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edhill |
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/************************************************* -*- mode: C -*- |
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** |
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** $Header: /u/gcmpack/MITgcm/pkg/embed_files/encode_files.c,v 1.1 2006/01/11 01:38:09 edhill Exp $ |
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** $Name: $ |
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** |
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*/ |
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/* Encode one or more files for later writing */ |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <unistd.h> |
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#include <sys/stat.h> |
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#include <sys/types.h> |
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int main(int argc, char** argv) |
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{ |
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FILE * fout; |
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FILE * fin; |
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int ii; |
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int nbytes; |
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struct stat astat; |
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unsigned char c; |
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unsigned char buf[1024]; |
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/* |
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fout = fopen("t8", "w"); |
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for (ii=0; ii<256; ii++) { |
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c = (unsigned char)ii; |
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fprintf(fout,"%c",c); |
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} |
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fclose(fout); |
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*/ |
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if (argc < 3) { |
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printf("ERROR: usage is: " |
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"\"%s OUTPUT_FILE INPUT_FILE [...INPUT_FILES...]\"\n", |
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argv[0]); |
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return 1; |
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} |
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fout = fopen(argv[1], "w"); |
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if (! fout) { |
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printf("ERROR: cannot open \"%s\" for output\n", argv[1]); |
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return 1; |
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} |
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fprintf(fout,"struct embeded_file {\n char * name;\n" |
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" int ndat;\n char * dat;\n};\n"); |
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fprintf(fout,"const int n_flist = %d;\n", argc-2); |
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fprintf(fout,"struct embeded_file flist[] = {\n"); |
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for (ii=2; ii<argc; ii++) { |
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printf(" encoding: \"%s\"\n",argv[ii]); |
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if (! stat(argv[ii], &astat)) { |
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nbytes = (int)(astat.st_size); |
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} |
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else { |
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printf(" ERROR: cannot stat() \"%s\"\n",argv[ii]); |
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return 3; |
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} |
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fin = fopen(argv[ii], "r"); |
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if (!fin) { |
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printf(" ERROR: cannot fopen() \"%s\"\n",argv[ii]); |
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return 4; |
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} |
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fprintf(fout," %s{ \"%s\", %d,", ((ii==2) ? " " : ","), |
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argv[ii], nbytes); |
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while(fin) { |
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size_t ir; |
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size_t nread; |
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/* fgets(buf, 255, fin); */ |
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nread = fread(buf, sizeof(char), 200, fin); |
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if (nread < 1) |
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break; |
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fprintf(fout,"\n\""); |
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for (ir=0; ir<nread; ir++) { |
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fprintf(fout,"\\x%02x",buf[ir]); |
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/* |
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if (isalnum(buf[ir])) |
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fprintf(fout,"%c",buf[ir]); |
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else |
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fprintf(fout,"\\x%02x",buf[ir]); |
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*/ |
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} |
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fprintf(fout,"\""); |
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} |
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fclose(fin); |
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fprintf(fout," }\n"); |
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} |
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fprintf(fout," };\n"); |
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fclose(fout); |
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return 0; |
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} |
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