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| author | jeremy@chromium.org <jeremy@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2009-01-27 19:08:39 +0000 |
|---|---|---|
| committer | jeremy@chromium.org <jeremy@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2009-01-27 19:08:39 +0000 |
| commit | c2c998ce396ec7fd77d8e1277afb3f029f859341 (patch) | |
| tree | 493fc8e08610c67c72ce2df6d0f1ddefcf53974d /base/file_util.cc | |
| parent | bd05da2be472b05c290261fbf99a4a3673982a7f (diff) | |
| download | chromium_src-c2c998ce396ec7fd77d8e1277afb3f029f859341.zip chromium_src-c2c998ce396ec7fd77d8e1277afb3f029f859341.tar.gz chromium_src-c2c998ce396ec7fd77d8e1277afb3f029f859341.tar.bz2 | |
Roll forward 8722,8721
Review URL: http://codereview.chromium.org/19028
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@8734 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'base/file_util.cc')
| -rw-r--r-- | base/file_util.cc | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/base/file_util.cc b/base/file_util.cc index 078e3afa..8ecb1cc 100644 --- a/base/file_util.cc +++ b/base/file_util.cc @@ -4,6 +4,9 @@ #include "base/file_util.h" +#if defined(OS_WIN) +#include <io.h> +#endif #include <stdio.h> #include <fstream> @@ -276,6 +279,24 @@ bool CloseFile(FILE* file) { return fclose(file) == 0; } +bool TruncateFile(FILE* file) { + if (file == NULL) + return false; + long current_offset = ftell(file); + if (current_offset == -1) + return false; +#if defined(OS_WIN) + int fd = _fileno(file); + if (_chsize(fd, current_offset) != 0) + return false; +#else + int fd = fileno(file); + if (ftruncate(fd, current_offset) != 0) + return false; +#endif + return true; +} + bool ContainsPath(const FilePath &parent, const FilePath& child) { FilePath abs_parent = FilePath(parent); FilePath abs_child = FilePath(child); |