1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 | #include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <assert.h>
int main(int argc, char* argv[]) {
char* string_on_data_segment = "ice";
// String on data segment:
// - Declared by char* «name» = "…";
//
// - Any string literal (e.g., "…") refers to characters on the data segment
// (unless it is being used to initialize a string on the stack)
//
// - CAN assign a string literal ("…") to a char* because the string literal
// really just represents the address of those characters on the data segment.
// OK: string_on_data_segment = "dice";
//
// - CanNOT write to individual characters within a string on the data segment.
// X string_on_data_segment[0] = 'a'; ERROR
char string_on_stack[] = "salami";
// Sting on stack...
// - Declared using [] like this: char «name»[] = "…"; // or sometimes … = { … };
//
// - Type is char[…]
//
// - Writable (i.e., can modify characters within the string)
// OK: string_on_stack[0] = 'f';
//
// - CanNOT assign an entire string to a string on the stack:
// X: string_on_stack = "sailing"; // ERROR
return EXIT_SUCCESS;
}
/* vim: set tabstop=4 shiftwidth=4 fileencoding=utf-8 noexpandtab: */
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