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author | Nobuyoshi Nakada <nobu@ruby-lang.org> | 2020-01-11 16:32:56 +0900 |
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committer | nagachika <nagachika@ruby-lang.org> | 2020-07-23 16:56:42 +0900 |
commit | f1563edca0af1a5ad5cc748eb855ff9265e69e7f (patch) | |
tree | 3d2e73edf7b0269fbe200e44070e4aa37b84fde4 | |
parent | 4f714939efde6d6b3b74c09e1e151e6ce6818b90 (diff) | |
download | ruby-f1563edca0af1a5ad5cc748eb855ff9265e69e7f.tar.gz |
Get rid of use of magic number 'E'
-rw-r--r-- | marshal.c | 14 |
1 files changed, 10 insertions, 4 deletions
@@ -574,7 +574,7 @@ w_obj_each(st_data_t key, st_data_t val, st_data_t a) if (to_be_skipped_id(id)) { if (id == s_encoding_short) { - rb_warn("instance variable `E' on class %"PRIsVALUE" is not dumped", + rb_warn("instance variable `"name_s_encoding_short"' on class %"PRIsVALUE" is not dumped", CLASS_OF(arg->obj)); } return ST_CONTINUE; @@ -1360,6 +1360,13 @@ r_bytes0(long len, struct load_arg *arg) return str; } +static inline int +name_equal(const char *name, size_t nlen, const char *p, long l) +{ + if ((size_t)l != nlen || *p != *name) return 0; + return nlen == 1 || memcmp(p+1, name+1, nlen-1) == 0; +} + static int sym2encidx(VALUE sym, VALUE val) { @@ -1369,12 +1376,11 @@ sym2encidx(VALUE sym, VALUE val) if (rb_enc_get_index(sym) != ENCINDEX_US_ASCII) return -1; RSTRING_GETMEM(sym, p, l); if (l <= 0) return -1; - if (l == sizeof(name_encoding) && - memcmp(p, name_encoding, sizeof(name_encoding)) == 0) { + if (name_equal(name_encoding, sizeof(name_encoding), p, l)) { int idx = rb_enc_find_index(StringValueCStr(val)); return idx; } - else if (l == 1 && *p == 'E') { + if (name_equal(name_s_encoding_short, rb_strlen_lit(name_s_encoding_short), p, l)) { if (val == Qfalse) return rb_usascii_encindex(); else if (val == Qtrue) return rb_utf8_encindex(); /* bogus ignore */ |