Why segmentation(coredump) in the following code in C? Post: 302530498

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Top Forums Programming Why segmentation(coredump) in the following code in C? Post 302530498 by AAKhan on Tuesday 14th of June 2011 07:39:34 AM

06-14-2011

Registered User

Thanks for ur reply
Here is my code.
This is the getsubstring function am using to get substring
char* getsubstring(const char* str, size_t begin, size_t len)
{
if (str == 0 || strlen(str) == 0)
return 0;
return strndup(str + begin, len);
}

and here is, how am catching the retrun char
char* cResponse = GetResponsePrimaryElements(cRPSegBin);

/* my input will be like this cRPSegBin = 11111110000000011111111000000000111111........ */

--> when i try to compile with -g, i got this
cc: 1501-218 (W) file testmsgparse.exe contains an incorrect file suffix
ld: 0711-224 WARNING: Duplicate symbol: __start
ld: 0711-224 WARNING: Duplicate symbol: .__start
ld: 0711-224 WARNING: Duplicate symbol: __threads_init
ld: 0711-224 WARNING: Duplicate symbol: .__threads_init
ld: 0711-224 WARNING: Duplicate symbol: .main
ld: 0711-224 WARNING: Duplicate symbol: .getsubstring
ld: 0711-224 WARNING: Duplicate symbol: .GetResponseSecondaryElements
ld: 0711-224 WARNING: Duplicate symbol: .GetResponsePrimaryElements
ld: 0711-224 WARNING: Duplicate symbol: .GetSecondaryDataElements
ld: 0711-224 WARNING: Duplicate symbol: .GetPrimaryDataElements
ld: 0711-224 WARNING: Duplicate symbol: .ConvertHexToBinary
ld: 0711-224 WARNING: Duplicate symbol: .GetOriginator
ld: 0711-224 WARNING: Duplicate symbol: .GetMessageFunction
ld: 0711-224 WARNING: Duplicate symbol: .GetMessageClass
ld: 0711-224 WARNING: Duplicate symbol: .GetMTIversion
ld: 0711-345 Use the -bloadmap or -bnoquiet option to obtain more information.

What does this mean? How to interpret this?

---------- Post updated at 06:39 AM ---------- Previous update was at 06:22 AM ----------

Thanks Kumaran,
I got it by modifying my getsubstring method as

char* getsubstring(const char* str, size_t begin, size_t len)
{
if (str == 0 || strlen(str) == 0 || strlen(str) < begin || strlen(str) < (begin+len))
return 0;
return strndup(str + begin, len);
}

thanks to all

AAKhan

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th_wbrk

thai/thwbrk.h(3)						      libthai							  thai/thwbrk.h(3)

NAME

       thai/thwbrk.h -

       Thai wide-char word segmentation.

SYNOPSIS

   Functions
       int th_wbrk (const thwchar_t *s, int pos[], size_t n)
	   Find word break positions in Thai wide-char string.
       int th_wbrk_line (const thwchar_t *in, thwchar_t *out, size_t n, const thwchar_t *delim)
	   Insert word delimitors in given wide-char string.

Detailed Description
       Thai wide-char word segmentation.

Function Documentation
   int th_wbrk (const thwchar_t *s, intpos[], size_tn)
       Find word break positions in Thai wide-char string.

       Parameters:
	   s : the input string to be processed
	   pos : array to keep breaking positions
	   n : size of pos[]

       Returns:
	   the actual number of breaking positions occurred

       Finds word break positions in Thai string s and stores at most n breaking positions in pos[], from left to right.

   int th_wbrk_line (const thwchar_t *in, thwchar_t *out, size_tn, const thwchar_t *delim)
       Insert word delimitors in given wide-char string.

       Parameters:
	   in : the input wide-char string to be processed
	   out : the output wide-char buffer
	   n : the size of out (as number of elements)
	   delim : the wide-char word delimitor to insert

       Returns:
	   the actual size of the processed string (as number of elements)

       Analyzes the input string and store the string in output buffer with the given word delimitor inserted at every word boundary.

Author
       Generated automatically by Doxygen for libthai from the source code.

Version 0.1.14							  Tue Jun 17 2014						  thai/thwbrk.h(3)