| 1 | n/a | /* Fudge unix isatty and fileno for RISCOS */ |
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| 2 | n/a | |
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| 3 | n/a | #include "unixstuff.h" |
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| 4 | n/a | #include <math.h> |
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| 5 | n/a | #include <time.h> |
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| 6 | n/a | #include "oslib/osfile.h" |
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| 7 | n/a | |
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| 8 | n/a | int fileno(FILE *f) |
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| 9 | n/a | { return (int)f; |
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| 10 | n/a | } |
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| 11 | n/a | |
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| 12 | n/a | int isatty(int fn) |
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| 13 | n/a | { return (fn==fileno(stdin)); |
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| 14 | n/a | } |
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| 15 | n/a | |
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| 16 | n/a | bits unixtime(bits ld,bits ex) |
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| 17 | n/a | { ld&=0xFF; |
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| 18 | n/a | ld-=51; |
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| 19 | n/a | if(ex<1855547904U) ld--; |
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| 20 | n/a | ex-=1855548004U; |
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| 21 | n/a | return ex/100+42949673U*ld-ld/25; |
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| 22 | n/a | } |
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| 23 | n/a | |
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| 24 | n/a | |
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| 25 | n/a | /* from RISC OS infozip, preserves filetype in ld */ |
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| 26 | n/a | int acorntime(bits *ex, bits *ld, time_t utime) |
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| 27 | n/a | { |
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| 28 | n/a | unsigned timlo; /* 3 lower bytes of acorn file-time plus carry byte */ |
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| 29 | n/a | unsigned timhi; /* 2 high bytes of acorn file-time */ |
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| 30 | n/a | |
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| 31 | n/a | timlo = ((unsigned)utime & 0x00ffffffU) * 100 + 0x00996a00U; |
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| 32 | n/a | timhi = ((unsigned)utime >> 24); |
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| 33 | n/a | timhi = timhi * 100 + 0x0000336eU + (timlo >> 24); |
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| 34 | n/a | if (timhi & 0xffff0000U) |
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| 35 | n/a | return 1; /* calculation overflow, do not change time */ |
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| 36 | n/a | |
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| 37 | n/a | /* insert the five time bytes into loadaddr and execaddr variables */ |
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| 38 | n/a | *ex = (timlo & 0x00ffffffU) | ((timhi & 0x000000ffU) << 24); |
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| 39 | n/a | *ld = (*ld & 0xffffff00U) | ((timhi >> 8) & 0x000000ffU); |
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| 40 | n/a | |
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| 41 | n/a | return 0; /* subject to future extension to signal overflow */ |
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| 42 | n/a | } |
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| 43 | n/a | |
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| 44 | n/a | |
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| 45 | n/a | int isdir(char *fn) |
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| 46 | n/a | { int ob; |
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| 47 | n/a | if(xosfile_read_stamped_no_path(fn,&ob,0,0,0,0,0)) return 0; |
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| 48 | n/a | switch (ob) |
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| 49 | n/a | { case osfile_IS_DIR:return 1; |
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| 50 | n/a | case osfile_IS_IMAGE:return 1; |
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| 51 | n/a | } |
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| 52 | n/a | return 0; |
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| 53 | n/a | } |
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| 54 | n/a | |
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| 55 | n/a | int isfile(char *fn) |
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| 56 | n/a | { int ob; |
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| 57 | n/a | if(xosfile_read_stamped_no_path(fn,&ob,0,0,0,0,0)) return 0; |
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| 58 | n/a | switch (ob) |
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| 59 | n/a | { case osfile_IS_FILE:return 1; |
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| 60 | n/a | case osfile_IS_IMAGE:return 1; |
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| 61 | n/a | } |
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| 62 | n/a | return 0; |
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| 63 | n/a | } |
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| 64 | n/a | |
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| 65 | n/a | int object_exists(char *fn) |
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| 66 | n/a | { int ob; |
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| 67 | n/a | if(xosfile_read_stamped_no_path(fn,&ob,0,0,0,0,0)) return 0; |
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| 68 | n/a | switch (ob) |
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| 69 | n/a | { case osfile_IS_FILE:return 1; |
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| 70 | n/a | case osfile_IS_DIR:return 1; |
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| 71 | n/a | case osfile_IS_IMAGE:return 1; |
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| 72 | n/a | } |
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| 73 | n/a | return 0; |
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| 74 | n/a | } |
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