allwpilib/upstream_utils/nanopb_patches/0002-Remove-extern-C.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Thad House <thadhouse1@gmail.com>
Date: Mon, 28 Oct 2024 16:58:15 -0700
Subject: [PATCH 2/4] Remove extern C

---
 generator/nanopb_generator.py |  8 --------
 pb.h                          |  8 --------
 pb_common.h                   |  9 ---------
 pb_decode.h                   | 16 ++++------------
 pb_encode.h                   | 12 ++----------
 5 files changed, 6 insertions(+), 47 deletions(-)

diff --git a/generator/nanopb_generator.py b/generator/nanopb_generator.py
index 735e4b7b31cdb66a1cdfbd2da6ae8fcde5986147..239aed4f379b5d454e3b65c48ca11e9f92b6bc4d 100755
--- a/generator/nanopb_generator.py
+++ b/generator/nanopb_generator.py
@@ -2086,10 +2086,6 @@ class ProtoFile:
                 yield extension.extension_decl()
             yield '\n'
 
-        yield '#ifdef __cplusplus\n'
-        yield 'extern "C" {\n'
-        yield '#endif\n\n'
-
         if self.enums:
                 yield '/* Helper constants for enums */\n'
                 for enum in self.enums:
@@ -2224,10 +2220,6 @@ class ProtoFile:
                 yield '#define %s %s\n' % (longname, shortname)
             yield '\n'
 
-        yield '#ifdef __cplusplus\n'
-        yield '} /* extern "C" */\n'
-        yield '#endif\n'
-
         if options.cpp_descriptors:
             yield '\n'
             yield '#ifdef __cplusplus\n'
diff --git a/pb.h b/pb.h
index cec078fe40d526712eda771db077ebf31c95e076..a7fd771f05d7182e73ab346b46294c6fc5ac44c7 100644
--- a/pb.h
+++ b/pb.h
@@ -94,10 +94,6 @@
 #endif
 #endif
 
-#ifdef __cplusplus
-extern "C" {
-#endif
-
 /* Macro for defining packed structures (compiler dependent).
  * This just reduces memory requirements, but is not required.
  */
@@ -895,10 +891,6 @@ struct pb_extension_s {
 
 #define PB_RETURN_ERROR(stream, msg) return PB_SET_ERROR(stream, msg), false
 
-#ifdef __cplusplus
-} /* extern "C" */
-#endif
-
 #ifdef __cplusplus
 #if __cplusplus >= 201103L
 #define PB_CONSTEXPR constexpr
diff --git a/pb_common.h b/pb_common.h
index d1d8bf55b13412887ab6d8fc6cfaf51348da9605..f08a87389b89e6d73468fd0d8e58af7f998cbbf3 100644
--- a/pb_common.h
+++ b/pb_common.h
@@ -9,10 +9,6 @@
 
 #include "pb.h"
 
-#ifdef __cplusplus
-extern "C" {
-#endif
-
 /* Initialize the field iterator structure to beginning.
  * Returns false if the message type is empty. */
 bool pb_field_iter_begin(pb_field_iter_t *iter, const pb_msgdesc_t *desc, void *message);
@@ -43,9 +39,4 @@ bool pb_field_iter_find_extension(pb_field_iter_t *iter);
 bool pb_validate_utf8(const char *s);
 #endif
 
-#ifdef __cplusplus
-} /* extern "C" */
 #endif
-
-#endif
-
diff --git a/pb_decode.h b/pb_decode.h
index c65d8ec716ea7282f68fdc2077a6a11130dd93fc..a96f18169127c3d2cd80ba89138421f2340b1fe2 100644
--- a/pb_decode.h
+++ b/pb_decode.h
@@ -10,14 +10,10 @@
 
 #include "pb.h"
 
-#ifdef __cplusplus
-extern "C" {
-#endif
-
 /* Structure for defining custom input streams. You will need to provide
  * a callback function to read the bytes from your storage, which can be
  * for example a file or a network socket.
- * 
+ *
  * The callback must conform to these rules:
  *
  * 1) Return false on IO errors. This will cause decoding to abort.
@@ -51,7 +47,7 @@ struct pb_istream_s
      * denial-of-service by excessively long messages.
      */
     size_t bytes_left;
-    
+
 #ifndef PB_NO_ERRMSG
     /* Pointer to constant (ROM) string when decoding function returns error */
     const char *errmsg;
@@ -67,7 +63,7 @@ struct pb_istream_s
 /***************************
  * Main decoding functions *
  ***************************/
- 
+
 /* Decode a single protocol buffers message from input stream into a C structure.
  * Returns true on success, false on any failure.
  * The actual struct pointed to by dest must match the description in fields.
@@ -78,7 +74,7 @@ struct pb_istream_s
  *    MyMessage msg = {};
  *    uint8_t buffer[64];
  *    pb_istream_t stream;
- *    
+ *
  *    // ... read some data into buffer ...
  *
  *    stream = pb_istream_from_buffer(buffer, count);
@@ -199,8 +195,4 @@ bool pb_decode_double_as_float(pb_istream_t *stream, float *dest);
 bool pb_make_string_substream(pb_istream_t *stream, pb_istream_t *substream);
 bool pb_close_string_substream(pb_istream_t *stream, pb_istream_t *substream);
 
-#ifdef __cplusplus
-} /* extern "C" */
-#endif
-
 #endif
diff --git a/pb_encode.h b/pb_encode.h
index 22491a7f5e0d787e3c62b0a45dbae31a3c191f58..961bde1e3542392c1da6ea64cd15904af6289d22 100644
--- a/pb_encode.h
+++ b/pb_encode.h
@@ -10,10 +10,6 @@
 
 #include "pb.h"
 
-#ifdef __cplusplus
-extern "C" {
-#endif
-
 /* Structure for defining custom output streams. You will need to provide
  * a callback function to write the bytes to your storage, which can be
  * for example a file or a network socket.
@@ -51,7 +47,7 @@ struct pb_ostream_s
 
     /* Number of bytes written so far. */
     size_t bytes_written;
-    
+
 #ifndef PB_NO_ERRMSG
     /* Pointer to constant (ROM) string when decoding function returns error */
     const char *errmsg;
@@ -117,7 +113,7 @@ pb_ostream_t pb_ostream_from_buffer(pb_byte_t *buf, size_t bufsize);
 
 /* Pseudo-stream for measuring the size of a message without actually storing
  * the encoded data.
- * 
+ *
  * Example usage:
  *    MyMessage msg = {};
  *    pb_ostream_t stream = PB_OSTREAM_SIZING;
@@ -190,8 +186,4 @@ bool pb_encode_float_as_double(pb_ostream_t *stream, float value);
  */
 bool pb_encode_submessage(pb_ostream_t *stream, const pb_msgdesc_t *fields, const void *src_struct);
 
-#ifdef __cplusplus
-} /* extern "C" */
-#endif
-
 #endif