Login or Register to Ask a Question and Join Our Community

Sponsored Content
Full Discussion: Segment fault related to strlen.S
Top Forums Programming Segment fault related to strlen.S Post 302968007 by yifangt on Wednesday 2nd of March 2016 10:44:10 AM
Old 03-02-2016
Segment fault related to strlen.S
Hello,
This function was copied into my code, which was compiled without error/warning, but when executed there is always Segmentation fault at the end after the output (which seems correct!):
Code:
void get_hashes(unsigned int hash[],  unsigned char *in)
{
    unsigned char *str = in;
    int pos = strlen((char *) in);    //This line is of problem!
    hash[0] = RSHash(str, pos);
    hash[1] = DJBHash(str, pos);
    hash[2] = FNVHash(str, pos);
    hash[3] = JSHash(str, pos);
    hash[4] = PJWHash(str, pos);
    hash[5] = SDBMHash(str, pos);
    hash[6] = DEKHash(str, pos);
    hash[7] = murmur(str, (uint64_t) pos, (uint64_t) pos);
}

Then I used gdb to debug, and I got this message:
Code:
Program received signal SIGSEGV, Segmentation fault.
strlen () at ../sysdeps/x86_64/strlen.S:106
106    ../sysdeps/x86_64/strlen.S: No such file or directory.

The problem line has been highlighted. Code for the whole program is attached. I used type cast to suppress the warnings at compiling without full understanding.
Can someone explain the error for me, and show me the correct fix?
Thanks a lot!
bitwiser04.txt (13.7 KB) 
 

10 More Discussions You Might Find Interesting

1. Programming

Problems with Strlen

hello, i have a problem with strlen. I have written this: for(y=13,z=0; cInBuf!=' ';y++) { cBuf=cInBuf; z++; } len = strlen(cBuf); out=len/2; fprintf(outfile,"F%i",out); If strlen is e.g. 22, it write F22. I want to write F2F2. How can i do this?... (5 Replies)
Discussion started by: ACeD
5 Replies

2. Shell Programming and Scripting

Problem with the strlen function in ksh

Hello, Just a little problem with the ksh function : strlen I want to use this function in this little ksh program : while read line ; do TOTO=$line TOTONB=strlen($TOTO) echo $TOTONB (3 Replies)
Discussion started by: steiner
3 Replies

3. Programming

Segment Fault

When run it, segment fault. What is wrong? #include <stdio.h> #include <stdlib.h> const int max =20; //**************************************************** // Input Matrix //**************************************************** void inMatrixAA(int *AA, int row, int col)... (9 Replies)
Discussion started by: zhshqzyc
9 Replies

4. Programming

'strlen' of a constant string

In a declaration, I have: const char comment_begin = "<!--"; const char comment_end = "-->"; const int comment_begin_len = strlen(comment_begin); const int comment_end_len = strlen(comment_end); When I compile, I get the warnings: emhttpc.c:64: warning: initializer element is not... (10 Replies)
Discussion started by: cleopard
10 Replies

5. Programming

a strange segment fault about ltp-posix test

Hi all In the ltp-posix test,there is a case in open_posix_testsuite\conformance\interfaces\timer_gettime\speculative/6-1.c I run the above code,it will has a segment fault, if I modify it to below,it works well Anybody can tell me why? (1 Reply)
Discussion started by: yanglei_fage
1 Replies

6. Programming

strlen for UTF-8

My OS (Debian) and gcc use the UTF-8 locale. This code says that the char size is 1 byte but the size of 'a' is really 4 bytes. int main(void) { setlocale(LC_ALL, "en_US.UTF-8"); printf("Char size: %i\nSize of char 'a': %i\nSize of Euro sign '€': %i\nLength of Euro sign: %i\n",... (8 Replies)
Discussion started by: cyler
8 Replies

7. Programming

Data segment or Text segment

Hi, Whether the following piece of code is placed in the read-only memory of code (text) segment or data segment? char *a = "Hello"; I am getting two different answers while searching in google :( that's why the confusion is (7 Replies)
Discussion started by: royalibrahim
7 Replies

8. Programming

why segment fault,

I always get segment fault, why? can sb help me and modify it, I have spend on much time on #include <pthread.h> #include <stdio.h> #include <stdlib.h> #include <sys/time.h> #include <string.h> #define MAX 10 pthread_t thread; void *thread1() { int *a; int i, n; ... (1 Reply)
Discussion started by: yanglei_fage
1 Replies

9. Programming

Segment-fault handling for pthreads

Hi I have struggling a week to fix a program , in the begining i got SIGBUS , but after many attempts still the program gets SIGSEGV segment fault , In bellow i post the seg fault log + source codes. would really appreciate if experts help me to fix this segment fault error. any advice is... (2 Replies)
Discussion started by: pooyair
2 Replies

10. Programming

Segment fault for C++ program when return vector

I am trying to reverse complement DNA sequence (string) with a short c++ code using boost library. Code was compiled without any warning/error, but ran into Segmentation fault. My guess is the function to return a vector, but not sure. #include <iostream> #include <fstream> #include <string>... (14 Replies)
Discussion started by: yifangt
14 Replies

LEARN ABOUT OPENSOLARIS

sunw.sctelemetry

SUNW.SCTelemetry(5)					     Sun Cluster Miscellaneous					       SUNW.SCTelemetry(5)

NAME

       SUNW.SCTelemetry, SCTelemetry - resource type for collecting data on system resource usage

DESCRIPTION

       SUNW.SCTelemetry  is  the  resource  type that enables you to collect data on the usage of system resources. SUNW.SCTelemetry stores system
       resource usage data in a Java DB database for seven days. The resource of type SUNW.SCTelemetry has a dependency on the	resource  of  type
       SUNW.derby. For more information, see the SUNW.derby(5) man page.

       The extension properties associated with the SUNW.SCTelemetry resource type are as follows:

       Extended_accounting_cleanup(boolean)

	   Specifies  whether  the  extended  accounting  log  file is cleaned up, that is whether historical data is deleted. Possible values for
	   Extended_accounting_cleanup are TRUE and FALSE.

	   Category		       Optional

	   Default		       TRUE

	   Tunable		       Anytime

       Monitor_retry_count(integer)

	   Controls fault-monitor restarts. The property indicates the number of times that the process monitor facility restarts the fault  moni-
	   tor.  The property corresponds to the -n option passed to the pmfadm(1M) command. The Resource Group Manager (RGM) counts the number of
	   restarts in a specified time window. See the Monitor_retry_interval property for more information. Note that Monitor_retry_count refers
	   to the restarts of the fault monitor itself, not to the resource of type SUNW.SCTelemetry.

	   Category		       Optional

	   Default		       2

	   Tunable		       Anytime

       Monitor_retry_interval(integer)

	   Indicates  the  time  window  in  minutes during which the RGM counts fault-monitor failures. The property corresponds to the -t option
	   passed to the pmfadm(1M) command.  If the number of times the fault monitor fails exceeds the value of  the	Monitor_retry_count  prop-
	   erty, the process monitor facility does not restart the fault monitor.

	   Category		       Optional

	   Default		       2 minutes

	   Tunable		       Anytime

       Probe_timeout(integer)

	   Specifies the timeout value, in seconds, for the probe.

	   Category		       Optional

	   Default		       30 seconds

	   Tunable		       Anytime

       Sampling_interval(integer)

	   Specifies how often monitoring data is collected. The Telemetry_sampling_interval property must have a value of between 30 and 3600.

	   Category		       Mandatory

	   Default		       60

	   Tunable		       Anytime

SEE ALSO

       pmfadm(1M), SUNW.derby(5)

Sun Cluster 3.2 						    12 Jul 2005 					       SUNW.SCTelemetry(5)
All times are GMT -4. The time now is 03:47 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy