1 files changed, 135 insertions, 0 deletions
diff --git a/issuemem.c b/issuemem.c
new file mode 100644
index 0000000..2aa7edb
--- /dev/null
+++ b/issuemem.c
@@ -0,0 +1,135 @@
+/*
+ * This file is part of GetHT
+ *
+ * See COPYING file for copyright, license and warranty details.
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "getht.h"
+
+void nogo_mem()
+/*	called if memory assignation fails
+ *	TODO: handle freeing of memory to avoid leaks */
+{
+	fprintf(stderr, "Could not assign memory, exitting\n");
+	exit(1);
+}
+
+iss ** assignnew_iss(iss ** issue, int *no_of_issues)
+/* assign memory for new issue */
+{
+	iss ** tmp = NULL;
+
+	if(*no_of_issues < 0)
+	{       /* make issue** a new array of issue pointers */
+		if( (tmp = malloc(sizeof(iss *))) == NULL )
+			nogo_mem();
+	}
+	else
+	{       /* add a new pointer to issue pointer list */
+		if( (tmp = realloc(issue, sizeof(iss *) + (((*no_of_issues)+1) * sizeof(iss *)))) == NULL )
+			nogo_mem();
+	}
+
+	(*no_of_issues)++;
+	
+	/* make new array item a pointer to issue */
+	if( (tmp[*no_of_issues] = malloc(sizeof(iss))) == NULL )
+		nogo_mem();
+
+	return tmp;
+}
+
+sec ** assignnew_sec(sec ** section, int *no_of_sections)
+/* assign memory for new section */
+{
+	sec ** tmp = NULL;
+
+	if(*no_of_sections < 0)
+	{       /* make **section a new array of section pointers */
+		if( (tmp = malloc(sizeof(sec *))) == NULL )
+			nogo_mem();
+	}
+	else
+	{       /* add a new pointer to section pointer list */
+		if( (tmp = realloc(section, sizeof(sec *) + (((*no_of_sections)+1) * sizeof(sec *)))) == NULL )
+			nogo_mem();
+	}
+	
+	(*no_of_sections)++;
+
+	/* make new array item a pointer to issue */
+	if( (tmp[*no_of_sections] = malloc(sizeof(sec))) == NULL )
+		nogo_mem();
+
+	return tmp;
+}
+
+it ** assignnew_it(it ** item, int * no_of_items)
+{
+	it ** tmp = NULL;
+
+	if(*no_of_items < 0)
+	{       /* make **item a new array of item pointers */
+		if( (tmp = malloc(sizeof(it *))) == NULL )
+			nogo_mem();
+										                        }
+	else
+	{       /* add a new pointer to item pointer list */
+		if( (tmp = realloc(item, sizeof(it *) + (((*no_of_items)+1) * sizeof(it *)))) == NULL )
+			nogo_mem();
+	}
+
+	(*no_of_items)++;
+
+	/* make new array item a pointer to item */
+	if( (tmp[*no_of_items] = malloc(sizeof(it))) == NULL )
+		nogo_mem();
+
+	return tmp;
+}
+
+int issuesort(iss ** issue, int no_of_issues)
+/* does a basic bubble sort, by date, returning sorted issue */
+{
+	int sortindex[no_of_issues];
+
+	int count1, count2, temp;
+	
+	for(count1 = 0; count1 <= no_of_issues; count1++)
+		sortindex[count1] = count1;
+
+	/* find correct order of issues using a bubble sort */
+	for(count1 = 0; count1 <=no_of_issues; count1++)
+	{
+		for(count2 = 0; count2 < no_of_issues; count2++)
+		{
+			if(issue[sortindex[count2]]->date.year < issue[sortindex[count2+1]]->date.year)
+			{
+				temp = sortindex[count2];
+				sortindex[count2] = sortindex[count2+1];
+				sortindex[count2+1] = temp;
+			}
+			else if((issue[sortindex[count2]]->date.year == issue[sortindex[count2+1]]->date.year) &&
+				(issue[sortindex[count2]]->date.firstmonth < issue[sortindex[count2+1]]->date.firstmonth))
+			{
+				temp = sortindex[count2];
+				sortindex[count2] = sortindex[count2+1];
+				sortindex[count2+1] = temp;
+			}
+		}
+	}
+
+	iss * sortedissue[no_of_issues];
+
+	for(count1 = 0; count1 <= no_of_issues; count1++)
+		sortedissue[count1] = issue[sortindex[count1]];
+
+	for(count1 = 0; count1 <= no_of_issues; count1++)
+		issue[count1] = sortedissue[count1];
+
+	return 0;
+}