111 lines
3.7 KiB
C
111 lines
3.7 KiB
C
/**
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* @file build_cmdline.c
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* @author Ambroz Bizjak <ambrop7@gmail.com>
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*
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* @section LICENSE
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the author nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stdlib.h>
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#include <misc/debug.h>
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#include <ncd/extra/value_utils.h>
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#include "build_cmdline.h"
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int ncd_build_cmdline (NCDModuleInst *i, int log_channel, NCDValRef cmd_arg, char **out_exec, CmdLine *out_cl)
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{
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ASSERT(!NCDVal_IsInvalid(cmd_arg))
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ASSERT(out_exec)
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ASSERT(out_cl)
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if (!NCDVal_IsList(cmd_arg)) {
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NCDModuleInst_Backend_Log(i, log_channel, BLOG_ERROR, "wrong type");
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goto fail0;
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}
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size_t count = NCDVal_ListCount(cmd_arg);
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// read exec
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if (count == 0) {
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NCDModuleInst_Backend_Log(i, log_channel, BLOG_ERROR, "missing executable name");
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goto fail0;
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}
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NCDValRef exec_arg = NCDVal_ListGet(cmd_arg, 0);
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if (!NCDVal_IsStringNoNulls(exec_arg)) {
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NCDModuleInst_Backend_Log(i, log_channel, BLOG_ERROR, "wrong type");
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goto fail0;
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}
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char *exec = ncd_strdup(exec_arg);
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if (!exec) {
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NCDModuleInst_Backend_Log(i, log_channel, BLOG_ERROR, "ncd_strdup failed");
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goto fail0;
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}
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// start cmdline
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CmdLine cl;
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if (!CmdLine_Init(&cl)) {
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NCDModuleInst_Backend_Log(i, log_channel, BLOG_ERROR, "CmdLine_Init failed");
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goto fail1;
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}
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// add header
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if (!CmdLine_Append(&cl, exec)) {
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NCDModuleInst_Backend_Log(i, log_channel, BLOG_ERROR, "CmdLine_Append failed");
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goto fail2;
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}
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// add additional arguments
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for (size_t j = 1; j < count; j++) {
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NCDValRef arg = NCDVal_ListGet(cmd_arg, j);
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if (!NCDVal_IsStringNoNulls(arg)) {
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NCDModuleInst_Backend_Log(i, log_channel, BLOG_ERROR, "wrong type");
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goto fail2;
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}
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if (!CmdLine_AppendNoNullMr(&cl, NCDVal_StringMemRef(arg))) {
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NCDModuleInst_Backend_Log(i, log_channel, BLOG_ERROR, "CmdLine_AppendNoNullMr failed");
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goto fail2;
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}
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}
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// finish
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if (!CmdLine_Finish(&cl)) {
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NCDModuleInst_Backend_Log(i, log_channel, BLOG_ERROR, "CmdLine_Finish failed");
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goto fail2;
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}
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*out_exec = exec;
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*out_cl = cl;
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return 1;
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fail2:
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CmdLine_Free(&cl);
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fail1:
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free(exec);
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fail0:
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return 0;
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}
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