diff options
author | shyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2007-08-15 19:08:43 +0000 |
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committer | shyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2007-08-15 19:08:43 +0000 |
commit | d464704f111d211c1f1ff9ef23ef1d755054be00 (patch) | |
tree | b58b17b645dc463322e5fca57fe282360db659c9 /ruby_1_8_5/missing/memmove.c | |
parent | e4f06b3f2dec4b5d6334c5e9907e1cecbf649fc4 (diff) |
add tag v1_8_5_54
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/tags/v1_8_5_54@12952 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'ruby_1_8_5/missing/memmove.c')
-rw-r--r-- | ruby_1_8_5/missing/memmove.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/ruby_1_8_5/missing/memmove.c b/ruby_1_8_5/missing/memmove.c new file mode 100644 index 0000000000..c9d67d8b45 --- /dev/null +++ b/ruby_1_8_5/missing/memmove.c @@ -0,0 +1,22 @@ +/* public domain rewrite of memcmp(3) */ + +void * +memmove (d, s, n) + void *d, *s; + int n; +{ + char *dst = d; + char *src = s; + void *ret = dst; + + if (src < dst) { + src += n; + dst += n; + while (n--) + *--dst = *--src; + } + else if (dst < src) + while (n--) + *dst++ = *src++; + return ret; +} |