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emscripten/tests/fcntl-misc/src.c at universal-python · JavaScriptIOT/emscripten · GitHub

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#include <assert.h>

#include <stdio.h>

#include <errno.h>

#include <sys/stat.h>

#include <fcntl.h>

#include <string.h>

int main() {

struct stat s;

int f = open("/test", O_RDWR, 0777);

assert(f);

printf("posix_fadvise: %d\n", posix_fadvise(f, 3, 2, POSIX_FADV_DONTNEED));

printf("errno: %d\n", errno);

printf("\n");

errno = 0;

printf("posix_fallocate: %d\n", posix_fallocate(f, 3, 2));

printf("errno: %d\n", errno);

stat("/test", &s);

printf("st_size: %d\n", s.st_size);

memset(&s, 0, sizeof s);

printf("\n");

errno = 0;

printf("posix_fallocate2: %d\n", posix_fallocate(f, 3, 7));

printf("errno: %d\n", errno);

stat("/test", &s);

printf("st_size: %d\n", s.st_size);

memset(&s, 0, sizeof s);

return 0;

}

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