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fix persistent demo

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This commit is contained in:
van Hauser 2019-09-20 12:51:26 +02:00
parent 63677bb1f9
commit 272a43be11
1 changed files with 6 additions and 1 deletions
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7
experimental/persistent_demo/persistent_demo.c
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@ -33,6 +33,7 @@
int main(int argc, char** argv) {
ssize_t len; /* how much input did we read? */
char buf[100]; /* Example-only buffer, you'd replace it with other global or
local variables appropriate for your use case. */
@ -57,11 +58,15 @@ int main(int argc, char** argv) {
Beware of reading from buffered FILE* objects such as stdin. Use
raw file descriptors or call fopen() / fdopen() in every pass. */
read(0, buf, 100);
len = read(0, buf, 100);
/* STEP 3: This is where we'd call the tested library on the read data.
We just have some trivial inline code that faults on 'foo!'. */
/* do we have enough data? */
if (len < 4)
return 0;
if (buf[0] == 'f') {
printf("one\n");
if (buf[1] == 'o') {