editor: add a function to launch the sequence editor

diff --git a/git-compat-util.h b/git-compat-util.h
index f9e4c5f9bc24404053ae3905251cc108eefb365e..9a64998b24b1de277772f1ac97a989aae3133898 100644 (file)
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -1006,6 +1006,23 @@ static inline int sane_iscase(int x, int is_lower)
                return (x & 0x20) == 0;
 }
 
+/*
+ * Like skip_prefix, but compare case-insensitively. Note that the comparison
+ * is done via tolower(), so it is strictly ASCII (no multi-byte characters or
+ * locale-specific conversions).
+ */
+static inline int skip_iprefix(const char *str, const char *prefix,
+                              const char **out)
+{
+       do {
+               if (!*prefix) {
+                       *out = str;
+                       return 1;
+               }
+       } while (tolower(*str++) == tolower(*prefix++));
+       return 0;
+}
+
 static inline int strtoul_ui(char const *s, int base, unsigned int *result)
 {
        unsigned long ul;
@@ -1057,7 +1074,7 @@ int git_qsort_s(void *base, size_t nmemb, size_t size,
 
 #define QSORT_S(base, n, compar, ctx) do {                     \
        if (qsort_s((base), (n), sizeof(*(base)), compar, ctx)) \
-               die("BUG: qsort_s() failed");                   \
+               BUG("qsort_s() failed");                        \
 } while (0)
 
 #ifndef REG_STARTEND
@@ -1116,6 +1133,9 @@ static inline int regexec_buf(const regex_t *preg, const char *buf, size_t size,
 #define HAVE_VARIADIC_MACROS 1
 #endif
 
+/* usage.c: only to be used for testing BUG() implementation (see test-tool) */
+extern int BUG_exit_code;
+
 #ifdef HAVE_VARIADIC_MACROS
 __attribute__((format (printf, 3, 4))) NORETURN
 void BUG_fl(const char *file, int line, const char *fmt, ...);