sysctl: Export procfs base path in sysctl.h

Rename SYS_PATH to SYSCTL_PROC_PATH and make it available in sysctl.h
such that it can be used e.g. in error messages.

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>

2 files changed, 7 insertions, 6 deletions

diff --git a/sysctl.c b/sysctl.c
index 0dada99..da1ad86 100644
--- a/sysctl.c
+++ b/sysctl.c
@@ -11,8 +11,7 @@
 #include <limits.h>
 
 #include "built_in.h"
-
-#define SYS_PATH "/proc/sys/"
+#include "sysctl.h"
 
 int sysctl_set_int(const char *file, int value)
 {
@@ -21,8 +20,8 @@ int sysctl_set_int(const char *file, int value)
 	ssize_t ret;
 	int fd;
 
-	strncpy(path, SYS_PATH, PATH_MAX);
-	strncat(path, file, PATH_MAX - sizeof(SYS_PATH) - 1);
+	strncpy(path, SYSCTL_PROC_PATH, PATH_MAX);
+	strncat(path, file, PATH_MAX - sizeof(SYSCTL_PROC_PATH) - 1);
 
 	fd = open(path, O_WRONLY);
 	if (unlikely(fd < 0))
@@ -47,8 +46,8 @@ int sysctl_get_int(const char *file, int *value)
 	ssize_t ret;
 	int fd;
 
-	strncpy(path, SYS_PATH, PATH_MAX);
-	strncat(path, file, PATH_MAX - sizeof(SYS_PATH) - 1);
+	strncpy(path, SYSCTL_PROC_PATH, PATH_MAX);
+	strncat(path, file, PATH_MAX - sizeof(SYSCTL_PROC_PATH) - 1);
 
 	fd = open(path, O_RDONLY);
 	if (fd < 0)
diff --git a/sysctl.h b/sysctl.h
index 2f88f0a..332380b 100644
--- a/sysctl.h
+++ b/sysctl.h
@@ -1,6 +1,8 @@
 #ifndef SYSCTL_H
 #define SYSCTL_H
 
+#define SYSCTL_PROC_PATH "/proc/sys/"
+
 int sysctl_set_int(const char *file, int value);
 int sysctl_get_int(const char *file, int *value);