[bpt/coccinelle.git] / demos / external_ana.c

/* An indirect way to compute zero, for an external analysis to find out. */

#include <stdio.h>

int sum(const int x, const int y) {
  return x + y;
}

int add4(const int z) {
  return sum(z, 1) + 3;
}

int main() {
  int x = add4(1) - 5;   /* should be zero */

  if (x) {
    printf("Dead code.");
  }

  int y = getchar() < 0; /* can happen */
  if (y) {
    printf("Not dead code.");
  }

  return 0;
}
Commit	Line	Data
755320b0 C	1	/* An indirect way to compute zero, for an external analysis to find out. */
	2
	3	#include <stdio.h>
	4
	5	int sum(const int x, const int y) {
	6	return x + y;
	7	}
	8
	9	int add4(const int z) {
	10	return sum(z, 1) + 3;
	11	}
	12
	13	int main() {
	14	int x = add4(1) - 5; /* should be zero */
	15
	16	if (x) {
	17	printf("Dead code.");
	18	}
	19
	20	int y = getchar() < 0; /* can happen */
	21	if (y) {
	22	printf("Not dead code.");
	23	}
	24
	25	return 0;
	26	}