* returns: * * SF_UPTODATE (0) everything matched and looks good * SF_OUTDATED (1) savefile is outdated * SF_CRITICAL_BYTE_COUNT_MISMATCH (2) critical size count mismatch * SF_DM_IL32LLP64_ON_ILP32LL64 (3) Windows x64 savefile on x86 * SF_DM_I32LP64_ON_ILP32LL64 (4) Unix 64 savefile on x86 * SF_DM_ILP32LL64_ON_I32LP64 (5) x86
| 760 | * SF_DM_MISMATCH (9) some other mismatch |
| 761 | */ |
| 762 | int |
| 763 | compare_critical_bytes(NHFILE *nhfp, int *idx_1st_mismatch, unsigned long utdflags) |
| 764 | { |
| 765 | char active_csc_count = (char) SIZE(critical_sizes), |
| 766 | file_csc_count; |
| 767 | int i, cnt = (int) active_csc_count, |
| 768 | dmmismatch = SF_DM_MISMATCH; |
| 769 | boolean quietly = (utdflags & UTD_QUIETLY) != 0; |
| 770 | |
| 771 | Sfi_char(nhfp, &file_csc_count, "count-critical_sizes", 1); |
| 772 | if (file_csc_count > cnt) { |
| 773 | if (!quietly) |
| 774 | raw_printf("critical byte counts do not match" |
| 775 | ", file:%d, critical_sizes:%d.", |
| 776 | file_csc_count, SIZE(critical_sizes)); |
| 777 | return SF_CRITICAL_BYTE_COUNT_MISMATCH; |
| 778 | } |
| 779 | for (i = 0; i < (int) file_csc_count; ++i) { |
| 780 | Sfi_uchar(nhfp, &cscbuf[i], "critical_sizes"); |
| 781 | } |
| 782 | for (i = 1; i < cnt; ++i) { |
| 783 | if (cscbuf[i] != critical_sizes[i].ucsize) { |
| 784 | const char *dm = datamodel(0), *dmfile; |
| 785 | |
| 786 | dmfile = what_datamodel_is_this(0, |
| 787 | cscbuf[1], /* short */ |
| 788 | cscbuf[2], /* int */ |
| 789 | cscbuf[3], /* long */ |
| 790 | cscbuf[4], /* long long */ |
| 791 | cscbuf[5]); /* ptr */ |
| 792 | |
| 793 | if (!strcmp(dmfile, "IL32LLP64") && !strcmp(dm, "ILP32LL64")) { |
| 794 | /* Windows x64 savefile on x86 */ |
| 795 | dmmismatch = SF_DM_IL32LLP64_ON_ILP32LL64; |
| 796 | } else if (!strcmp(dmfile, "I32LP64") |
| 797 | && !strcmp(dm, "ILP32LL64")) { |
| 798 | /* Unix 64 savefile on x86*/ |
| 799 | dmmismatch = SF_DM_I32LP64_ON_ILP32LL64; |
| 800 | } else if (!strcmp(dmfile, "ILP32LL64") |
| 801 | && !strcmp(dm, "I32LP64")) { |
| 802 | /* x86 savefile on Unix 64 */ |
| 803 | dmmismatch = SF_DM_ILP32LL64_ON_I32LP64; |
| 804 | } else if (!strcmp(dmfile, "ILP32LL64") |
| 805 | && !strcmp(dm, "IL32LLP64")) { |
| 806 | /* x86 savefile on Windows x64 */ |
| 807 | dmmismatch = SF_DM_ILP32LL64_ON_IL32LLP64; |
| 808 | } else if (!strcmp(dmfile, "I32LP64") |
| 809 | && !strcmp(dm, "IL32LLP64")) { |
| 810 | /* Unix 64 savefile on Windows x64 */ |
| 811 | dmmismatch = SF_DM_I32LP64_ON_IL32LLP64; |
| 812 | } else if (!strcmp(dmfile, "IL32LLP64") |
| 813 | && !strcmp(dm, "I32LP64")) { |
| 814 | /* Windows x64 savefile on Unix 64 */ |
| 815 | dmmismatch = SF_DM_IL32LLP64_ON_I32LP64; |
| 816 | } |
| 817 | if (idx_1st_mismatch) |
| 818 | *idx_1st_mismatch = i; |
| 819 | return dmmismatch; |
no test coverage detected