1BEGIN { 2char_shift=64 3## "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_"; 4c2n["A"]=1 5c2n["B"]=2 6c2n["C"]=3 7c2n["D"]=4 8c2n["E"]=5 9c2n["F"]=6 10c2n["G"]=7 11c2n["H"]=8 12c2n["I"]=9 13c2n["J"]=10 14c2n["K"]=11 15c2n["L"]=12 16c2n["M"]=13 17c2n["N"]=14 18c2n["O"]=15 19c2n["P"]=16 20c2n["Q"]=17 21c2n["R"]=18 22c2n["S"]=19 23c2n["T"]=20 24c2n["U"]=21 25c2n["V"]=22 26c2n["W"]=23 27c2n["X"]=24 28c2n["Y"]=25 29c2n["Z"]=26 30c2n["a"]=27 31c2n["b"]=28 32c2n["c"]=29 33c2n["d"]=30 34c2n["e"]=31 35c2n["f"]=32 36c2n["g"]=33 37c2n["h"]=34 38c2n["i"]=35 39c2n["j"]=36 40c2n["k"]=37 41c2n["l"]=38 42c2n["m"]=39 43c2n["n"]=40 44c2n["o"]=41 45c2n["p"]=42 46c2n["q"]=43 47c2n["r"]=44 48c2n["s"]=45 49c2n["t"]=46 50c2n["u"]=47 51c2n["v"]=48 52c2n["w"]=49 53c2n["x"]=50 54c2n["y"]=51 55c2n["z"]=52 56c2n["0"]=53 57c2n["1"]=54 58c2n["2"]=55 59c2n["3"]=56 60c2n["4"]=57 61c2n["5"]=58 62c2n["6"]=59 63c2n["7"]=60 64c2n["8"]=61 65c2n["9"]=62 66c2n["_"]=63 67} 68/^#/ { next } 69/^[ \t]*(error_table|et)[ \t]+[a-zA-Z][a-zA-Z0-9_]+/ { 70 table_number = 0 71 table_name = $2 72 mod_base = 1000000 73 for(i=1; i<=length(table_name); i++) { 74 table_number=(table_number*char_shift)+c2n[substr(table_name,i,1)] 75 } 76 # We start playing *_high, *low games here because the some 77 # awk programs do not have the necessary precision (sigh) 78 tab_base_low = table_number % mod_base 79 tab_base_high = int(table_number / mod_base) 80 tab_base_sign = 1; 81 82 # figure out: table_number_base=table_number*256 83 tab_base_low = tab_base_low * 256 84 tab_base_high = (tab_base_high * 256) + int(tab_base_low / mod_base) 85 tab_base_low = tab_base_low % mod_base 86 87 if (table_number > 128*256*256) { 88 # figure out: table_number_base -= 256*256*256*256 89 # sub_high, sub_low is 256*256*256*256 90 sub_low = 256*256*256 % mod_base 91 sub_high = int(256*256*256 / mod_base) 92 93 sub_low = sub_low * 256 94 sub_high = (sub_high * 256) + int(sub_low / mod_base) 95 sub_low = sub_low % mod_base 96 97 tab_base_low = sub_low - tab_base_low; 98 tab_base_high = sub_high - tab_base_high; 99 tab_base_sign = -1; 100 if (tab_base_low < 0) { 101 tab_base_low = tab_base_low + mod_base 102 tab_base_high-- 103 } 104 } 105 curr_low = tab_base_low 106 curr_high = tab_base_high 107 curr_sign = tab_base_sign 108 print "/*" > outfile 109 print " * " outfile ":" > outfile 110 print " * This file is automatically generated; please do not edit it." > outfile 111 print " */" > outfile 112 print "" > outfile 113 print "#include <com_err.h>" > outfile 114 print "" > outfile 115 table_item_count = 0 116} 117 118/^[ \t]*(error_code|ec)[ \t]+[A-Z_0-9]+,/ { 119 tag=substr($2,1,length($2)-1) 120 if (curr_high == 0) { 121 printf "#define %-40s (%dL)\n", tag, curr_sign*curr_low > outfile 122 } else { 123 printf "#define %-40s (%d%06dL)\n", tag, curr_high*curr_sign, curr_low > outfile 124 } 125 curr_low += curr_sign; 126 if (curr_low >= mod_base) { 127 curr_low -= mod_base; 128 curr_high++ 129 } 130 if (curr_low < 0) { 131 cur_low += mod_base 132 cur_high-- 133 } 134} 135 136END { 137 if (table_item_count > 256) { 138 print "Error table too large!" | "cat 1>&2" 139 exit 1 140 } 141 if (tab_base_high == 0) { 142 base = sprintf("%dL", tab_base_sign * tab_base_low) 143 } else { 144 base = sprintf("%d%06dL", tab_base_sign * tab_base_high, tab_base_low) 145 } 146 print "#define ERROR_TABLE_BASE_" table_name " (" base ")" > outfile 147 print "" > outfile 148 print "extern const struct error_table et_" table_name "_error_table;" > outfile 149 print "" > outfile 150 print "#if !defined(_WIN32)" > outfile 151 print "/* for compatibility with older versions... */" > outfile 152 print "extern void initialize_" table_name "_error_table (void) /*@modifies internalState@*/;" > outfile 153 print "#else" > outfile 154 print "#define initialize_" table_name "_error_table()" > outfile 155 print "#endif" > outfile 156 print "" > outfile 157 print "#if !defined(_WIN32)" > outfile 158 print "#define init_" table_name "_err_tbl initialize_" table_name "_error_table" > outfile 159 print "#define " table_name "_err_base ERROR_TABLE_BASE_" table_name > outfile 160 print "#endif" > outfile 161} 162 163