string_utils: add remove_trailing_slashes()

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

src/lxc/initutils.c

@@ -217,13 +217,6 @@ const char *lxc_global_config_value(const char *option_name)
 	return values[i];
 }
 
-extern void remove_trailing_slashes(char *p)
-{
-	int l = strlen(p);
-	while (--l >= 0 && (p[l] == '/' || p[l] == '\n'))
-		p[l] = '\0';
-}
-
 /*
  * Sets the process title to the specified title. Note that this may fail if
  * the kernel doesn't support PR_SET_MM_MAP (kernels <3.18).

src/lxc/initutils.h

@@ -24,19 +24,21 @@
 #ifndef __LXC_INITUTILS_H
 #define __LXC_INITUTILS_H
 
+#include "config.h"
+
 #include <errno.h>
 #include <fcntl.h>
 #include <inttypes.h>
 #include <stdbool.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include <unistd.h>
 #include <sys/mount.h>
 #include <sys/stat.h>
 #include <sys/types.h>
+#include <unistd.h>
 
-#include "config.h"
+#include "string_utils.h"
 
 #define DEFAULT_VG "lxc"
 #define DEFAULT_THIN_POOL "lxc"
@@ -70,7 +72,6 @@ struct prctl_mm_map {
 
 extern const char *lxc_global_config_value(const char *option_name);
 
-extern void remove_trailing_slashes(char *p);
 extern int setproctitle(char *title);
 
 #endif /* __LXC_INITUTILS_H */

src/lxc/string_utils.c

@@ -978,3 +978,10 @@ int lxc_is_line_empty(const char *line)
 			return 0;
 	return 1;
 }
+
+void remove_trailing_slashes(char *p)
+{
+	int l = strlen(p);
+	while (--l >= 0 && (p[l] == '/' || p[l] == '\n'))
+		p[l] = '\0';
+}

src/lxc/string_utils.h

@@ -111,5 +111,6 @@ extern int lxc_char_right_gc(const char *buffer, size_t len);
 extern char *lxc_trim_whitespace_in_place(char *buffer);
 
 extern int lxc_is_line_empty(const char *line);
+extern void remove_trailing_slashes(char *p);
 
 #endif /* __LXC_STRING_UTILS_H */