1 files changed, 43 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/procutils.h b/sysdeps/unix/sysv/linux/procutils.h
new file mode 100644
index 0000000000..b3c2f6fb55
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/procutils.h
@@ -0,0 +1,43 @@
+/* Utilities functions to read/parse Linux procfs and sysfs.
+   Copyright (C) 2023 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C 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.
+
+   The GNU C 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 the GNU C Library; if not, see
+   <https://www.gnu.org/licenses/>.  */
+
+#ifndef _PROCUTILS_H
+#define _PROCUTILS_H
+
+#include <stdbool.h>
+
+typedef int (*procutils_closure_t) (const char *line, void *arg);
+
+#define PROCUTILS_MAX_LINE_LEN 256
+
+/* Open and read the path FILENAME, line per line, and call CLOSURE with
+   argument ARG on each line.  The read is done with a static buffer,
+   with non-cancellable calls, and the line is null terminated.
+
+   The CLOSURE should return 0 if the read should continue, otherwise the
+   the function should stop and return early.
+
+   The '\n' is not included in the CLOSURE input argument and lines longer
+   than PROCUTILS_MAX_LINE_LEN characteres are ignored.
+
+   It returns true in case the file is fully read or false if CLOSURE
+   returns a value diferent than 0.  */
+bool procutils_read_file (const char *filename, procutils_closure_t closure,
+			  void *arg) attribute_hidden;
+
+#endif