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authormatz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>1999-01-20 04:59:39 +0000
committermatz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>1999-01-20 04:59:39 +0000
commit62e648e148b3cb9f96dcce808c55c02b7ccb4486 (patch)
tree9708892ece92e860d81559ab55e6b1f9400d7ffc /missing/strchr.c
parentaeb049c573be4dc24dd20650f40e4777e0f698cf (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.c45
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;
+}