From a8ffb15c4a0566fabb50c94524e881ba2036dd1a Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Wed, 11 Aug 2021 23:28:18 -0400
Subject: Expose serd_strncasecmp in public API

---
 include/serd/serd.h | 12 ++++++++++++
 src/string.c        | 17 ++++++++++++++++-
 src/string_utils.h  | 12 ------------
 src/syntax.c        |  2 --
 4 files changed, 28 insertions(+), 15 deletions(-)

diff --git a/include/serd/serd.h b/include/serd/serd.h
index f30026ca..96890dbd 100644
--- a/include/serd/serd.h
+++ b/include/serd/serd.h
@@ -292,6 +292,18 @@ SERD_API
 char* SERD_NULLABLE
 serd_canonical_path(const char* SERD_NONNULL path);
 
+/**
+   Compare two strings ignoring case.
+
+   @return Less than, equal to, or greater than zero if `s1` is less than,
+   equal to, or greater than `s2`, respectively.
+*/
+SERD_PURE_API
+int
+serd_strncasecmp(const char* SERD_NONNULL s1,
+                 const char* SERD_NONNULL s2,
+                 size_t                   n);
+
 /**
    @}
    @defgroup serd_io_functions I/O Function Types
diff --git a/src/string.c b/src/string.c
index 6942b7b6..b9885d4f 100644
--- a/src/string.c
+++ b/src/string.c
@@ -1,5 +1,5 @@
 /*
-  Copyright 2011-2020 David Robillard <d@drobilla.net>
+  Copyright 2011-2021 David Robillard <d@drobilla.net>
 
   Permission to use, copy, modify, and/or distribute this software for any
   purpose with or without fee is hereby granted, provided that the above
@@ -14,8 +14,11 @@
   OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */
 
+#include "string_utils.h"
+
 #include "serd/serd.h"
 
+#include <stdint.h>
 #include <stdlib.h>
 
 void
@@ -68,3 +71,15 @@ serd_strerror(const SerdStatus status)
 
   return "Unknown error";
 }
+
+int
+serd_strncasecmp(const char* s1, const char* s2, size_t n)
+{
+  for (; n > 0 && *s2; s1++, s2++, --n) {
+    if (serd_to_lower(*s1) != serd_to_lower(*s2)) {
+      return ((*(const uint8_t*)s1 < *(const uint8_t*)s2) ? -1 : +1);
+    }
+  }
+
+  return 0;
+}
diff --git a/src/string_utils.h b/src/string_utils.h
index 5cf7ba8c..2fb4f860 100644
--- a/src/string_utils.h
+++ b/src/string_utils.h
@@ -94,18 +94,6 @@ serd_to_lower(const char c)
   return (char)((c >= 'A' && c <= 'Z') ? c + 32 : c);
 }
 
-static inline int
-serd_strncasecmp(const char* s1, const char* s2, size_t n)
-{
-  for (; n > 0 && *s2; s1++, s2++, --n) {
-    if (serd_to_lower(*s1) != serd_to_lower(*s2)) {
-      return ((*(const uint8_t*)s1 < *(const uint8_t*)s2) ? -1 : +1);
-    }
-  }
-
-  return 0;
-}
-
 static inline uint32_t
 utf8_num_bytes(const uint8_t leading)
 {
diff --git a/src/syntax.c b/src/syntax.c
index ace55ce2..fc1333a4 100644
--- a/src/syntax.c
+++ b/src/syntax.c
@@ -14,8 +14,6 @@
   OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */
 
-#include "string_utils.h"
-
 #include "serd/serd.h"
 
 #include <assert.h>
-- 
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