1570af302Sopenharmony_ci// commit 3af2edee150484940916eba1984f78c3b965dd05 2014-02-07 2570af302Sopenharmony_ci// fix ftello result for append streams with unflushed output 3570af302Sopenharmony_ci#include <errno.h> 4570af302Sopenharmony_ci#include <fcntl.h> 5570af302Sopenharmony_ci#include <stdio.h> 6570af302Sopenharmony_ci#include <stdlib.h> 7570af302Sopenharmony_ci#include <string.h> 8570af302Sopenharmony_ci#include <unistd.h> 9570af302Sopenharmony_ci#include "test.h" 10570af302Sopenharmony_ci 11570af302Sopenharmony_ci#define ASSERT(c) do { \ 12570af302Sopenharmony_ci errno = 0; \ 13570af302Sopenharmony_ci if (!(c)) \ 14570af302Sopenharmony_ci t_error("%s failed (errno: %s)\n", #c, strerror(errno)); \ 15570af302Sopenharmony_ci} while(0) 16570af302Sopenharmony_ci 17570af302Sopenharmony_ciint main(void) 18570af302Sopenharmony_ci{ 19570af302Sopenharmony_ci char tmp[] = "/data/local/tmp/testsuite-XXXXXX"; 20570af302Sopenharmony_ci int fd; 21570af302Sopenharmony_ci FILE *f; 22570af302Sopenharmony_ci off_t off; 23570af302Sopenharmony_ci 24570af302Sopenharmony_ci ASSERT((fd = mkstemp(tmp)) > 2); 25570af302Sopenharmony_ci ASSERT(write(fd, "abcd", 4) == 4); 26570af302Sopenharmony_ci ASSERT(close(fd) == 0); 27570af302Sopenharmony_ci 28570af302Sopenharmony_ci ASSERT((fd = open(tmp, O_WRONLY)) > 2); 29570af302Sopenharmony_ci ASSERT(f = fdopen(fd, "a")); 30570af302Sopenharmony_ci if (f) { 31570af302Sopenharmony_ci ASSERT(fwrite("efg", 1, 3, f) == 3); 32570af302Sopenharmony_ci ASSERT((off = ftello(f)) != -1); 33570af302Sopenharmony_ci if (off != 7) 34570af302Sopenharmony_ci t_error("ftello is broken before flush: got %lld, want 7\n", (long long)off); 35570af302Sopenharmony_ci ASSERT(fflush(f) == 0); 36570af302Sopenharmony_ci ASSERT((off = ftello(f)) != -1); 37570af302Sopenharmony_ci if (off != 7) 38570af302Sopenharmony_ci t_error("ftello is broken after flush: got %lld, want 7\n", (long long)off); 39570af302Sopenharmony_ci ASSERT(fclose(f) == 0); 40570af302Sopenharmony_ci } 41570af302Sopenharmony_ci if (fd > 2) 42570af302Sopenharmony_ci ASSERT(unlink(tmp) == 0); 43570af302Sopenharmony_ci return t_status; 44570af302Sopenharmony_ci} 45