From b259696cfba3c78b0641d30f159250465aa75af8 Mon Sep 17 00:00:00 2001
From: Isaac Freund <ifreund@ifreund.xyz>
Date: Thu, 15 Oct 2020 12:19:50 +0200
Subject: [PATCH 1/2] std/fmt: rename allocPrint0() to allocPrintZ()

This is consistent with other standard library functions working with
null terminated pointers/slices.
---
 lib/std/fmt.zig | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/std/fmt.zig b/lib/std/fmt.zig
index 92e5f9c392..2a5f17c159 100644
--- a/lib/std/fmt.zig
+++ b/lib/std/fmt.zig
@@ -1151,7 +1151,10 @@ pub fn allocPrint(allocator: *mem.Allocator, comptime fmt: []const u8, args: any
     };
 }
 
-pub fn allocPrint0(allocator: *mem.Allocator, comptime fmt: []const u8, args: anytype) AllocPrintError![:0]u8 {
+/// Deprecated, use allocPrintZ
+pub const allocPrint0 = allocPrintZ;
+
+pub fn allocPrintZ(allocator: *mem.Allocator, comptime fmt: []const u8, args: anytype) AllocPrintError![:0]u8 {
     const result = try allocPrint(allocator, fmt ++ "\x00", args);
     return result[0 .. result.len - 1 :0];
 }

From d52035f4012f4f3225e2dcf9374b03ccd6600071 Mon Sep 17 00:00:00 2001
From: Isaac Freund <ifreund@ifreund.xyz>
Date: Thu, 15 Oct 2020 12:11:03 +0200
Subject: [PATCH 2/2] std/fmt: add bufPrintZ()

---
 lib/std/fmt.zig | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/lib/std/fmt.zig b/lib/std/fmt.zig
index 2a5f17c159..a3a97020bf 100644
--- a/lib/std/fmt.zig
+++ b/lib/std/fmt.zig
@@ -1131,6 +1131,11 @@ pub fn bufPrint(buf: []u8, comptime fmt: []const u8, args: anytype) BufPrintErro
     return fbs.getWritten();
 }
 
+pub fn bufPrintZ(buf: []u8, comptime fmt: []const u8, args: anytype) BufPrintError![:0]u8 {
+    const result = try bufPrint(buf, fmt ++ "\x00", args);
+    return result[0 .. result.len - 1 :0];
+}
+
 // Count the characters needed for format. Useful for preallocating memory
 pub fn count(comptime fmt: []const u8, args: anytype) u64 {
     var counting_writer = std.io.countingWriter(std.io.null_writer);