diff options
author | bdrewery <bdrewery@FreeBSD.org> | 2015-06-08 19:24:18 +0000 |
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committer | bdrewery <bdrewery@FreeBSD.org> | 2015-06-08 19:24:18 +0000 |
commit | 70ea701e5372ca5379962b572d577db3624ff317 (patch) | |
tree | b2f0d4fa3833ad301604f94425e31c4824a1f525 /bin/cp/utils.c | |
parent | 02d6f9793e77d31210bea137c2f400f4acb5ee8c (diff) | |
download | FreeBSD-src-70ea701e5372ca5379962b572d577db3624ff317.zip FreeBSD-src-70ea701e5372ca5379962b572d577db3624ff317.tar.gz |
Cleanup some style(9) issues.
- Whitespace.
- Comments.
- Wrap long lines.
MFC after: 2 weeks
X-MFC-with: r284105,r284106
Sponsored by: EMC / Isilon Storage Division
Diffstat (limited to 'bin/cp/utils.c')
-rw-r--r-- | bin/cp/utils.c | 67 |
1 files changed, 38 insertions, 29 deletions
diff --git a/bin/cp/utils.c b/bin/cp/utils.c index a383713..11a3568 100644 --- a/bin/cp/utils.c +++ b/bin/cp/utils.c @@ -57,15 +57,19 @@ __FBSDID("$FreeBSD$"); #define cp_pct(x, y) ((y == 0) ? 0 : (int)(100.0 * (x) / (y))) -/* Memory strategy threshold, in pages: if physmem is larger then this, use a - * large buffer */ +/* + * Memory strategy threshold, in pages: if physmem is larger then this, use a + * large buffer. + */ #define PHYSPAGES_THRESHOLD (32*1024) -/* Maximum buffer size in bytes - do not allow it to grow larger than this */ +/* Maximum buffer size in bytes - do not allow it to grow larger than this. */ #define BUFSIZE_MAX (2*1024*1024) -/* Small (default) buffer size in bytes. It's inefficient for this to be - * smaller than MAXPHYS */ +/* + * Small (default) buffer size in bytes. It's inefficient for this to be + * smaller than MAXPHYS. + */ #define BUFSIZE_SMALL (MAXPHYS) int @@ -109,7 +113,7 @@ copy_file(const FTSENT *entp, int dne) goto done; } else if (iflag) { (void)fprintf(stderr, "overwrite %s? %s", - to.p_path, YESNO); + to.p_path, YESNO); checkch = ch = getchar(); while (ch != '\n' && ch != EOF) ch = getchar(); @@ -119,24 +123,27 @@ copy_file(const FTSENT *entp, int dne) goto done; } } - + if (fflag) { - /* remove existing destination file name, - * create a new file */ - (void)unlink(to.p_path); - if (!lflag && !sflag) { - to_fd = open(to.p_path, O_WRONLY | O_TRUNC | O_CREAT, - fs->st_mode & ~(S_ISUID | S_ISGID)); - } + /* + * Remove existing destination file name create a new + * file. + */ + (void)unlink(to.p_path); + if (!lflag && !sflag) { + to_fd = open(to.p_path, + O_WRONLY | O_TRUNC | O_CREAT, + fs->st_mode & ~(S_ISUID | S_ISGID)); + } } else if (!lflag && !sflag) { - /* overwrite existing destination file name */ + /* Overwrite existing destination file name. */ to_fd = open(to.p_path, O_WRONLY | O_TRUNC, 0); } } else if (!lflag && !sflag) { to_fd = open(to.p_path, O_WRONLY | O_TRUNC | O_CREAT, fs->st_mode & ~(S_ISUID | S_ISGID)); } - + if (!lflag && !sflag && to_fd == -1) { warn("%s", to.p_path); rval = 1; @@ -147,20 +154,20 @@ copy_file(const FTSENT *entp, int dne) if (!lflag && !sflag) { /* - * Mmap and write if less than 8M (the limit is so we don't totally - * trash memory on big files. This is really a minor hack, but it - * wins some CPU back. + * Mmap and write if less than 8M (the limit is so we don't + * totally trash memory on big files. This is really a minor + * hack, but it wins some CPU back. * Some filesystems, such as smbnetfs, don't support mmap, * so this is a best-effort attempt. */ #ifdef VM_AND_BUFFER_CACHE_SYNCHRONIZED if (S_ISREG(fs->st_mode) && fs->st_size > 0 && - fs->st_size <= 8 * 1024 * 1024 && + fs->st_size <= 8 * 1024 * 1024 && (p = mmap(NULL, (size_t)fs->st_size, PROT_READ, MAP_SHARED, from_fd, (off_t)0)) != MAP_FAILED) { wtotal = 0; for (bufp = p, wresid = fs->st_size; ; - bufp += wcount, wresid -= (size_t)wcount) { + bufp += wcount, wresid -= (size_t)wcount) { wcount = write(to_fd, bufp, wresid); if (wcount <= 0) break; @@ -205,7 +212,7 @@ copy_file(const FTSENT *entp, int dne) wtotal = 0; while ((rcount = read(from_fd, buf, bufsize)) > 0) { for (bufp = buf, wresid = rcount; ; - bufp += wcount, wresid -= wcount) { + bufp += wcount, wresid -= wcount) { wcount = write(to_fd, bufp, wresid); if (wcount <= 0) break; @@ -242,7 +249,7 @@ copy_file(const FTSENT *entp, int dne) rval = 1; } } - + /* * Don't remove the target even after an error. The target might * not be a regular file, or its attributes might be important, @@ -345,7 +352,7 @@ setfile(struct stat *fs, int fd) fdval = fd != -1; islink = !fdval && S_ISLNK(fs->st_mode); fs->st_mode &= S_ISUID | S_ISGID | S_ISVTX | - S_IRWXU | S_IRWXG | S_IRWXO; + S_IRWXU | S_IRWXG | S_IRWXO; tspec[0] = fs->st_atim; tspec[1] = fs->st_mtim; @@ -360,7 +367,7 @@ setfile(struct stat *fs, int fd) else { gotstat = 1; ts.st_mode &= S_ISUID | S_ISGID | S_ISVTX | - S_IRWXU | S_IRWXG | S_IRWXO; + S_IRWXU | S_IRWXG | S_IRWXO; } /* * Changing the ownership probably won't succeed, unless we're root @@ -484,7 +491,7 @@ preserve_dir_acls(struct stat *fs, char *source_dir, char *dest_dir) return (0); /* - * If the file is a link we will not follow it + * If the file is a link we will not follow it. */ if (S_ISLNK(fs->st_mode)) { aclgetf = acl_get_link_np; @@ -543,8 +550,10 @@ usage(void) { (void)fprintf(stderr, "%s\n%s\n", -"usage: cp [-R [-H | -L | -P]] [-f | -i | -n] [-alpsvx] source_file target_file", -" cp [-R [-H | -L | -P]] [-f | -i | -n] [-alpsvx] source_file ... " -"target_directory"); + "usage: cp [-R [-H | -L | -P]] [-f | -i | -n] [-alpsvx] " + "source_file target_file", + " cp [-R [-H | -L | -P]] [-f | -i | -n] [-alpsvx] " + "source_file ... " + "target_directory"); exit(EX_USAGE); } |