diff options
| -rw-r--r-- | usr.bin/xinstall/xinstall.c | 47 |
1 files changed, 39 insertions, 8 deletions
diff --git a/usr.bin/xinstall/xinstall.c b/usr.bin/xinstall/xinstall.c index ae2ab79..c4397a6 100644 --- a/usr.bin/xinstall/xinstall.c +++ b/usr.bin/xinstall/xinstall.c @@ -151,6 +151,7 @@ main(int argc, char *argv[]) char *p; const char *to_name; + fset = 0; iflags = 0; group = owner = NULL; while ((ch = getopt(argc, argv, "B:bCcD:df:g:h:l:M:m:N:o:pSsT:Uv")) != @@ -535,7 +536,9 @@ do_link(const char *from_name, const char *to_name, if (target_sb->st_flags & NOCHANGEBITS) (void)chflags(to_name, target_sb->st_flags & ~NOCHANGEBITS); - unlink(to_name); + if (verbose) + printf("install: link %s -> %s\n", + from_name, to_name); ret = rename(tmpl, to_name); /* * If rename has posix semantics, then the temporary @@ -545,8 +548,12 @@ do_link(const char *from_name, const char *to_name, (void)unlink(tmpl); } return (ret); - } else + } else { + if (verbose) + printf("install: link %s -> %s\n", + from_name, to_name); return (link(from_name, to_name)); + } } /* @@ -575,14 +582,18 @@ do_symlink(const char *from_name, const char *to_name, if (target_sb->st_flags & NOCHANGEBITS) (void)chflags(to_name, target_sb->st_flags & ~NOCHANGEBITS); - unlink(to_name); - + if (verbose) + printf("install: symlink %s -> %s\n", + from_name, to_name); if (rename(tmpl, to_name) == -1) { /* Remove temporary link before exiting. */ (void)unlink(tmpl); err(EX_OSERR, "%s: rename", to_name); } } else { + if (verbose) + printf("install: symlink %s -> %s\n", + from_name, to_name); if (symlink(from_name, to_name) == -1) err(EX_OSERR, "symlink %s -> %s", from_name, to_name); } @@ -882,11 +893,21 @@ install(const char *from_name, const char *to_name, u_long fset, u_int flags) } if (verbose) (void)printf("install: %s -> %s\n", to_name, backup); - if (rename(to_name, backup) < 0) { + if (unlink(backup) < 0 && errno != ENOENT) { + serrno = errno; + if (to_sb.st_flags & NOCHANGEBITS) + (void)chflags(to_name, to_sb.st_flags); + unlink(tempfile); + errno = serrno; + err(EX_OSERR, "unlink: %s", backup); + } + if (link(to_name, backup) < 0) { serrno = errno; unlink(tempfile); + if (to_sb.st_flags & NOCHANGEBITS) + (void)chflags(to_name, to_sb.st_flags); errno = serrno; - err(EX_OSERR, "rename: %s to %s", to_name, + err(EX_OSERR, "link: %s to %s", to_name, backup); } } @@ -1109,16 +1130,26 @@ create_newfile(const char *path, int target, struct stat *sbp) if (dobackup) { if ((size_t)snprintf(backup, MAXPATHLEN, "%s%s", - path, suffix) != strlen(path) + strlen(suffix)) + path, suffix) != strlen(path) + strlen(suffix)) { + saved_errno = errno; + if (sbp->st_flags & NOCHANGEBITS) + (void)chflags(path, sbp->st_flags); + errno = saved_errno; errx(EX_OSERR, "%s: backup filename too long", path); + } (void)snprintf(backup, MAXPATHLEN, "%s%s", path, suffix); if (verbose) (void)printf("install: %s -> %s\n", path, backup); - if (rename(path, backup) < 0) + if (rename(path, backup) < 0) { + saved_errno = errno; + if (sbp->st_flags & NOCHANGEBITS) + (void)chflags(path, sbp->st_flags); + errno = saved_errno; err(EX_OSERR, "rename: %s to %s", path, backup); + } } else if (unlink(path) < 0) saved_errno = errno; |
