|  | #ifndef RANGE_DIFF_H | 
|  | #define RANGE_DIFF_H | 
|  |  | 
|  | #include "diff.h" | 
|  | #include "strvec.h" | 
|  |  | 
|  | #define RANGE_DIFF_CREATION_FACTOR_DEFAULT 60 | 
|  |  | 
|  | struct range_diff_options { | 
|  | int creation_factor; | 
|  | unsigned dual_color:1; | 
|  | unsigned left_only:1, right_only:1; | 
|  | const struct diff_options *diffopt; /* may be NULL */ | 
|  | const struct strvec *other_arg; /* may be NULL */ | 
|  | }; | 
|  |  | 
|  | /* | 
|  | * Compare series of commits in `range1` and `range2`, and emit to the | 
|  | * standard output. | 
|  | */ | 
|  | int show_range_diff(const char *range1, const char *range2, | 
|  | struct range_diff_options *opts); | 
|  |  | 
|  | /* | 
|  | * Determine whether the given argument is usable as a range argument of `git | 
|  | * range-diff`, e.g. A..B. | 
|  | */ | 
|  | int is_range_diff_range(const char *arg); | 
|  |  | 
|  | #endif |