1fa24a09c7
This is based on Voxware 3.5, and corresponds to Amancio's `guspnp21'. Bug reports to Amancio, please!
98 lines
1.8 KiB
C
98 lines
1.8 KiB
C
/*
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* This file is a part of configure.c
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*
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* hex2hex reads an input file in Intel HEX format and produces
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* an (unsigned char) array which contains the bytes and writes it to the
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* output file using C syntax
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*/
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#define MAX_SIZE (256*1024)
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#define ABANDON(why) { \
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fprintf(stderr, "%s: " why "\n", source); \
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fclose(inf);fclose(outf);return 0; \
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}
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int hex2hex(char *source, char *target, char *varline)
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{
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FILE *inf, *outf;
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int i,l, c;
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unsigned char buf[MAX_SIZE];
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if ((inf=fopen(source, "r"))==NULL)
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{
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perror(source);
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return 0;
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}
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if ((outf=fopen(target, "w"))==NULL)
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{
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perror(target);
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fclose(inf);
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return 0;
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}
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l=0;
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while ((c=getc(inf))!=EOF)
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{
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if (c == ':') /* Sync with beginning of line */
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{
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int n, check;
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unsigned char sum;
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int addr;
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int linetype;
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if (fscanf(inf, "%02x", &n) != 1)
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ABANDON("File format error");
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sum = n;
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if (fscanf(inf, "%04x", &addr) != 1)
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ABANDON("File format error");
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sum += addr/256;
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sum += addr%256;
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if (fscanf(inf, "%02x", &linetype) != 1)
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ABANDON("File format error");
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sum += linetype;
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if (linetype != 0)
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continue;
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for (i=0;i<n;i++)
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{
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if (fscanf(inf, "%02x", &c) != 1)
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ABANDON("File format error");
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if (addr >= MAX_SIZE)
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ABANDON("File too large");
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buf[addr++] = c;
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if (addr > l)
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l = addr;
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sum += c;
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}
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if (fscanf(inf, "%02x", &check) != 1)
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ABANDON("File format error");
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sum = ~sum + 1;
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if (check != sum)
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ABANDON("Line checksum error");
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}
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}
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fprintf(outf, "/*\n *\t Computer generated file. Do not edit.\n */\n");
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fprintf(outf, "static unsigned char %s[] = {\n", varline);
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for (i=0;i<l;i++)
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{
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if (i) fprintf(outf, ",");
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if (i && !(i % 16)) fprintf(outf, "\n");
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fprintf(outf, "0x%02x", buf[i]);
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}
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fprintf(outf, "\n};\n\n");
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fclose(inf);
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fclose(outf);
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return 1;
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}
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