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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libgfortran/] [intrinsics/] [link.c] - Rev 750
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/* Implementation of the LINK intrinsic. Copyright (C) 2005, 2007, 2009 Free Software Foundation, Inc. Contributed by François-Xavier Coudert <coudert@clipper.ens.fr> This file is part of the GNU Fortran 95 runtime library (libgfortran). Libgfortran is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. Libgfortran 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 General Public License for more details. Under Section 7 of GPL version 3, you are granted additional permissions described in the GCC Runtime Library Exception, version 3.1, as published by the Free Software Foundation. You should have received a copy of the GNU General Public License and a copy of the GCC Runtime Library Exception along with this program; see the files COPYING3 and COPYING.RUNTIME respectively. If not, see <http://www.gnu.org/licenses/>. */ #include "libgfortran.h" #include <errno.h> #include <string.h> #ifdef HAVE_UNISTD_H #include <unistd.h> #endif /* SUBROUTINE LINK(PATH1, PATH2, STATUS) CHARACTER(len=*), INTENT(IN) :: PATH1, PATH2 INTEGER, INTENT(OUT), OPTIONAL :: STATUS */ #ifdef HAVE_LINK extern void link_i4_sub (char *, char *, GFC_INTEGER_4 *, gfc_charlen_type, gfc_charlen_type); iexport_proto(link_i4_sub); void link_i4_sub (char *path1, char *path2, GFC_INTEGER_4 *status, gfc_charlen_type path1_len, gfc_charlen_type path2_len) { int val; char *str1, *str2; /* Trim trailing spaces from paths. */ while (path1_len > 0 && path1[path1_len - 1] == ' ') path1_len--; while (path2_len > 0 && path2[path2_len - 1] == ' ') path2_len--; /* Make a null terminated copy of the strings. */ str1 = gfc_alloca (path1_len + 1); memcpy (str1, path1, path1_len); str1[path1_len] = '\0'; str2 = gfc_alloca (path2_len + 1); memcpy (str2, path2, path2_len); str2[path2_len] = '\0'; val = link (str1, str2); if (status != NULL) *status = (val == 0) ? 0 : errno; } iexport(link_i4_sub); extern void link_i8_sub (char *, char *, GFC_INTEGER_8 *, gfc_charlen_type, gfc_charlen_type); iexport_proto(link_i8_sub); void link_i8_sub (char *path1, char *path2, GFC_INTEGER_8 *status, gfc_charlen_type path1_len, gfc_charlen_type path2_len) { int val; char *str1, *str2; /* Trim trailing spaces from paths. */ while (path1_len > 0 && path1[path1_len - 1] == ' ') path1_len--; while (path2_len > 0 && path2[path2_len - 1] == ' ') path2_len--; /* Make a null terminated copy of the strings. */ str1 = gfc_alloca (path1_len + 1); memcpy (str1, path1, path1_len); str1[path1_len] = '\0'; str2 = gfc_alloca (path2_len + 1); memcpy (str2, path2, path2_len); str2[path2_len] = '\0'; val = link (str1, str2); if (status != NULL) *status = (val == 0) ? 0 : errno; } iexport(link_i8_sub); extern GFC_INTEGER_4 link_i4 (char *, char *, gfc_charlen_type, gfc_charlen_type); export_proto(link_i4); GFC_INTEGER_4 link_i4 (char *path1, char *path2, gfc_charlen_type path1_len, gfc_charlen_type path2_len) { GFC_INTEGER_4 val; link_i4_sub (path1, path2, &val, path1_len, path2_len); return val; } extern GFC_INTEGER_8 link_i8 (char *, char *, gfc_charlen_type, gfc_charlen_type); export_proto(link_i8); GFC_INTEGER_8 link_i8 (char *path1, char *path2, gfc_charlen_type path1_len, gfc_charlen_type path2_len) { GFC_INTEGER_8 val; link_i8_sub (path1, path2, &val, path1_len, path2_len); return val; } #endif
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