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std.Build: omit newline from last line

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Jan200101 2023-06-26 08:23:05 +02:00 committed by Andrew Kelley
parent d5ebe3e395
commit 42ca357604
1 changed files with 7 additions and 6 deletions
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13
lib/std/Build/Step/ConfigHeader.zig
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@ -303,10 +303,7 @@ fn render_cmake(
var line_index: u32 = 0;
var line_it = std.mem.splitScalar(u8, contents, '\n');
while (line_it.next()) |raw_line| : (line_index += 1) {
// if we reached the end of the buffer there is nothing worth doing anymore
if (line_it.index == line_it.buffer.len) {
continue;
}
const last_line = line_it.index == line_it.buffer.len;
const first_pass = replace_variables(allocator, raw_line, values, "@", "@") catch @panic("Failed to substitute");
const line = replace_variables(allocator, first_pass, values, "${", "}") catch @panic("Failed to substitute");
@ -316,7 +313,9 @@ fn render_cmake(
if (!std.mem.startsWith(u8, line, "#")) {
try output.appendSlice(line);
try output.appendSlice("\n");
if (!last_line) {
try output.appendSlice("\n");
}
continue;
}
var it = std.mem.tokenizeAny(u8, line[1..], " \t\r");
@ -325,7 +324,9 @@ fn render_cmake(
!std.mem.eql(u8, cmakedefine, "cmakedefine01"))
{
try output.appendSlice(line);
try output.appendSlice("\n");
if (!last_line) {
try output.appendSlice("\n");
}
continue;
}