Move check function into its own file

There is going to be a lot of overlap in the code for the quick
and full checks that can be abstracted into their own functions.
Also many other file checking functions will be needed for the
full check. Put all these in a separate source file.

Signed-off-by: Allan McRae <allan@archlinux.org>

1 files changed, 82 insertions, 0 deletions

diff --git a/src/pacman/check.c b/src/pacman/check.c
new file mode 100644
index 00000000..e3b68a59
--- /dev/null
+++ b/src/pacman/check.c
@@ -0,0 +1,82 @@
+/*
+ *  check.c
+ *
+ *  Copyright (c) 2012 Pacman Development Team <pacman-dev@archlinux.org>
+ *
+ *  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 General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <limits.h>
+#include <string.h>
+#include <errno.h>
+
+/* pacman */
+#include "check.h"
+#include "conf.h"
+#include "util.h"
+
+/* Loop through the files of the package to check if they exist. */
+int check(alpm_pkg_t *pkg)
+{
+	const char *root, *pkgname;
+	size_t errors = 0;
+	size_t rootlen;
+	char f[PATH_MAX];
+	alpm_filelist_t *filelist;
+	size_t i;
+
+	root = alpm_option_get_root(config->handle);
+	rootlen = strlen(root);
+	if(rootlen + 1 > PATH_MAX) {
+		/* we are in trouble here */
+		pm_printf(ALPM_LOG_ERROR, _("path too long: %s%s\n"), root, "");
+		return 1;
+	}
+	strcpy(f, root);
+
+	pkgname = alpm_pkg_get_name(pkg);
+	filelist = alpm_pkg_get_files(pkg);
+	for(i = 0; i < filelist->count; i++) {
+		const alpm_file_t *file = filelist->files + i;
+		struct stat st;
+		const char *path = file->name;
+
+		if(rootlen + 1 + strlen(path) > PATH_MAX) {
+			pm_printf(ALPM_LOG_WARNING, _("path too long: %s%s\n"), root, path);
+			continue;
+		}
+		strcpy(f + rootlen, path);
+		/* use lstat to prevent errors from symlinks */
+		if(lstat(f, &st) != 0) {
+			if(config->quiet) {
+				printf("%s %s\n", pkgname, f);
+			} else {
+				pm_printf(ALPM_LOG_WARNING, "%s: %s (%s)\n",
+						pkgname, f, strerror(errno));
+			}
+			errors++;
+		}
+	}
+
+	if(!config->quiet) {
+		printf(_n("%s: %jd total file, ", "%s: %jd total files, ",
+					(unsigned long)filelist->count), pkgname, (intmax_t)filelist->count);
+		printf(_n("%jd missing file\n", "%jd missing files\n",
+					(unsigned long)errors), (intmax_t)errors);
+	}
+
+	return (errors != 0 ? 1 : 0);
+}
+
+/* vim: set ts=2 sw=2 noet: */