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1 | office | 1 | /** |
2 | * @file build_cmdline.c |
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3 | * @author Ambroz Bizjak <ambrop7@gmail.com> |
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4 | * |
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5 | * @section LICENSE |
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6 | * |
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7 | * Redistribution and use in source and binary forms, with or without |
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8 | * modification, are permitted provided that the following conditions are met: |
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9 | * 1. Redistributions of source code must retain the above copyright |
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10 | * notice, this list of conditions and the following disclaimer. |
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11 | * 2. Redistributions in binary form must reproduce the above copyright |
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12 | * notice, this list of conditions and the following disclaimer in the |
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13 | * documentation and/or other materials provided with the distribution. |
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14 | * 3. Neither the name of the author nor the |
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15 | * names of its contributors may be used to endorse or promote products |
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16 | * derived from this software without specific prior written permission. |
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17 | * |
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18 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
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19 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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20 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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21 | * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY |
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22 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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23 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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24 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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25 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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27 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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28 | */ |
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29 | |||
30 | #include <stdlib.h> |
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31 | |||
32 | #include <misc/debug.h> |
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33 | #include <ncd/extra/value_utils.h> |
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34 | |||
35 | #include "build_cmdline.h" |
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36 | |||
37 | int ncd_build_cmdline (NCDModuleInst *i, int log_channel, NCDValRef cmd_arg, char **out_exec, CmdLine *out_cl) |
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38 | { |
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39 | ASSERT(!NCDVal_IsInvalid(cmd_arg)) |
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40 | ASSERT(out_exec) |
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41 | ASSERT(out_cl) |
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42 | |||
43 | if (!NCDVal_IsList(cmd_arg)) { |
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44 | NCDModuleInst_Backend_Log(i, log_channel, BLOG_ERROR, "wrong type"); |
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45 | goto fail0; |
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46 | } |
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47 | |||
48 | size_t count = NCDVal_ListCount(cmd_arg); |
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49 | |||
50 | // read exec |
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51 | if (count == 0) { |
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52 | NCDModuleInst_Backend_Log(i, log_channel, BLOG_ERROR, "missing executable name"); |
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53 | goto fail0; |
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54 | } |
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55 | NCDValRef exec_arg = NCDVal_ListGet(cmd_arg, 0); |
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56 | if (!NCDVal_IsStringNoNulls(exec_arg)) { |
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57 | NCDModuleInst_Backend_Log(i, log_channel, BLOG_ERROR, "wrong type"); |
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58 | goto fail0; |
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59 | } |
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60 | char *exec = ncd_strdup(exec_arg); |
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61 | if (!exec) { |
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62 | NCDModuleInst_Backend_Log(i, log_channel, BLOG_ERROR, "ncd_strdup failed"); |
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63 | goto fail0; |
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64 | } |
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65 | |||
66 | // start cmdline |
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67 | CmdLine cl; |
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68 | if (!CmdLine_Init(&cl)) { |
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69 | NCDModuleInst_Backend_Log(i, log_channel, BLOG_ERROR, "CmdLine_Init failed"); |
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70 | goto fail1; |
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71 | } |
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72 | |||
73 | // add header |
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74 | if (!CmdLine_Append(&cl, exec)) { |
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75 | NCDModuleInst_Backend_Log(i, log_channel, BLOG_ERROR, "CmdLine_Append failed"); |
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76 | goto fail2; |
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77 | } |
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78 | |||
79 | // add additional arguments |
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80 | for (size_t j = 1; j < count; j++) { |
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81 | NCDValRef arg = NCDVal_ListGet(cmd_arg, j); |
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82 | |||
83 | if (!NCDVal_IsStringNoNulls(arg)) { |
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84 | NCDModuleInst_Backend_Log(i, log_channel, BLOG_ERROR, "wrong type"); |
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85 | goto fail2; |
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86 | } |
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87 | |||
88 | if (!CmdLine_AppendNoNullMr(&cl, NCDVal_StringMemRef(arg))) { |
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89 | NCDModuleInst_Backend_Log(i, log_channel, BLOG_ERROR, "CmdLine_AppendNoNullMr failed"); |
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90 | goto fail2; |
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91 | } |
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92 | } |
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93 | |||
94 | // finish |
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95 | if (!CmdLine_Finish(&cl)) { |
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96 | NCDModuleInst_Backend_Log(i, log_channel, BLOG_ERROR, "CmdLine_Finish failed"); |
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97 | goto fail2; |
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98 | } |
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99 | |||
100 | *out_exec = exec; |
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101 | *out_cl = cl; |
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102 | return 1; |
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103 | |||
104 | fail2: |
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105 | CmdLine_Free(&cl); |
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106 | fail1: |
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107 | free(exec); |
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108 | fail0: |
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109 | return 0; |
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110 | } |