Gavin Howard | f833399 | 2018-02-19 13:55:25 -0700 | [diff] [blame] | 1 | /* |
Gavin Howard | b5904bf | 2018-02-20 13:28:18 -0700 | [diff] [blame] | 2 | * ***************************************************************************** |
Gavin Howard | f833399 | 2018-02-19 13:55:25 -0700 | [diff] [blame] | 3 | * |
Gavin Howard | b5904bf | 2018-02-20 13:28:18 -0700 | [diff] [blame] | 4 | * Copyright 2018 Gavin D. Howard |
Gavin Howard | f833399 | 2018-02-19 13:55:25 -0700 | [diff] [blame] | 5 | * |
| 6 | * Permission to use, copy, modify, and/or distribute this software for any |
| 7 | * purpose with or without fee is hereby granted. |
| 8 | * |
| 9 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH |
| 10 | * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY |
| 11 | * AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, |
| 12 | * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM |
| 13 | * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR |
| 14 | * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| 15 | * PERFORMANCE OF THIS SOFTWARE. |
| 16 | * |
Gavin Howard | b5904bf | 2018-02-20 13:28:18 -0700 | [diff] [blame] | 17 | * ***************************************************************************** |
Gavin Howard | f833399 | 2018-02-19 13:55:25 -0700 | [diff] [blame] | 18 | * |
| 19 | * Generates a const array from a bc script. |
| 20 | * |
| 21 | */ |
| 22 | |
| 23 | #include <stdio.h> |
Gavin Howard | 207053c | 2018-02-20 11:12:43 -0700 | [diff] [blame] | 24 | #include <stdlib.h> |
| 25 | #include <string.h> |
| 26 | |
| 27 | #include <libgen.h> |
Gavin Howard | f833399 | 2018-02-19 13:55:25 -0700 | [diff] [blame] | 28 | |
Gavin Howard | 1ba6bee | 2018-03-08 11:52:45 -0700 | [diff] [blame^] | 29 | static const char *bc_gen_usage = "usage: gen bc_script output [header]\n"; |
Gavin Howard | fe2351d | 2018-02-19 14:10:15 -0700 | [diff] [blame] | 30 | |
| 31 | #define INVALID_PARAMS (1) |
Gavin Howard | 207053c | 2018-02-20 11:12:43 -0700 | [diff] [blame] | 32 | #define MALLOC_FAIL (2) |
| 33 | #define INVALID_INPUT_FILE (3) |
| 34 | #define INVALID_OUTPUT_FILE (4) |
Gavin Howard | 1ba6bee | 2018-03-08 11:52:45 -0700 | [diff] [blame^] | 35 | #define INVALID_HEADER_FILE (5) |
| 36 | #define IO_ERR (6) |
Gavin Howard | f833399 | 2018-02-19 13:55:25 -0700 | [diff] [blame] | 37 | |
Gavin Howard | 8d1f1db | 2018-02-23 11:29:41 -0700 | [diff] [blame] | 38 | int main(int argc, char *argv[]) { |
Gavin Howard | f833399 | 2018-02-19 13:55:25 -0700 | [diff] [blame] | 39 | |
Gavin Howard | 1ba6bee | 2018-03-08 11:52:45 -0700 | [diff] [blame^] | 40 | FILE *in; |
| 41 | FILE *out; |
| 42 | FILE *header; |
| 43 | char *header_name; |
| 44 | char *header_buf; |
Gavin Howard | f833399 | 2018-02-19 13:55:25 -0700 | [diff] [blame] | 45 | int c; |
| 46 | int count; |
Gavin Howard | 1ba6bee | 2018-03-08 11:52:45 -0700 | [diff] [blame^] | 47 | char *buffer; |
| 48 | size_t len, read; |
Gavin Howard | 8d1f1db | 2018-02-23 11:29:41 -0700 | [diff] [blame] | 49 | char *buf; |
| 50 | char *base; |
Gavin Howard | d571acf | 2018-02-20 17:13:07 -0700 | [diff] [blame] | 51 | int err; |
| 52 | |
| 53 | err = 0; |
Gavin Howard | f833399 | 2018-02-19 13:55:25 -0700 | [diff] [blame] | 54 | |
Gavin Howard | 1ba6bee | 2018-03-08 11:52:45 -0700 | [diff] [blame^] | 55 | if (argc < 3) { |
Gavin Howard | d8a2b50 | 2018-02-24 13:26:48 -0700 | [diff] [blame] | 56 | printf("%s", bc_gen_usage); |
Gavin Howard | fe2351d | 2018-02-19 14:10:15 -0700 | [diff] [blame] | 57 | return INVALID_PARAMS; |
Gavin Howard | f833399 | 2018-02-19 13:55:25 -0700 | [diff] [blame] | 58 | } |
| 59 | |
Gavin Howard | 207053c | 2018-02-20 11:12:43 -0700 | [diff] [blame] | 60 | buf = malloc(strlen(argv[1]) + 1); |
| 61 | |
| 62 | if (!buf) return MALLOC_FAIL; |
| 63 | |
| 64 | strcpy(buf, argv[1]); |
| 65 | |
| 66 | base = basename(buf); |
| 67 | |
Gavin Howard | f833399 | 2018-02-19 13:55:25 -0700 | [diff] [blame] | 68 | in = fopen(argv[1], "r"); |
| 69 | |
Gavin Howard | d571acf | 2018-02-20 17:13:07 -0700 | [diff] [blame] | 70 | if (!in) { |
| 71 | err = INVALID_INPUT_FILE; |
| 72 | goto in_err; |
| 73 | } |
Gavin Howard | f833399 | 2018-02-19 13:55:25 -0700 | [diff] [blame] | 74 | |
| 75 | out = fopen(argv[2], "w"); |
| 76 | |
Gavin Howard | d571acf | 2018-02-20 17:13:07 -0700 | [diff] [blame] | 77 | if (!out) { |
| 78 | err = INVALID_OUTPUT_FILE; |
| 79 | goto out_err; |
| 80 | } |
Gavin Howard | f833399 | 2018-02-19 13:55:25 -0700 | [diff] [blame] | 81 | |
Gavin Howard | 1ba6bee | 2018-03-08 11:52:45 -0700 | [diff] [blame^] | 82 | if (argc >= 4) header_name = argv[3]; |
| 83 | else header_name = "src/lib/header.c"; |
| 84 | |
| 85 | header = fopen(header_name, "r"); |
| 86 | |
| 87 | if (!header) { |
| 88 | err = INVALID_HEADER_FILE; |
| 89 | goto header_err; |
| 90 | } |
| 91 | |
| 92 | fseek(header, 0, SEEK_END); |
| 93 | len = ftell(header); |
| 94 | fseek(header, 0, SEEK_SET); |
| 95 | |
| 96 | buffer = malloc(len + 1); |
| 97 | |
| 98 | if (!buffer) { |
| 99 | err = MALLOC_FAIL; |
| 100 | goto buffer_err; |
| 101 | } |
| 102 | |
| 103 | read = fread(buffer, 1, len, header); |
| 104 | |
| 105 | if (read != len) { |
| 106 | err = IO_ERR; |
| 107 | goto header_buf_err; |
| 108 | } |
| 109 | |
| 110 | buffer[len] = '\0'; |
| 111 | |
| 112 | header_buf = malloc(len + strlen(base) + 1); |
| 113 | |
| 114 | if (!header_buf) { |
| 115 | err= MALLOC_FAIL; |
| 116 | goto header_buf_err; |
| 117 | } |
| 118 | |
| 119 | if (sprintf(header_buf, buffer, base) < 0) { |
| 120 | err = IO_ERR; |
| 121 | goto error; |
| 122 | } |
| 123 | |
Gavin Howard | f833399 | 2018-02-19 13:55:25 -0700 | [diff] [blame] | 124 | count = 0; |
| 125 | |
Gavin Howard | 1ba6bee | 2018-03-08 11:52:45 -0700 | [diff] [blame^] | 126 | if (fputs(header_buf, out) == EOF) { |
Gavin Howard | d571acf | 2018-02-20 17:13:07 -0700 | [diff] [blame] | 127 | err = IO_ERR; |
| 128 | goto error; |
| 129 | } |
Gavin Howard | 207053c | 2018-02-20 11:12:43 -0700 | [diff] [blame] | 130 | |
Gavin Howard | 8d1f1db | 2018-02-23 11:29:41 -0700 | [diff] [blame] | 131 | if (fprintf(out, "const char *bc_lib_name = \"%s\";\n\n", base) < 0) { |
Gavin Howard | d571acf | 2018-02-20 17:13:07 -0700 | [diff] [blame] | 132 | err = IO_ERR; |
| 133 | goto error; |
| 134 | } |
Gavin Howard | fe2351d | 2018-02-19 14:10:15 -0700 | [diff] [blame] | 135 | |
Gavin Howard | d571acf | 2018-02-20 17:13:07 -0700 | [diff] [blame] | 136 | if (fprintf(out, "const unsigned char bc_lib[] = {\n") < 0) { |
| 137 | err = IO_ERR; |
| 138 | goto error; |
| 139 | } |
Gavin Howard | f833399 | 2018-02-19 13:55:25 -0700 | [diff] [blame] | 140 | |
| 141 | while ((c = fgetc(in)) >= 0) { |
| 142 | |
Gavin Howard | fe2351d | 2018-02-19 14:10:15 -0700 | [diff] [blame] | 143 | int val; |
Gavin Howard | f833399 | 2018-02-19 13:55:25 -0700 | [diff] [blame] | 144 | |
Gavin Howard | fe2351d | 2018-02-19 14:10:15 -0700 | [diff] [blame] | 145 | if (!count) { |
Gavin Howard | d571acf | 2018-02-20 17:13:07 -0700 | [diff] [blame] | 146 | if (fprintf(out, " ") < 0) { |
| 147 | err = IO_ERR; |
| 148 | goto error; |
| 149 | } |
Gavin Howard | fe2351d | 2018-02-19 14:10:15 -0700 | [diff] [blame] | 150 | } |
| 151 | |
| 152 | val = fprintf(out, "%d,", c); |
| 153 | |
Gavin Howard | d571acf | 2018-02-20 17:13:07 -0700 | [diff] [blame] | 154 | if (val < 0) { |
| 155 | err = IO_ERR; |
| 156 | goto error; |
| 157 | } |
Gavin Howard | fe2351d | 2018-02-19 14:10:15 -0700 | [diff] [blame] | 158 | |
| 159 | count += val; |
Gavin Howard | f833399 | 2018-02-19 13:55:25 -0700 | [diff] [blame] | 160 | |
| 161 | if (count > 72) { |
Gavin Howard | d571acf | 2018-02-20 17:13:07 -0700 | [diff] [blame] | 162 | |
Gavin Howard | f833399 | 2018-02-19 13:55:25 -0700 | [diff] [blame] | 163 | count = 0; |
Gavin Howard | d571acf | 2018-02-20 17:13:07 -0700 | [diff] [blame] | 164 | |
| 165 | if (fputc('\n', out) == EOF) { |
| 166 | err = IO_ERR; |
| 167 | goto error; |
| 168 | } |
Gavin Howard | f833399 | 2018-02-19 13:55:25 -0700 | [diff] [blame] | 169 | } |
| 170 | } |
| 171 | |
Gavin Howard | 8bdbb1f | 2018-02-20 16:17:16 -0700 | [diff] [blame] | 172 | if (!count) { |
Gavin Howard | d571acf | 2018-02-20 17:13:07 -0700 | [diff] [blame] | 173 | if (fputc('\n', out) == EOF) { |
| 174 | err = IO_ERR; |
| 175 | goto error; |
| 176 | } |
Gavin Howard | fe2351d | 2018-02-19 14:10:15 -0700 | [diff] [blame] | 177 | } |
Gavin Howard | f833399 | 2018-02-19 13:55:25 -0700 | [diff] [blame] | 178 | |
Gavin Howard | d571acf | 2018-02-20 17:13:07 -0700 | [diff] [blame] | 179 | if (fprintf(out, "0\n};\n") < 0) { |
| 180 | err = IO_ERR; |
| 181 | goto error; |
| 182 | } |
Gavin Howard | f833399 | 2018-02-19 13:55:25 -0700 | [diff] [blame] | 183 | |
Gavin Howard | d571acf | 2018-02-20 17:13:07 -0700 | [diff] [blame] | 184 | error: |
| 185 | |
Gavin Howard | 1ba6bee | 2018-03-08 11:52:45 -0700 | [diff] [blame^] | 186 | free(header_buf); |
| 187 | |
| 188 | header_buf_err: |
| 189 | |
| 190 | free(buffer); |
| 191 | |
| 192 | buffer_err: |
| 193 | |
| 194 | fclose(header); |
| 195 | |
| 196 | header_err: |
| 197 | |
Gavin Howard | f833399 | 2018-02-19 13:55:25 -0700 | [diff] [blame] | 198 | fclose(out); |
| 199 | |
Gavin Howard | d571acf | 2018-02-20 17:13:07 -0700 | [diff] [blame] | 200 | out_err: |
| 201 | |
| 202 | fclose(in); |
| 203 | |
| 204 | in_err: |
| 205 | |
| 206 | free(buf); |
| 207 | |
| 208 | return err; |
Gavin Howard | f833399 | 2018-02-19 13:55:25 -0700 | [diff] [blame] | 209 | } |