|
|
|
@ -1,12 +1,16 @@ |
|
|
|
#include <unistd.h> |
|
|
|
|
|
|
|
#ifndef _POSIX_SOURCE |
|
|
|
#define _POSIX_SOURCE |
|
|
|
#endif |
|
|
|
|
|
|
|
#include <stdio.h> |
|
|
|
#include <stdlib.h> |
|
|
|
|
|
|
|
#if !defined(__APPLE__) |
|
|
|
#include <malloc.h> |
|
|
|
#endif |
|
|
|
|
|
|
|
#include <string.h> |
|
|
|
#include <fcntl.h> |
|
|
|
#include <sys/param.h> |
|
|
|
@ -25,340 +29,445 @@ |
|
|
|
#define PATH_MAX 1024 |
|
|
|
#endif |
|
|
|
|
|
|
|
#define progver "%s: scan/change symbolic links - v1.4-1 - by Mark Lord\n\n" |
|
|
|
#define progver "%s: scan/change symbolic links - v1.4.2\n\n" |
|
|
|
|
|
|
|
static char *progname; |
|
|
|
static int verbose = 0, fix_links = 0, recurse = 0, delete = 0, shorten = 0, |
|
|
|
testing = 0, single_fs = 1; |
|
|
|
static int verbose = 0, |
|
|
|
fix_links = 0, |
|
|
|
recurse = 0, |
|
|
|
delete = 0, |
|
|
|
shorten = 0, |
|
|
|
testing = 0, |
|
|
|
single_fs = 1; |
|
|
|
|
|
|
|
/* |
|
|
|
* tidypath removes excess slashes and "." references from a path string |
|
|
|
*/ |
|
|
|
|
|
|
|
static int substr (char *s, char *old, char *new) |
|
|
|
{ |
|
|
|
char *tmp = NULL; |
|
|
|
int oldlen = strlen(old), newlen = 0; |
|
|
|
|
|
|
|
if (NULL == strstr(s, old)) |
|
|
|
return 0; |
|
|
|
|
|
|
|
if (new) |
|
|
|
newlen = strlen(new); |
|
|
|
|
|
|
|
if (newlen > oldlen) { |
|
|
|
if ((tmp = malloc(strlen(s))) == NULL) { |
|
|
|
fprintf(stderr, "no memory\n"); |
|
|
|
exit (1); |
|
|
|
} |
|
|
|
} |
|
|
|
|
|
|
|
while (NULL != (s = strstr(s, old))) { |
|
|
|
char *p, *old_s = s; |
|
|
|
|
|
|
|
if (new) { |
|
|
|
if (newlen > oldlen) |
|
|
|
old_s = strcpy(tmp, s); |
|
|
|
p = new; |
|
|
|
while (*p) |
|
|
|
*s++ = *p++; |
|
|
|
} |
|
|
|
p = old_s + oldlen; |
|
|
|
while ((*s++ = *p++)); |
|
|
|
} |
|
|
|
if (tmp) |
|
|
|
free(tmp); |
|
|
|
return 1; |
|
|
|
static int substr(char *s, char *old, char *new) { |
|
|
|
char *tmp = NULL; |
|
|
|
unsigned long oldlen = strlen(old), newlen = 0; |
|
|
|
|
|
|
|
if (NULL == strstr(s, old)) { |
|
|
|
return 0; |
|
|
|
} |
|
|
|
|
|
|
|
if (new) { |
|
|
|
newlen = strlen(new); |
|
|
|
} |
|
|
|
|
|
|
|
if (newlen > oldlen) { |
|
|
|
if ((tmp = malloc(strlen(s))) == NULL) { |
|
|
|
fprintf(stderr, "no memory\n"); |
|
|
|
exit(1); |
|
|
|
} |
|
|
|
} |
|
|
|
|
|
|
|
while (NULL != (s = strstr(s, old))) { |
|
|
|
char *p, *old_s = s; |
|
|
|
|
|
|
|
if (new) { |
|
|
|
if (newlen > oldlen) { |
|
|
|
old_s = strcpy(tmp, s); |
|
|
|
} |
|
|
|
|
|
|
|
p = new; |
|
|
|
|
|
|
|
while (*p) { |
|
|
|
*s++ = *p++; |
|
|
|
} |
|
|
|
} |
|
|
|
|
|
|
|
p = old_s + oldlen; |
|
|
|
|
|
|
|
while ((*s++ = *p++)); |
|
|
|
} |
|
|
|
|
|
|
|
if (tmp) { |
|
|
|
free(tmp); |
|
|
|
} |
|
|
|
|
|
|
|
return 1; |
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
static int tidy_path (char *path) |
|
|
|
{ |
|
|
|
int tidied = 0; |
|
|
|
char *s, *p; |
|
|
|
|
|
|
|
s = path + strlen(path) - 1; |
|
|
|
if (s[0] != '/') { /* tmp trailing slash simplifies things */ |
|
|
|
s[1] = '/'; |
|
|
|
s[2] = '\0'; |
|
|
|
} |
|
|
|
while (substr(path, "/./", "/")) |
|
|
|
tidied = 1; |
|
|
|
while (substr(path, "//", "/")) |
|
|
|
tidied = 1; |
|
|
|
|
|
|
|
while ((p = strstr(path,"/../")) != NULL) { |
|
|
|
s = p+3; |
|
|
|
for (p--; p != path; p--) if (*p == '/') break; |
|
|
|
if (*p != '/') |
|
|
|
break; |
|
|
|
while ((*p++ = *s++)); |
|
|
|
tidied = 1; |
|
|
|
} |
|
|
|
if (*path == '\0') |
|
|
|
strcpy(path,"/"); |
|
|
|
p = path + strlen(path) - 1; |
|
|
|
if (p != path && *p == '/') |
|
|
|
*p-- = '\0'; /* remove tmp trailing slash */ |
|
|
|
while (p != path && *p == '/') { /* remove any others */ |
|
|
|
*p-- = '\0'; |
|
|
|
tidied = 1; |
|
|
|
} |
|
|
|
while (!strncmp(path,"./",2)) { |
|
|
|
for (p = path, s = path+2; (*p++ = *s++);); |
|
|
|
tidied = 1; |
|
|
|
} |
|
|
|
return tidied; |
|
|
|
static int tidy_path(char *path) { |
|
|
|
int tidied = 0; |
|
|
|
char *s, *p; |
|
|
|
s = path + strlen(path) - 1; |
|
|
|
|
|
|
|
if (s[0] != '/') { /* tmp trailing slash simplifies things */ |
|
|
|
s[1] = '/'; |
|
|
|
s[2] = '\0'; |
|
|
|
} |
|
|
|
|
|
|
|
while (substr(path, "/./", "/")) { |
|
|
|
tidied = 1; |
|
|
|
} |
|
|
|
|
|
|
|
while (substr(path, "//", "/")) { |
|
|
|
tidied = 1; |
|
|
|
} |
|
|
|
|
|
|
|
while ((p = strstr(path, "/../")) != NULL) { |
|
|
|
s = p + 3; |
|
|
|
|
|
|
|
for (p--; p != path; p--) { |
|
|
|
if (*p == '/') { break; } |
|
|
|
} |
|
|
|
|
|
|
|
if (*p != '/') { break; } |
|
|
|
|
|
|
|
while ((*p++ = *s++)); |
|
|
|
|
|
|
|
tidied = 1; |
|
|
|
} |
|
|
|
|
|
|
|
if (*path == '\0') { |
|
|
|
strcpy(path, "/"); |
|
|
|
} |
|
|
|
|
|
|
|
p = path + strlen(path) - 1; |
|
|
|
|
|
|
|
if (p != path && *p == '/') { |
|
|
|
*p-- = '\0'; /* remove tmp trailing slash */ |
|
|
|
} |
|
|
|
|
|
|
|
while (p != path && *p == '/') { /* remove any others */ |
|
|
|
*p-- = '\0'; |
|
|
|
tidied = 1; |
|
|
|
} |
|
|
|
|
|
|
|
while (!strncmp(path, "./", 2)) { |
|
|
|
for (p = path, s = path + 2; (*p++ = *s++);); |
|
|
|
|
|
|
|
tidied = 1; |
|
|
|
} |
|
|
|
|
|
|
|
return tidied; |
|
|
|
} |
|
|
|
|
|
|
|
static int shorten_path (char *path, char *abspath) |
|
|
|
{ |
|
|
|
static char dir[PATH_MAX]; |
|
|
|
int shortened = 0; |
|
|
|
char *p; |
|
|
|
|
|
|
|
/* get rid of unnecessary "../dir" sequences */ |
|
|
|
while (abspath && strlen(abspath) > 1 && (p = strstr(path,"../"))) { |
|
|
|
/* find innermost occurance of "../dir", and save "dir" */ |
|
|
|
int slashes = 2; |
|
|
|
char *a, *s, *d = dir; |
|
|
|
while ((s = strstr(p+3, "../"))) { |
|
|
|
++slashes; |
|
|
|
p = s; |
|
|
|
} |
|
|
|
s = p+3; |
|
|
|
*d++ = '/'; |
|
|
|
while (*s && *s != '/') |
|
|
|
*d++ = *s++; |
|
|
|
*d++ = '/'; |
|
|
|
*d = '\0'; |
|
|
|
if (!strcmp(dir,"//")) |
|
|
|
break; |
|
|
|
/* note: p still points at ../dir */ |
|
|
|
if (*s != '/' || !*++s) |
|
|
|
break; |
|
|
|
a = abspath + strlen(abspath) - 1; |
|
|
|
while (slashes-- > 0) { |
|
|
|
if (a <= abspath) |
|
|
|
goto ughh; |
|
|
|
while (*--a != '/') { |
|
|
|
if (a <= abspath) |
|
|
|
goto ughh; |
|
|
|
} |
|
|
|
} |
|
|
|
if (strncmp(dir, a, strlen(dir))) |
|
|
|
break; |
|
|
|
while ((*p++ = *s++)); /* delete the ../dir */ |
|
|
|
shortened = 1; |
|
|
|
} |
|
|
|
static int shorten_path(char *path, char *abspath) { |
|
|
|
static char dir[PATH_MAX]; |
|
|
|
int shortened = 0; |
|
|
|
char *p; |
|
|
|
|
|
|
|
/* get rid of unnecessary "../dir" sequences */ |
|
|
|
while (abspath && strlen(abspath) > 1 && (p = strstr(path, "../"))) { |
|
|
|
/* find innermost occurance of "../dir", and save "dir" */ |
|
|
|
int slashes = 2; |
|
|
|
char *a, *s, *d = dir; |
|
|
|
|
|
|
|
while ((s = strstr(p + 3, "../"))) { |
|
|
|
++slashes; |
|
|
|
p = s; |
|
|
|
} |
|
|
|
|
|
|
|
s = p + 3; |
|
|
|
*d++ = '/'; |
|
|
|
|
|
|
|
while (*s && *s != '/') { |
|
|
|
*d++ = *s++; |
|
|
|
} |
|
|
|
|
|
|
|
*d++ = '/'; |
|
|
|
*d = '\0'; |
|
|
|
|
|
|
|
if (!strcmp(dir, "//")) { |
|
|
|
break; |
|
|
|
} |
|
|
|
|
|
|
|
/* note: p still points at ../dir */ |
|
|
|
if (*s != '/' || !*++s) { |
|
|
|
break; |
|
|
|
} |
|
|
|
|
|
|
|
a = abspath + strlen(abspath) - 1; |
|
|
|
|
|
|
|
while (slashes-- > 0) { |
|
|
|
if (a <= abspath) { |
|
|
|
goto ughh; |
|
|
|
} |
|
|
|
|
|
|
|
while (*--a != '/') { |
|
|
|
if (a <= abspath) { |
|
|
|
goto ughh; |
|
|
|
} |
|
|
|
} |
|
|
|
} |
|
|
|
|
|
|
|
if (strncmp(dir, a, strlen(dir))) { |
|
|
|
break; |
|
|
|
} |
|
|
|
|
|
|
|
while ((*p++ = *s++)); /* delete the ../dir */ |
|
|
|
|
|
|
|
shortened = 1; |
|
|
|
} |
|
|
|
|
|
|
|
ughh: |
|
|
|
return shortened; |
|
|
|
return shortened; |
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
static void fix_symlink (char *path, dev_t my_dev) |
|
|
|
{ |
|
|
|
static char lpath[PATH_MAX], new[PATH_MAX], abspath[PATH_MAX]; |
|
|
|
char *p, *np, *lp, *tail, *msg; |
|
|
|
struct stat stbuf, lstbuf; |
|
|
|
int c, fix_abs = 0, fix_messy = 0, fix_long = 0; |
|
|
|
|
|
|
|
if ((c = readlink(path, lpath, sizeof(lpath))) == -1) { |
|
|
|
perror(path); |
|
|
|
return; |
|
|
|
} |
|
|
|
lpath[c] = '\0'; /* readlink does not null terminate it */ |
|
|
|
|
|
|
|
/* construct the absolute address of the link */ |
|
|
|
abspath[0] = '\0'; |
|
|
|
if (lpath[0] != '/') { |
|
|
|
strcat(abspath,path); |
|
|
|
c = strlen(abspath); |
|
|
|
if ((c > 0) && (abspath[c-1] == '/')) |
|
|
|
abspath[c-1] = '\0'; /* cut trailing / */ |
|
|
|
if ((p = strrchr(abspath,'/')) != NULL) |
|
|
|
*p = '\0'; /* cut last component */ |
|
|
|
strcat(abspath,"/"); |
|
|
|
} |
|
|
|
strcat(abspath,lpath); |
|
|
|
(void) tidy_path(abspath); |
|
|
|
|
|
|
|
/* check for various things */ |
|
|
|
if (stat(abspath, &stbuf) == -1) { |
|
|
|
printf("dangling: %s -> %s\n", path, lpath); |
|
|
|
if (delete) { |
|
|
|
if (unlink (path)) { |
|
|
|
perror(path); |
|
|
|
} else |
|
|
|
printf("deleted: %s -> %s\n", path, lpath); |
|
|
|
} |
|
|
|
return; |
|
|
|
} |
|
|
|
|
|
|
|
if (single_fs) |
|
|
|
lstat(abspath, &lstbuf); /* if the above didn't fail, then this shouldn't */ |
|
|
|
|
|
|
|
if (single_fs && lstbuf.st_dev != my_dev) { |
|
|
|
msg = "other_fs:"; |
|
|
|
} else if (lpath[0] == '/') { |
|
|
|
msg = "absolute:"; |
|
|
|
fix_abs = 1; |
|
|
|
} else if (verbose) { |
|
|
|
msg = "relative:"; |
|
|
|
} else |
|
|
|
msg = NULL; |
|
|
|
fix_messy = tidy_path(strcpy(new,lpath)); |
|
|
|
if (shorten) |
|
|
|
fix_long = shorten_path(new, path); |
|
|
|
if (!fix_abs) { |
|
|
|
if (fix_messy) |
|
|
|
msg = "messy: "; |
|
|
|
else if (fix_long) |
|
|
|
msg = "lengthy: "; |
|
|
|
} |
|
|
|
if (msg != NULL) |
|
|
|
printf("%s %s -> %s\n", msg, path, lpath); |
|
|
|
if (!(fix_links || testing) || !(fix_messy || fix_abs || fix_long)) |
|
|
|
return; |
|
|
|
|
|
|
|
if (fix_abs) { |
|
|
|
/* convert an absolute link to relative: */ |
|
|
|
/* point tail at first part of lpath that differs from path */ |
|
|
|
/* point p at first part of path that differs from lpath */ |
|
|
|
(void) tidy_path(lpath); |
|
|
|
tail = lp = lpath; |
|
|
|
p = path; |
|
|
|
while (*p && (*p == *lp)) { |
|
|
|
if (*lp++ == '/') { |
|
|
|
tail = lp; |
|
|
|
while (*++p == '/'); |
|
|
|
} |
|
|
|
} |
|
|
|
|
|
|
|
/* now create new, with "../"s followed by tail */ |
|
|
|
np = new; |
|
|
|
while (*p) { |
|
|
|
if (*p++ == '/') { |
|
|
|
*np++ = '.'; |
|
|
|
*np++ = '.'; |
|
|
|
*np++ = '/'; |
|
|
|
while (*p == '/') ++p; |
|
|
|
} |
|
|
|
} |
|
|
|
strcpy (np, tail); |
|
|
|
(void) tidy_path(new); |
|
|
|
if (shorten) (void) shorten_path(new, path); |
|
|
|
} |
|
|
|
shorten_path(new,path); |
|
|
|
if (!testing) { |
|
|
|
if (unlink (path)) { |
|
|
|
perror(path); |
|
|
|
return; |
|
|
|
} |
|
|
|
if (symlink(new, path)) { |
|
|
|
perror(path); |
|
|
|
return; |
|
|
|
} |
|
|
|
} |
|
|
|
printf("changed: %s -> %s\n", path, new); |
|
|
|
static void fix_symlink(char *path, dev_t my_dev) { |
|
|
|
static char lpath[PATH_MAX], new[PATH_MAX], abspath[PATH_MAX]; |
|
|
|
char *p, *np, *lp, *tail, *msg; |
|
|
|
struct stat stbuf, lstbuf; |
|
|
|
int fix_abs = 0, fix_messy = 0, fix_long = 0; |
|
|
|
size_t c; |
|
|
|
|
|
|
|
if ((c = readlink(path, lpath, sizeof(lpath))) == -1) { |
|
|
|
perror(path); |
|
|
|
return; |
|
|
|
} |
|
|
|
|
|
|
|
lpath[c] = '\0'; /* readlink does not null terminate it */ |
|
|
|
/* construct the absolute address of the link */ |
|
|
|
abspath[0] = '\0'; |
|
|
|
|
|
|
|
if (lpath[0] != '/') { |
|
|
|
strcat(abspath, path); |
|
|
|
c = strlen(abspath); |
|
|
|
|
|
|
|
if ((c > 0) && (abspath[c - 1] == '/')) { |
|
|
|
abspath[c - 1] = '\0'; /* cut trailing / */ |
|
|
|
} |
|
|
|
|
|
|
|
if ((p = strrchr(abspath, '/')) != NULL) { |
|
|
|
*p = '\0'; /* cut last component */ |
|
|
|
} |
|
|
|
|
|
|
|
strcat(abspath, "/"); |
|
|
|
} |
|
|
|
|
|
|
|
strcat(abspath, lpath); |
|
|
|
(void) tidy_path(abspath); |
|
|
|
|
|
|
|
/* check for various things */ |
|
|
|
if (stat(abspath, &stbuf) == -1) { |
|
|
|
printf("dangling: %s -> %s\n", path, lpath); |
|
|
|
|
|
|
|
if (delete) { |
|
|
|
if (unlink(path)) { |
|
|
|
perror(path); |
|
|
|
} else { |
|
|
|
printf("deleted: %s -> %s\n", path, lpath); |
|
|
|
} |
|
|
|
} |
|
|
|
|
|
|
|
return; |
|
|
|
} |
|
|
|
|
|
|
|
if (single_fs) { |
|
|
|
lstat(abspath, &lstbuf); /* if the above didn't fail, then this shouldn't */ |
|
|
|
} |
|
|
|
|
|
|
|
if (single_fs && lstbuf.st_dev != my_dev) { |
|
|
|
msg = "other_fs:"; |
|
|
|
} else if (lpath[0] == '/') { |
|
|
|
msg = "absolute:"; |
|
|
|
fix_abs = 1; |
|
|
|
} else if (verbose) { |
|
|
|
msg = "relative:"; |
|
|
|
} else { |
|
|
|
msg = NULL; |
|
|
|
} |
|
|
|
|
|
|
|
fix_messy = tidy_path(strcpy(new, lpath)); |
|
|
|
|
|
|
|
if (shorten) { |
|
|
|
fix_long = shorten_path(new, path); |
|
|
|
} |
|
|
|
|
|
|
|
if (!fix_abs) { |
|
|
|
if (fix_messy) { |
|
|
|
msg = "messy: "; |
|
|
|
} else if (fix_long) { |
|
|
|
msg = "lengthy: "; |
|
|
|
} |
|
|
|
} |
|
|
|
|
|
|
|
if (msg != NULL) { |
|
|
|
printf("%s %s -> %s\n", msg, path, lpath); |
|
|
|
} |
|
|
|
|
|
|
|
if (!(fix_links || testing) || !(fix_messy || fix_abs || fix_long)) { |
|
|
|
return; |
|
|
|
} |
|
|
|
|
|
|
|
if (fix_abs) { |
|
|
|
/* convert an absolute link to relative: */ |
|
|
|
/* point tail at first part of lpath that differs from path */ |
|
|
|
/* point p at first part of path that differs from lpath */ |
|
|
|
(void) tidy_path(lpath); |
|
|
|
tail = lp = lpath; |
|
|
|
p = path; |
|
|
|
|
|
|
|
while (*p && (*p == *lp)) { |
|
|
|
if (*lp++ == '/') { |
|
|
|
tail = lp; |
|
|
|
|
|
|
|
while (*++p == '/'); |
|
|
|
} |
|
|
|
} |
|
|
|
|
|
|
|
/* now create new, with "../"s followed by tail */ |
|
|
|
np = new; |
|
|
|
|
|
|
|
while (*p) { |
|
|
|
if (*p++ == '/') { |
|
|
|
*np++ = '.'; |
|
|
|
*np++ = '.'; |
|
|
|
*np++ = '/'; |
|
|
|
|
|
|
|
while (*p == '/') { |
|
|
|
++p; |
|
|
|
} |
|
|
|
} |
|
|
|
} |
|
|
|
|
|
|
|
strcpy(np, tail); |
|
|
|
(void) tidy_path(new); |
|
|
|
|
|
|
|
if (shorten) { |
|
|
|
(void) shorten_path(new, path); |
|
|
|
} |
|
|
|
} |
|
|
|
|
|
|
|
shorten_path(new, path); |
|
|
|
|
|
|
|
if (!testing) { |
|
|
|
if (unlink(path)) { |
|
|
|
perror(path); |
|
|
|
return; |
|
|
|
} |
|
|
|
|
|
|
|
if (symlink(new, path)) { |
|
|
|
perror(path); |
|
|
|
return; |
|
|
|
} |
|
|
|
} |
|
|
|
|
|
|
|
printf("changed: %s -> %s\n", path, new); |
|
|
|
} |
|
|
|
|
|
|
|
static void dirwalk (char *path, int pathlen, dev_t dev) |
|
|
|
{ |
|
|
|
char *name; |
|
|
|
DIR *dfd; |
|
|
|
static struct stat st; |
|
|
|
static struct dirent *dp; |
|
|
|
|
|
|
|
if ((dfd = opendir(path)) == NULL) { |
|
|
|
perror(path); |
|
|
|
return; |
|
|
|
} |
|
|
|
|
|
|
|
name = path + pathlen; |
|
|
|
if (*(name-1) != '/') |
|
|
|
*name++ = '/'; |
|
|
|
|
|
|
|
while ((dp = readdir(dfd)) != NULL ) { |
|
|
|
strcpy(name, dp->d_name); |
|
|
|
if (strcmp(name, ".") && strcmp(name,"..")) { |
|
|
|
if (lstat(path, &st) == -1) { |
|
|
|
perror(path); |
|
|
|
} else if (st.st_dev == dev) { |
|
|
|
if (S_ISLNK(st.st_mode)) { |
|
|
|
fix_symlink (path, dev); |
|
|
|
} else if (recurse && S_ISDIR(st.st_mode)) { |
|
|
|
dirwalk(path, strlen(path), dev); |
|
|
|
} |
|
|
|
} |
|
|
|
} |
|
|
|
} |
|
|
|
closedir(dfd); |
|
|
|
path[pathlen] = '\0'; |
|
|
|
static void dirwalk(char *path, unsigned long pathlen, dev_t dev) { |
|
|
|
char *name; |
|
|
|
DIR *dfd; |
|
|
|
static struct stat st; |
|
|
|
static struct dirent *dp; |
|
|
|
|
|
|
|
if ((dfd = opendir(path)) == NULL) { |
|
|
|
perror(path); |
|
|
|
return; |
|
|
|
} |
|
|
|
|
|
|
|
name = path + pathlen; |
|
|
|
|
|
|
|
if (*(name - 1) != '/') { |
|
|
|
*name++ = '/'; |
|
|
|
} |
|
|
|
|
|
|
|
while ((dp = readdir(dfd)) != NULL) { |
|
|
|
strcpy(name, dp->d_name); |
|
|
|
|
|
|
|
if (strcmp(name, ".") && strcmp(name, "..")) { |
|
|
|
if (lstat(path, &st) == -1) { |
|
|
|
perror(path); |
|
|
|
} else if (st.st_dev == dev) { |
|
|
|
if (S_ISLNK(st.st_mode)) { |
|
|
|
fix_symlink(path, dev); |
|
|
|
} else if (recurse && S_ISDIR(st.st_mode)) { |
|
|
|
dirwalk(path, strlen(path), dev); |
|
|
|
} |
|
|
|
} |
|
|
|
} |
|
|
|
} |
|
|
|
|
|
|
|
closedir(dfd); |
|
|
|
path[pathlen] = '\0'; |
|
|
|
} |
|
|
|
|
|
|
|
static void usage_error (void) |
|
|
|
{ |
|
|
|
fprintf(stderr, progver, progname); |
|
|
|
fprintf(stderr, "Usage:\t%s [-cdorstv] dirlist\n\n", progname); |
|
|
|
fprintf(stderr, "Flags:" |
|
|
|
"\t-c == change absolute/messy links to relative\n" |
|
|
|
"\t-d == delete dangling links\n" |
|
|
|
"\t-o == warn about links across file systems\n" |
|
|
|
"\t-r == recurse into subdirs\n" |
|
|
|
"\t-s == shorten lengthy links (displayed in output only when -c not specified)\n" |
|
|
|
"\t-t == show what would be done by -c\n" |
|
|
|
"\t-v == verbose (show all symlinks)\n\n"); |
|
|
|
exit(1); |
|
|
|
static void usage_error(void) { |
|
|
|
fprintf(stderr, progver, progname); |
|
|
|
fprintf(stderr, "Usage:\t%s [-cdorstv] dirlist\n\n", progname); |
|
|
|
fprintf(stderr, "Flags:" |
|
|
|
"\t-c change absolute/messy links to relative\n" |
|
|
|
"\t-d delete dangling links\n" |
|
|
|
"\t-o warn about links across file systems\n" |
|
|
|
"\t-r recurse into subdirs\n" |
|
|
|
"\t-s shorten lengthy links (displayed in output only when -c not specified)\n" |
|
|
|
"\t-t show what would be done by -c\n" |
|
|
|
"\t-v verbose (show all symlinks)\n\n"); |
|
|
|
exit(1); |
|
|
|
} |
|
|
|
|
|
|
|
int main(int argc, char **argv) |
|
|
|
{ |
|
|
|
static char path[PATH_MAX+2], cwd[PATH_MAX+2]; |
|
|
|
int dircount = 0; |
|
|
|
char c, *p; |
|
|
|
|
|
|
|
if ((progname = (char *) strrchr(*argv, '/')) == NULL) |
|
|
|
progname = *argv; |
|
|
|
else |
|
|
|
progname++; |
|
|
|
|
|
|
|
if (NULL == getcwd(cwd,PATH_MAX)) { |
|
|
|
fprintf(stderr,"getcwd() failed\n"); |
|
|
|
exit (1); |
|
|
|
} |
|
|
|
if (!*cwd || cwd[strlen(cwd)-1] != '/') |
|
|
|
strcat(cwd,"/"); |
|
|
|
|
|
|
|
while (--argc) { |
|
|
|
p = *++argv; |
|
|
|
if (*p == '-') { |
|
|
|
if (*++p == '\0') |
|
|
|
usage_error(); |
|
|
|
while ((c = *p++)) { |
|
|
|
if (c == 'c') fix_links = 1; |
|
|
|
else if (c == 'd') delete = 1; |
|
|
|
else if (c == 'o') single_fs = 0; |
|
|
|
else if (c == 'r') recurse = 1; |
|
|
|
else if (c == 's') shorten = 1; |
|
|
|
else if (c == 't') testing = 1; |
|
|
|
else if (c == 'v') verbose = 1; |
|
|
|
else usage_error(); |
|
|
|
} |
|
|
|
} else { |
|
|
|
struct stat st; |
|
|
|
if (*p == '/') |
|
|
|
*path = '\0'; |
|
|
|
else |
|
|
|
strcpy(path,cwd); |
|
|
|
tidy_path(strcat(path, p)); |
|
|
|
if (lstat(path, &st) == -1) |
|
|
|
perror(path); |
|
|
|
else |
|
|
|
dirwalk(path, strlen(path), st.st_dev); |
|
|
|
++dircount; |
|
|
|
} |
|
|
|
} |
|
|
|
if (dircount == 0) |
|
|
|
usage_error(); |
|
|
|
exit (0); |
|
|
|
int main(int argc, char **argv) { |
|
|
|
static char path[PATH_MAX + 2], cwd[PATH_MAX + 2]; |
|
|
|
int dircount = 0; |
|
|
|
char c, *p; |
|
|
|
|
|
|
|
if ((progname = (char *) strrchr(*argv, '/')) == NULL) { |
|
|
|
progname = *argv; |
|
|
|
} else { |
|
|
|
progname++; |
|
|
|
} |
|
|
|
|
|
|
|
if (NULL == getcwd(cwd, PATH_MAX)) { |
|
|
|
fprintf(stderr, "getcwd() failed\n"); |
|
|
|
exit(1); |
|
|
|
} |
|
|
|
|
|
|
|
if (!*cwd || cwd[strlen(cwd) - 1] != '/') { |
|
|
|
strcat(cwd, "/"); |
|
|
|
} |
|
|
|
|
|
|
|
while (--argc) { |
|
|
|
p = *++argv; |
|
|
|
|
|
|
|
if (*p == '-') { |
|
|
|
if (*++p == '\0') { |
|
|
|
usage_error(); |
|
|
|
} |
|
|
|
|
|
|
|
while ((c = *p++)) { |
|
|
|
if (c == 'c') { fix_links = 1; |
|
|
|
} else if (c == 'd') { delete = 1; |
|
|
|
} else if (c == 'o') { single_fs = 0; |
|
|
|
} else if (c == 'r') { recurse = 1; |
|
|
|
} else if (c == 's') { shorten = 1; |
|
|
|
} else if (c == 't') { testing = 1; |
|
|
|
} else if (c == 'v') { verbose = 1; |
|
|
|
} else { |
|
|
|
usage_error(); |
|
|
|
} |
|
|
|
} |
|
|
|
} else { |
|
|
|
struct stat st; |
|
|
|
|
|
|
|
if (*p == '/') { |
|
|
|
*path = '\0'; |
|
|
|
} else { |
|
|
|
strcpy(path, cwd); |
|
|
|
} |
|
|
|
|
|
|
|
tidy_path(strcat(path, p)); |
|
|
|
|
|
|
|
if (lstat(path, &st) == -1) { |
|
|
|
perror(path); |
|
|
|
} else { |
|
|
|
dirwalk(path, strlen(path), st.st_dev); |
|
|
|
} |
|
|
|
|
|
|
|
++dircount; |
|
|
|
} |
|
|
|
} |
|
|
|
|
|
|
|
if (dircount == 0) { |
|
|
|
usage_error(); |
|
|
|
} |
|
|
|
|
|
|
|
exit(0); |
|
|
|
} |
J. Brandt Buckley
11 years ago