Merge branch 'rs/checkout-some-states-are-const' into maint

diff --git a/git-compat-util.h b/git-compat-util.h
index 590bfddf73238d37f7b2d831a6e46ed608c005ce..68615b1a6a4db0f4ba7b4ce543e00e31e3b1705e 100644 (file)
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -436,6 +436,7 @@ static inline int const_error(void)
        return -1;
 }
 #define error(...) (error(__VA_ARGS__), const_error())
+#define error_errno(...) (error_errno(__VA_ARGS__), const_error())
 #endif
 
 extern void set_die_routine(NORETURN_PTR void (*routine)(const char *err, va_list params));
@@ -663,10 +664,22 @@ void *gitmemmem(const void *haystack, size_t haystacklen,
                 const void *needle, size_t needlelen);
 #endif
 
+#ifdef OVERRIDE_STRDUP
+#ifdef strdup
+#undef strdup
+#endif
+#define strdup gitstrdup
+char *gitstrdup(const char *s);
+#endif
+
 #ifdef NO_GETPAGESIZE
 #define getpagesize() sysconf(_SC_PAGESIZE)
 #endif
 
+#ifndef O_CLOEXEC
+#define O_CLOEXEC 0
+#endif
+
 #ifdef FREAD_READS_DIRECTORIES
 #ifdef fopen
 #undef fopen
@@ -815,7 +828,7 @@ extern FILE *fopen_for_writing(const char *path);
  * you can do:
  *
  *   struct foo *f;
- *   FLEX_ALLOC_STR(f, name, src);
+ *   FLEXPTR_ALLOC_STR(f, name, src);
  *
  * and "name" will point to a block of memory after the struct, which will be
  * freed along with the struct (but the pointer can be repointed anywhere).