From 1bc5aee63eb72b341f506ad058502cd0361f0d10 Mon Sep 17 00:00:00 2001 From: Ben Cheng Date: Tue, 25 Mar 2014 22:37:19 -0700 Subject: Initial checkin of GCC 4.9.0 from trunk (r208799). Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba --- gcc-4.9/libgfortran/intrinsics/link.c | 131 ++++++++++++++++++++++++++++++++++ 1 file changed, 131 insertions(+) create mode 100644 gcc-4.9/libgfortran/intrinsics/link.c (limited to 'gcc-4.9/libgfortran/intrinsics/link.c') diff --git a/gcc-4.9/libgfortran/intrinsics/link.c b/gcc-4.9/libgfortran/intrinsics/link.c new file mode 100644 index 000000000..2018c628a --- /dev/null +++ b/gcc-4.9/libgfortran/intrinsics/link.c @@ -0,0 +1,131 @@ +/* Implementation of the LINK intrinsic. + Copyright (C) 2005-2014 Free Software Foundation, Inc. + Contributed by François-Xavier Coudert + +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 +. */ + +#include "libgfortran.h" + +#include +#include + +#ifdef HAVE_UNISTD_H +#include +#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 -- cgit v1.2.3