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author | William Joye <wjoye@cfa.harvard.edu> | 2019-05-10 18:53:10 (GMT) |
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committer | William Joye <wjoye@cfa.harvard.edu> | 2019-05-10 18:53:10 (GMT) |
commit | a213dadabce2b2e02eca8376765fa425f01792f5 (patch) | |
tree | 9a21116c977447511fed092e80415ae664a92945 /ast/c2f77.c | |
parent | 9ef925b353e71b6b8abd23b59ca1adef488e3a3b (diff) | |
download | blt-a213dadabce2b2e02eca8376765fa425f01792f5.zip blt-a213dadabce2b2e02eca8376765fa425f01792f5.tar.gz blt-a213dadabce2b2e02eca8376765fa425f01792f5.tar.bz2 |
upgrade ast 8.7.1
Diffstat (limited to 'ast/c2f77.c')
-rw-r--r-- | ast/c2f77.c | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/ast/c2f77.c b/ast/c2f77.c new file mode 100644 index 0000000..1801a55 --- /dev/null +++ b/ast/c2f77.c @@ -0,0 +1,125 @@ +/* +* Name: +* c2f77.c + +* Purpose: +* Implement the interface between the C and FORTRAN 77 languages. + +* Description: +* This file implements language-specific functions which support +* the FORTRAN 77 interface to the AST library. +* +* Note that this module is not a class implementation, although it +* resembles one. + +* Notes: +* - Some of the functions in this module are potentially platform +* dependent and may need to be re-implemented when porting the AST +* library to new platforms. + +* Copyright: +* Copyright (C) 1997-2006 Council for the Central Laboratory of the +* Research Councils + +* Licence: +* This program is free software: you can redistribute it and/or +* modify it under the terms of the GNU Lesser General Public +* License as published by the Free Software Foundation, either +* version 3 of the License, or (at your option) any later +* version. +* +* This program is distributed in the hope that it will be useful, +* but WITHOUT ANY WARRANTY; without even the implied warranty of +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +* GNU Lesser General Public License for more details. +* +* You should have received a copy of the GNU Lesser General +* License along with this program. If not, see +* <http://www.gnu.org/licenses/>. + +* Authors: +* DSB: D.S. Berry (Starlink) +* RFWS: R.F. Warren-Smith (Starlink) + +* History: +* 15-NOV-1996 (RFWS): +* Original version (based on work by DSB and on code from the +* Starlink CNF library). +*/ + +/* Define the astCLASS macro (even although this is not a class + implementation) to obtain access to protected interfaces. */ +#define astCLASS + +/* Include files. */ +/* ============== */ +/* Interface definitions. */ +/* ---------------------- */ +#include "error.h" /* Error reporting facilities */ +#include "c2f77.h" /* Interface to this module */ + +/* Function implementations. */ +/* ========================= */ +void astStringExport_( const char *source_c, char *dest_f, int dest_len ) { +/* +*+ +* Name: +* astStringExport + +* Purpose: +* Export a C string to a FORTRAN string. + +* Type: +* Protected function. + +* Synopsis: +* #include "c2f77.h" +* void astStringExport( const char *source_c, char *dest_f, int dest_len ) + +* Description: +* This function creates a FORTRAN string from a C string, storing +* it in the supplied memory. If the C string is shorter than the +* space allocated for the FORTRAN string, then it is padded with +* blanks. If the C string is longer than the space allocated for +* the FORTRAN string, then the string is truncated. + +* Parameters: +* source_c +* A pointer to the input C string. +* dest_f +* A pointer to the output FORTRAN string. +* dest_len +* The length of the output FORTRAN string. + +* Notes: +* - This function is potentially platform-specific. For example, +* if FORTRAN strings were passed by descriptor, then the +* descriptor address would be passed as "dest_f" and this must +* then be used to locate the actual FORTRAN character data. +* - This function is described as protected but is in fact +* available through the public interface so that it may be used in +* constructing the FORTRAN 77 public interface. +* - This is the UNIX version of this function. +*- +*/ + +/* Local Variables:*/ + int i; /* Loop counter for characters */ + int *status; /* Pointer to inherited status value */ + +/* Get a pointer to the inherited status value. */ + status = astGetStatusPtr; + +/* Check the global error status. */ + if ( !astOK ) return; + +/* Copy the characters of the input C string to the output FORTRAN + string, taking care not to go beyond the end of the FORTRAN + string.*/ + for ( i = 0; source_c[ i ] && ( i < dest_len ); i++ ) { + dest_f[ i ] = source_c[ i ]; + } + +/* Fill the rest of the output FORTRAN string with blanks. */ + for ( ; i < dest_len; i++ ) dest_f[ i ] = ' '; +} |