1 /*
2  * Copyright (C) by Argonne National Laboratory
3  *     See COPYRIGHT in top-level directory
4  */
5 
6 #include "mpiimpl.h"
7 
8 /* -- Begin Profiling Symbol Block for routine MPI_Get_library_version */
9 #if defined(HAVE_PRAGMA_WEAK)
10 #pragma weak MPI_Get_library_version = PMPI_Get_library_version
11 #elif defined(HAVE_PRAGMA_HP_SEC_DEF)
12 #pragma _HP_SECONDARY_DEF PMPI_Get_library_version  MPI_Get_library_version
13 #elif defined(HAVE_PRAGMA_CRI_DUP)
14 #pragma _CRI duplicate MPI_Get_library_version as PMPI_Get_library_version
15 #elif defined(HAVE_WEAK_ATTRIBUTE)
16 int MPI_Get_library_version(char *version, int *resultlen)
17     __attribute__ ((weak, alias("PMPI_Get_library_version")));
18 #endif
19 /* -- End Profiling Symbol Block */
20 
21 /* Define MPICH_MPI_FROM_PMPI if weak symbols are not supported to build
22    the MPI routines */
23 #ifndef MPICH_MPI_FROM_PMPI
24 #undef MPI_Get_library_version
25 #define MPI_Get_library_version PMPI_Get_library_version
26 
27 #endif
28 
29 /*@
30    MPI_Get_library_version - Return the version number of MPI library
31 
32 Output Parameters:
33 +  version - Version of MPI
34 -  resultlen - Length of the MPI library version string
35 
36 .N SignalSafe
37 
38 .N Fortran
39 
40 .N Errors
41 .N MPI_SUCCESS
42 @*/
MPI_Get_library_version(char * version,int * resultlen)43 int MPI_Get_library_version(char *version, int *resultlen)
44 {
45     int mpi_errno = MPI_SUCCESS;
46     int printed_len;
47     MPIR_FUNC_TERSE_STATE_DECL(MPID_STATE_MPI_GET_LIBRARY_VERSION);
48 
49     /* Note that this routine may be called before MPI_Init */
50 
51     MPIR_FUNC_TERSE_ENTER(MPID_STATE_MPI_GET_LIBRARY_VERSION);
52 
53     /* Validate parameters and objects (post conversion) */
54 #ifdef HAVE_ERROR_CHECKING
55     {
56         MPID_BEGIN_ERROR_CHECKS;
57         {
58             MPIR_ERRTEST_ARGNULL(version, "version", mpi_errno);
59             MPIR_ERRTEST_ARGNULL(resultlen, "resultlen", mpi_errno);
60         }
61         MPID_END_ERROR_CHECKS;
62     }
63 #endif /* HAVE_ERROR_CHECKING */
64 
65     /* ... body of routine ...  */
66 
67     printed_len = MPL_snprintf(version, MPI_MAX_LIBRARY_VERSION_STRING,
68                                "MPICH Version:\t%s\n"
69                                "MPICH Release date:\t%s\n"
70                                "MPICH ABI:\t%s\n"
71                                "MPICH Device:\t%s\n"
72                                "MPICH configure:\t%s\n"
73                                "MPICH CC:\t%s\n"
74                                "MPICH CXX:\t%s\n"
75                                "MPICH F77:\t%s\n"
76                                "MPICH FC:\t%s\n",
77                                MPII_Version_string, MPII_Version_date, MPII_Version_ABI,
78                                MPII_Version_device, MPII_Version_configure, MPII_Version_CC,
79                                MPII_Version_CXX, MPII_Version_F77, MPII_Version_FC);
80     if (strlen(MPII_Version_custom) > 0)
81         MPL_snprintf(version + printed_len, MPI_MAX_LIBRARY_VERSION_STRING - printed_len,
82                      "MPICH Custom Information:\t%s\n", MPII_Version_custom);
83 
84     *resultlen = (int) strlen(version);
85 
86     /* ... end of body of routine ... */
87 
88 #ifdef HAVE_ERROR_CHECKING
89   fn_exit:
90 #endif
91     MPIR_FUNC_TERSE_EXIT(MPID_STATE_MPI_GET_LIBRARY_VERSION);
92     return mpi_errno;
93 
94     /* --BEGIN ERROR HANDLING-- */
95 #ifdef HAVE_ERROR_CHECKING
96   fn_fail:
97     {
98         mpi_errno =
99             MPIR_Err_create_code(mpi_errno, MPIR_ERR_RECOVERABLE, __func__, __LINE__,
100                                  MPI_ERR_OTHER, "**mpi_get_library_version",
101                                  "**mpi_get_library_version %p %p", version, resultlen);
102     }
103     mpi_errno = MPIR_Err_return_comm(0, __func__, mpi_errno);
104     goto fn_exit;
105 #endif
106     /* --END ERROR HANDLING-- */
107 }
108