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
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
|
/* Simple malloc tests.
*/
#include <stdlib.h>
#include <string.h>
#include <stdint.h>
#if defined(__SDCC_pic16)
#include <malloc.h>
#endif
#include <testfwk.h>
#if defined(__SDCC_pic16)
__xdata char heap[100];
#endif
void mallocfree(void)
{
#if !defined(__SDCC_pdk14) && !defined(__SDCC_pdk15) // Lack of memory
char *a, *b, *c;
char d[25];
LOG (("mallocfree()\n"));
a = malloc(16);
ASSERT(a);
memset(a, 2, 16);
b = malloc(16);
ASSERT(b);
memset(b, 1, 16);
c = calloc(16, 1);
ASSERT(c);
#ifndef PORT_HOST
LOG (("1 a %u b %u c %u\n", (unsigned)a, (unsigned)b, (unsigned)c));
#endif
memset(d, 2, 16);
ASSERT(!memcmp(d, a, 16));
memset(d, 1, 16);
ASSERT(!memcmp(d, b, 16));
memset(d, 0, 16);
ASSERT(!memcmp(d, c, 16));
free(b);
b = malloc(20);
memset(b, 3, 20);
#ifndef PORT_HOST
LOG (("2 a %u b %u c %u\n", (unsigned)a, (unsigned)b, (unsigned)c));
#endif
memset(d, 2, 16);
ASSERT(!memcmp(d, a, 16));
memset(d, 3, 20);
ASSERT(!memcmp(d, b, 20));
memset(d, 0, 16);
ASSERT(!memcmp(d, c, 16));
free(b);
b = malloc(10);
memset(b, 4, 10);
#ifndef PORT_HOST
LOG (("3 a %u b %u c %u\n", (unsigned)a, (unsigned)b, (unsigned)c));
#endif
memset(d, 2, 16);
ASSERT(!memcmp(d, a, 16));
memset(d, 4, 20);
ASSERT(!memcmp(d, b, 10));
memset(d, 0, 16);
ASSERT(!memcmp(d, c, 16));
free(b);
b = malloc(8);
memset(b, 5, 8);
b = realloc(b, 4);
memset(d, 5, 8);
ASSERT(!memcmp(d, b, 4));
#ifndef PORT_HOST
LOG (("4 a %u b %u c %u\n", (unsigned)a, (unsigned)b, (unsigned)c));
#endif
free(a);
b = realloc(b, 8);
ASSERT(!memcmp(d, b, 4));
#ifndef PORT_HOST
LOG (("5 a %u b %u c %u\n", (unsigned)a, (unsigned)b, (unsigned)c));
#endif
free(b);
#ifndef PORT_HOST
LOG (("6 a %u b %u c %u\n", (unsigned)a, (unsigned)b, (unsigned)c));
#endif
free(c);
#ifndef PORT_HOST
LOG (("7 a %u b %u c %u\n", (unsigned)a, (unsigned)b, (unsigned)c));
#endif
a = malloc(10);
memset(a, 6, 10);
b = malloc(10);
memset(b, 7, 10);
c = malloc(10);
memset(c, 8, 10);
#ifndef PORT_HOST
LOG (("8 a %u b %u c %u\n", (unsigned)a, (unsigned)b, (unsigned)c));
#endif
free(b);
a = realloc(a, 25);
memset(a + 10, 6, 15);
#ifndef PORT_HOST
LOG (("9 a %u b %u c %u\n", (unsigned)a, (unsigned)b, (unsigned)c));
#endif
memset(d, 6, 25);
ASSERT(!memcmp(d, a, 25));
memset(d, 8, 10);
ASSERT(!memcmp(d, c, 10));
free(a);
free(c);
/* Check that we can allocate at least 256 bytes at once. */
#if defined(PORT_HOST) || defined(__SDCC_z80) || defined(__SDCC_z80n) || defined(__SDCC_z180) || defined(__SDCC_r2k) || defined(__SDCC_r2ka) || defined(__SDCC_r3ka)
a = malloc(256);
ASSERT(a);
free(a);
#endif
/* Check for overflow in calloc() memory size calculation, bug #2650. */
#ifndef PORT_HOST
c = calloc(SIZE_MAX / 256, 258);
ASSERT(!c);
#endif
#endif
}
void
testMalloc (void)
{
#if !(defined (__SDCC_pdk15) && defined(__SDCC_STACK_AUTO)) // Lack of code memory
#ifndef __SDCC_pdk14
void __xdata *p1, *p2, *p3;
char *p;
unsigned char i;
#if defined(__SDCC_pic16)
_initHeap (heap, sizeof heap);
#endif
#ifndef PORT_HOST
p1 = malloc (0xFFFF);
ASSERT (p1 == NULL);
LOG (("p1 == NULL when out of memory\n"));
#endif
#if !defined(PORT_HOST) && !defined(__SDCC_sm83) && !defined(__SDCC_z80) && !defined(__SDCC_z80n)
p1 = malloc (2000);
ASSERT (p1 == NULL);
LOG (("p1 == NULL when out of memory\n"));
#ifdef PORT_HOST
LOG (("p1: %p\n", p1));
#else
LOG (("p1: %u\n", (unsigned) p1));
#endif
#endif
p1 = malloc (5);
ASSERT (p1 != NULL);
#ifdef PORT_HOST
LOG (("p1: %p\n", p1));
#else
LOG (("p1: %u\n", (unsigned) p1));
#endif
p2 = malloc (20);
ASSERT (p2 != NULL);
#ifdef PORT_HOST
LOG (("p2: %p\n", p2));
#else
LOG (("p2: %u\n", (unsigned) p2));
#endif
p = (char*)p2;
for (i = 0; i < 20; i++, p++)
*p = i;
p2 = realloc (p2, 25);
ASSERT (p2 != NULL);
#ifdef PORT_HOST
LOG (("p2, after expanding realloc: %p\n", p2));
#else
LOG (("p2, after expanding realloc: %u\n", (unsigned) p2));
#endif
p = (char*)p2;
for (i = 0; i < 20; i++, p++)
ASSERT (*p == i);
p2 = realloc (p2, 15);
ASSERT (p2 != NULL);
#ifdef PORT_HOST
LOG (("p2, after shrinking realloc: %p\n", p2));
#else
LOG (("p2, after shrinking realloc: %u\n", (unsigned) p2));
#endif
p = (char*)p2;
for (i = 0; i < 15; i++, p++)
ASSERT (*p == i);
free (p2);
p3 = malloc (10);
ASSERT (p3 != NULL);
#ifdef PORT_HOST
LOG (("p3, after freeing p2: %p\n", p3));
#else
LOG (("p3, after freeing p2: %u\n", (unsigned) p3));
#endif
free (p1);
free (p3);
mallocfree();
#endif
#endif
}
|
