Hojun-Cho
a6abac22d8
Mirrors ref/hare/bytes/{equal,index,contains,reverse,zero}.ha for
the in-tree subset used by lib/encoding, lib/bufio, lib/memio;
converts 4 hextest sites from local beq to bytes.equal and drops
the now-dead beq in utf8test.
Surface:
- equal(a, b: []u8) bool
- index(s: []u8, needle: (u8 | []u8)) (i32 | void)
- rindex(s: []u8, needle: (u8 | []u8)) (i32 | void)
- contains(s: []u8, needle: (u8 | []u8)) bool
- hasprefix(s, pre: []u8) bool
- hassuffix(s, suf: []u8) bool
- reverse(s: []u8) void (already present, citation added)
- zero(s: []u8) void (already present, citation added)
Two documented Hare-fidelity gaps (cited in lib/bytes/bytes.ww
header, no in-tree caller demands them yet):
- index_slice / rindex_slice use naive O(n·m). Hare specialises
2/3/4-byte needles + falls back to Crochemore-Perrin two-way
(ref/hare/bytes/two_way.ha). Correctness equivalent.
- contains takes a single needle. Hare uses variadic
needle: (u8 | []u8)... (ref/hare/bytes/contains.ha:5).
Tests: 967_bytes_run drives lib/bytes/bytestest.ww via ww run.
Eight @test fns × table-driven row sets: equal (5), index_byte
(5), index_slice (10), rindex_byte (3), rindex_slice (3),
contains (4), hasprefix (6 verbatim from contains.ha:25),
hassuffix (6 verbatim from contains.ha:40).
Call-site conversions in the same commit (the conversions are
the proof the API is wired): lib/encoding/hex/hextest.ww drops
the local beq helper and 4 callers switch to bytes.equal;
lib/encoding/utf8/utf8test.ww drops the dead beq helper.
91/91 ok. 995_self_rebuild stays green (ww2==ww3==ww4 byte-id).
50 lines
1.2 KiB
C
50 lines
1.2 KiB
C
/*
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* 967_bytes_run — execute the lib/bytes @test fixture under the
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* C-side `ww run` driver and assert exit 0.
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*
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* Same thin-wrapper shape as 979_hex_run / 968_utf8_run:
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* bytestest.ww carries its own `export fn main()` that drives the
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* @test fns and signals which case failed via the exit code.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <sys/wait.h>
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static int
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runwait(const char *cmd)
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{
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int rc = system(cmd);
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if (rc == -1) return -1;
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if (WIFEXITED(rc)) return WEXITSTATUS(rc);
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return 1;
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}
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int
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main(void)
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{
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const char *bin = getenv("BIN");
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if (!bin) bin = "out/bin";
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char absbin[1024];
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if (bin[0] != '/') {
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char cwd[1024];
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if (getcwd(cwd, sizeof cwd) == NULL) return 1;
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snprintf(absbin, sizeof absbin, "%s/%s", cwd, bin);
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bin = absbin;
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}
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char cwd[1024];
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if (getcwd(cwd, sizeof cwd) == NULL) return 1;
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const char *src = "lib/bytes/bytestest.ww";
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char path[1024], cmd[2048];
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snprintf(path, sizeof path, "%s/%s", cwd, src);
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snprintf(cmd, sizeof cmd, "%s/ww run %s", bin, path);
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int rc = runwait(cmd);
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if (rc != 0) {
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fprintf(stderr, "bytes_run FAIL: %s exited %d\n", src, rc);
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return 1;
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}
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printf("bytes_run: %s ok\n", src);
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return 0;
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}
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