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|00001bc0| 61 6e 64 6c 65 72 2e 20 | 54 68 69 73 20 70 75 73 |andler. |This pus|
|00001bd0| 68 65 73 20 79 6f 75 72 | 20 68 61 6e 64 6c 65 72 |hes your| handler|
|00001be0| 20 6f 6e 74 6f 0d 20 20 | 20 20 20 20 20 20 61 20 | onto.  |      a |
|00001bf0| 73 74 61 63 6b 20 6f 66 | 20 65 78 63 65 70 74 69 |stack of| excepti|
|00001c00| 6f 6e 20 68 61 6e 64 6c | 65 72 73 2e 20 2a 2f 0d |on handl|ers. */.|
|00001c10| 0d 65 78 74 65 72 6e 20 | 70 61 73 63 61 6c 20 76 |.extern |pascal v|
|00001c20| 6f 69 64 20 45 61 63 68 | 46 61 69 6c 75 72 65 48 |oid Each|FailureH|
|00001c30| 61 6e 64 6c 65 72 44 6f | 28 70 61 73 63 61 6c 20 |andlerDo|(pascal |
|00001c40| 76 6f 69 64 20 28 2a 44 | 6f 54 6f 48 61 6e 64 6c |void (*D|oToHandl|
|00001c50| 65 72 29 28 46 61 69 6c | 49 6e 66 6f 50 74 72 20 |er)(Fail|InfoPtr |
|00001c60| 66 69 50 74 72 2c 20 76 | 6f 69 64 20 2a 0d 20 20 |fiPtr, v|oid *.  |
|00001c70| 20 44 6f 54 6f 48 61 6e | 64 6c 65 72 5f 53 74 61 | DoToHan|dler_Sta|
|00001c80| 74 69 63 4c 69 6e 6b 29 | 2c 20 76 6f 69 64 20 2a |ticLink)|, void *|
|00001c90| 44 6f 54 6f 48 61 6e 64 | 6c 65 72 5f 53 74 61 74 |DoToHand|ler_Stat|
|00001ca0| 69 63 4c 69 6e 6b 29 3b | 0d 09 09 2f 2a 20 43 61 |icLink);|.../* Ca|
|00001cb0| 6c 6c 73 20 44 6f 54 6f | 48 61 6e 64 6c 65 72 20 |lls DoTo|Handler |
|00001cc0| 66 6f 72 20 65 61 63 68 | 20 66 61 69 6c 75 72 65 |for each| failure|
|00001cd0| 20 68 61 6e 64 6c 65 72 | 20 69 6e 20 74 68 65 20 | handler| in the |
|00001ce0| 73 74 61 63 6b 20 66 72 | 6f 6d 20 67 54 6f 70 48 |stack fr|om gTopH|
|00001cf0| 61 6e 64 6c 65 72 0d 20 | 20 20 20 20 20 20 20 74 |andler. |       t|
|00001d00| 6f 20 74 68 65 20 6f 75 | 74 65 72 6d 6f 73 74 20 |o the ou|termost |
|00001d10| 68 61 6e 64 6c 65 72 2e | 20 2a 2f 0d 0d 65 78 74 |handler.| */..ext|
|00001d20| 65 72 6e 20 70 61 73 63 | 61 6c 20 76 6f 69 64 20 |ern pasc|al void |
|00001d30| 46 61 69 6c 75 72 65 28 | 73 68 6f 72 74 20 65 72 |Failure(|short er|
|00001d40| 72 6f 72 2c 20 6c 6f 6e | 67 20 6d 65 73 73 61 67 |ror, lon|g messag|
|00001d50| 65 29 3b 0d 09 09 2f 2a | 20 43 61 6c 6c 20 74 68 |e);.../*| Call th|
|00001d60| 69 73 20 74 6f 20 73 69 | 67 6e 61 6c 20 61 20 66 |is to si|gnal a f|
|00001d70| 61 69 6c 75 72 65 2e 20 | 20 43 6f 6e 74 72 6f 6c |ailure. | Control|
|00001d80| 20 77 69 6c 6c 20 62 72 | 61 6e 63 68 20 74 6f 20 | will br|anch to |
|00001d90| 74 68 65 20 6d 6f 73 74 | 20 72 65 63 65 6e 74 0d |the most| recent.|
|00001da0| 20 20 20 20 20 20 20 20 | 65 78 63 65 70 74 69 6f |        |exceptio|
|00001db0| 6e 20 68 61 6e 64 6c 65 | 72 2c 20 77 68 69 63 68 |n handle|r, which|
|00001dc0| 20 77 69 6c 6c 20 62 65 | 20 70 6f 70 70 65 64 20 | will be| popped |
|00001dd0| 6f 66 66 20 74 68 65 20 | 68 61 6e 64 6c 65 72 20 |off the |handler |
|00001de0| 73 74 61 63 6b 2e 20 2a | 2f 0d 0d 65 78 74 65 72 |stack. *|/..exter|
|00001df0| 6e 20 70 61 73 63 61 6c | 20 76 6f 69 64 20 46 61 |n pascal| void Fa|
|00001e00| 69 6c 4d 65 6d 45 72 72 | 6f 72 28 76 6f 69 64 29 |ilMemErr|or(void)|
|00001e10| 3b 0d 09 09 2f 2a 20 49 | 46 20 4d 65 6d 45 72 72 |;.../* I|F MemErr|
|00001e20| 6f 72 20 3c 3e 20 6e 6f | 45 72 72 20 54 48 45 4e |or <> no|Err THEN|
|00001e30| 20 46 61 69 6c 75 72 65 | 28 4d 65 6d 45 72 72 6f | Failure|(MemErro|
|00001e40| 72 2c 20 30 29 3b 20 49 | 66 20 79 6f 75 20 61 72 |r, 0); I|f you ar|
|00001e50| 65 20 75 73 69 6e 67 0d | 20 20 20 20 20 20 20 20 |e using.|        |
|00001e60| 61 73 73 65 6d 62 6c 65 | 72 2c 20 74 68 65 6e 20 |assemble|r, then |
|00001e70| 79 6f 75 20 73 68 6f 75 | 6c 64 20 6a 75 73 74 20 |you shou|ld just |
|00001e80| 74 65 73 74 20 74 68 65 | 20 72 65 74 75 72 6e 20 |test the| return |
|00001e90| 63 6f 64 65 20 66 72 6f | 6d 20 74 68 65 20 4d 65 |code fro|m the Me|
|00001ea0| 6d 6f 72 79 0d 20 20 20 | 20 20 20 20 20 4d 61 6e |mory.   |     Man|
|00001eb0| 61 67 65 72 20 69 6e 20 | 44 4f 20 62 79 20 63 61 |ager in |DO by ca|
|00001ec0| 6c 6c 69 6e 67 20 46 61 | 69 6c 4f 53 45 72 72 2e |lling Fa|ilOSErr.|
|00001ed0| 20 28 53 65 65 20 74 68 | 65 20 64 69 73 63 75 73 | (See th|e discus|
|00001ee0| 73 69 6f 6e 20 6f 66 20 | 4d 65 6d 45 72 72 6f 72 |sion of |MemError|
|00001ef0| 20 69 6e 0d 20 20 20 20 | 20 20 20 20 49 6e 73 69 | in.    |    Insi|
|00001f00| 64 65 20 4d 61 63 69 6e | 74 6f 73 68 2e 29 20 2a |de Macin|tosh.) *|
|00001f10| 2f 0d 0d 65 78 74 65 72 | 6e 20 70 61 73 63 61 6c |/..exter|n pascal|
|00001f20| 20 76 6f 69 64 20 46 61 | 69 6c 52 65 73 45 72 72 | void Fa|ilResErr|
|00001f30| 6f 72 28 76 6f 69 64 29 | 3b 0d 09 09 2f 2a 20 49 |or(void)|;.../* I|
|00001f40| 46 20 52 65 73 45 72 72 | 6f 72 20 3c 3e 20 6e 6f |F ResErr|or <> no|
|00001f50| 45 72 72 20 54 48 45 4e | 20 46 61 69 6c 75 72 65 |Err THEN| Failure|
|00001f60| 28 52 65 73 45 72 72 6f | 72 2c 20 30 29 3b 20 28 |(ResErro|r, 0); (|
|00001f70| 53 65 65 20 49 6e 73 69 | 64 65 20 4d 61 63 69 6e |See Insi|de Macin|
|00001f80| 74 6f 73 68 2e 29 20 2a | 2f 0d 0d 65 78 74 65 72 |tosh.) *|/..exter|
|00001f90| 6e 20 70 61 73 63 61 6c | 20 76 6f 69 64 20 46 61 |n pascal| void Fa|
|00001fa0| 69 6c 4e 65 77 4d 65 73 | 73 61 67 65 28 73 68 6f |ilNewMes|sage(sho|
|00001fb0| 72 74 20 65 72 72 6f 72 | 2c 20 6c 6f 6e 67 20 6f |rt error|, long o|
|00001fc0| 6c 64 4d 65 73 73 61 67 | 65 2c 20 6c 6f 6e 67 20 |ldMessag|e, long |
|00001fd0| 6e 65 77 4d 65 73 73 61 | 67 65 29 3b 0d 09 09 2f |newMessa|ge);.../|
|00001fe0| 2a 20 54 68 69 73 20 64 | 6f 65 73 3a 0d 20 20 20 |* This d|oes:.   |
|00001ff0| 20 20 20 20 20 49 46 20 | 6f 6c 64 4d 65 73 73 61 |     IF |oldMessa|
|00002000| 67 65 20 3d 20 30 20 54 | 48 45 4e 0d 20 20 20 20 |ge = 0 T|HEN.    |
|00002010| 20 20 20 20 20 20 20 20 | 46 61 69 6c 75 72 65 28 |        |Failure(|
|00002020| 65 72 72 6f 72 2c 20 6e | 65 77 4d 65 73 73 61 67 |error, n|ewMessag|
|00002030| 65 29 0d 20 20 20 20 20 | 20 20 20 45 4c 53 45 0d |e).     |   ELSE.|
|00002040| 20 20 20 20 20 20 20 20 | 20 20 20 20 46 61 69 6c |        |    Fail|
|00002050| 75 72 65 28 65 72 72 6f | 72 2c 20 6f 6c 64 4d 65 |ure(erro|r, oldMe|
|00002060| 73 73 61 67 65 29 3b 0d | 20 20 20 20 20 20 20 20 |ssage);.|        |
|00002070| 2a 2f 0d 0d 65 78 74 65 | 72 6e 20 70 61 73 63 61 |*/..exte|rn pasca|
|00002080| 6c 20 76 6f 69 64 20 46 | 61 69 6c 4e 49 4c 28 76 |l void F|ailNIL(v|
|00002090| 6f 69 64 20 2a 70 29 3b | 0d 09 09 2f 2a 20 43 61 |oid *p);|.../* Ca|
|000020a0| 6c 6c 20 74 68 69 73 20 | 77 69 74 68 20 61 20 70 |ll this |with a p|
|000020b0| 6f 69 6e 74 65 72 2f 68 | 61 6e 64 6c 65 3b 20 74 |ointer/h|andle; t|
|000020c0| 68 69 73 20 73 69 67 6e | 61 6c 73 20 46 61 69 6c |his sign|als Fail|
|000020d0| 75 72 65 28 6d 65 6d 46 | 75 6c 6c 45 72 72 2c 20 |ure(memF|ullErr, |
|000020e0| 30 29 20 69 66 20 70 20 | 69 73 20 4e 49 4c 2e 20 |0) if p |is NIL. |
|000020f0| 2a 2f 0d 0d 65 78 74 65 | 72 6e 20 70 61 73 63 61 |*/..exte|rn pasca|
|00002100| 6c 20 76 6f 69 64 20 46 | 61 69 6c 4e 49 4c 52 65 |l void F|ailNILRe|
|00002110| 73 6f 75 72 63 65 28 76 | 6f 69 64 20 2a 72 29 3b |source(v|oid *r);|
|00002120| 0d 09 09 2f 2a 20 43 61 | 6c 6c 20 74 68 69 73 20 |.../* Ca|ll this |
|00002130| 77 69 74 68 20 61 20 72 | 65 73 6f 75 72 63 65 20 |with a r|esource |
|00002140| 68 61 6e 64 6c 65 3b 20 | 74 68 69 73 20 73 69 67 |handle; |this sig|
|00002150| 6e 61 6c 73 20 46 61 69 | 6c 75 72 65 20 69 66 20 |nals Fai|lure if |
|00002160| 74 68 65 20 68 61 6e 64 | 6c 65 20 69 73 20 6e 69 |the hand|le is ni|
|00002170| 6c 2e 20 54 68 65 20 65 | 72 72 6f 72 20 69 73 0d |l. The e|rror is.|
|00002180| 20 20 20 20 20 20 20 20 | 65 69 74 68 65 72 20 74 |        |either t|
|00002190| 68 61 74 20 72 65 74 75 | 72 6e 65 64 20 62 79 20 |hat retu|rned by |
|000021a0| 52 65 73 45 72 72 6f 72 | 2c 20 6f 72 20 72 65 73 |ResError|, or res|
|000021b0| 4e 6f 74 46 6f 75 6e 64 | 20 69 66 20 52 65 73 45 |NotFound| if ResE|
|000021c0| 72 72 6f 72 20 72 65 74 | 75 72 6e 73 20 6e 6f 20 |rror ret|urns no |
|000021d0| 65 72 72 6f 72 2e 20 2a | 2f 0d 0d 65 78 74 65 72 |error. *|/..exter|
|000021e0| 6e 20 70 61 73 63 61 6c | 20 76 6f 69 64 20 46 61 |n pascal| void Fa|
|000021f0| 69 6c 4f 53 45 72 72 28 | 73 68 6f 72 74 20 65 72 |ilOSErr(|short er|
|00002200| 72 6f 72 29 3b 0d 09 09 | 2f 2a 20 43 61 6c 6c 20 |ror);...|/* Call |
|00002210| 74 68 69 73 20 77 69 74 | 68 20 61 6e 20 4f 53 45 |this wit|h an OSE|
|00002220| 72 72 6f 72 3b 20 73 69 | 67 6e 61 6c 73 20 46 61 |rror; si|gnals Fa|
|00002230| 69 6c 75 72 65 28 65 72 | 72 6f 72 2c 20 30 29 20 |ilure(er|ror, 0) |
|00002240| 69 66 20 65 72 72 6f 72 | 20 3c 3e 20 6e 6f 45 72 |if error| <> noEr|
|00002250| 72 2e 20 2a 2f 0d 0d 65 | 78 74 65 72 6e 20 70 61 |r. */..e|xtern pa|
|00002260| 73 63 61 6c 20 42 6f 6f | 6c 65 61 6e 20 48 61 6e |scal Boo|lean Han|
|00002270| 64 6c 65 72 45 78 69 73 | 74 73 28 46 61 69 6c 49 |dlerExis|ts(FailI|
|00002280| 6e 66 6f 50 74 72 20 74 | 65 73 74 46 61 69 6c 49 |nfoPtr t|estFailI|
|00002290| 6e 66 6f 50 74 72 29 3b | 0d 09 09 2f 2a 20 54 68 |nfoPtr);|.../* Th|
|000022a0| 69 73 20 74 65 73 74 20 | 72 65 74 75 72 6e 73 20 |is test |returns |
|000022b0| 54 52 55 45 20 69 66 20 | 74 68 65 20 66 61 69 6c |TRUE if |the fail|
|000022c0| 75 72 65 20 68 61 6e 64 | 6c 65 72 20 65 78 69 73 |ure hand|ler exis|
|000022d0| 74 73 20 69 6e 20 74 68 | 65 20 73 74 61 63 6b 20 |ts in th|e stack |
|000022e0| 66 72 6f 6d 20 67 54 6f | 70 48 61 6e 64 6c 65 72 |from gTo|pHandler|
|000022f0| 0d 20 20 20 20 20 20 20 | 20 74 6f 20 74 68 65 20 |.       | to the |
|00002300| 6f 75 74 65 72 6d 6f 73 | 74 20 68 61 6e 64 6c 65 |outermos|t handle|
|00002310| 72 2e 20 20 2a 2f 0d 0d | 65 78 74 65 72 6e 20 70 |r.  */..|extern p|
|00002320| 61 73 63 61 6c 20 76 6f | 69 64 20 53 75 63 63 65 |ascal vo|id Succe|
|00002330| 73 73 28 46 61 69 6c 49 | 6e 66 6f 20 2a 66 69 29 |ss(FailI|nfo *fi)|
|00002340| 3b 0d 09 09 2f 2a 20 43 | 61 6c 6c 20 74 68 69 73 |;.../* C|all this|
|00002350| 20 77 68 65 6e 20 79 6f | 75 20 77 61 6e 74 20 74 | when yo|u want t|
|00002360| 6f 20 70 6f 70 20 79 6f | 75 72 20 65 78 63 65 70 |o pop yo|ur excep|
|00002370| 74 69 6f 6e 20 68 61 6e | 64 6c 65 72 2e 20 57 65 |tion han|dler. We|
|00002380| 20 61 73 73 75 6d 65 20 | 74 68 61 74 20 74 68 65 | assume |that the|
|00002390| 20 70 72 6f 67 72 61 6d | 6d 65 72 0d 09 09 20 20 | program|mer...  |
|000023a0| 20 70 61 73 73 65 73 0d | 20 20 20 20 20 20 20 20 | passes.|        |
|000023b0| 69 6e 20 74 68 65 20 6d | 6f 73 74 20 72 65 63 65 |in the m|ost rece|
|000023c0| 6e 74 20 46 61 69 6c 49 | 6e 66 6f 20 72 65 63 6f |nt FailI|nfo reco|
|000023d0| 72 64 3b 20 69 65 2e 20 | 74 68 65 20 6f 6e 65 20 |rd; ie. |the one |
|000023e0| 74 68 61 74 20 69 73 20 | 74 68 65 20 74 6f 70 20 |that is |the top |
|000023f0| 6f 66 20 74 68 65 20 73 | 74 61 63 6b 2e 20 49 66 |of the s|tack. If|
|00002400| 20 64 65 62 75 67 67 69 | 6e 67 0d 20 20 20 20 20 | debuggi|ng.     |
|00002410| 20 20 20 69 73 20 6f 6e | 2c 20 77 65 20 63 68 65 |   is on|, we che|
|00002420| 63 6b 20 74 6f 20 62 65 | 20 73 75 72 65 2e 20 2a |ck to be| sure. *|
|00002430| 2f 0d 23 65 6e 64 69 66 | 0d 0d 00 00 00 00 00 00 |/.#endif|........|
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|000024a0| 3a 22 0d 53 65 74 20 50 | 69 6e 6b 49 6e 63 6c 75 |:".Set P|inkInclu|
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+--------+-------------------------+-------------------------+--------+--------+