Introduce usagef() that takes a printf-style format

diff --git a/cache.h b/cache.h
index a5eeead1e275523fbc7bc192a836193720370991..71a731dbc988a8a22d0a2e1f8f3a5223f4c5d67a 100644 (file)
--- a/cache.h
+++ b/cache.h
@@ -396,6 +396,7 @@ extern const char *setup_git_directory_gently(int *);
 extern const char *setup_git_directory(void);
 extern const char *prefix_path(const char *prefix, int len, const char *path);
 extern const char *prefix_filename(const char *prefix, int len, const char *path);
+extern int check_filename(const char *prefix, const char *name);
 extern void verify_filename(const char *prefix, const char *name);
 extern void verify_non_filename(const char *prefix, const char *name);
 
@@ -986,10 +987,12 @@ void shift_tree(const unsigned char *, const unsigned char *, unsigned char *, i
  * whitespace rules.
  * used by both diff and apply
  */
-#define WS_TRAILING_SPACE      01
+#define WS_BLANK_AT_EOL         01
 #define WS_SPACE_BEFORE_TAB    02
 #define WS_INDENT_WITH_NON_TAB 04
 #define WS_CR_AT_EOL           010
+#define WS_BLANK_AT_EOF        020
+#define WS_TRAILING_SPACE      (WS_BLANK_AT_EOL|WS_BLANK_AT_EOF)
 #define WS_DEFAULT_RULE (WS_TRAILING_SPACE|WS_SPACE_BEFORE_TAB)
 extern unsigned whitespace_rule_cfg;
 extern unsigned whitespace_rule(const char *);