gcc/libgfortran/runtime/convert_char.c

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/* Runtime conversion of strings from one character kind to another.
Copyright (C) 2008-2016 Free Software Foundation, Inc.
This file is part of the GNU Fortran 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 <stdlib.h>
#include <string.h>
extern void convert_char1_to_char4 (gfc_char4_t **, gfc_charlen_type,
const unsigned char *);
export_proto(convert_char1_to_char4);
extern void convert_char4_to_char1 (unsigned char **, gfc_charlen_type,
const gfc_char4_t *);
export_proto(convert_char4_to_char1);
void
convert_char1_to_char4 (gfc_char4_t **dst, gfc_charlen_type len,
const unsigned char *src)
{
gfc_charlen_type i, l;
l = len > 0 ? len : 0;
Introduce xmallocarray, an overflow checking variant of xmalloc. 2014-06-17 Janne Blomqvist <jb@gcc.gnu.org> * libgfortran.h (xmallocarray): New prototype. * runtime/memory.c (xmallocarray): New function. (xcalloc): Check for nonzero separately instead of multiplying. * generated/*.c: Regenerated. * intrinsics/cshift0.c (cshift0): Call xmallocarray instead of xmalloc. * intrinsics/eoshift0.c (eoshift0): Likewise. * intrinsics/eoshift2.c (eoshift2): Likewise. * intrinsics/pack_generic.c (pack_internal): Likewise. (pack_s_internal): Likewise. * intrinsics/reshape_generic.c (reshape_internal): Likewise. * intrinsics/spread_generic.c (spread_internal): Likewise. (spread_internal_scalar): Likewise. * intrinsics/string_intrinsics_inc.c (string_trim): Likewise. (string_minmax): Likewise. * intrinsics/transpose_generic.c (transpose_internal): Likewise. * intrinsics/unpack_generic.c (unpack_internal): Likewise. * io/list_read.c (nml_touch_nodes): Don't cast xmalloc return value. * io/transfer.c (st_set_nml_var): Call xmallocarray instead of xmalloc. * io/unit.c (get_internal_unit): Likewise. (filename_from_unit): Don't cast xmalloc return value. * io/write.c (nml_write_obj): Likewise, formatting. * m4/bessel.m4 (bessel_jn_r'rtype_kind`): Call xmallocarray instead of xmalloc. (besse_yn_r'rtype_kind`): Likewise. * m4/cshift1.m4 (cshift1): Likewise. * m4/eoshift1.m4 (eoshift1): Likewise. * m4/eoshift3.m4 (eoshift3): Likewise. * m4/iforeach.m4: Likewise. * m4/ifunction.m4: Likewise. * m4/ifunction_logical.m4 (name`'rtype_qual`_'atype_code): Likewise. * m4/in_pack.m4 (internal_pack_'rtype_ccode`): Likewise. * m4/matmul.m4 (matmul_'rtype_code`): Likewise. * m4/matmull.m4 (matmul_'rtype_code`): Likewise. * m4/pack.m4 (pack_'rtype_code`): Likewise. * m4/reshape.m4 (reshape_'rtype_ccode`): Likewise. * m4/shape.m4 (shape_'rtype_kind`): Likewise. * m4/spread.m4 (spread_'rtype_code`): Likewise. (spread_scalar_'rtype_code`): Likewise. * m4/transpose.m4 (transpose_'rtype_code`): Likewise. * m4/unpack.m4 (unpack0_'rtype_code`): Likewise. (unpack1_'rtype_code`): Likewise. * runtime/convert_char.c (convert_char1_to_char4): Likewise. (convert_char4_to_char1): Simplify. * runtime/environ.c (init_unformatted): Call xmallocarray instead of xmalloc. * runtime/in_pack_generic.c (internal_pack): Likewise. From-SVN: r211721
2014-06-17 05:50:34 +02:00
*dst = xmallocarray ((l + 1), sizeof (gfc_char4_t));
for (i = 0; i < l; i++)
(*dst)[i] = src[i];
(*dst)[l] = '\0';
}
void
convert_char4_to_char1 (unsigned char **dst, gfc_charlen_type len,
const gfc_char4_t *src)
{
gfc_charlen_type i, l;
l = len > 0 ? len : 0;
Introduce xmallocarray, an overflow checking variant of xmalloc. 2014-06-17 Janne Blomqvist <jb@gcc.gnu.org> * libgfortran.h (xmallocarray): New prototype. * runtime/memory.c (xmallocarray): New function. (xcalloc): Check for nonzero separately instead of multiplying. * generated/*.c: Regenerated. * intrinsics/cshift0.c (cshift0): Call xmallocarray instead of xmalloc. * intrinsics/eoshift0.c (eoshift0): Likewise. * intrinsics/eoshift2.c (eoshift2): Likewise. * intrinsics/pack_generic.c (pack_internal): Likewise. (pack_s_internal): Likewise. * intrinsics/reshape_generic.c (reshape_internal): Likewise. * intrinsics/spread_generic.c (spread_internal): Likewise. (spread_internal_scalar): Likewise. * intrinsics/string_intrinsics_inc.c (string_trim): Likewise. (string_minmax): Likewise. * intrinsics/transpose_generic.c (transpose_internal): Likewise. * intrinsics/unpack_generic.c (unpack_internal): Likewise. * io/list_read.c (nml_touch_nodes): Don't cast xmalloc return value. * io/transfer.c (st_set_nml_var): Call xmallocarray instead of xmalloc. * io/unit.c (get_internal_unit): Likewise. (filename_from_unit): Don't cast xmalloc return value. * io/write.c (nml_write_obj): Likewise, formatting. * m4/bessel.m4 (bessel_jn_r'rtype_kind`): Call xmallocarray instead of xmalloc. (besse_yn_r'rtype_kind`): Likewise. * m4/cshift1.m4 (cshift1): Likewise. * m4/eoshift1.m4 (eoshift1): Likewise. * m4/eoshift3.m4 (eoshift3): Likewise. * m4/iforeach.m4: Likewise. * m4/ifunction.m4: Likewise. * m4/ifunction_logical.m4 (name`'rtype_qual`_'atype_code): Likewise. * m4/in_pack.m4 (internal_pack_'rtype_ccode`): Likewise. * m4/matmul.m4 (matmul_'rtype_code`): Likewise. * m4/matmull.m4 (matmul_'rtype_code`): Likewise. * m4/pack.m4 (pack_'rtype_code`): Likewise. * m4/reshape.m4 (reshape_'rtype_ccode`): Likewise. * m4/shape.m4 (shape_'rtype_kind`): Likewise. * m4/spread.m4 (spread_'rtype_code`): Likewise. (spread_scalar_'rtype_code`): Likewise. * m4/transpose.m4 (transpose_'rtype_code`): Likewise. * m4/unpack.m4 (unpack0_'rtype_code`): Likewise. (unpack1_'rtype_code`): Likewise. * runtime/convert_char.c (convert_char1_to_char4): Likewise. (convert_char4_to_char1): Simplify. * runtime/environ.c (init_unformatted): Call xmallocarray instead of xmalloc. * runtime/in_pack_generic.c (internal_pack): Likewise. From-SVN: r211721
2014-06-17 05:50:34 +02:00
*dst = xmalloc (l + 1);
for (i = 0; i < l; i++)
(*dst)[i] = src[i];
(*dst)[l] = '\0';
}