| 1 | /* |
| 2 | * python-complements.c |
| 3 | * |
| 4 | * Babeltrace Python module complements, required for Python bindings |
| 5 | * |
| 6 | * Copyright 2012 EfficiOS Inc. |
| 7 | * |
| 8 | * Author: Danny Serres <danny.serres@efficios.com> |
| 9 | * |
| 10 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 11 | * of this software and associated documentation files (the "Software"), to deal |
| 12 | * in the Software without restriction, including without limitation the rights |
| 13 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 14 | * copies of the Software, and to permit persons to whom the Software is |
| 15 | * furnished to do so, subject to the following conditions: |
| 16 | * |
| 17 | * The above copyright notice and this permission notice shall be included in |
| 18 | * all copies or substantial portions of the Software. |
| 19 | */ |
| 20 | |
| 21 | #include "python-complements.h" |
| 22 | |
| 23 | /* FILE functions |
| 24 | ---------------------------------------------------- |
| 25 | */ |
| 26 | |
| 27 | FILE *_bt_file_open(char *file_path, char *mode) |
| 28 | { |
| 29 | FILE *fp = stdout; |
| 30 | if (file_path != NULL) |
| 31 | fp = fopen(file_path, mode); |
| 32 | return fp; |
| 33 | } |
| 34 | |
| 35 | void _bt_file_close(FILE *fp) |
| 36 | { |
| 37 | if (fp != NULL) |
| 38 | fclose(fp); |
| 39 | } |
| 40 | |
| 41 | |
| 42 | /* List-related functions |
| 43 | ---------------------------------------------------- |
| 44 | */ |
| 45 | |
| 46 | /* ctf-field-list */ |
| 47 | struct definition **_bt_python_field_listcaller( |
| 48 | const struct bt_ctf_event *ctf_event, |
| 49 | const struct definition *scope) |
| 50 | { |
| 51 | struct definition **list; |
| 52 | unsigned int count; |
| 53 | int ret; |
| 54 | |
| 55 | ret = bt_ctf_get_field_list(ctf_event, scope, |
| 56 | (const struct definition * const **)&list, &count); |
| 57 | |
| 58 | if (ret < 0) /* For python to know an error occured */ |
| 59 | list = NULL; |
| 60 | else /* For python to know the end is reached */ |
| 61 | list[count] = NULL; |
| 62 | |
| 63 | return list; |
| 64 | } |
| 65 | |
| 66 | struct definition *_bt_python_field_one_from_list( |
| 67 | struct definition **list, int index) |
| 68 | { |
| 69 | return list[index]; |
| 70 | } |
| 71 | |
| 72 | /* event_decl_list */ |
| 73 | struct bt_ctf_event_decl **_bt_python_event_decl_listcaller( |
| 74 | int handle_id, struct bt_context *ctx) |
| 75 | { |
| 76 | struct bt_ctf_event_decl **list; |
| 77 | unsigned int count; |
| 78 | int ret; |
| 79 | |
| 80 | ret = bt_ctf_get_event_decl_list(handle_id, ctx, |
| 81 | (struct bt_ctf_event_decl * const **)&list, &count); |
| 82 | |
| 83 | if (ret < 0) /* For python to know an error occured */ |
| 84 | list = NULL; |
| 85 | else /* For python to know the end is reached */ |
| 86 | list[count] = NULL; |
| 87 | |
| 88 | return list; |
| 89 | } |
| 90 | |
| 91 | struct bt_ctf_event_decl *_bt_python_decl_one_from_list( |
| 92 | struct bt_ctf_event_decl **list, int index) |
| 93 | { |
| 94 | return list[index]; |
| 95 | } |
| 96 | |
| 97 | /* decl_fields */ |
| 98 | struct bt_ctf_field_decl **_by_python_field_decl_listcaller( |
| 99 | struct bt_ctf_event_decl *event_decl, |
| 100 | enum bt_ctf_scope scope) |
| 101 | { |
| 102 | struct bt_ctf_field_decl **list; |
| 103 | unsigned int count; |
| 104 | int ret; |
| 105 | |
| 106 | ret = bt_ctf_get_decl_fields(event_decl, scope, |
| 107 | (const struct bt_ctf_field_decl * const **)&list, &count); |
| 108 | |
| 109 | if (ret < 0) /* For python to know an error occured */ |
| 110 | list = NULL; |
| 111 | else /* For python to know the end is reached */ |
| 112 | list[count] = NULL; |
| 113 | |
| 114 | return list; |
| 115 | } |
| 116 | |
| 117 | struct bt_ctf_field_decl *_bt_python_field_decl_one_from_list( |
| 118 | struct bt_ctf_field_decl **list, int index) |
| 119 | { |
| 120 | return list[index]; |
| 121 | } |