Avoid using ssize_t in public header

This type is not available on Windows compilers, so define `la_ssize_t`
for use in `archive_entry.h` as we do in `archive.h` already.

diff --git a/libarchive/archive_entry.h b/libarchive/archive_entry.h
index ca77b37810f2eaccf851011a9dea1c49cbc85aff..03d47406e8a5a9d4538126c826496aabf68c0bcf 100644 (file)
--- a/libarchive/archive_entry.h
+++ b/libarchive/archive_entry.h
@@ -66,6 +66,27 @@ typedef int64_t la_int64_t;
 # endif
 #endif
 
+/* The la_ssize_t should match the type used in 'struct stat' */
+#if !defined(__LA_SSIZE_T_DEFINED)
+/* Older code relied on the __LA_SSIZE_T macro; after 4.0 we'll switch to the typedef exclusively. */
+# if ARCHIVE_VERSION_NUMBER < 4000000
+#define __LA_SSIZE_T la_ssize_t
+# endif
+#define __LA_SSIZE_T_DEFINED
+# if defined(_WIN32) && !defined(__CYGWIN__) && !defined(__WATCOMC__)
+#  if defined(_SSIZE_T_DEFINED) || defined(_SSIZE_T_)
+typedef ssize_t la_ssize_t;
+#  elif defined(_WIN64)
+typedef __int64 la_ssize_t;
+#  else
+typedef long la_ssize_t;
+#  endif
+# else
+# include <unistd.h>  /* ssize_t */
+typedef ssize_t la_ssize_t;
+# endif
+#endif
+
 /* Get a suitable definition for mode_t */
 #if ARCHIVE_VERSION_NUMBER >= 3999000
 /* Switch to plain 'int' for libarchive 4.0.  It's less broken than 'mode_t' */
@@ -526,9 +547,9 @@ __LA_DECL int        archive_entry_acl_next_w(struct archive_entry *, int /* want_type
 #define        ARCHIVE_ENTRY_ACL_STYLE_COMPACT         0x00000010
 
 __LA_DECL wchar_t *archive_entry_acl_to_text_w(struct archive_entry *,
-           ssize_t * /* len */, int /* flags */);
+           la_ssize_t * /* len */, int /* flags */);
 __LA_DECL char *archive_entry_acl_to_text(struct archive_entry *,
-           ssize_t * /* len */, int /* flags */);
+           la_ssize_t * /* len */, int /* flags */);
 __LA_DECL int archive_entry_acl_from_text_w(struct archive_entry *,
            const wchar_t * /* wtext */, int /* type */);
 __LA_DECL int archive_entry_acl_from_text(struct archive_entry *,