diff options
author | shyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2007-08-15 23:23:39 +0000 |
---|---|---|
committer | shyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2007-08-15 23:23:39 +0000 |
commit | 6175ca03be6d0d51359f9017123708987d0f5eb7 (patch) | |
tree | ecfcf6e79a21b1d25c3f6f42dd68ea0a14add89c /ruby_1_8_5/missing/strstr.c | |
parent | 80a56b248b2e9cfc95622aed98750df05a19f667 (diff) |
add tag v1_8_5_91v1_8_5_91
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/tags/v1_8_5_91@13046 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'ruby_1_8_5/missing/strstr.c')
-rw-r--r-- | ruby_1_8_5/missing/strstr.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/ruby_1_8_5/missing/strstr.c b/ruby_1_8_5/missing/strstr.c new file mode 100644 index 0000000000..1673518f06 --- /dev/null +++ b/ruby_1_8_5/missing/strstr.c @@ -0,0 +1,26 @@ +/* public domain rewrite of strstr(3) */ + +char * +strstr(haystack, needle) + char *haystack, *needle; +{ + char *hend; + char *a, *b; + + if (*needle == 0) return haystack; + hend = haystack + strlen(haystack) - strlen(needle) + 1; + while (haystack < hend) { + if (*haystack == *needle) { + a = haystack; + b = needle; + for (;;) { + if (*b == 0) return haystack; + if (*a++ != *b++) { + break; + } + } + } + haystack++; + } + return 0; +} |