diff --git a/git-compat-util.h b/git-compat-util.h
index 81ceb7f906da563df8907d692b2628709ea8f660..fe845ae639767dc8f56a9196a7faefb468737bba 100644 (file)
--- a/git-compat-util.h
+++ b/git-compat-util.h
#include "compat/bswap.h"
/* General helper functions */
+extern void vreportf(const char *prefix, const char *err, va_list params);
extern NORETURN void usage(const char *err);
extern NORETURN void usagef(const char *err, ...) __attribute__((format (printf, 1, 2)));
extern NORETURN void die(const char *err, ...) __attribute__((format (printf, 1, 2)));
#define PROT_READ 1
#define PROT_WRITE 2
#define MAP_PRIVATE 1
-#define MAP_FAILED ((void*)-1)
#endif
#define mmap git_mmap
#endif /* NO_MMAP */
+#ifndef MAP_FAILED
+#define MAP_FAILED ((void *)-1)
+#endif
+
#ifdef NO_ST_BLOCKS_IN_STRUCT_STAT
#define on_disk_bytes(st) ((st).st_size)
#else
static inline size_t xsize_t(off_t len)
{
+ if (len > (size_t) len)
+ die("Cannot handle files this big");
return (size_t)len;
}