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Date: Fri, 09 May 2008 10:57:44 +0200
From: =?ISO-8859-1?Q?V=E1clav_Haisman?= <v DOT haisman AT sh DOT cvut DOT cz>
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To: cygwin AT cygwin DOT com
Subject: Re: cygtls::handle_exceptions: Error while dumping state
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Gloria Muņoz wrote:
| Hi all!
|
| First of all hello everybody! because I've just joined
| the list. I've had a lok into the Mailing list archive and I've seen
| that this error has happened before to other people but each time the
| solution was different and I haven't found the answer to my specific
| case so here we go!
|
|
| I'm just trying to read a .data file and create a .xls file to use
| with excel; for that I've created the next simple program:
|
| #include <stdio.h>
|
| main (int argc, char* argv[])
| {
|     FILE *f1, *f2;
|
|
|     char *file_name;
|     int num_compressors = 0;
|     int num_files = 0;
|     int numC = 0;
|     char *out_file;
|     char *aux;
|     char *ctime;
|
|      if(argc != 2)
|     {
|       fprintf(stderr, "Use: %s nameOfFile\n", argv[0]);
|
|       exit(1);
|     }
|
|      // Open source file
|      if ((f1 = fopen(argv[1],"r")) == NULL){
|     fprintf(stderr, "Can't open %s\n", argv[1]);
|     exit(1);
|       }
|
|       fprintf(stderr, "%s opened\n", argv[1]);
|
|
|       fscanf(f1,"%d",&num_compressors
| );
|       fprintf(stderr, "Number of compressors: %d\n", num_compressors);
|       fscanf(f1,"%d",&num_files);
|       fprintf(stderr, "Number of files: %d\n", num_files);
|
|
|       do{
|                   // THE PROBLEM SEEMS TO BEGIN HERE
|            fscanf(f1,"%s",out_file);
You have forgotten to allocate some memory for your out_file buffer.

|            fprintf(stderr, "Name of compressor: %s\n", out_file);
|
|        out_file = strcat(out_file, ".xls");
|            fprintf(stderr, "Read name of the new file: %s\n", out_file);
|            // Create new .xls file
|           f2 = fopen (out_file, "w");
|
|           if (f2==NULL){
|              fprintf(stderr, "Can't open %s\n", out_file);
|              exit(1);
|           }
|
|                 fscanf(f1,"%s",file_name);
|                 fprintf(f2, "%s\t", file_name);
|
|                 fscanf(f1,"%s %s", aux, ctime);
|                 fprintf(f2, "%s\t", ctime);
|                numC++;
|         }while (numC < num_compressors);
|
|   fclose(f1);
|   fclose(f2);
|
|
| }
|
|
| The test .data file is called pruExcel.data and consist of:
|
| 1
| 1
|
| gzip
|
| to_mm_24.bin
|
| real    0m0.614s
| user    0m0.499s
| sys    0m0.015s
|
|
| And the output :
|
|
| $ ./oExcel pruExcel.data
| pruExcel.data opened
| Number of compressors: 1
| Number of files: 1
|       7 [main] oExcel 2988 _cygtls::handle_exceptions: Error while
dumping state
|  (probably corrupted stack)
| Segmentation fault (core dumped)
|
| I'm working with Windows XP and CYGWIN_NT-5.1,
|
| any idea would be appreciated!
| Thanks!
|

- --
VH
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