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linux-sgx: Use non-destructive modes for opening files using SGX IPFS (#1645)

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Refer to https://github.com/bytecodealliance/wasm-micro-runtime/pull/1645
This commit is contained in:
Jämes Ménétrey
2022-10-27 06:21:30 +02:00
committed by GitHub
parent 15d645476a
commit 264fdfafed
2 changed files with 26 additions and 12 deletions
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21
samples/file/wasm-app/main.c
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@ -26,6 +26,7 @@ main(int argc, char **argv)
const char *text = FILE_TEXT;
char buffer[1000];
int ret;
long long stat_size;
// Test: File opening (fopen)
printf("Opening a file..\n");
@ -114,18 +115,26 @@ main(int argc, char **argv)
assert(ftell(file) == strlen(text) + 2 * ADDITIONAL_SPACE);
printf("[Test] Extension of the file size passed.\n");
// Display some debug information
printf("Getting the size of the file on disk..\n");
struct stat st;
stat(PATH_TEST_FILE, &st);
stat_size = st.st_size;
assert(stat_size != 0);
// Compare with the size from fstat
fstat(fileno(file), &st);
printf("The file size is: %lld (stat), %lld (fstat).\n", stat_size,
st.st_size);
assert(stat_size != 0);
assert(stat_size == st.st_size);
// Test: closing the file (fclose)
printf("Closing from the file..\n");
ret = fclose(file);
assert(ret == 0);
printf("[Test] Closing file passed.\n");
// Display some debug information
printf("Getting the size of the file on disk..\n");
struct stat st;
stat(PATH_TEST_FILE, &st);
printf("The file size is %lld.\n", st.st_size);
printf("All the tests passed!\n");
return 0;