1. 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)

2. Programming

Hi I want to know when and where memory for static variables are allocated in a C program. If it allocates during compilation will memory be allocated for the variable "i" during compilation itself. int count(); int main(){ printf("%d", count()); return 0; } int count() { ... (8 Replies)

3. 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)

4. Programming

Hi, I am trying to process line by line of a file. But I should not be allocating static allocation for reading the contents of the file. The memory should be dynamically allocated. The confusion here is how do I determine the size of each line, put it into a buffer with the memory allocated... (11 Replies)

5. Programming

Hi, I have the following problem: i must allocate a dynamic array from a subroutine which should return such array to main function. The subroutine has already a return parameter so i thought of pass the array as I/O parameter. I tried the following program but it doesn't work (segmentation... (11 Replies)

6. Programming

Hi, is it possible in C to allocate dynamically a global variable?? (3 Replies)

7. 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)

8. Programming

Hello Guys I have a small confusion in the dynamic memory allocation concept. If we declare a pointer say a char pointer, we need to allocate adequate memory space. char* str = (char*)malloc(20*sizeof(char)); str = "This is a string"; But this will also work. char* str = "This... (2 Replies)

9. 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)

10. Programming

When we dynamically allocate the memory say 100 integers say int *x = new int(1000); then does entire chunk of memory gets allocated at once after the completion of the statement? I mean will the the concept of page fault come into picture over here? (3 Replies)