Sponsored Content
Top Forums Programming Small query regarding function "char * strerror(int errnum)" Post 302762679 by Corona688 on Tuesday 29th of January 2013 01:29:44 AM
Old 01-29-2013
Quote:
Originally Posted by Praveen_218
The primary reason to ask this query is because of the fact that the MAN pages themselves not making me sure if the programmer needs to handle any kind of cleanup post calling strerror()? Just like the call to stat(), lstat(), fstat() which create objects of type struct stat on the heap itself (whose address is returned through the pointer struct stat *sb)
They do no such thing. Pointers do not work that way! You cannot "return an address" through a pointer you pass into a function, any more than you can return a number through a number you pass into a function.

You do not need to clean up after strerror -- or stat, lstat, or fstat, either.
 

8 More Discussions You Might Find Interesting

1. Programming

How to convert the "select" function into a "poll" function

i have a program using the select function but i want to convert it to poll... how can i do this? thanks in advance... :) (1 Reply)
Discussion started by: rbolante
1 Replies

2. UNIX for Dummies Questions & Answers

Explain the line "mn_code=`env|grep "..mn"|awk -F"=" '{print $2}'`"

Hi Friends, Can any of you explain me about the below line of code? mn_code=`env|grep "..mn"|awk -F"=" '{print $2}'` Im not able to understand, what exactly it is doing :confused: Any help would be useful for me. Lokesha (4 Replies)
Discussion started by: Lokesha
4 Replies

3. HP-UX

ERROR: more than one instance of overloaded function "vprintf" has "C" linkage

Hi people! I've got this own library: -------------------------------------------- Personal.h -------------------------------------------- #ifdef __cplusplus extern "C" { #endif #include <stdio.h> #include <stdarg.h> #include <string.h> ... (0 Replies)
Discussion started by: donatoll
0 Replies

4. Solaris

significance of "+" char in SunOS "ls -l" output

Hi, I've noticed that the permissions output from "ls -l" under SunOS differs from Linux in that after the "rwxrwxrwx" field, there is an additional "+" character that may or may not be there. What is the significance of this character? Thanks, Suan (6 Replies)
Discussion started by: sayeo
6 Replies

5. Shell Programming and Scripting

awk command to replace ";" with "|" and ""|" at diferent places in line of file

Hi, I have line in input file as below: 3G_CENTRAL;INDONESIA_(M)_TELKOMSEL;SPECIAL_WORLD_GRP_7_FA_2_TELKOMSEL My expected output for line in the file must be : "1-Radon1-cMOC_deg"|"LDIndex"|"3G_CENTRAL|INDONESIA_(M)_TELKOMSEL"|LAST|"SPECIAL_WORLD_GRP_7_FA_2_TELKOMSEL" Can someone... (7 Replies)
Discussion started by: shis100
7 Replies

6. UNIX for Dummies Questions & Answers

Using "mailx" command to read "to" and "cc" email addreses from input file

How to use "mailx" command to do e-mail reading the input file containing email address, where column 1 has name and column 2 containing “To” e-mail address and column 3 contains “cc” e-mail address to include with same email. Sample input file, email.txt Below is an sample code where... (2 Replies)
Discussion started by: asjaiswal
2 Replies

7. Shell Programming and Scripting

Move a line containg "char" above line containing "xchar"

Okay, so I have a rather large text file and will have to process many more and this will save me hours of work. I'm not very good at scripting, so bear with me please. Working on Linux RHEL I've been able to filter and edit and clean up using sed, but I have a problem with moving lines. ... (9 Replies)
Discussion started by: rex007can
9 Replies

8. Shell Programming and Scripting

Bash script - Print an ascii file using specific font "Latin Modern Mono 12" "regular" "9"

Hello. System : opensuse leap 42.3 I have a bash script that build a text file. I would like the last command doing : print_cmd -o page-left=43 -o page-right=22 -o page-top=28 -o page-bottom=43 -o font=LatinModernMono12:regular:9 some_file.txt where : print_cmd ::= some printing... (1 Reply)
Discussion started by: jcdole
1 Replies
STAT(3F)																  STAT(3F)

NAME
stat, lstat, fstat - get file status SYNOPSIS
integer function stat (name, statb) character*(*) name integer statb(12) integer function lstat (name, statb) character*(*) name integer statb(12) integer function fstat (lunit, statb) integer statb(12) DESCRIPTION
These routines return detailed information about a file. Stat and lstat return information about file name; fstat returns information about the file associated with fortran logical unit lunit. The order and meaning of the information returned in array statb is as described for the structure stat under stat(2). The ``spare'' values are not included. The value of either function will be zero if successful; an error code otherwise. FILES
/usr/lib/libU77.a SEE ALSO
stat(2), access(3F), perror(3F), time(3F) BUGS
Pathnames can be no longer than MAXPATHLEN as defined in <sys/param.h>. 4.2 Berkeley Distribution May 15, 1985 STAT(3F)
All times are GMT -4. The time now is 01:31 PM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy