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Use less undefined

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This commit is contained in:
Jarred Sumner
2022-06-27 05:30:16 -07:00
parent 3059d0fbb3
commit e93bdc79c7
1 changed files with 9 additions and 1 deletions
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10
src/string_immutable.zig
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@@ -1472,7 +1472,11 @@ pub fn escapeHTMLForLatin1Input(allocator: std.mem.Allocator, latin1: []const u8
};
var any_needs_escape = false;
var buf: std.ArrayList(u8) = undefined;
var buf: std.ArrayList(u8) = std.ArrayList(u8){
.items = &.{},
.capacity = 0,
.allocator = allocator,
};
if (comptime Environment.isAarch64 or Environment.isX64) {
// pass #1: scan for any characters that need escaping
@@ -1488,6 +1492,8 @@ pub fn escapeHTMLForLatin1Input(allocator: std.mem.Allocator, latin1: []const u8
@bitCast(AsciiVectorU1, (vec == vecs[3])) |
@bitCast(AsciiVectorU1, (vec == vecs[4]))) == 1)
{
std.debug.assert(buf.capacity == 0);
buf = try std.ArrayList(u8).initCapacity(allocator, latin1.len + 6);
const copy_len = @ptrToInt(remaining.ptr) - @ptrToInt(latin1.ptr);
@memcpy(buf.items.ptr, latin1.ptr, copy_len);
@@ -1599,6 +1605,8 @@ pub fn escapeHTMLForLatin1Input(allocator: std.mem.Allocator, latin1: []const u8
scan_and_allocate_lazily: while (ptr != end) : (ptr += 1) {
switch (ptr[0]) {
'"', '&', '\'', '<', '>' => |c| {
std.debug.assert(buf.capacity == 0);
buf = try std.ArrayList(u8).initCapacity(allocator, latin1.len + @as(usize, Scalar.lengths[c]));
const copy_len = @ptrToInt(ptr) - @ptrToInt(latin1.ptr);
@memcpy(buf.items.ptr, latin1.ptr, copy_len - 1);