1 files changed, 31 insertions, 0 deletions
diff --git a/revlist.c b/revlist.c
new file mode 100644
index 0000000..4c5dddb
--- /dev/null
+++ b/revlist.c
@@ -0,0 +1,31 @@
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+int main(int argc, char **argv)
+{
+    if(argc != 3){
+        fprintf(stderr, "Incorrect argument count.\nUsage: %s <string> <separator>\n"\
+               , argv[0]);
+        exit(1);
+    }
+
+    char *input = argv[1];
+    char separator = argv[2][0];
+    int length = strlen(input), startpos = 0, strpos;
+
+    char *output = malloc(length);
+
+    for(strpos = 0; strpos <= length; strpos ++){
+        if(input[strpos] == separator || strpos == length){
+            strncpy(output + length - strpos, input + startpos, strpos - startpos);
+            if(strpos != length)
+                output[length - strpos - 1] = separator;
+            startpos = strpos + 1;
+        }
+    }
+
+    printf("%s\n", output);
+    free(output);
+    return 0;
+}