21 lines
365 B
Text
21 lines
365 B
Text
|
/*
|
||
|
|
How to create the shared lib/so file:
|
||
|
|
gcc -c -Wall -Werror -fPIC duptest.c
|
||
|
|
gcc -shared -o duptest.so duptest.o -Wno-undef
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <stdlib.h>
|
||
|
|
#include <string.h>
|
||
|
|
|
||
|
|
extern char * duptest(char * str);
|
||
|
|
|
||
|
|
char * duptest(char * str) {
|
||
|
|
static char * s;
|
||
|
|
|
||
|
|
free(s); // We simply dispose the result of the last call
|
||
|
|
return s = strdup(str);
|
||
|
|
}
|
||
|
|
|
||
|
|
int main() {
|
||
|
|
}
|