t0027: combinations of core.autocrlf, core.eol and text

diff --git a/git-compat-util.h b/git-compat-util.h
index e6a4159a25ea2c4f98840b86994425e898cf134c..b6f03b36dc762b891e77a5ca44e7ca5f270c5af9 100644 (file)
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -267,6 +267,10 @@ extern char *gitbasename(char *);
 #define has_dos_drive_prefix(path) 0
 #endif
 
+#ifndef offset_1st_component
+#define offset_1st_component(path) (is_dir_sep((path)[0]))
+#endif
+
 #ifndef is_dir_sep
 #define is_dir_sep(c) ((c) == '/')
 #endif
@@ -330,8 +334,12 @@ extern void warning(const char *err, ...) __attribute__((format (printf, 1, 2)))
  * trying to help gcc, anyway, it's OK; other compilers will fall back to
  * using the function as usual.
  */
-#if defined(__GNUC__) && ! defined(__clang__)
-#define error(...) (error(__VA_ARGS__), -1)
+#if defined(__GNUC__)
+static inline int const_error(void)
+{
+       return -1;
+}
+#define error(...) (error(__VA_ARGS__), const_error())
 #endif
 
 extern void set_die_routine(NORETURN_PTR void (*routine)(const char *err, va_list params));
@@ -521,6 +529,14 @@ extern void release_pack_memory(size_t);
 typedef void (*try_to_free_t)(size_t);
 extern try_to_free_t set_try_to_free_routine(try_to_free_t);
 
+#ifdef HAVE_ALLOCA_H
+# include <alloca.h>
+# define xalloca(size)      (alloca(size))
+# define xalloca_free(p)    do {} while (0)
+#else
+# define xalloca(size)      (xmalloc(size))
+# define xalloca_free(p)    (free(p))
+#endif
 extern char *xstrdup(const char *str);
 extern void *xmalloc(size_t size);
 extern void *xmallocz(size_t size);