26 lines
898 B
Zig
26 lines
898 B
Zig
const debug = @import("../debug.zig");
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const assert = debug.assert;
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const mem = @import("../mem.zig");
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const Allocator = mem.Allocator;
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/// Allocates memory for the result, which must be freed by the caller.
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pub fn join(allocator: &Allocator, dirname: []const u8, basename: []const u8) -> %[]const u8 {
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const buf = %return allocator.alloc(u8, dirname.len + basename.len + 1);
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%defer allocator.free(buf);
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mem.copy(u8, buf, dirname);
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if (dirname[dirname.len - 1] == '/') {
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mem.copy(u8, buf[dirname.len...], basename);
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return buf[0...buf.len - 1];
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} else {
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buf[dirname.len] = '/';
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mem.copy(u8, buf[dirname.len + 1 ...], basename);
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return buf;
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}
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}
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test "os.path.join" {
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assert(mem.eql(u8, %%join(&debug.global_allocator, "/a/b", "c"), "/a/b/c"));
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assert(mem.eql(u8, %%join(&debug.global_allocator, "/a/b/", "c"), "/a/b/c"));
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}
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