| Database | Proc | Application | Created | Links |
| sybsystemprocs | sp_chklangparam | | 31 Aug 14 | Defects Dependencies |
1 2 /* Sccsid = "%Z% generic/sproc/src/%M% %I% %G%" */ 3 /* 4.8 1.1 06/14/90 sproc/src/chklangparam */ 4 /* 5 ** sp_checklangparam is called by sp_addlanguage to check the lists of 6 ** full month names, short month names, and day names. It returns a status 7 ** indicating whether any errors were found: 8 ** 0 - name list is valid 9 ** 1 - spaces were found, which are not allowed 10 ** 2 - not enough names in the list (must be exactly @numnames of them) 11 ** 3 - too many names in the list (must be exactly @numnames of them) 12 ** 4 - some name(s) are too long 13 ** 5 - some name(s) have non-aphabetic characters 14 */ 15 16 /* 17 ** Messages for "sp_chklangparam" 17373 18 ** 19 ** %1! is either "month" or "day" 20 ** 17373, "List of %1! names contains spaces, which are not allowed." 21 ** 17374, "List of %1! names has too few names." 22 ** 17375, "List of %1! names has too many names." 23 ** 17376, "List of %1! names has name(s) which are too long." 24 ** 17377, "List of %1! names contains name(s) which have '%2!' non-alphabetic characters." 25 ** %2! is the character set name 26 */ 27 28 create procedure sp_chklangparam 29 @namelist varchar(251), /* month or day name list */ 30 @msgparam varchar(30), /* name of list, for error messages */ 31 @numnames int, /* correct number of names in the list */ 32 @maxnamelen int /* maximum length of any name in list */ 33 as 34 35 declare @totallen int 36 declare @mthlen int 37 declare @mthname varchar(251) 38 declare @csid int 39 declare @csname varchar(30) 40 41 if @@trancount = 0 42 begin 43 set chained off 44 end 45 46 set transaction isolation level 1 47 48 /* Get the Character Set id (csid) */ 49 /* (Up to the version 4.2) 50 select @csid = csid from master..syscharsets 51 where id = (select value from master..sysconfigures 52 where config = 123) 53 */ 54 /* (After 4.9) */ 55 select @csid = value from master..sysconfigures 56 where config = 131 57 58 /* Get the Character Set Name (csname) */ 59 select @csname = name from master..syscharsets 60 where id = @csid and type < 2000 61 62 /* Make sure the list has no blanks. */ 63 if (charindex(" ", @namelist) != 0) 64 begin 65 /* 66 ** 17373, "List of %1! names contains spaces, which are not allowed." 67 */ 68 raiserror 17373, @msgparam 69 return 1 70 end 71 72 /* Keep track of number of *CHARACTERS* */ 73 select @totallen = char_length(@namelist) 74 /* select @totallen = datalength( @namelist ) */ 75 while (@totallen > 0) 76 begin 77 /* Move to the next name in the list. */ 78 select @namelist = right (@namelist, @totallen) 79 80 /* If this is not the last name in the list then there must 81 ** be another comma. 82 */ 83 if (@numnames > 1) 84 begin 85 select @mthlen = charindex(",", @namelist) - 1 86 if (@mthlen < 0) 87 begin 88 /* 89 ** 17374, "List of %1! names has too few names." 90 */ 91 raiserror 17374, @msgparam 92 return 2 93 end 94 end 95 96 /* This is the last name in the list, so there cannot be 97 ** another comma. This name is all remaining characters 98 ** in the list. 99 */ 100 else 101 begin 102 if (charindex(",", @namelist) != 0) 103 begin 104 /* 105 ** 17375, "List of %1! names has too many names." 106 */ 107 raiserror 17375, @msgparam 108 return 3 109 end 110 select @mthlen = @totallen 111 end 112 113 /* Check the name length. */ 114 if (@mthlen > @maxnamelen) 115 begin 116 /* 117 ** 17376, "List of %1! names has name(s) which are too long." 118 */ 119 raiserror 17376, @msgparam 120 return 4 121 end 122 123 /* 124 ** Check to see that the names contain only valid 125 ** P_ALPHA characters; not even DIGITs should be allowed. 126 ** Note that valid_name() returns a bit-mask of the lexical 127 ** values found in the string passed to it, where P_ALPHA 128 ** is 0x01. 129 ** Note too that as of CR 638115 and follow-on CR 645112, 130 ** when sp_config "enable functionality group" is 1, 131 ** valid_name 'or's in the value 0x80 (128) when the name 132 ** is valid as a quoted identifier. Thus, in the following 133 ** expression, we must 'and' this bit back out. 134 */ 135 if ((valid_name(substring(@namelist, 1, @mthlen)) & 127) != 1) 136 begin 137 /* 138 ** 17377, "List of %1! names contains name(s) which have 139 ** '%2!' non-alphabetic characters." 140 */ 141 raiserror 17377, @msgparam, @csname 142 return 5 143 end 144 145 /* Move to the next name in the list. */ 146 select @numnames = @numnames - 1 147 select @totallen = @totallen - @mthlen - 1 148 end 149 150 /* No problems were found with the name list. */ 151 return 0 152
| DEPENDENCIES |
| PROCS AND TABLES USED reads table master..sysconfigures (1)  reads table master..syscharsets (1) CALLERS called by proc sybsystemprocs..sp_addlanguage  |
