mirror of https://gitee.com/openkylin/glib2.0.git
81 lines
2.7 KiB
C
81 lines
2.7 KiB
C
/* gwin32-private.c - private glib functions for gwin32.c
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*
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* Copyright 2019 Руслан Ижбулатов
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*
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* SPDX-License-Identifier: LGPL-2.1-or-later
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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/* Copy @cmdline into @debugger, and substitute @pid for `%p`
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* and @event for `%e`.
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* If @debugger_size (in wchar_ts) is overflowed, return %FALSE.
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* Also returns %FALSE when `%` is followed by anything other
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* than `e` or `p`.
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*/
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static gboolean
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_g_win32_subst_pid_and_event_w (wchar_t *local_debugger,
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gsize debugger_size,
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const wchar_t *cmdline,
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DWORD pid,
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guintptr event)
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{
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gsize i = 0, dbg_i = 0;
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/* These are integers, and they can't be longer than 20 characters
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* even when they are 64-bit and in decimal notation.
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* Use 30 just to be sure.
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*/
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#define STR_BUFFER_SIZE 30
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wchar_t pid_str[STR_BUFFER_SIZE] = {0};
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gsize pid_str_len;
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wchar_t event_str[STR_BUFFER_SIZE] = {0};
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gsize event_str_len;
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_snwprintf_s (pid_str, STR_BUFFER_SIZE, G_N_ELEMENTS (pid_str), L"%lu", pid);
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pid_str[G_N_ELEMENTS (pid_str) - 1] = 0;
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pid_str_len = wcslen (pid_str);
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_snwprintf_s (event_str, STR_BUFFER_SIZE, G_N_ELEMENTS (pid_str), L"%Iu", event);
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event_str[G_N_ELEMENTS (pid_str) - 1] = 0;
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event_str_len = wcslen (event_str);
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#undef STR_BUFFER_SIZE
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while (cmdline[i] != 0 && dbg_i < debugger_size)
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{
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if (cmdline[i] != L'%')
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local_debugger[dbg_i++] = cmdline[i++];
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else if (cmdline[i + 1] == L'p')
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{
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gsize j = 0;
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while (j < pid_str_len && dbg_i < debugger_size)
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local_debugger[dbg_i++] = pid_str[j++];
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i += 2;
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}
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else if (cmdline[i + 1] == L'e')
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{
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gsize j = 0;
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while (j < event_str_len && dbg_i < debugger_size)
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local_debugger[dbg_i++] = event_str[j++];
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i += 2;
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}
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else
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return FALSE;
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}
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if (dbg_i < debugger_size)
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local_debugger[dbg_i] = 0;
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else
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return FALSE;
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return TRUE;
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}
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