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authorSebastien Bacher <seb128@ubuntu.com>2020-01-13 16:10:30 +0100
committerSebastien Bacher <seb128@ubuntu.com>2020-01-13 16:31:40 +0100
commit5a09f7759860f4f2a9bb01471ca8099cd705bc10 (patch)
tree3a9cffc9622d53c9196771a1c7924bceb754f118 /shared/systemd/src/basic/format-util.c
parent25691220fd27093630cf244e219b2f4f1f4e749e (diff)
parentca847639aab94434daed120c874e1100c3d75dcf (diff)
Merge remote-tracking branch 'salsa/debian/master'
Diffstat (limited to 'shared/systemd/src/basic/format-util.c')
-rw-r--r--shared/systemd/src/basic/format-util.c19
1 files changed, 15 insertions, 4 deletions
diff --git a/shared/systemd/src/basic/format-util.c b/shared/systemd/src/basic/format-util.c
index 7a3e735b..62477f53 100644
--- a/shared/systemd/src/basic/format-util.c
+++ b/shared/systemd/src/basic/format-util.c
@@ -2,15 +2,26 @@
 
 #include "nm-sd-adapt-shared.h"
 
-#include <stdio.h>
-
 #include "format-util.h"
 #include "memory-util.h"
+#include "stdio-util.h"
 
-char *format_ifname(int ifindex, char buf[static IF_NAMESIZE + 1]) {
+assert_cc(DECIMAL_STR_MAX(int) + 1 <= IF_NAMESIZE + 1);
+char *format_ifname_full(int ifindex, char buf[static IF_NAMESIZE + 1], FormatIfnameFlag flag) {
         /* Buffer is always cleared */
         memzero(buf, IF_NAMESIZE + 1);
-        return if_indextoname(ifindex, buf);
+        if (if_indextoname(ifindex, buf))
+                return buf;
+
+        if (!FLAGS_SET(flag, FORMAT_IFNAME_IFINDEX))
+                return NULL;
+
+        if (FLAGS_SET(flag, FORMAT_IFNAME_IFINDEX_WITH_PERCENT))
+                snprintf(buf, IF_NAMESIZE + 1, "%%%d", ifindex);
+        else
+                snprintf(buf, IF_NAMESIZE + 1, "%d", ifindex);
+
+        return buf;
 }
 
 char *format_bytes_full(char *buf, size_t l, uint64_t t, FormatBytesFlag flag) {