+ sources

src/image.c

@@ -0,0 +1,42 @@
+/*
+ * This program 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.
+ *
+ * This program 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 Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor Boston, MA 02110-1301,  USA
+ */
+
+#include "main.h"
+#include "image.h"
+
+#include <gd.h>
+
+int bitmap_compare(image_bitmap * const a, image_bitmap * const b)
+{
+  uint16_t row = 0;
+  uint16_t bit = 0;
+  size_t  cnt = 0;
+
+  for (row = 0; row < 16; row++) {
+    bit = 1 << 15;
+    while (bit) {
+      cnt += !!(((*a)[row] & bit) ^ ((*b)[row] & bit));
+      bit >>= 1;
+    }
+  }
+
+  return cnt;
+}
+
+int image_load(void)
+{
+  return 1;
+}

src/image.h

@@ -0,0 +1,6 @@
+#define SAMPLE_SIZE sizeof(uint16_t)
+
+typedef uint16_t image_bitmap[16];
+
+int bitmap_compare(image_bitmap * const a, image_bitmap * const b);
+int image_load(void);

src/main.c

@@ -0,0 +1,34 @@
+/*
+ * This program 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.
+ *
+ * This program 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 Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor Boston, MA 02110-1301,  USA
+ */
+
+#include "main.h"
+#include <gdbm.h>
+
+#define DB_BLOCKSIZE 256 * 1024
+
+GDBM_FILE dbf;
+
+int db_open(char *samples, char *files)
+{
+  dbf = gdbm_open(samples, DB_BLOCKSIZE, GDBM_WRCREAT, 0644, 0);
+
+  if (!dbf) {
+    printf("Can't open database: %s\n", gdbm_strerror(gdbm_errno));
+    return 0;
+  }
+
+  return 1;
+}

src/main.h

@@ -0,0 +1,21 @@
+#include <stdarg.h>
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <assert.h>
+#include <errno.h>
+#include <limits.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+
+extern int db_open(char *samples, char *files);
+extern int db_close(void);
+
+extern int image_add(uint64_t, char *path);
+extern int image_del(uint64_t);
+extern int image_exists(uint64_t);
+/*extern int image_find(uint64_t, rec_t **data, size_t limit);*/

src/test-image.c

@@ -0,0 +1,17 @@
+#include "main.h"
+#include "image.h"
+
+int main(int argc, char **argv)
+{
+  int i = 0;
+  image_bitmap a, b;
+
+  for (i = 0; i < 16; i++) {
+    a[i] = 0x0000;
+    b[i] = 0xFFFF;
+  }
+
+  printf("%u\n", bitmap_compare(&a, &b));
+
+  return 1;
+}