From a74632b50a2ba4b093b13633bbeb7f0579f010f3 Mon Sep 17 00:00:00 2001
From: Andrew Kelley <andrew@ziglang.org>
Date: Tue, 11 May 2021 14:51:21 -0700
Subject: C backend: fix emitting '$' in identifier names

This causes warnings from clang when compiled.
---
 src/codegen/c.zig | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

(limited to 'src/codegen')

diff --git a/src/codegen/c.zig b/src/codegen/c.zig
index 6f80ac6154..c66490426b 100644
--- a/src/codegen/c.zig
+++ b/src/codegen/c.zig
@@ -61,12 +61,13 @@ fn formatIdent(
     for (ident) |c, i| {
         switch (c) {
             'a'...'z', 'A'...'Z', '_' => try writer.writeByte(c),
+            '.' => try writer.writeByte('_'),
             '0'...'9' => if (i == 0) {
-                try writer.print("${x:2}", .{c});
+                try writer.print("_{x:2}", .{c});
             } else {
                 try writer.writeByte(c);
             },
-            else => try writer.print("${x:2}", .{c}),
+            else => try writer.print("_{x:2}", .{c}),
         }
     }
 }
@@ -599,7 +600,6 @@ pub fn genDecl(o: *Object) !void {
         }
         try w.writeAll(";");
         try o.indent_writer.insertNewline();
-
     } else {
         const writer = o.writer();
         try writer.writeAll("static ");
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