September 2004 - Hugs-Bugs

Undefined variable bug
by John Tromp 27 Feb '07

27 Feb '07

I just found out that I can circumvent the problem by adding a line import Char to my loaded file. regards, -john

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[Hugs-bugs] Source corrections
by Per Johansson 30 Sep '04

30 Sep '04

Hello. I have compiled HUGS ( hugs98-Nov2003.tar.gz) using GCC 3.2.2 on OS/2. It was rather easy, but there are two declarations (vsnprintf, snprintf) in the source that don't conform with ISO C, since int is used instead of size_t (which is unsigned int). I had make the following changes to compile. Replaced lines marked // PJ. In prelude.h: // PJ extern int snprintf Args((char*, int, const char*, ...)); extern int snprintf Args((char*, size_t, const char*, ...)); // PJ extern int vsnprintf Args((char*, int, const char*, va_list)); extern int vsnprintf Args((char*, size_t, const char*, va_list)); In machdep.c: // PJ int vsnprintf(char* buffer, int count, const char* fmt, va_list ap); int vsnprintf(char* buffer, size_t count, const char* fmt, va_list ap); // PJ int count; size_t count; // PJ int snprintf(char* buffer, int count, const char* fmt, ...); int snprintf(char* buffer, size_t count, const char* fmt, ...); // PJ int snprintf(char* buffer, int count, const char* fmt, ...) int snprintf(char* buffer, size_t count, const char* fmt, ...) { -- Mr Per Johansson mail: Oljekvarnsgatan 14B, SE-414 65 Göteborg, Suede mobile phone: int +46 70 796 08 48 uri: http://per.johansson.name/ "it's a great idea, but possibly not, and I'm not being indecisive"

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[Hugs-bugs] Internal eror in Hugs, trying to read a non existing file
by Henk-Jan.van.Tuyl＠hotpop.com 30 Sep '04

30 Sep '04

L.S., The attached program reads a filename ("x.x") from file "filenames.dat"; then the program tries to read file "x.x"; this file does not exist, in the first call to "main", an internal error message is displayed; the second time, a "file does not exist" message is displayed. The following shows what happens: __ __ __ __ ____ ___ _______________________________________________ || || || || || || ||__ Hugs 98: Based on the Haskell 98 standard ||___|| ||__|| ||__|| __|| Copyright (c) 1994-2003 ||---|| ___|| World Wide Web: http://haskell.org/hugs || || Report bugs to: hugs-bugs(a)haskell.org || || Version: Nov 2003 _______________________________________________ Haskell 98 mode: Restart with command line option -98 to enable extensions Type :? for help Prelude> Prelude> :l "C:\\Mijn documenten\\SoftwareOntwikkeling\\Haskell\\ReadALot\\Error InGraph.lhs" Main> main Program error: Program error: pattern match failure (181 reductions, 528 cells, 1 garbage collection) INTERNAL ERROR: Error in graph Main> Main> main Program error: x.x: IO.openFile: does not exist (file does not exist) (197 reductions, 499 cells) Main> -- Met vriendelijke groet, Herzliche Grüße, Best regards, Henk-Jan van Tuyl

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[Hugs-bugs] Fatal error
by Paqui Lucio 23 Sep '04

23 Sep '04

Hi, I have installed Hugs98 Nov2003 on Windows XP. WinHugs opens with the message: __ __ __ __ ____ ___ _______________________________________________ || || || || || || ||__ Hugs 98: Based on the Haskell 98 standard ||___|| ||__|| ||__|| __|| Copyright (c) 1994-2003 ||---|| ___|| World Wide Web: http://haskell.org/hugs || || Report bugs to: hugs-bugs(a)haskell.org || || Version: Nov 2003 _______________________________________________ Hugs mode: Restart with command line option +98 for Haskell 98 mode ERROR ".\Prelude.hs" - Module "Hugs.Prelude" already loaded Hugs.Prelude> Moreover, when I try to load a .hs file, a fatal error occurs and the aplication is closed inmediatly. I have uninstalled, download again and installed again. The problem persist. Please, could you help me. Thanks in advance, Paqui --------------------------------- Paqui Lucio Dpto de LSI Facultad de Informática Paseo Manuel de Lardizabal, 1 20080-San Sebastián SPAIN --------------------------------- Tfn: (+34) (9)43 015049 Fax: (+34) (9)43 015590 ---------------------------------

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