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a81aca6e1c
* common/sh-exectool.c (struct copy_buffer): Add infrastructure for
copying between streams.
(copy_buffer_{init,shred,do_copy,flush}): New functions.
(sh_exec_tool_stream): Rework 'sh_exec_tool' to operate on streams.
(nop_free): New function.
(sh_exec_tool): Express this in terms of 'sh_exec_tool_stream'.
* common/sh-exectool.h (sh_exec_tool_stream): New prototype.
Signed-off-by: Justus Winter <justus@g10code.com>
47 lines
1.9 KiB
C
47 lines
1.9 KiB
C
/* sh-exectool.h - Utility functions to execute a helper tool
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* Copyright (C) 2015 g10 Code GmbH
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*
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* This file is part of GnuPG.
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*
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* GnuPG is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* GnuPG is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef GNUPG_COMMON_SH_EXECTOOL_H
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#define GNUPG_COMMON_SH_EXECTOOL_H
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#include <gpg-error.h>
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/* Run the program PGMNAME with the command line arguments given in
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the NULL terminates array ARGV. If INPUT_STRING is not NULL it
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will be fed to stdin of the process. stderr is logged using
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log_info and the process' stdout is returned in a newly malloced
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buffer RESULT with the length stored at RESULTLEN if not given as
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NULL. A hidden Nul is appended to the output. On error NULL is
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stored at RESULT, a diagnostic is printed, and an error code
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returned. */
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gpg_error_t sh_exec_tool (const char *pgmname, const char *argv[],
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const char *input_string,
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char **result, size_t *resultlen);
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/* Run the program PGMNAME with the command line arguments given in
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the NULL terminates array ARGV. If INPUT is not NULL it will be
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fed to stdin of the process. stderr is logged using log_info and
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the process' stdout is written to OUTPUT. On error a diagnostic is
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printed, and an error code returned. */
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gpg_error_t sh_exec_tool_stream (const char *pgmname, const char *argv[],
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estream_t input,
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estream_t output);
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#endif /* GNUPG_COMMON_SH_EXECTOOL_H */
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