feat: first commit

sis.c

@@ -0,0 +1,68 @@
+/*-
+ * Copyright (c) 2024, Lorenzo Torres
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the <organization> nor the
+ *    names of its contributors may be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED ''AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stddef.h>
+#include <signal.h>
+#include <syslog.h>
+#include <imap.h>
+
+static imap_t *instance;
+
+void int_handler(int sig)
+{
+    if (instance != NULL) {
+        imap_close(instance);
+    }
+}
+
+int main(void)
+{
+    signal(SIGINT, int_handler);
+
+    openlog("sis", LOG_PID, LOG_MAIL);
+    syslog(LOG_INFO, "Starting sis %s.", VERSION);
+
+    int status = 0;
+    instance = (imap_t *) malloc(sizeof(imap_t));    
+
+    if ((status = imap_init(0, instance)) != 0) {
+        perror("imap_init");
+        goto ret;
+    }
+
+    imap_start(instance);
+
+ret:
+    if (instance != NULL) {
+        imap_close(instance);
+    }
+
+    closelog();
+    return status;
+}