-/* Copyright (C) 2001 Red Hat, Inc.
-
- Written by Jakub Jelinek <jakub@redhat.com>.
-
- This program is free software; you can redistribute it and/or
- modify it under the terms of the GNU General Public License as
- published by the Free Software Foundation; either version 2 of the
- License, or (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software Foundation,
- Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */
-
-/* Changes by Rémy Card to use constants and add option -n. */
-/* Changes by Jindrich Novy to add option -h, -f, replace mmap(2), fix overflows */
-/* Changes by Travers Carter to make atomic hardlinking */
-/* Changes by Todd Lewis that adds option -x to exclude files with pcre lib */
+/*
+ * hardlink - consolidate duplicate files via hardlinks
+ *
+ * Copyright (C) 2018 Red Hat, Inc. All rights reserved.
+ * Written by Jakub Jelinek <jakub@redhat.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it would be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
#define _GNU_SOURCE
#include <sys/types.h>
# include <pcre2.h>
#endif
-#define NHASH (1<<17) /* Must be a power of 2! */
-#define NIOBUF (1<<12)
-#define NAMELEN 4096
-#define NBUF 64
+#define NHASH (1<<17) /* Must be a power of 2! */
+#define NIOBUF (1<<12)
+#define NAMELEN 4096
+#define NBUF 64
#ifdef HAVE_PCRE
pcre2_code *re;
struct _f;
typedef struct _h {
- struct _h *next;
- struct _f *chain;
- off_t size;
- time_t mtime;
+ struct _h *next;
+ struct _f *chain;
+ off_t size;
+ time_t mtime;
} h;
typedef struct _d {
- struct _d *next;
- char name[0];
+ struct _d *next;
+ char name[0];
} d;
d *dirs;
int force = 0;
typedef struct _f {
- struct _f *next;
- ino_t ino;
- dev_t dev;
- unsigned int cksum;
- char name[0];
+ struct _f *next;
+ ino_t ino;
+ dev_t dev;
+ unsigned int cksum;
+ char name[0];
} f;
-__attribute__((always_inline)) inline unsigned int hash(off_t size, time_t mtime)
+__attribute__ ((always_inline))
+inline unsigned int hash(off_t size, time_t mtime)
{
- return (size ^ mtime) & (NHASH - 1);
+ return (size ^ mtime) & (NHASH - 1);
}
-__attribute__((always_inline)) inline int stcmp(struct stat *st1, struct stat *st2, int content_only)
+__attribute__ ((always_inline))
+inline int stcmp(struct stat *st1, struct stat *st2, int content_only)
{
- if (content_only)
- return st1->st_size != st2->st_size;
- return st1->st_mode != st2->st_mode || st1->st_uid != st2->st_uid ||
- st1->st_gid != st2->st_gid || st1->st_size != st2->st_size ||
- st1->st_mtime != st2->st_mtime;
+ if (content_only)
+ return st1->st_size != st2->st_size;
+ return st1->st_mode != st2->st_mode || st1->st_uid != st2->st_uid ||
+ st1->st_gid != st2->st_gid || st1->st_size != st2->st_size ||
+ st1->st_mtime != st2->st_mtime;
}
long long ndirs, nobjects, nregfiles, ncomp, nlinks, nsaved;
void doexit(int i)
{
- if (verbose) {
- fprintf(stderr, "\n\n");
- fprintf(stderr, "Directories %lld\n", ndirs);
- fprintf(stderr, "Objects %lld\n", nobjects);
- fprintf(stderr, "IFREG %lld\n", nregfiles);
- fprintf(stderr, "Comparisons %lld\n", ncomp);
- fprintf(stderr, "%s %lld\n", (no_link ? "Would link" : "Linked"), nlinks);
- fprintf(stderr, "%s %lld\n", (no_link ? "Would save" : "saved"), nsaved);
- }
- exit(i);
+ if (verbose) {
+ fprintf(stderr, "\n\n");
+ fprintf(stderr, "Directories %lld\n", ndirs);
+ fprintf(stderr, "Objects %lld\n", nobjects);
+ fprintf(stderr, "IFREG %lld\n", nregfiles);
+ fprintf(stderr, "Comparisons %lld\n", ncomp);
+ fprintf(stderr, "%s %lld\n",
+ (no_link ? "Would link" : "Linked"), nlinks);
+ fprintf(stderr, "%s %lld\n", (no_link ? "Would save" : "saved"),
+ nsaved);
+ }
+ exit(i);
}
void usage(char *prog)
{
- fprintf (stderr, "Usage: %s [-cnvhf] [-x pat] directories...\n", prog);
- fprintf (stderr, " -c When finding candidates for linking, compare only file contents.\n");
- fprintf (stderr, " -n Don't actually link anything, just report what would be done.\n");
- fprintf (stderr, " -v Print summary after hardlinking.\n");
- fprintf (stderr, " -vv Print every hardlinked file and bytes saved + summary.\n");
- fprintf (stderr, " -f Force hardlinking across filesystems.\n");
- fprintf (stderr, " -x pat Exclude files matching pattern.\n");
- fprintf (stderr, " -h Show help.\n");
- exit(255);
+ fprintf(stderr, "Usage: %s [-cnvhf] [-x pat] directories...\n", prog);
+ fprintf(stderr,
+ " -c When finding candidates for linking, compare only file contents.\n");
+ fprintf(stderr,
+ " -n Don't actually link anything, just report what would be done.\n");
+ fprintf(stderr, " -v Print summary after hardlinking.\n");
+ fprintf(stderr,
+ " -vv Print every hardlinked file and bytes saved + summary.\n");
+ fprintf(stderr, " -f Force hardlinking across filesystems.\n");
+ fprintf(stderr, " -x pat Exclude files matching pattern.\n");
+ fprintf(stderr, " -h Show help.\n");
+ exit(255);
}
unsigned int buf[NBUF];
char iobuf1[NIOBUF], iobuf2[NIOBUF];
-__attribute__((always_inline)) inline size_t add2(size_t a, size_t b)
+__attribute__ ((always_inline))
+inline size_t add2(size_t a, size_t b)
{
- size_t sum = a + b;
- if (sum < a) {
- fprintf(stderr, "\nInteger overflow\n");
- doexit(5);
- }
- return sum;
+ size_t sum = a + b;
+ if (sum < a) {
+ fprintf(stderr, "\nInteger overflow\n");
+ doexit(5);
+ }
+ return sum;
}
-__attribute__((always_inline)) inline size_t add3(size_t a, size_t b, size_t c)
+__attribute__ ((always_inline))
+inline size_t add3(size_t a, size_t b, size_t c)
{
- return add2(add2(a, b), c);
+ return add2(add2(a, b), c);
}
typedef struct {
- char *buf;
- size_t alloc;
+ char *buf;
+ size_t alloc;
} dynstr;
-void growstr(dynstr *str, size_t newlen)
+void growstr(dynstr * str, size_t newlen)
{
- if (newlen < str->alloc)
- return;
- str->buf = realloc(str->buf, str->alloc = add2(newlen, 1));
- if (!str->buf) {
- fprintf(stderr, "\nOut of memory 4\n");
- doexit(4);
- }
+ if (newlen < str->alloc)
+ return;
+ str->buf = realloc(str->buf, str->alloc = add2(newlen, 1));
+ if (!str->buf) {
+ fprintf(stderr, "\nOut of memory 4\n");
+ doexit(4);
+ }
}
+
dev_t dev = 0;
-void rf (const char *name)
+void rf(const char *name)
{
- struct stat st, st2, st3;
- const size_t namelen = strlen(name);
- nobjects++;
- if (lstat (name, &st))
- return;
- if (st.st_dev != dev && !force) {
- if (dev) {
- fprintf(stderr, "%s is on different filesystem than the rest.\nUse -f option to override.\n", name);
- doexit(6);
- }
- dev = st.st_dev;
- }
- if (S_ISDIR (st.st_mode)) {
- d * dp = malloc(add3(sizeof(d), namelen, 1));
- if (!dp) {
- fprintf(stderr, "\nOut of memory 3\n");
- doexit(3);
- }
- memcpy(dp->name, name, namelen + 1);
- dp->next = dirs;
- dirs = dp;
- } else if (S_ISREG (st.st_mode)) {
- int fd, i;
- f * fp, * fp2;
- h * hp;
- const char *n1, *n2;
- int cksumsize = sizeof(buf);
- unsigned int cksum;
- time_t mtime = content_only ? 0 : st.st_mtime;
- unsigned int hsh = hash (st.st_size, mtime);
- off_t fsize;
- nregfiles++;
- if (verbose > 1)
- fprintf(stderr, " %s", name);
- fd = open (name, O_RDONLY);
- if (fd < 0) return;
- if (st.st_size < sizeof(buf)) {
- cksumsize = st.st_size;
- memset (((char *)buf) + cksumsize, 0, (sizeof(buf) - cksumsize) % sizeof(buf[0]));
- }
- if (read (fd, buf, cksumsize) != cksumsize) {
- close(fd);
- if (verbose > 1 && namelen <= NAMELEN)
- fprintf(stderr, "\r%*s\r", (int)(namelen + 2), "");
- return;
- }
- cksumsize = (cksumsize + sizeof(buf[0]) - 1) / sizeof(buf[0]);
- for (i = 0, cksum = 0; i < cksumsize; i++) {
- if (cksum + buf[i] < cksum)
- cksum += buf[i] + 1;
- else
- cksum += buf[i];
- }
- for (hp = hps[hsh]; hp; hp = hp->next)
- if (hp->size == st.st_size && hp->mtime == mtime)
- break;
- if (!hp) {
- hp = malloc(sizeof(h));
- if (!hp) {
- fprintf(stderr, "\nOut of memory 1\n");
- doexit(1);
- }
- hp->size = st.st_size;
- hp->mtime = mtime;
- hp->chain = NULL;
- hp->next = hps[hsh];
- hps[hsh] = hp;
- }
- for (fp = hp->chain; fp; fp = fp->next)
- if (fp->cksum == cksum)
- break;
- for (fp2 = fp; fp2 && fp2->cksum == cksum; fp2 = fp2->next)
- if (fp2->ino == st.st_ino && fp2->dev == st.st_dev) {
- close(fd);
- if (verbose > 1 && namelen <= NAMELEN)
- fprintf(stderr, "\r%*s\r", (int)(namelen + 2), "");
- return;
- }
- for (fp2 = fp; fp2 && fp2->cksum == cksum; fp2 = fp2->next)
- if (!lstat (fp2->name, &st2) && S_ISREG (st2.st_mode) &&
- !stcmp (&st, &st2, content_only) &&
- st2.st_ino != st.st_ino &&
- st2.st_dev == st.st_dev) {
- int fd2 = open (fp2->name, O_RDONLY);
- if (fd2 < 0) continue;
- if (fstat (fd2, &st2) || !S_ISREG (st2.st_mode) || st2.st_size == 0) {
- close (fd2);
- continue;
- }
- ncomp++;
- lseek(fd, 0, SEEK_SET);
- for (fsize = st.st_size; fsize > 0; fsize -= NIOBUF) {
- off_t rsize = fsize >= NIOBUF ? NIOBUF : fsize;
- if (read (fd, iobuf1, rsize) != rsize || read (fd2, iobuf2, rsize) != rsize) {
- close(fd);
- close(fd2);
- fprintf(stderr, "\nReading error\n");
- return;
- }
- if (memcmp (iobuf1, iobuf2, rsize)) break;
+ struct stat st, st2, st3;
+ const size_t namelen = strlen(name);
+ nobjects++;
+ if (lstat(name, &st))
+ return;
+ if (st.st_dev != dev && !force) {
+ if (dev) {
+ fprintf(stderr,
+ "%s is on different filesystem than the rest.\nUse -f option to override.\n",
+ name);
+ doexit(6);
+ }
+ dev = st.st_dev;
}
- close(fd2);
- if (fsize > 0) continue;
- if (lstat (name, &st3)) {
- fprintf(stderr, "\nCould not stat %s again\n", name);
- close(fd);
- return;
- }
- st3.st_atime = st.st_atime;
- if (stcmp (&st, &st3, 0)) {
- fprintf(stderr, "\nFile %s changed underneath us\n", name);
- close(fd);
- return;
- }
- n1 = fp2->name;
- n2 = name;
- if (!no_link) {
- const char *suffix = ".$$$___cleanit___$$$";
- const size_t suffixlen = strlen(suffix);
- size_t n2len = strlen(n2);
- dynstr nam2 = {NULL, 0};
- growstr(&nam2, add2(n2len, suffixlen));
- memcpy(nam2.buf, n2, n2len);
- memcpy(&nam2.buf[n2len], suffix, suffixlen + 1);
- /* First create a temporary link to n1 under a new name */
- if (link(n1, nam2.buf)) {
- fprintf(stderr, "\nFailed to hardlink %s to %s (create temporary link as %s failed - %s)\n", n1, n2, nam2.buf, strerror(errno));
- free(nam2.buf);
- continue;
- }
- /* Then rename into place over the existing n2 */
- if (rename (nam2.buf, n2)) {
- fprintf(stderr, "\nFailed to hardlink %s to %s (rename temporary link to %s failed - %s)\n", n1, n2, n2, strerror(errno));
- /* Something went wrong, try to remove the now redundant temporary link */
- if (unlink(nam2.buf)) {
- fprintf(stderr, "\nFailed to remove temporary link %s - %s\n", nam2.buf, strerror(errno));
- }
- free(nam2.buf);
- continue;
- }
- free(nam2.buf);
- }
- nlinks++;
- if (st3.st_nlink > 1) {
- /* We actually did not save anything this time, since the link second argument
- had some other links as well. */
- if (verbose > 1)
- fprintf(stderr, "\r%*s\r%s %s to %s\n", (int)(((namelen > NAMELEN) ? 0 : namelen) + 2), "", (no_link ? "Would link" : "Linked"), n1, n2);
- } else {
- nsaved+=((st.st_size+4095)/4096)*4096;
- if (verbose > 1)
- fprintf(stderr, "\r%*s\r%s %s to %s, %s %ld\n", (int)(((namelen > NAMELEN) ? 0 : namelen) + 2), "", (no_link ? "Would link" : "Linked"), n1, n2, (no_link ? "would save" : "saved"), st.st_size);
+ if (S_ISDIR(st.st_mode)) {
+ d *dp = malloc(add3(sizeof(d), namelen, 1));
+ if (!dp) {
+ fprintf(stderr, "\nOut of memory 3\n");
+ doexit(3);
+ }
+ memcpy(dp->name, name, namelen + 1);
+ dp->next = dirs;
+ dirs = dp;
+ } else if (S_ISREG(st.st_mode)) {
+ int fd, i;
+ f *fp, *fp2;
+ h *hp;
+ const char *n1, *n2;
+ int cksumsize = sizeof(buf);
+ unsigned int cksum;
+ time_t mtime = content_only ? 0 : st.st_mtime;
+ unsigned int hsh = hash(st.st_size, mtime);
+ off_t fsize;
+ nregfiles++;
+ if (verbose > 1)
+ fprintf(stderr, " %s", name);
+ fd = open(name, O_RDONLY);
+ if (fd < 0)
+ return;
+ if (st.st_size < sizeof(buf)) {
+ cksumsize = st.st_size;
+ memset(((char *)buf) + cksumsize, 0,
+ (sizeof(buf) - cksumsize) % sizeof(buf[0]));
+ }
+ if (read(fd, buf, cksumsize) != cksumsize) {
+ close(fd);
+ if (verbose > 1 && namelen <= NAMELEN)
+ fprintf(stderr, "\r%*s\r", (int)(namelen + 2),
+ "");
+ return;
+ }
+ cksumsize = (cksumsize + sizeof(buf[0]) - 1) / sizeof(buf[0]);
+ for (i = 0, cksum = 0; i < cksumsize; i++) {
+ if (cksum + buf[i] < cksum)
+ cksum += buf[i] + 1;
+ else
+ cksum += buf[i];
+ }
+ for (hp = hps[hsh]; hp; hp = hp->next)
+ if (hp->size == st.st_size && hp->mtime == mtime)
+ break;
+ if (!hp) {
+ hp = malloc(sizeof(h));
+ if (!hp) {
+ fprintf(stderr, "\nOut of memory 1\n");
+ doexit(1);
+ }
+ hp->size = st.st_size;
+ hp->mtime = mtime;
+ hp->chain = NULL;
+ hp->next = hps[hsh];
+ hps[hsh] = hp;
+ }
+ for (fp = hp->chain; fp; fp = fp->next)
+ if (fp->cksum == cksum)
+ break;
+ for (fp2 = fp; fp2 && fp2->cksum == cksum; fp2 = fp2->next)
+ if (fp2->ino == st.st_ino && fp2->dev == st.st_dev) {
+ close(fd);
+ if (verbose > 1 && namelen <= NAMELEN)
+ fprintf(stderr, "\r%*s\r",
+ (int)(namelen + 2), "");
+ return;
+ }
+ for (fp2 = fp; fp2 && fp2->cksum == cksum; fp2 = fp2->next)
+ if (!lstat(fp2->name, &st2) && S_ISREG(st2.st_mode) &&
+ !stcmp(&st, &st2, content_only) &&
+ st2.st_ino != st.st_ino &&
+ st2.st_dev == st.st_dev) {
+ int fd2 = open(fp2->name, O_RDONLY);
+ if (fd2 < 0)
+ continue;
+ if (fstat(fd2, &st2) || !S_ISREG(st2.st_mode)
+ || st2.st_size == 0) {
+ close(fd2);
+ continue;
+ }
+ ncomp++;
+ lseek(fd, 0, SEEK_SET);
+ for (fsize = st.st_size; fsize > 0;
+ fsize -= NIOBUF) {
+ off_t rsize =
+ fsize >= NIOBUF ? NIOBUF : fsize;
+ if (read(fd, iobuf1, rsize) != rsize
+ || read(fd2, iobuf2,
+ rsize) != rsize) {
+ close(fd);
+ close(fd2);
+ fprintf(stderr,
+ "\nReading error\n");
+ return;
+ }
+ if (memcmp(iobuf1, iobuf2, rsize))
+ break;
+ }
+ close(fd2);
+ if (fsize > 0)
+ continue;
+ if (lstat(name, &st3)) {
+ fprintf(stderr,
+ "\nCould not stat %s again\n",
+ name);
+ close(fd);
+ return;
+ }
+ st3.st_atime = st.st_atime;
+ if (stcmp(&st, &st3, 0)) {
+ fprintf(stderr,
+ "\nFile %s changed underneath us\n",
+ name);
+ close(fd);
+ return;
+ }
+ n1 = fp2->name;
+ n2 = name;
+ if (!no_link) {
+ const char *suffix =
+ ".$$$___cleanit___$$$";
+ const size_t suffixlen = strlen(suffix);
+ size_t n2len = strlen(n2);
+ dynstr nam2 = { NULL, 0 };
+ growstr(&nam2, add2(n2len, suffixlen));
+ memcpy(nam2.buf, n2, n2len);
+ memcpy(&nam2.buf[n2len], suffix,
+ suffixlen + 1);
+ /* First create a temporary link to n1 under a new name */
+ if (link(n1, nam2.buf)) {
+ fprintf(stderr,
+ "\nFailed to hardlink %s to %s (create temporary link as %s failed - %s)\n",
+ n1, n2, nam2.buf,
+ strerror(errno));
+ free(nam2.buf);
+ continue;
+ }
+ /* Then rename into place over the existing n2 */
+ if (rename(nam2.buf, n2)) {
+ fprintf(stderr,
+ "\nFailed to hardlink %s to %s (rename temporary link to %s failed - %s)\n",
+ n1, n2, n2,
+ strerror(errno));
+ /* Something went wrong, try to remove the now redundant temporary link */
+ if (unlink(nam2.buf)) {
+ fprintf(stderr,
+ "\nFailed to remove temporary link %s - %s\n",
+ nam2.buf,
+ strerror
+ (errno));
+ }
+ free(nam2.buf);
+ continue;
+ }
+ free(nam2.buf);
+ }
+ nlinks++;
+ if (st3.st_nlink > 1) {
+ /* We actually did not save anything this time, since the link second argument
+ had some other links as well. */
+ if (verbose > 1)
+ fprintf(stderr,
+ "\r%*s\r%s %s to %s\n",
+ (int)(((namelen >
+ NAMELEN) ? 0 :
+ namelen) + 2),
+ "",
+ (no_link ? "Would link"
+ : "Linked"), n1, n2);
+ } else {
+ nsaved +=
+ ((st.st_size + 4095) / 4096) * 4096;
+ if (verbose > 1)
+ fprintf(stderr,
+ "\r%*s\r%s %s to %s, %s %ld\n",
+ (int)(((namelen >
+ NAMELEN) ? 0 :
+ namelen) + 2),
+ "",
+ (no_link ? "Would link"
+ : "Linked"), n1, n2,
+ (no_link ? "would save"
+ : "saved"),
+ st.st_size);
+ }
+ close(fd);
+ return;
+ }
+ fp2 = malloc(add3(sizeof(f), namelen, 1));
+ if (!fp2) {
+ fprintf(stderr, "\nOut of memory 2\n");
+ doexit(2);
+ }
+ close(fd);
+ fp2->ino = st.st_ino;
+ fp2->dev = st.st_dev;
+ fp2->cksum = cksum;
+ memcpy(fp2->name, name, namelen + 1);
+ if (fp) {
+ fp2->next = fp->next;
+ fp->next = fp2;
+ } else {
+ fp2->next = hp->chain;
+ hp->chain = fp2;
+ }
+ if (verbose > 1 && namelen <= NAMELEN)
+ fprintf(stderr, "\r%*s\r", (int)(namelen + 2), "");
+ return;
}
- close(fd);
- return;
- }
- fp2 = malloc(add3(sizeof(f), namelen, 1));
- if (!fp2) {
- fprintf(stderr, "\nOut of memory 2\n");
- doexit(2);
- }
- close(fd);
- fp2->ino = st.st_ino;
- fp2->dev = st.st_dev;
- fp2->cksum = cksum;
- memcpy(fp2->name, name, namelen + 1);
- if (fp) {
- fp2->next = fp->next;
- fp->next = fp2;
- } else {
- fp2->next = hp->chain;
- hp->chain = fp2;
- }
- if (verbose > 1 && namelen <= NAMELEN)
- fprintf(stderr, "\r%*s\r", (int)(namelen + 2), "");
- return;
- }
}
int main(int argc, char **argv)
{
- int ch;
- int i;
+ int ch;
+ int i;
#ifdef HAVE_PCRE
- int errornumber;
- PCRE2_SIZE erroroffset;
+ int errornumber;
+ PCRE2_SIZE erroroffset;
#endif
- dynstr nam1 = {NULL, 0};
- while ((ch = getopt (argc, argv, "cnvhfx:")) != -1) {
- switch (ch) {
- case 'n':
- no_link++;
- break;
- case 'v':
- verbose++;
- break;
- case 'c':
- content_only++;
- break;
- case 'f':
- force=1;
- break;
- case 'x':
+ dynstr nam1 = { NULL, 0 };
+ while ((ch = getopt(argc, argv, "cnvhfx:")) != -1) {
+ switch (ch) {
+ case 'n':
+ no_link++;
+ break;
+ case 'v':
+ verbose++;
+ break;
+ case 'c':
+ content_only++;
+ break;
+ case 'f':
+ force = 1;
+ break;
+ case 'x':
#ifdef HAVE_PCRE
- exclude_pattern = (PCRE2_SPTR)optarg;
+ exclude_pattern = (PCRE2_SPTR) optarg;
#else
- fprintf(stderr, "option x not supported (built without pcre2)\n");
- exit(1);
+ fprintf(stderr, "option x not supported (built without pcre2)\n");
+ exit(1);
#endif
- break;
- case 'h':
- default:
- usage(argv[0]);
- }
- }
- if (optind >= argc)
- usage(argv[0]);
+ break;
+ case 'h':
+ default:
+ usage(argv[0]);
+ }
+ }
+ if (optind >= argc)
+ usage(argv[0]);
#ifdef HAVE_PCRE
- if (exclude_pattern) {
- re = pcre2_compile(
- exclude_pattern, /* the pattern */
- PCRE2_ZERO_TERMINATED, /* indicates pattern is zero-terminate */
- 0, /* default options */
- &errornumber,
- &erroroffset,
- NULL); /* use default compile context */
- if (!re) {
- PCRE2_UCHAR buffer[256];
- pcre2_get_error_message(errornumber, buffer, sizeof(buffer));
- fprintf(stderr, "pattern error at offset %d: %s\n", (int)erroroffset, buffer);
- usage(argv[0]);
- }
- match_data = pcre2_match_data_create_from_pattern(re, NULL);
- }
+ if (exclude_pattern) {
+ re = pcre2_compile(exclude_pattern, /* the pattern */
+ PCRE2_ZERO_TERMINATED, /* indicates pattern is zero-terminate */
+ 0, /* default options */
+ &errornumber, &erroroffset, NULL); /* use default compile context */
+ if (!re) {
+ PCRE2_UCHAR buffer[256];
+ pcre2_get_error_message(errornumber, buffer,
+ sizeof(buffer));
+ fprintf(stderr, "pattern error at offset %d: %s\n",
+ (int)erroroffset, buffer);
+ usage(argv[0]);
+ }
+ match_data = pcre2_match_data_create_from_pattern(re, NULL);
+ }
#endif
- for (i = optind; i < argc; i++)
- rf(argv[i]);
- while (dirs) {
- DIR *dh;
- struct dirent *di;
- d * dp = dirs;
- size_t nam1baselen = strlen(dp->name);
- dirs = dp->next;
- growstr(&nam1, add2(nam1baselen, 1));
- memcpy(nam1.buf, dp->name, nam1baselen);
- free (dp);
- nam1.buf[nam1baselen++] = '/';
- nam1.buf[nam1baselen] = 0;
- dh = opendir (nam1.buf);
- if (dh == NULL)
- continue;
- ndirs++;
- while ((di = readdir (dh)) != NULL) {
- if (!di->d_name[0])
- continue;
- if (di->d_name[0] == '.') {
- if (!di->d_name[1] || !strcmp(di->d_name, ".."))
- continue;
- }
+ for (i = optind; i < argc; i++)
+ rf(argv[i]);
+ while (dirs) {
+ DIR *dh;
+ struct dirent *di;
+ d *dp = dirs;
+ size_t nam1baselen = strlen(dp->name);
+ dirs = dp->next;
+ growstr(&nam1, add2(nam1baselen, 1));
+ memcpy(nam1.buf, dp->name, nam1baselen);
+ free(dp);
+ nam1.buf[nam1baselen++] = '/';
+ nam1.buf[nam1baselen] = 0;
+ dh = opendir(nam1.buf);
+ if (dh == NULL)
+ continue;
+ ndirs++;
+ while ((di = readdir(dh)) != NULL) {
+ if (!di->d_name[0])
+ continue;
+ if (di->d_name[0] == '.') {
+ if (!di->d_name[1] || !strcmp(di->d_name, ".."))
+ continue;
+ }
#ifdef HAVE_PCRE
- if (re && pcre2_match(
- re, /* compiled regex */
- (PCRE2_SPTR)di->d_name,
- strlen(di->d_name),
- 0, /* start at offset 0 */
- 0, /* default options */
- match_data, /* block for storing the result */
- NULL) /* use default match context */
- >= 0) {
- if (verbose) {
- nam1.buf[nam1baselen] = 0;
- fprintf(stderr,"Skipping %s%s\n", nam1.buf, di->d_name);
- }
- continue;
- }
+ if (re && pcre2_match(re, /* compiled regex */
+ (PCRE2_SPTR) di->d_name, strlen(di->d_name), 0, /* start at offset 0 */
+ 0, /* default options */
+ match_data, /* block for storing the result */
+ NULL) /* use default match context */
+ >=0) {
+ if (verbose) {
+ nam1.buf[nam1baselen] = 0;
+ fprintf(stderr, "Skipping %s%s\n",
+ nam1.buf, di->d_name);
+ }
+ continue;
+ }
#endif
- {
- size_t subdirlen;
- growstr(&nam1, add2(nam1baselen, subdirlen = strlen(di->d_name)));
- memcpy(&nam1.buf[nam1baselen], di->d_name, add2(subdirlen, 1));
- }
- rf(nam1.buf);
- }
- closedir(dh);
- }
- doexit(0);
- return 0;
+ {
+ size_t subdirlen;
+ growstr(&nam1,
+ add2(nam1baselen, subdirlen =
+ strlen(di->d_name)));
+ memcpy(&nam1.buf[nam1baselen], di->d_name,
+ add2(subdirlen, 1));
+ }
+ rf(nam1.buf);
+ }
+ closedir(dh);
+ }
+ doexit(0);
+ return 0;
}
projects / thirdparty / util-linux.git / commitdiff
