diff options
Diffstat (limited to 'contrib/pg_upgrade/file.c')
| -rw-r--r-- | contrib/pg_upgrade/file.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/contrib/pg_upgrade/file.c b/contrib/pg_upgrade/file.c index bf1f8a0991d..ba2ec73ead6 100644 --- a/contrib/pg_upgrade/file.c +++ b/contrib/pg_upgrade/file.c @@ -136,16 +136,22 @@ copy_file(const char *srcfile, const char *dstfile, bool force) int save_errno = 0; if ((srcfile == NULL) || (dstfile == NULL)) + { + errno = EINVAL; return -1; + } if ((src_fd = open(srcfile, O_RDONLY, 0)) < 0) return -1; if ((dest_fd = open(dstfile, O_RDWR | O_CREAT | (force ? 0 : O_EXCL), S_IRUSR | S_IWUSR)) < 0) { + save_errno = errno; + if (src_fd != 0) close(src_fd); + errno = save_errno; return -1; } @@ -170,6 +176,9 @@ copy_file(const char *srcfile, const char *dstfile, bool force) if (write(dest_fd, buffer, nbytes) != nbytes) { + /* if write didn't set errno, assume problem is no disk space */ + if (errno == 0) + errno = ENOSPC; save_errno = errno; ret = -1; break; |