From 252d8e6c6c3df4d624e346d1e9b6f843b6c54226 Mon Sep 17 00:00:00 2001
From: Alex 'AdUser' Z <ad_user@runbox.com>
Date: Thu, 25 Feb 2016 22:44:04 +1000
Subject: [PATCH] + filelist.[ch]

---
 src/CMakeLists.txt |  2 +-
 src/filelist.c     | 49 ++++++++++++++++++++++++++++++++++++++++++++++
 src/filelist.h     | 10 ++++++++++
 3 files changed, 60 insertions(+), 1 deletion(-)
 create mode 100644 src/filelist.c
 create mode 100644 src/filelist.h

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index c14c823..62eb476 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -1,6 +1,6 @@
 set(CMAKE_INCLUDE_CURRENT_DIR ON)
 
-set(SOURCES "main.c" "logfile.c" "log.c" "matches.c" "ipaddr.c")
+set(SOURCES "main.c" "logfile.c" "log.c" "matches.c" "ipaddr.c" "filelist.c")
 
 add_executable(f2b ${SOURCES})
 
diff --git a/src/filelist.c b/src/filelist.c
new file mode 100644
index 0000000..20a89d8
--- /dev/null
+++ b/src/filelist.c
@@ -0,0 +1,49 @@
+#include <glob.h>
+
+#include "common.h"
+#include "logfile.h"
+#include "filelist.h"
+#include "log.h"
+
+f2b_logfile_t *
+f2b_filelist_append(f2b_logfile_t *list, f2b_logfile_t *file) {
+  assert(file != NULL);
+
+  if (list != NULL)
+    return file->next = list;
+  return file;
+}
+
+void
+f2b_filelist_apply(f2b_logfile_t *list, void (*cb)(f2b_logfile_t *, void *), void *arg) {
+  assert(cb != NULL);
+
+  for (; list != NULL; list = list->next)
+    (*cb)(list, arg);
+}
+
+f2b_logfile_t *
+f2b_filelist_from_glob(const char *pattern) {
+  f2b_logfile_t *file = NULL;
+  f2b_logfile_t *files = NULL;
+  glob_t globbuf;
+
+  assert(pattern != NULL);
+
+  if (glob(pattern, GLOB_MARK | GLOB_NOESCAPE, NULL, &globbuf) != 0)
+    return NULL;
+
+  for (size_t i = 0; i < globbuf.gl_pathc; i++) {
+    if ((file = calloc(1, sizeof(f2b_logfile_t))) == NULL)
+      continue;
+    if (f2b_logfile_open(file, globbuf.gl_pathv[i]) == false) {
+      log_msg(log_error, "can't open file: %s: %s", globbuf.gl_pathv[i], strerror(errno));
+      FREE(file);
+      continue;
+    }
+    files = f2b_filelist_append(files, file);
+  }
+
+  globfree(&globbuf);
+  return files;
+}
diff --git a/src/filelist.h b/src/filelist.h
new file mode 100644
index 0000000..ac2f554
--- /dev/null
+++ b/src/filelist.h
@@ -0,0 +1,10 @@
+#ifndef FILELIST_H_
+#define FILELIST_H_
+
+f2b_logfile_t *
+f2b_filelist_from_glob(const char *pattern);
+
+f2b_logfile_t *
+f2b_filelist_append(f2b_logfile_t *list, f2b_logfile_t *file);
+
+#endif /* FILELIST_H_ */