diff options
author | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 1998-03-11 07:33:08 +0000 |
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committer | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 1998-03-11 07:33:08 +0000 |
commit | 58649234258a476f7cd69db41f89405e117d4b32 (patch) | |
tree | 99136677122b7d904432408099b9d008ea8cfb6a /missing/strchr.c | |
parent | e8fea3f8dda47198a78d8957a07e8b304664e0a1 (diff) |
gets speed up patch
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/v1_1r@114 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'missing/strchr.c')
-rw-r--r-- | missing/strchr.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/missing/strchr.c b/missing/strchr.c new file mode 100644 index 0000000000..50714c9942 --- /dev/null +++ b/missing/strchr.c @@ -0,0 +1,45 @@ +/* + * strchr --- search a string for a character + * + * We supply this routine for those systems that aren't standard yet. + */ + +#include <stdio.h> + +char * +strchr(str, c) +register const char *str, c; +{ + if (c == '\0') { + /* thanks to Mike Brennan ... */ + do { + if (*str == c) + return (char *) str; + } while (*str++); + } else { + for (; *str; str++) + if (*str == c) + return (char *) str; + } + + return NULL; +} + +/* + * strrchr --- find the last occurrence of a character in a string + * + * We supply this routine for those systems that aren't standard yet. + */ + +char * +strrchr(str, c) +register const char *str, c; +{ + register const char *save = NULL; + + for (; *str; str++) + if (*str == c) + save = str; + + return (char *) save; +} |