente%2Fprojekte%2Fprgm%2Finternet%2Fweb%2FSeFHT%2F.gitignore;0;8
 FILE_NAME_2=1737;Sh;0;EUTF-8;1;1;0;%2Fhome%2Fjonathan%2FDokumente%2Fprojekte%2Fprgm%2Finternet%2Fweb%2FSeFHT%2Fconfigure.ac;0;8
@@ -54,7 +54,7 @@ FILE_NAME_21=24;C;0;EUTF-8;1;1;0;%2Fhome%2Fjonathan%2FDokumente%2Fprojekte%2Fprg
 FILE_NAME_22=2765;C;0;EUTF-8;1;1;0;%2Fhome%2Fjonathan%2FDokumente%2Fprojekte%2Fprgm%2Finternet%2Fweb%2FSeFHT%2Fsrc%2Flib%2Fsefht%2Ftext.c;0;8
 FILE_NAME_23=19;C;0;EUTF-8;1;1;0;%2Fhome%2Fjonathan%2FDokumente%2Fprojekte%2Fprgm%2Finternet%2Fweb%2FSeFHT%2Fsrc%2Flib%2Fsefht%2Ftext.h;0;8
 FILE_NAME_24=1036;C;0;EUTF-8;1;1;0;%2Fhome%2Fjonathan%2FDokumente%2Fprojekte%2Fprgm%2Finternet%2Fweb%2FSeFHT%2Fsrc%2Flib%2Fsefht%2Ftext_data.h;0;8
-FILE_NAME_25=3661;C;0;EUTF-8;1;1;0;%2Fhome%2Fjonathan%2FDokumente%2Fprojekte%2Fprgm%2Finternet%2Fweb%2FSeFHT%2Fsrc%2Flib%2Fsefht%2Ftext_segment.c;0;8
+FILE_NAME_25=4650;C;0;EUTF-8;1;1;0;%2Fhome%2Fjonathan%2FDokumente%2Fprojekte%2Fprgm%2Finternet%2Fweb%2FSeFHT%2Fsrc%2Flib%2Fsefht%2Ftext_segment.c;0;8
 FILE_NAME_26=1083;C;0;EUTF-8;1;1;0;%2Fhome%2Fjonathan%2FDokumente%2Fprojekte%2Fprgm%2Finternet%2Fweb%2FSeFHT%2Fsrc%2Flib%2Fsefht%2Ftext_segment.h;0;8
 FILE_NAME_27=900;C;0;EUTF-8;1;1;0;%2Fhome%2Fjonathan%2FDokumente%2Fprojekte%2Fprgm%2Finternet%2Fweb%2FSeFHT%2Fsrc%2Flib%2Fsefht%2Ftext_segment_mark.c;0;8
 FILE_NAME_28=1867;C;0;EUTF-8;1;1;0;%2Fhome%2Fjonathan%2FDokumente%2Fprojekte%2Fprgm%2Finternet%2Fweb%2FSeFHT%2Fsrc%2Flib%2Fsefht%2Ftext_mark_static.c;0;8

src/lib/sefht/text_segment.c

@@ -178,6 +178,63 @@ free_text_segment (/*@only@*/ struct text_segment * segment)
 	return;
 }
 
+static inline
+/*@null@*/
+/*@only@*/
+struct text_segment *
+copy_text_segment (const struct text_segment * segment,
+                   /*@null@*/ /*@out@*/ struct SH_Status * status)
+	/*@globals fileSystem@*/
+	/*@modifies fileSystem@*/
+	/*@modifies status@*/
+{
+	struct text_segment * copy;
+	struct text_segment * copy_seg;
+
+	copy = malloc (sizeof (struct text_segment));
+	if (NULL == copy)
+	{
+		set_status (status, E_ALLOC, 3, "malloc failed");
+		return NULL;
+	}
+
+	copy_seg = copy;
+	do
+	{
+		copy_seg->length = segment->length;
+		copy_seg->size = segment->size;
+
+		copy_seg->text = malloc (copy_seg->size);
+		if (NULL == copy_seg->text)
+		{
+			set_status (status, E_ALLOC, 3, "malloc failed");
+			return NULL;
+		}
+
+		memcpy (copy_seg->text, segment->text, copy_seg->length+1);
+
+		/* TODO: add copy here */
+		init_marks (copy_seg);
+
+		if (NULL == segment->next)
+		{
+			copy_seg->next = NULL;
+			return copy;
+		}
+
+		copy_seg->next = malloc (sizeof (struct text_segment));
+		if (NULL == copy_seg->next)
+		{
+			free_text_segment (copy);
+			return NULL;
+		}
+
+		copy_seg = copy_seg->next;
+		segment = segment->next;
+	}
+	while (TRUE);
+}
+
 static inline
 /*@null@*/
 /*@only@*/