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libutil: Introduce util_udev

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Move code to read udev files from zdev into a utility library for use by
other tools.

Acked-by: Jan Höppner <hoeppner@linux.ibm.com>
Reviewed-by: Peter Oberparleiter <oberpar@linux.ibm.com>
Reviewed-by: Tony Krowiak <akrowiak@linux.ibm.com>
Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
This commit is contained in:
Matthew Rosato
2021-09-15 11:51:56 -04:00
committed by Jan Höppner
parent f64b4087dd
commit 6f7982dae5
7 changed files with 443 additions and 376 deletions
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zdev/src/udev_ccw.c
+8 -7
View File
@@ -14,6 +14,7 @@
#include <string.h>
#include "lib/util_path.h"
#include "lib/util_udev.h"
#include "attrib.h"
#include "ccw.h"
@@ -44,7 +45,7 @@ bool udev_ccw_exists(const char *type, const char *id, bool autoconf)
}
static void add_setting_from_entry(struct setting_list *list,
struct udev_entry_node *entry,
struct util_udev_entry_node *entry,
struct attrib **attribs)
{
char *copy, *name, *end;
@@ -79,12 +80,12 @@ out:
}
/* Extract CCW device settings from a CCW device udev rule file. */
static void udev_file_get_settings(struct udev_file *file,
static void udev_file_get_settings(struct util_udev_file *file,
struct attrib **attribs,
struct setting_list *list)
{
struct udev_line_node *line;
struct udev_entry_node *entry;
struct util_udev_line_node *line;
struct util_udev_entry_node *entry;
util_list_iterate(&file->lines, line) {
entry = util_list_start(&line->entries);
@@ -100,12 +101,12 @@ exit_code_t udev_ccw_read_device(struct device *dev, bool autoconf)
struct subtype *st = dev->subtype;
struct device_state *state = autoconf ? &dev->autoconf :
&dev->persistent;
struct udev_file *file = NULL;
struct util_udev_file *file = NULL;
exit_code_t rc;
char *path;
path = path_get_udev_rule(st->name, dev->id, autoconf);
rc = udev_read_file(path, &file);
rc = (exit_code_t) util_udev_read_file(path, &file);
if (rc)
goto out;
if (udev_file_is_empty(file)) {
@@ -115,7 +116,7 @@ exit_code_t udev_ccw_read_device(struct device *dev, bool autoconf)
udev_file_get_settings(file, st->dev_attribs, state->settings);
state->exists = 1;
}
udev_free_file(file);
util_udev_free_file(file);
out:
free(path);