Add missing files to CVS

src/lxc/parse.c

+/*
+ * lxc: linux Container library
+ *
+ * (C) Copyright IBM Corp. 2007, 2008
+ *
+ * Authors:
+ * Daniel Lezcano <dlezcano at fr.ibm.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <dirent.h>
+
+#include "parse.h"
+#include "lxc_log.h"
+
+static int dir_filter(const struct dirent *dirent)
+{
+	if (!strcmp(dirent->d_name, ".") ||
+            !strcmp(dirent->d_name, ".."))
+                return 0;
+        return 1;
+}
+
+int lxc_dir_for_each(const char *name, const char *directory,
+		     lxc_dir_cb callback, void *data)
+{
+	struct dirent **namelist;
+	int n;
+
+	n = scandir(directory, &namelist, dir_filter, alphasort);
+	if (n < 0) {
+		lxc_log_syserror("failed to scan %s directory", directory);
+		return -1;
+	}
+
+	while (n--) {
+		if (callback(name, directory, namelist[n]->d_name, data)) {
+			lxc_log_error("callback failed");
+			free(namelist[n]);
+			return -1;
+		}
+		free(namelist[n]);
+	}
+
+	return 0;
+}
+
+int lxc_file_for_each_line(const char *file, lxc_file_cb callback,
+			   void *buffer, size_t len, void* data)
+{
+	FILE *f;
+	int err = -1;
+
+	f = fopen(file, "r");
+	if (!f) {
+		lxc_log_syserror("failed to open %s", file);
+		return -1;
+	}
+
+	while (fgets(buffer, len, f)) {
+		err = callback(buffer, data);
+		if (err)
+			goto out;
+	}
+out:
+	fclose(f);
+	return err;
+}
+
+int lxc_char_left_gc(char *buffer, size_t len)
+{
+	int i;
+	for (i = 0; i < len; i++) {
+		if (buffer[i] == ' ' ||
+		    buffer[i] == '\t')
+			continue;
+		return i;
+	}
+	return 0;
+}
+
+int lxc_char_right_gc(char *buffer, size_t len)
+{
+	int i;
+	for (i = len - 1; i >= 0; i--) {
+		if (buffer[i] == ' '  ||
+		    buffer[i] == '\t' ||
+		    buffer[i] == '\n' ||
+		    buffer[i] == '\0')
+			continue;
+		return i + 1;
+	}
+	return 0;
+}
+
+int lxc_is_line_empty(char *line)
+{
+	int i;
+	size_t len = strlen(line);
+
+	for (i = 0; i < len; i++)
+		if (line[i] != ' ' && line[i] != '\t' &&
+		    line[i] != '\n' && line[i] != '\r' &&
+		    line[i] != '\f' && line[i] != '\0')
+			return 0;
+	return 1;
+}

src/lxc/parse.h

+/*
+ * lxc: linux Container library
+ *
+ * (C) Copyright IBM Corp. 2007, 2008
+ *
+ * Authors:
+ * Daniel Lezcano <dlezcano at fr.ibm.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+#ifndef __parse_h
+#define __parse_h
+
+typedef int (*lxc_dir_cb)(const char *name, const char *directory,
+			  const char *file, void *data);
+
+typedef int (*lxc_file_cb)(void *buffer, void *data);
+
+extern int lxc_dir_for_each(const char *name, const char *directory,
+			    lxc_dir_cb callback, void *data);
+
+extern int lxc_file_for_each_line(const char *file, lxc_file_cb callback,
+				  void *buffer, size_t len, void* data);
+
+extern int lxc_char_left_gc(char *buffer, size_t len);
+
+extern int lxc_char_right_gc(char *buffer, size_t len);
+
+extern int lxc_is_line_empty(char *line);
+
+#endif