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https://github.com/gophernicus/gophernicus.git
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92 lines
2.6 KiB
C
Executable File
92 lines
2.6 KiB
C
Executable File
/*
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* bin2c - Copyright (c) 2009-2018 Kim Holviala <kimholviala@fastmail.com>
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* All rights reserved.
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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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* * 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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* * 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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*
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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 COPYRIGHT HOLDERS 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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/*
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* Convert any file into a C #define
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*
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* Yes, this would have been a perl one-liner, but I didn't want
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* to include compile-time dependency for perl...
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*/
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#include <stdio.h>
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#include <unistd.h>
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int main(int argc, char *argv[])
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{
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FILE *fp;
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char *source = NULL;
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char *name = NULL;
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int first = 1;
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int zero = 0;
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int c;
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int i;
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/* Parse args */
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while ((c = getopt(argc, argv, "n:0")) != -1) {
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switch(c) {
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case 'n': name = optarg; break;
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case '0': zero = 1; break;
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}
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}
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source = argv[optind];
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if (!name) name = source;
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/* Check args */
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if (!source) {
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fprintf(stderr, "Usage: %s [-0] [-n <name>] <source>\n", argv[0]);
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return 1;
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}
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/* Try to open the source file */
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if ((fp = fopen(source, "r")) == NULL) {
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perror("Couldn't open source file");
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return 1;
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}
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/* Convert */
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printf("/* Automatically generated from %s */\n\n"
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"#define %s { \\\n", source, name);
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do {
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for (i = 0; i < 16; i++) {
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if ((c = fgetc(fp)) == EOF) {
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if (zero--) c = '\0';
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else break;
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}
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if (i == 0 && !first) printf(", \\\n");
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if (i > 0) printf(", ");
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printf("0x%02x", c);
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first = 0;
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}
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} while (c != EOF);
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printf("}\n\n");
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fclose(fp);
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return 0;
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}
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