Completed issue malloc, fixed build warnings

Used malloc to dynamically assign enough memory for sections,
items, and media, using the functionality of issuemem.c

Included some function definitions in issue.h to remove
various build warnings

git-archimport-id: getht@sv.gnu.org/getht--mainline--0.1--patch-21

1 files changed, 107 insertions, 0 deletions

diff --git a/issuemem.c b/issuemem.c
new file mode 100644
index 0000000..f915de7
--- /dev/null
+++ b/issuemem.c
@@ -0,0 +1,107 @@
+/*
+ * Copyright 2006 Nick White
+ *
+ * This file is part of GetHT
+ * 
+ * GetHT is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * GetHT is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GetHT; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "issue.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(int *no_of_issues, iss ** issue)
+/* 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(int *no_of_sections, sec ** section)
+/* 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(int * no_of_items, it ** item)
+{
+	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;
+}