10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
I've made a number of errors with this and am trying to work a solution within the same framework.
/bin/ksh
for host_name in ahost1 ahost2 bhost1 bhost2
do
for host_prefix in a b
do
if echo ${host_name} | grep -qi ${host_prefix}
then
if
... (1 Reply)
Discussion started by: squrcles
1 Replies
2. Programming
hi
in the following code, how the memory is allocated for a1 which holds the values of a2 after cpy function call.
#include <stdio.h>
#include <string.h>
void cpy(char* d, const char* s){
while(*d++=*s++);
}
main(){
char* a1;
char* a2="done";
cpy(a1,a2);
... (3 Replies)
Discussion started by: mprakasheee
3 Replies
3. Solaris
Hi guys!
Could you tell me what's this figure about? (See the attached figure below.)
This is a representation of block allocation filesystem and extent allocation filesystem in Solaris.
Does this mean that in a block-based allocation, data are placed in individual blocks while in... (0 Replies)
Discussion started by: arah
0 Replies
4. Programming
Hi Experts
I need some help in static memory allocation in C. I have a program in which I declared 2 variables, one char array and one integer. I was little surprised to see the addresses of the variables.
First:
int x;
char a;
printf("%u %u\n', &x, a);
I got the addresses displayed... (2 Replies)
Discussion started by: unx_freak
2 Replies
5. Programming
i wrote a tiny version of tail command using a large buffer statically allocated but, in a second time, i found another version in which i use a bidimensional array dynamically allocated.
here is the first version
/*my tiny tail, it prints the last 5 line of a file
*/
#include<stdio.h>... (4 Replies)
Discussion started by: lucasclaus
4 Replies
6. Programming
If one wants to get a start address of a array or a string or a block of memory via a function, there are at least two methods to achieve it:
(1) one is to pass a pointer-to-pointer parameter, like:
int my_malloc(int size, char **pmem)
{
*pmem=(char *)malloc(size);
if(*pmem==NULL)... (11 Replies)
Discussion started by: aaronwong
11 Replies
7. Programming
I am using a structure defined as follows
struct gene_square
{
double *x;
double *y;
};I have class, with a member function which is a pointer of this type:
gene_square* m_Genes;I am allocating memory in the constructors like this:
m_Genes = new gene_square;
for (ii=0;... (1 Reply)
Discussion started by: jatoo
1 Replies
8. UNIX for Dummies Questions & Answers
HI Gurus,
I had a requirement where i want to allocate a file name into a variable and get the file name in the subj of email.
Suppose i have a file File002.pdx in the folder /home/pcs/system/files/File002.pdx
Iam using a variable a = `ls /home/pcs/system/files/*.pdx`
Iam using *... (2 Replies)
Discussion started by: pssandeep
2 Replies
9. Programming
Hi,
Is there anything wrong in the following code : - Because I am freeing the local variable tt, will it affect 'str' variable in the main function. will there be any memory leaks for bulk requests?
Thanks in advance
main(){
char *str="hi";
fun(&str);
... (6 Replies)
Discussion started by: axes
6 Replies
10. UNIX for Dummies Questions & Answers
I would like to know how I could allocate some more memory to a process.
Please note that I am not the root user. (1 Reply)
Discussion started by: sagar
1 Replies
