commit 973afcc40b52d71bfb1a1285806977fee9b843f6 Author: Nick Mathewson nickm@torproject.org Date: Fri Jun 29 09:34:37 2018 -0400
Move tor_get_avail_disk_space() to lib/fs --- src/common/compat.c | 40 ------------------------------------ src/lib/fs/freespace.c | 56 ++++++++++++++++++++++++++++++++++++++++++++++++++ src/lib/fs/include.am | 1 + 3 files changed, 57 insertions(+), 40 deletions(-)
diff --git a/src/common/compat.c b/src/common/compat.c index 63bf99de6..b0a0a302c 100644 --- a/src/common/compat.c +++ b/src/common/compat.c @@ -547,43 +547,3 @@ tor_getpass(const char *prompt, char *output, size_t buflen) #error "No implementation for tor_getpass found!" #endif /* defined(HAVE_READPASSPHRASE) || ... */ } - -/** Return the amount of free disk space we have permission to use, in - * bytes. Return -1 if the amount of free space can't be determined. */ -int64_t -tor_get_avail_disk_space(const char *path) -{ -#ifdef HAVE_STATVFS - struct statvfs st; - int r; - memset(&st, 0, sizeof(st)); - - r = statvfs(path, &st); - if (r < 0) - return -1; - - int64_t result = st.f_bavail; - if (st.f_frsize) { - result *= st.f_frsize; - } else if (st.f_bsize) { - result *= st.f_bsize; - } else { - return -1; - } - - return result; -#elif defined(_WIN32) - ULARGE_INTEGER freeBytesAvail; - BOOL ok; - - ok = GetDiskFreeSpaceEx(path, &freeBytesAvail, NULL, NULL); - if (!ok) { - return -1; - } - return (int64_t)freeBytesAvail.QuadPart; -#else - (void)path; - errno = ENOSYS; - return -1; -#endif /* defined(HAVE_STATVFS) || ... */ -} diff --git a/src/lib/fs/freespace.c b/src/lib/fs/freespace.c new file mode 100644 index 000000000..926b17dbd --- /dev/null +++ b/src/lib/fs/freespace.c @@ -0,0 +1,56 @@ +/* Copyright (c) 2003-2004, Roger Dingledine + * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson. + * Copyright (c) 2007-2018, The Tor Project, Inc. */ +/* See LICENSE for licensing information */ + +#include "lib/fs/files.h" +#include "lib/cc/torint.h" + +#ifdef HAVE_SYS_STATVFS_H +#include <sys/statvfs.h> +#endif +#ifdef _WIN32 +#include <windows.h> +#endif + +#include <string.h> + +/** Return the amount of free disk space we have permission to use, in + * bytes. Return -1 if the amount of free space can't be determined. */ +int64_t +tor_get_avail_disk_space(const char *path) +{ +#ifdef HAVE_STATVFS + struct statvfs st; + int r; + memset(&st, 0, sizeof(st)); + + r = statvfs(path, &st); + if (r < 0) + return -1; + + int64_t result = st.f_bavail; + if (st.f_frsize) { + result *= st.f_frsize; + } else if (st.f_bsize) { + result *= st.f_bsize; + } else { + return -1; + } + + return result; +#elif defined(_WIN32) + ULARGE_INTEGER freeBytesAvail; + BOOL ok; + + ok = GetDiskFreeSpaceEx(path, &freeBytesAvail, NULL, NULL); + if (!ok) { + return -1; + } + return (int64_t)freeBytesAvail.QuadPart; +#else + (void)path; + errno = ENOSYS; + return -1; +#endif /* defined(HAVE_STATVFS) || ... */ +} diff --git a/src/lib/fs/include.am b/src/lib/fs/include.am index a025eb81c..f33e4d643 100644 --- a/src/lib/fs/include.am +++ b/src/lib/fs/include.am @@ -9,6 +9,7 @@ src_lib_libtor_fs_a_SOURCES = \ src/lib/fs/conffile.c \ src/lib/fs/dir.c \ src/lib/fs/files.c \ + src/lib/fs/freespace.c \ src/lib/fs/lockfile.c \ src/lib/fs/mmap.c \ src/lib/fs/path.c \