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author | Bram Moolenaar <Bram@vim.org> | 2017-11-16 17:03:45 +0100 |
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committer | Bram Moolenaar <Bram@vim.org> | 2017-11-16 17:03:45 +0100 |
commit | cd142e3369db8888163a511dbe9907bcd138829c (patch) | |
tree | da7a202c6d0d9c3074d285e229133855e7d8c298 /src/os_unix.c | |
parent | a42ad57e481d6ed9c34c80c99bd0512d4660515b (diff) | |
download | vim-git-8.0.1300.tar.gz |
patch 8.0.1300: file permissions may end up wrong when writingv8.0.1300
Problem: File permissions may end up wrong when writing.
Solution: Use fchmod() instead of chmod() when possible. Don't truncate
until we know we can change the file.
Diffstat (limited to 'src/os_unix.c')
-rw-r--r-- | src/os_unix.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/src/os_unix.c b/src/os_unix.c index a39caffe4..d2f080529 100644 --- a/src/os_unix.c +++ b/src/os_unix.c @@ -2725,9 +2725,8 @@ mch_getperm(char_u *name) } /* - * set file permission for 'name' to 'perm' - * - * return FAIL for failure, OK otherwise + * Set file permission for "name" to "perm". + * Return FAIL for failure, OK otherwise. */ int mch_setperm(char_u *name, long perm) @@ -2741,6 +2740,18 @@ mch_setperm(char_u *name, long perm) (mode_t)perm) == 0 ? OK : FAIL); } +#if defined(HAVE_FCHMOD) || defined(PROTO) +/* + * Set file permission for open file "fd" to "perm". + * Return FAIL for failure, OK otherwise. + */ + int +mch_fsetperm(int fd, long perm) +{ + return (fchmod(fd, (mode_t)perm) == 0 ? OK : FAIL); +} +#endif + #if defined(HAVE_ACL) || defined(PROTO) # ifdef HAVE_SYS_ACL_H # include <sys/acl.h> |