1 file changed, 67 insertions, 1 deletion
diff --git a/git.h b/git.h
index 922a167..b1e4828 100644
--- a/git.h
+++ b/git.h
@@ -31,7 +31,7 @@
 #include <sys/types.h>
 #include <dirent.h>
 #include <time.h>
-
+#include <regex.h>
 
 /* On most systems <limits.h> would have given us this, but
  * not on some systems (e.g. GNU/Hurd).
@@ -156,6 +156,72 @@ static inline void hashclr(unsigned char *hash)
 }
 
 
+/*
+ * from git:grep.h
+ */
+
+enum grep_pat_token {
+        GREP_PATTERN,
+        GREP_PATTERN_HEAD,
+        GREP_PATTERN_BODY,
+        GREP_AND,
+        GREP_OPEN_PAREN,
+        GREP_CLOSE_PAREN,
+        GREP_NOT,
+        GREP_OR,
+};
+
+enum grep_context {
+        GREP_CONTEXT_HEAD,
+        GREP_CONTEXT_BODY,
+};
+
+struct grep_pat {
+        struct grep_pat *next;
+        const char *origin;
+        int no;
+        enum grep_pat_token token;
+        const char *pattern;
+        regex_t regexp;
+};
+
+enum grep_expr_node {
+        GREP_NODE_ATOM,
+        GREP_NODE_NOT,
+        GREP_NODE_AND,
+        GREP_NODE_OR,
+};
+
+struct grep_opt {
+        struct grep_pat *pattern_list;
+        struct grep_pat **pattern_tail;
+        struct grep_expr *pattern_expression;
+        int prefix_length;
+        regex_t regexp;
+        unsigned linenum:1;
+        unsigned invert:1;
+        unsigned status_only:1;
+        unsigned name_only:1;
+        unsigned unmatch_name_only:1;
+        unsigned count:1;
+        unsigned word_regexp:1;
+        unsigned fixed:1;
+        unsigned all_match:1;
+#define GREP_BINARY_DEFAULT     0
+#define GREP_BINARY_NOMATCH     1
+#define GREP_BINARY_TEXT        2
+        unsigned binary:2;
+        unsigned extended:1;
+        unsigned relative:1;
+        unsigned pathname:1;
+        int regflags;
+        unsigned pre_context;
+        unsigned post_context;
+};
+
+
+extern void compile_grep_patterns(struct grep_opt *opt);
+extern void free_grep_patterns(struct grep_opt *opt);
 
 
 /*