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stringio.c: chomp CR

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* ext/stringio/stringio.c (strio_getline): chomp CR not only LF,
  as well as String#chomp.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57043 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2016-12-10 08:54:40 +00:00
parent f46a137746
commit 30540c5675
2 changed files with 29 additions and 2 deletions
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11
ext/stringio/stringio.c
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@ -1041,6 +1041,7 @@ static inline int
chomp_newline_width(const char *s, const char *e)
{
if (e > s && *--e == '\n') {
if (e > s && *--e == '\r') return 2;
return 1;
}
return 0;
@ -1071,7 +1072,8 @@ strio_getline(struct getline_arg *arg, struct StringIO *ptr)
}
else if ((n = RSTRING_LEN(str)) == 0) {
p = s;
while (*p == '\n') {
while (p[(p + 1 < e) && (*p == '\r') && 0] == '\n') {
p += *p == '\r';
if (++p == e) {
return Qnil;
}
@ -1083,6 +1085,11 @@ strio_getline(struct getline_arg *arg, struct StringIO *ptr)
w = (arg->chomp ? 1 : 0);
break;
}
else if (*p == '\r' && p < e && p[1] == '\n') {
e = p + 2;
w = (arg->chomp ? 2 : 0);
break;
}
}
if (!w && arg->chomp) {
w = chomp_newline_width(s, e);
@ -1092,7 +1099,7 @@ strio_getline(struct getline_arg *arg, struct StringIO *ptr)
else if (n == 1) {
if ((p = memchr(s, RSTRING_PTR(str)[0], e - s)) != 0) {
e = p + 1;
w = (arg->chomp ? 1 : 0);
w = (arg->chomp ? (p > s && *(p-1) == '\r') + 1 : 0);
}
str = strio_substr(ptr, ptr->pos, e - s - w);
}