From 5280f9a0cd1f9ba200422ebba65d1e0133410995 Mon Sep 17 00:00:00 2001
From: Kaz Kylheku <kaz@kylheku.com>
Date: Sat, 13 Sep 2014 09:43:21 -0700
Subject: Initial.

---
 src/different.c | 72 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 72 insertions(+)
 create mode 100644 src/different.c

(limited to 'src/different.c')

diff --git a/src/different.c b/src/different.c
new file mode 100644
index 0000000..cfce5fb
--- /dev/null
+++ b/src/different.c
@@ -0,0 +1,72 @@
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+#include "different.h"
+#include "gripes.h"
+#include "man-config.h"
+#include "util.h"
+
+static struct filelist {
+    char *pathname;
+    struct filelist *next;
+} cat_list, man_list;
+
+static int
+is_different(const char *file, struct filelist *p) {
+    char *command;
+    const char *cmp = getval("CMP");
+    int ret;
+
+    if (cmp) {
+	while (p->next) {
+	    command = my_xsprintf("%s %S %S\n", cmp, file, p->pathname);
+	    ret = do_system_command (command, 1);
+	    if (ret == 0) {
+		gripe(IDENTICAL, file, p->pathname);
+		return 0;
+	    }
+	    p = p->next;
+	}
+	p->next = (struct filelist *) my_malloc(sizeof(struct filelist));
+	p->pathname = my_strdup(file);
+	p->next->next = 0;
+    }
+    return 1;
+}
+
+static int
+free_filelist (struct filelist *list){
+struct filelist *current, *next;
+
+ current = list; 
+ if (current != list)
+    do {
+        next = current->next;
+        if (current != list)
+            free(current);
+        current = next;
+    } while (current->next != NULL);
+
+ list->next = NULL;  
+ 
+ return 0; 
+}
+
+int
+different_cat_file (const char *file) {
+    return is_different (file, &cat_list);
+}
+
+int
+different_man_file (const char *file) {
+    return is_different (file, &man_list);
+}
+
+int 
+free_catman_filelists (void){
+
+    free_filelist(&man_list);
+    free_filelist(&cat_list);
+return 0;
+}
-- 
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