expose new introspection to library interfaces for consistency

examples/COUPLE/plugin/liblammpsplugin.c

@@ -150,6 +150,7 @@ liblammpsplugin_t *liblammpsplugin_load(const char *lib)
   ADDSYM(config_has_png_support);
   ADDSYM(config_has_jpeg_support);
   ADDSYM(config_has_ffmpeg_support);
+  ADDSYM(config_has_curl_support);
   ADDSYM(config_has_exceptions);
 
   ADDSYM(config_has_package);

examples/COUPLE/plugin/liblammpsplugin.h

@@ -203,6 +203,7 @@ struct _liblammpsplugin {
   int (*config_has_png_support)();
   int (*config_has_jpeg_support)();
   int (*config_has_ffmpeg_support)();
+  int (*config_has_curl_support)();
   int (*config_has_exceptions)();
 
   int (*config_has_package)(const char *);

fortran/lammps.f90

@@ -196,6 +196,7 @@ MODULE LIBLAMMPS
     PROCEDURE, NOPASS :: config_has_jpeg_support => lmp_config_has_jpeg_support
     PROCEDURE, NOPASS :: config_has_ffmpeg_support &
                                         => lmp_config_has_ffmpeg_support
+    PROCEDURE, NOPASS :: config_has_curl_support => lmp_config_has_curl_support
     PROCEDURE, NOPASS :: config_has_exceptions => lmp_config_has_exceptions
     PROCEDURE, NOPASS :: config_has_package => lmp_config_has_package
     PROCEDURE, NOPASS :: config_package_count => lammps_config_package_count
@@ -793,6 +794,12 @@ MODULE LIBLAMMPS
       INTEGER(c_int) :: lammps_config_has_ffmpeg_support
     END FUNCTION lammps_config_has_ffmpeg_support
 
+    FUNCTION lammps_config_has_curl_support() BIND(C)
+      IMPORT :: c_int
+      IMPLICIT NONE
+      INTEGER(c_int) :: lammps_config_has_curl_support
+    END FUNCTION lammps_config_has_curl_support
+
     FUNCTION lammps_config_has_exceptions() BIND(C)
       IMPORT :: c_int
       IMPLICIT NONE
@@ -2881,6 +2888,14 @@ CONTAINS
     lmp_config_has_ffmpeg_support = (has_ffmpeg_support /= 0_c_int)
   END FUNCTION lmp_config_has_ffmpeg_support
 
+  ! equivalent function to lammps_config_has_curl_support
+  LOGICAL FUNCTION lmp_config_has_curl_support()
+    INTEGER(c_int) :: has_curl_support
+
+    has_curl_support = lammps_config_has_curl_support()
+    lmp_config_has_curl_support = (has_curl_support /= 0_c_int)
+  END FUNCTION lmp_config_has_curl_support
+
   ! equivalent function to lammps_config_has_exceptions
   LOGICAL FUNCTION lmp_config_has_exceptions()
     INTEGER(c_int) :: has_exceptions

python/lammps/core.py

@@ -1969,6 +1969,21 @@ class lammps(object):
 
   # -------------------------------------------------------------------------
 
+  @property
+  def has_curl_support(self):
+    """ Report whether the LAMMPS shared library was compiled with support
+    for downloading files through libcurl.
+
+    This is a wrapper around the :cpp:func:`lammps_config_has_curl_support`
+    function of the library interface.
+
+    :return: state of CURL support
+    :rtype: bool
+    """
+    return self.lib.lammps_config_has_curl_support() != 0
+
+  # -------------------------------------------------------------------------
+
   def has_package(self, name):
     """ Report if the named package has been enabled in the LAMMPS shared library.
 

src/library.cpp

@@ -5877,6 +5877,23 @@ int lammps_config_has_ffmpeg_support() {
 
 /* ---------------------------------------------------------------------- */
 
+/** Check if the LAMMPS library supports downloading files via libcurl
+
+\verbatim embed:rst
+The LAMMPS :doc:`geturl command <geturl>` supports downloading files
+through using `the libcurl library <https://curl.se/libcurl/>`_.
+This function checks whether this feature was :ref:`enabled at compile
+time <libcurl>` and LAMMPS linked to the libcurl library.
+\endverbatim
+ *
+ * \return 1 if yes, otherwise 0
+ */
+int lammps_config_has_curl_support() {
+  return Info::has_curl_support() ? 1 : 0;
+}
+
+/* ---------------------------------------------------------------------- */
+
 /** Check whether LAMMPS errors will throw C++ exceptions.
  *
 \verbatim embed:rst

src/library.h

@@ -243,6 +243,7 @@ int lammps_config_has_gzip_support();
 int lammps_config_has_png_support();
 int lammps_config_has_jpeg_support();
 int lammps_config_has_ffmpeg_support();
+int lammps_config_has_curl_support();
 int lammps_config_has_exceptions();
 
 int lammps_config_has_package(const char *);

tools/swig/lammps.i

@@ -171,6 +171,7 @@ extern int    lammps_config_has_gzip_support();
 extern int    lammps_config_has_png_support();
 extern int    lammps_config_has_jpeg_support();
 extern int    lammps_config_has_ffmpeg_support();
+extern int    lammps_config_has_curl_support();
 extern int    lammps_config_has_exceptions();
 extern int    lammps_config_has_package(const char *);
 extern int    lammps_config_package_count();
@@ -359,6 +360,7 @@ extern int    lammps_config_has_gzip_support();
 extern int    lammps_config_has_png_support();
 extern int    lammps_config_has_jpeg_support();
 extern int    lammps_config_has_ffmpeg_support();
+extern int    lammps_config_has_curl_support();
 extern int    lammps_config_has_exceptions();
 extern int    lammps_config_has_package(const char *);
 extern int    lammps_config_package_count();