rebase -i: do not "echo" random user-supplied strings

diff --git a/strbuf.c b/strbuf.c
index 1170d01c4322b494cd900853279766edd030de32..83caf4a9147e6788107fb5fd23e6d9e1d6f6267f 100644 (file)
--- a/strbuf.c
+++ b/strbuf.c
@@ -1,6 +1,15 @@
 #include "cache.h"
 #include "refs.h"
 
+int starts_with(const char *str, const char *prefix)
+{
+       for (; ; str++, prefix++)
+               if (!*prefix)
+                       return 1;
+               else if (*str != *prefix)
+                       return 0;
+}
+
 int prefixcmp(const char *str, const char *prefix)
 {
        for (; ; str++, prefix++)
@@ -10,6 +19,15 @@ int prefixcmp(const char *str, const char *prefix)
                        return (unsigned char)*prefix - (unsigned char)*str;
 }
 
+int ends_with(const char *str, const char *suffix)
+{
+       int len = strlen(str), suflen = strlen(suffix);
+       if (len < suflen)
+               return 0;
+       else
+               return !strcmp(str + len - suflen, suffix);
+}
+
 int suffixcmp(const char *str, const char *suffix)
 {
        int len = strlen(str), suflen = strlen(suffix);