diff options
author | Theo de Raadt <deraadt@cvs.openbsd.org> | 2002-06-17 07:06:40 +0000 |
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committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 2002-06-17 07:06:40 +0000 |
commit | ef41ea1998d7c91c32cf5a8dea8671253a9d8de7 (patch) | |
tree | bcd70d3088edbdc994849899ecbcaa53ac45af06 /usr.bin/lndir/lndir.c | |
parent | f728d495ce54d8e64392f0c511d610724218a83a (diff) |
KNF
Diffstat (limited to 'usr.bin/lndir/lndir.c')
-rw-r--r-- | usr.bin/lndir/lndir.c | 389 |
1 files changed, 193 insertions, 196 deletions
diff --git a/usr.bin/lndir/lndir.c b/usr.bin/lndir/lndir.c index 84a9db47216..10218330093 100644 --- a/usr.bin/lndir/lndir.c +++ b/usr.bin/lndir/lndir.c @@ -1,4 +1,4 @@ -/* $OpenBSD: lndir.c,v 1.9 2002/05/29 18:33:39 deraadt Exp $ */ +/* $OpenBSD: lndir.c,v 1.10 2002/06/17 07:06:39 deraadt Exp $ */ /* $XConsortium: lndir.c /main/15 1995/08/30 10:56:18 gildea $ */ /* @@ -42,9 +42,9 @@ in this Software without prior written authorization from the X Consortium. If your master sources are located in /usr/local/src/X and you would like your link tree to be in /usr/local/src/new-X, do the following: - % mkdir /usr/local/src/new-X + % mkdir /usr/local/src/new-X % cd /usr/local/src/new-X - % lndir ../X + % lndir ../X */ #include <stdio.h> @@ -80,91 +80,85 @@ struct except { struct except *exceptions = (struct except *)NULL; int -main (argc, argv) - int argc; - char **argv; +main(int argc, char *argv[]) { - char *fn, *tn; struct stat fs, ts; + char *fn, *tn; + + while (++argv, --argc) { + if ((strcmp(*argv, "-silent") == 0) || + (strcmp(*argv, "-s") == 0)) + silent = 1; + else if ((strcmp(*argv, "-ignorelinks") == 0) || + (strcmp(*argv, "-i") == 0)) + ignore_links = 1; + else if (strcmp(*argv, "-e") == 0) { + ++argv, --argc; + + if (argc < 2) + usage(); + addexcept(*argv); + } else if (strcmp(*argv, "--") == 0) { + ++argv, --argc; + break; + } else + break; + } - while (++argv, --argc) { - if ((strcmp(*argv, "-silent") == 0) - || (strcmp(*argv, "-s") == 0)) - silent = 1; - else if ((strcmp(*argv, "-ignorelinks") == 0) - || (strcmp(*argv, "-i") == 0)) - ignore_links = 1; - else if (strcmp(*argv, "-e") == 0) { - ++argv, --argc; - - if (argc < 2) - usage(); - addexcept(*argv); - } else if (strcmp(*argv, "--") == 0) { - ++argv, --argc; - break; - } else - break; - } - - - if (argc < 1 || argc > 2) - usage(); - - fn = argv[0]; - if (argc == 2) - tn = argv[1]; - else - tn = "."; - - /* to directory */ - if (stat(tn, &ts) < 0) - err(1, "%s", tn); - if (!(S_ISDIR(ts.st_mode))) - errx(2, "%s: %s", tn, strerror(ENOTDIR)); - if (chdir(tn) < 0) - err(1, "%s", tn); - - /* from directory */ - if (stat(fn, &fs) < 0) - err(1, "%s", fn); - if (!(S_ISDIR(fs.st_mode))) - err(2, "%s: %s", fn, strerror(ENOTDIR)); - - exit(dodir (fn, &fs, &ts, 0)); + if (argc < 1 || argc > 2) + usage(); + + fn = argv[0]; + if (argc == 2) + tn = argv[1]; + else + tn = "."; + + /* to directory */ + if (stat(tn, &ts) < 0) + err(1, "%s", tn); + if (!(S_ISDIR(ts.st_mode))) + errx(2, "%s: %s", tn, strerror(ENOTDIR)); + if (chdir(tn) < 0) + err(1, "%s", tn); + + /* from directory */ + if (stat(fn, &fs) < 0) + err(1, "%s", fn); + if (!(S_ISDIR(fs.st_mode))) + err(2, "%s: %s", fn, strerror(ENOTDIR)); + + exit(dodir(fn, &fs, &ts, 0)); } int -equivalent(lname, rname) - char *lname; - char *rname; +equivalent(char *lname, char *rname) { - char *s; - - if (!strcmp(lname, rname)) - return(1); - for (s = lname; *s && (s = strchr(s, '/')); s++) { - while (s[1] == '/') - strcpy(s+1, s+2); - } - return(!strcmp(lname, rname)); + char *s; + + if (!strcmp(lname, rname)) + return(1); + for (s = lname; *s && (s = strchr(s, '/')); s++) { + while (s[1] == '/') + strcpy(s+1, s+2); + } + return(!strcmp(lname, rname)); } void -addexcept(name) - char *name; +addexcept(char *name) { - struct except *new; - - new = (struct except *)malloc(sizeof(struct except)); - if (new == (struct except *)NULL) - err(1, "addexcept"); - new->name = strdup(name); - if (new->name == (char *)NULL) - err(1, "addexcept"); - - new->next = exceptions; - exceptions = new; + struct except *new; + + new = (struct except *)malloc(sizeof(struct except)); + if (new == (struct except *)NULL) + err(1, "addexcept"); + new->name = strdup(name); + if (new->name == (char *)NULL) + err(1, "addexcept"); + + new->next = exceptions; + exceptions = new; } @@ -172,143 +166,146 @@ addexcept(name) * Recursively create symbolic links from the current directory to the "from" * directory. Assumes that files described by fs and ts are directories. */ -int -dodir(fn, fs, ts, rel) +#if 0 char *fn; /* name of "from" directory, either absolute or relative to cwd */ struct stat *fs, *ts; /* stats for the "from" directory and cwd */ int rel; /* if true, prepend "../" to fn before using */ +#endif +int +dodir(char *fn, struct stat *fs, struct stat *ts, int rel) { - DIR *df; - struct dirent *dp; - char buf[MAXPATHLEN + 1], *p; - char symbuf[MAXPATHLEN + 1]; - char basesym[MAXPATHLEN + 1]; - struct stat sb, sc; - int n_dirs; - int symlen; - int basesymlen = -1; - char *ocurdir; - struct except *cur; - - if ((fs->st_dev == ts->st_dev) && (fs->st_ino == ts->st_ino)) { - warn("%s: From and to directories are identical!", fn); - return(1); - } - - if (rel) - strcpy(buf, "../"); - else - buf[0] = '\0'; - strlcat(buf, fn, sizeof buf); + char buf[MAXPATHLEN + 1], symbuf[MAXPATHLEN + 1], basesym[MAXPATHLEN + 1]; + int n_dirs, symlen, basesymlen = -1; + struct stat sb, sc; + struct except *cur; + struct dirent *dp; + char *ocurdir, *p; + DIR *df; + + if (fs->st_dev == ts->st_dev && fs->st_ino == ts->st_ino) { + warn("%s: From and to directories are identical!", fn); + return(1); + } + + if (rel) + strlcpy(buf, "../", sizeof buf); + else + buf[0] = '\0'; + strlcat(buf, fn, sizeof buf); - if (!(df = opendir(buf))) { - warn("%s: Cannot opendir", buf); - return(1); - } - - p = buf + strlen(buf); - *p++ = '/'; - n_dirs = fs->st_nlink; - while ((dp = readdir(df))) { - if (dp->d_name[strlen(dp->d_name) - 1] == '~') - continue; - for (cur = exceptions; cur != (struct except *)NULL; - cur = cur->next) { - if (!strcmp (dp->d_name, cur->name)) - goto next; /* can't continue */ + if (!(df = opendir(buf))) { + warn("%s: Cannot opendir", buf); + return(1); } - strcpy(p, dp->d_name); - - if (n_dirs > 0) { - if (stat(buf, &sb) < 0) { - warn("%s", buf); - continue; - } - - if (S_ISDIR(sb.st_mode)) { - /* directory */ - n_dirs--; - if (dp->d_name[0] == '.' && - (dp->d_name[1] == '\0' || (dp->d_name[1] == '.' && - dp->d_name[2] == '\0'))) - continue; - if (!strcmp(dp->d_name, "RCS")) - continue; - if (!strcmp(dp->d_name, "SCCS")) - continue; - if (!strcmp(dp->d_name, "CVS")) - continue; - if (!strcmp(dp->d_name, "CVS.adm")) - continue; - ocurdir = rcurdir; - rcurdir = buf; - curdir = silent ? buf : NULL; - if (!silent) - printf("%s:\n", buf); - if ((stat(dp->d_name, &sc) < 0) && (errno == ENOENT)) { - if (mkdir(dp->d_name, 0777) < 0 || - stat(dp->d_name, &sc) < 0) { - warn("%s", dp->d_name); - curdir = rcurdir = ocurdir; + + p = buf + strlen(buf); + *p++ = '/'; + n_dirs = fs->st_nlink; + while ((dp = readdir(df))) { + if (dp->d_name[strlen(dp->d_name) - 1] == '~') continue; - } + for (cur = exceptions; cur != (struct except *)NULL; + cur = cur->next) { + if (!strcmp (dp->d_name, cur->name)) + goto next; /* can't continue */ } - if (readlink(dp->d_name, symbuf, sizeof(symbuf) - 1) >= 0) { - (void)fprintf(stderr, "%s: is a link instead of a directory\n", - dp->d_name); - curdir = rcurdir = ocurdir; - continue; + strcpy(p, dp->d_name); + + if (n_dirs > 0) { + if (stat(buf, &sb) < 0) { + warn("%s", buf); + continue; + } + + if (S_ISDIR(sb.st_mode)) { + /* directory */ + n_dirs--; + if (dp->d_name[0] == '.' && + (dp->d_name[1] == '\0' || (dp->d_name[1] == '.' && + dp->d_name[2] == '\0'))) + continue; + if (!strcmp(dp->d_name, "RCS")) + continue; + if (!strcmp(dp->d_name, "SCCS")) + continue; + if (!strcmp(dp->d_name, "CVS")) + continue; + if (!strcmp(dp->d_name, "CVS.adm")) + continue; + ocurdir = rcurdir; + rcurdir = buf; + curdir = silent ? buf : NULL; + if (!silent) + printf("%s:\n", buf); + if (stat(dp->d_name, &sc) < 0 && errno == ENOENT) { + if (mkdir(dp->d_name, 0777) < 0 || + stat(dp->d_name, &sc) < 0) { + warn("%s", dp->d_name); + curdir = rcurdir = ocurdir; + continue; + } + } + if (readlink(dp->d_name, symbuf, + sizeof(symbuf) - 1) >= 0) { + fprintf(stderr, + "%s: is a link instead of a directory\n", + dp->d_name); + curdir = rcurdir = ocurdir; + continue; + } + if (chdir(dp->d_name) < 0) { + warn("%s", dp->d_name); + curdir = rcurdir = ocurdir; + continue; + } + dodir(buf, &sb, &sc, (buf[0] != '/')); + if (chdir("..") < 0) + err(1, ".."); + curdir = rcurdir = ocurdir; + continue; + } } - if (chdir(dp->d_name) < 0) { - warn("%s", dp->d_name); - curdir = rcurdir = ocurdir; - continue; - } - dodir(buf, &sb, &sc, (buf[0] != '/')); - if (chdir ("..") < 0) - err (1, ".."); - curdir = rcurdir = ocurdir; - continue; - } - } - /* non-directory */ - symlen = readlink(dp->d_name, symbuf, sizeof(symbuf) - 1); - if (symlen >= 0) - symbuf[symlen] = '\0'; - - /* - * The option to ignore links exists mostly because - * checking for them slows us down by 10-20%. - * But it is off by default because this really is a useful check. - */ - if (!ignore_links) { - /* see if the file in the base tree was a symlink */ - basesymlen = readlink(buf, basesym, sizeof(basesym) - 1); - if (basesymlen >= 0) - basesym[basesymlen] = '\0'; - } + /* non-directory */ + symlen = readlink(dp->d_name, symbuf, sizeof(symbuf) - 1); + if (symlen >= 0) + symbuf[symlen] = '\0'; + + /* + * The option to ignore links exists mostly because + * checking for them slows us down by 10-20%. + * But it is off by default because this really is a useful check. + */ + if (!ignore_links) { + /* see if the file in the base tree was a symlink */ + basesymlen = readlink(buf, basesym, sizeof(basesym) - 1); + if (basesymlen >= 0) + basesym[basesymlen] = '\0'; + } - if (symlen >= 0) { - /* Link exists in new tree. Print message if it doesn't match. */ - if (!equivalent(basesymlen>=0 ? basesym : buf, symbuf)) - (void)fprintf(stderr,"%s: %s\n", dp->d_name, symbuf); - } else { - if (symlink(basesymlen>=0 ? basesym : buf, dp->d_name) < 0) - warn("%s", dp->d_name); - } + if (symlen >= 0) { + /* + * Link exists in new tree. Print message if + * it doesn't match. + */ + if (!equivalent(basesymlen>=0 ? basesym : buf, symbuf)) + fprintf(stderr,"%s: %s\n", dp->d_name, symbuf); + } else { + if (symlink(basesymlen>=0 ? basesym : buf, dp->d_name) < 0) + warn("%s", dp->d_name); + } next: - } + } - closedir(df); - return(0); + closedir(df); + return(0); } void -usage() +usage(void) { (void)fprintf(stderr, "usage: %s [-e except] [-si] fromdir todir\n", - __progname); + __progname); exit(1); } |