neingeist/c-exercises
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check malloc() return values

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orange 2013-06-30 22:10:52 +02:00
parent 562df3ece0
commit 7e2f62da99
1 changed files with 6 additions and 0 deletions
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6
circular-buffer.c
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@ -104,6 +104,8 @@ int main(int argc, char *argv[]) {
/* Add one element. */
elem_t *one = malloc(sizeof(elem_t));
if (!one)
dienomem();
one->foo = 23;
cb_write(test_cb, one);
free(one);
@ -111,6 +113,8 @@ int main(int argc, char *argv[]) {
/* Read the one element. */
elem_t *oneback = malloc(sizeof(elem_t));
if (!oneback)
dienomem();
cb_read(test_cb, oneback);
assert(oneback->foo == 23);
free(oneback);
@ -118,6 +122,8 @@ int main(int argc, char *argv[]) {
/* Fill the buffer. */
elem_t *e = malloc(sizeof(elem_t));
if (!e)
dienomem();
for (int i = 1; i <= CB_SIZE; i++) {
e->foo = i;
cb_write(test_cb, e);