w32: Add new API fucntion gpgrt_w32_reg_query_string.

* src/w32-reg.c: New.
* src/w32-add.h: Add gpgrt_w32_reg_query_string.
* src/visibility.c (gpgrt_w32_reg_query_string): New wrapper.
* src/gpg-error.def.in: Add gpgrt_w32_reg_query_string.
* configure.ac (ac_check_funcs): Add stpcpy.
* src/Makefile.am (arch_sources): Add w32-reg.c
(socklibs): New.
(libgpg_error_la_LIBADD): Add socklibs.
* src/gpgrt-int.h (xfree, xtrymalloc, xtrycalloc)
(xtryrealloc): New internal macros.
(_gpgrt_stpcpy, stpcpy): New replacement fucntion and macro.
* src/logging.c (_gpgrt_logv_internal): Use new registry query
function and add standard registry key.
--

This also fixes the build failure on Widnwos for logging.c.

The code for gpgrt_w32_reg_query_string has been taken from the
function read_w32_registry_string in w32-utils.c in the GPGME package.

Signed-off-by: Werner Koch <[email protected]>

1 files changed, 5 insertions, 0 deletions

diff --git a/src/w32-add.h b/src/w32-add.h
index 5db6500..07e3c7d 100644
--- a/src/w32-add.h
+++ b/src/w32-add.h
@@ -56,3 +56,8 @@ size_t  gpgrt_w32_iconv (gpgrt_w32_iconv_t cd,
 # define iconv_close(a)   gpgrt_w32_iconv_close ((a))
 # define iconv(a,b,c,d,e) gpgrt_w32_iconv ((a),(b),(c),(d),(e))
 #endif /*GPGRT_ENABLE_W32_ICONV_MACROS*/
+
+/* Query a string in the registry.  */
+char *gpgrt_w32_reg_query_string (const char *root,
+                                  const char *dir,
+                                  const char *name);