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  1. #include <stdio.h>
  2. #include <sys/types.h>
  3. #include <unistd.h>
  4. #include <string.h>
  5. #include <stdint.h>
  6.  
  7. #define BSIZE 200
  8.  
  9. int main(void) {
  10. 	char buffer[BSIZE];
  11. 	int const pid = getpid();
  12. 	snprintf(buffer, BSIZE, "/proc/%d/maps", pid);
  13. 	FILE * const maps = fopen(buffer, "r");
  14. 	while (fgets(buffer, BSIZE, maps) != NULL) {
  15. 		unsigned long from, to;
  16. 		int const r = sscanf(buffer, "%lx-%lx", &from, &to);
  17. 		if (r != 2) {
  18. 			puts("!");
  19. 			continue;
  20. 		}
  21. 		if ((from <= (uintptr_t)&fopen) && ((uintptr_t)&fopen < to)) {
  22. 			char const * name = strchr(buffer, '/');
  23. 			if (name) {
  24. 				printf("%s", name);
  25. 			} else {
  26. 				puts("?");
  27. 			}
  28. 		}
  29. 	}
  30. 	fclose(maps);
  31. }
  32.  
Success #stdin #stdout 0s 9424KB
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/lib/x86_64-linux-gnu/libc-2.24.so
https://ideone.com/f22sVw
language:
C (gcc 8.3)
created:
5 years ago
visibility:
secret

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