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author | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 1999-01-20 04:59:39 +0000 |
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committer | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 1999-01-20 04:59:39 +0000 |
commit | 62e648e148b3cb9f96dcce808c55c02b7ccb4486 (patch) | |
tree | 9708892ece92e860d81559ab55e6b1f9400d7ffc /missing/strchr.c | |
parent | aeb049c573be4dc24dd20650f40e4777e0f698cf (diff) |
ruby 1.3 cycle
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/RUBY@372 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; +} |