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Line 64... Line 64...
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  if (fd == NULL) return(0); /* "file doesn't exist" is not an error condition */
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  if (fd == NULL) return(0); /* "file doesn't exist" is not an error condition */
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  filesize = fread(filebuff, 1, sizeof(filebuff), fd);
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  filesize = fread(filebuff, 1, sizeof(filebuff), fd);
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  fclose(fd);
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  fclose(fd);
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  /* check that it's a country file - should start with 0xFF COUNTRY 0x00 */
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  /* check that it's a country file - should start with 0xFF COUNTRY 0x00 */
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  if (memcmp(filebuff, "\377COUNTRY\0", 9) != 0) return(-2);
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  if (memcmp(filebuff, "\377COUNTRY\0", 9) != 0) return(COUNTRY_ERR_INV_FORMAT);
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  /* check that it's one of my country.sys files - should contain a trailer */
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  /* check that it's one of my country.sys files - should contain a trailer */
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  if (memcmp(filebuff + filesize - 8, "LOCALCFG", 8) != 0) return(-3);
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  if (memcmp(filebuff + filesize - 8, "LOCALCFG", 8) != 0) return(COUNTRY_ERR_NOT_LOCALCFG);
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  /* read the offset of the entries index - must be at least 23 */
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  /* read the offset of the entries index - must be at least 23 */
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  functiondata = filebuff + 19;
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  functiondata = filebuff + 19;
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  firstentryoffs = *((unsigned short *)functiondata);
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  firstentryoffs = *((unsigned short *)functiondata);
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  if ((firstentryoffs < 23) || (firstentryoffs >= filesize)) return(-4);
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  if ((firstentryoffs < 23) || (firstentryoffs >= filesize)) return(-4);