some string_area cleanups

diff --git a/flist.c b/flist.c
index 4209165..5393392 100644 (file)
--- a/flist.c
+++ b/flist.c
@@ -55,7 +55,7 @@ static struct file_struct null_file;
 
 static void clean_flist(struct file_list *flist, int strip_root);
 
-struct string_area *string_area_new(int size)
+static struct string_area *string_area_new(int size)
 {
        struct string_area *a;
 
@@ -65,12 +65,12 @@ struct string_area *string_area_new(int size)
        a->current = a->base = malloc(size);
        if (!a->current) out_of_memory("string_area_new buffer");
        a->end = a->base + size;
-       a->next = 0;
+       a->next = NULL;
 
        return a;
 }
 
-void string_area_free(struct string_area *a)
+static void string_area_free(struct string_area *a)
 {
        struct string_area *next;
 
@@ -80,7 +80,7 @@ void string_area_free(struct string_area *a)
        }
 }
 
-char *string_area_malloc(struct string_area **ap, int size)
+static char *string_area_malloc(struct string_area **ap, int size)
 {
        char *p;
        struct string_area *a;
@@ -100,7 +100,7 @@ char *string_area_malloc(struct string_area **ap, int size)
        return p;
 }
 
-char *string_area_strdup(struct string_area **ap, const char *src)
+static char *string_area_strdup(struct string_area **ap, const char *src)
 {
        char* dest = string_area_malloc(ap, strlen(src) + 1);
        return strcpy(dest, src);
@@ -1015,7 +1015,7 @@ struct file_list *flist_new()
 #if ARENA_SIZE > 0
        flist->string_area = string_area_new(0);
 #else
-       flist->string_area = 0;
+       flist->string_area = NULL;
 #endif
        return flist;
 }