From 844d57fd5de46b45d8610d296dc5e20d749eff11 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Tue, 19 Jul 2016 20:43:54 +0200
Subject: bootctl: move toupper() implementation to string-util.h

We already have tolower() calls there, hence let's unify this at one place.
Also, update the code to only use ASCII operations, so that we don't end up
being locale dependant.
---
 src/basic/string-util.c | 19 +++++++++++++++++++
 src/basic/string-util.h |  3 +++
 2 files changed, 22 insertions(+)

diff --git a/src/basic/string-util.c b/src/basic/string-util.c
index 293a15f9c..e9856b90d 100644
--- a/src/basic/string-util.c
+++ b/src/basic/string-util.c
@@ -323,6 +323,14 @@ char ascii_tolower(char x) {
         return x;
 }
 
+char ascii_toupper(char x) {
+
+        if (x >= 'a' && x <= 'z')
+                return x - 'a' + 'A';
+
+        return x;
+}
+
 char *ascii_strlower(char *t) {
         char *p;
 
@@ -334,6 +342,17 @@ char *ascii_strlower(char *t) {
         return t;
 }
 
+char *ascii_strupper(char *t) {
+        char *p;
+
+        assert(t);
+
+        for (p = t; *p; p++)
+                *p = ascii_toupper(*p);
+
+        return t;
+}
+
 char *ascii_strlower_n(char *t, size_t n) {
         size_t i;
 
diff --git a/src/basic/string-util.h b/src/basic/string-util.h
index 1209e1e2e..b75aba63c 100644
--- a/src/basic/string-util.h
+++ b/src/basic/string-util.h
@@ -137,6 +137,9 @@ char ascii_tolower(char x);
 char *ascii_strlower(char *s);
 char *ascii_strlower_n(char *s, size_t n);
 
+char ascii_toupper(char x);
+char *ascii_strupper(char *s);
+
 int ascii_strcasecmp_n(const char *a, const char *b, size_t n);
 int ascii_strcasecmp_nn(const char *a, size_t n, const char *b, size_t m);
 
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