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// RUN: %clang_cc1 -analyze -analyzer-checker=core,experimental.core -verify -analyzer-constraints=range %s
// These are used to trigger warnings.
typedef typeof(sizeof(int)) size_t;
void *malloc(size_t);
void free(void *);
#define NULL ((void*)0)
#define UINT_MAX (__INT_MAX__ *2U +1U)
// Each of these adjusted ranges has an adjustment small enough to split the
// solution range across an overflow boundary (Min for <, Max for >).
// This corresponds to one set of branches in RangeConstraintManager.
void smallAdjustmentGT (unsigned a) {
char* b = NULL;
if (a+2 > 1)
b = malloc(1);
if (a == UINT_MAX-1 || a == UINT_MAX)
return; // no-warning
else if (a < UINT_MAX-1)
free(b);
return; // no-warning
}
void smallAdjustmentGE (unsigned a) {
char* b = NULL;
if (a+2 >= 1)
b = malloc(1);
if (a == UINT_MAX-1)
return; // no-warning
else if (a < UINT_MAX-1 || a == UINT_MAX)
free(b);
return; // no-warning
}
void smallAdjustmentLT (unsigned a) {
char* b = NULL;
if (a+1 < 2)
b = malloc(1);
if (a == 0 || a == UINT_MAX)
free(b);
return; // no-warning
}
void smallAdjustmentLE (unsigned a) {
char* b = NULL;
if (a+1 <= 2)
b = malloc(1);
if (a == 0 || a == 1 || a == UINT_MAX)
free(b);
return; // no-warning
}
// Each of these adjusted ranges has an adjustment large enough to push the
// comparison value over an overflow boundary (Min for <, Max for >).
// This corresponds to one set of branches in RangeConstraintManager.
void largeAdjustmentGT (unsigned a) {
char* b = NULL;
if (a-2 > UINT_MAX-1)
b = malloc(1);
if (a == 1 || a == 0)
free(b);
else if (a > 1)
free(b);
return; // no-warning
}
void largeAdjustmentGE (unsigned a) {
char* b = NULL;
if (a-2 >= UINT_MAX-1)
b = malloc(1);
if (a > 1)
return; // no-warning
else if (a == 1 || a == 0)
free(b);
return; // no-warning
}
void largeAdjustmentLT (unsigned a) {
char* b = NULL;
if (a+2 < 1)
b = malloc(1);
if (a == UINT_MAX-1 || a == UINT_MAX)
free(b);
else if (a < UINT_MAX-1)
return; // no-warning
return; // no-warning
}
void largeAdjustmentLE (unsigned a) {
char* b = NULL;
if (a+2 <= 1)
b = malloc(1);
if (a < UINT_MAX-1)
return; // no-warning
else if (a == UINT_MAX-1 || a == UINT_MAX)
free(b);
return; // no-warning
}
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