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authorEric Andersen <andersen@codepoet.org>2003-10-13 08:23:35 +0000
committerEric Andersen <andersen@codepoet.org>2003-10-13 08:23:35 +0000
commite6e945c0a68c04ea6513b0fcd3867632c43d5840 (patch)
tree80779167e2e788cc3c666746710dedec01210ded /ldso/util
parent042768df2bb06227e4edf47e03985ec0dc907f66 (diff)
Fix an ldd bug, more ldconfig cleanup
Diffstat (limited to 'ldso/util')
-rw-r--r--ldso/util/ldconfig.c550
-rw-r--r--ldso/util/ldd.c1
2 files changed, 287 insertions, 264 deletions
diff --git a/ldso/util/ldconfig.c b/ldso/util/ldconfig.c
index e971f5aa1..49d43dcb5 100644
--- a/ldso/util/ldconfig.c
+++ b/ldso/util/ldconfig.c
@@ -141,7 +141,7 @@ char *is_shlib(const char *dir, const char *name, int *type,
/* see if name is of the form libZ.so* */
if ((strncmp(name, "lib", 3) == 0 || strncmp(name, "ld-", 3) == 0) && \
- name[strlen(name)-1] != '~' && (cp = strstr(name, ".so")))
+ name[strlen(name)-1] != '~' && (cp = strstr(name, ".so")))
{
/* find the start of the Vminor part, if any */
if (cp[3] == '.' && (cp2 = strchr(cp + 4, '.')))
@@ -175,26 +175,26 @@ char *is_shlib(const char *dir, const char *name, int *type,
{
elf_hdr = (ElfW(Ehdr) *) &exec;
if (elf_hdr->e_ident[0] != 0x7f ||
- strncmp(&elf_hdr->e_ident[1], "ELF",3) != 0)
+ strncmp(&elf_hdr->e_ident[1], "ELF",3) != 0)
{
- /* silently ignore linker scripts */
- if (strncmp((char *)&exec, "/* GNU ld", 9) != 0)
+ /* silently ignore linker scripts */
+ if (strncmp((char *)&exec, "/* GNU ld", 9) != 0)
warn("%s is not a shared library, skipping", buff);
}
else
{
- /* always call readsoname to update type */
- if(expected_type == LIB_DLL){
+ /* always call readsoname to update type */
+ if(expected_type == LIB_DLL) {
warn("%s is not an a.out library, its ELF!\n", buff);
expected_type=LIB_ANY;
}
- *type = LIB_ELF;
- good = readsoname(buff, file, expected_type, type,
- elf_hdr->e_ident[EI_CLASS]);
+ *type = LIB_ELF;
+ good = readsoname(buff, file, expected_type, type,
+ elf_hdr->e_ident[EI_CLASS]);
if (good == NULL || *islink)
{
if (good != NULL)
- free(good);
+ free(good);
good = xstrdup(name);
}
else
@@ -203,19 +203,19 @@ char *is_shlib(const char *dir, const char *name, int *type,
issue a warning, but only in debug mode. */
int len = strlen(good);
if (debug && (strncmp(good, name, len) != 0 ||
- (name[len] != '\0' && name[len] != '.')))
- warn("%s has inconsistent soname (%s)",
- buff, good);
+ (name[len] != '\0' && name[len] != '.')))
+ warn("%s has inconsistent soname (%s)",
+ buff, good);
}
}
}
else
{
if (*islink)
- good = xstrdup(name);
+ good = xstrdup(name);
else
{
- good = xmalloc(cp - name + 1);
+ good = xmalloc(cp - name + 1);
strncpy(good, name, cp - name);
good[cp - name] = '\0';
}
@@ -224,7 +224,7 @@ char *is_shlib(const char *dir, const char *name, int *type,
warn("%s is not an ELF library, its an a.out DLL!", buff);
expected_type=LIB_ANY;
}
-
+
*type = LIB_DLL;
}
fclose(file);
@@ -255,7 +255,7 @@ void link_shlib(const char *dir, const char *file, const char *so)
if (stat(libname, &libstat))
warn("can't stat %s (%s)", libname, strerror(errno));
else if (libstat.st_dev == linkstat.st_dev &&
- libstat.st_ino == linkstat.st_ino)
+ libstat.st_ino == linkstat.st_ino)
change = 0;
}
@@ -264,32 +264,32 @@ void link_shlib(const char *dir, const char *file, const char *so)
{
if (!lstat(linkname, &linkstat))
{
- if (!S_ISLNK(linkstat.st_mode))
- {
- warn("%s is not a symlink", linkname);
- change = -1;
- }
- else if (remove(linkname))
- {
- warn("can't unlink %s (%s)", linkname, strerror(errno));
- change = -1;
- }
+ if (!S_ISLNK(linkstat.st_mode))
+ {
+ warn("%s is not a symlink", linkname);
+ change = -1;
+ }
+ else if (remove(linkname))
+ {
+ warn("can't unlink %s (%s)", linkname, strerror(errno));
+ change = -1;
+ }
}
if (change > 0)
{
- if (symlink(file, linkname))
- {
- warn("can't link %s to %s (%s)", linkname, file, strerror(errno));
- change = -1;
- }
+ if (symlink(file, linkname))
+ {
+ warn("can't link %s to %s (%s)", linkname, file, strerror(errno));
+ change = -1;
+ }
}
}
/* some people like to know what we're doing */
if (verbose > 0)
printf("\t%s => %s%s\n", so, file,
- change < 0 ? " (SKIPPED)" :
- (change > 0 ? " (changed)" : ""));
+ change < 0 ? " (SKIPPED)" :
+ (change > 0 ? " (changed)" : ""));
return;
}
@@ -331,15 +331,28 @@ struct lib
};
/* update all shared library links in a directory */
-void scan_dir(const char *name)
+void scan_dir(const char *rawname)
{
DIR *dir;
+ const char *name;
struct dirent *ent;
- char *so;
+ char *so, *t, *path, *path_n;
struct lib *lp, *libs = NULL;
- int libtype, islink;
- int expected_type = LIB_ANY;
- char *t;
+ int i, libtype, islink, expected_type = LIB_ANY;
+
+ /* We need a writable copy of this string */
+ path = strdup(rawname);
+ if (!path) {
+ err(EXIT_FATAL, "Out of memory!\n");
+ }
+ /* Eliminate all double //s */
+ path_n=path;
+ while((path_n=strstr(path_n, "//"))) {
+ i = strlen(path_n);
+ memmove(path_n, path_n+1, i-1);
+ *(path_n + i - 1)='\0';
+ }
+ name = path;
/* Check for an embedded expected type */
t=strrchr(name, '=');
@@ -362,10 +375,17 @@ void scan_dir(const char *name)
{
expected_type = LIB_ELF_LIBC6;
}
- else
+ else
{
- warn("Unknown type field '%s' for dir '%s' - ignored\n", t, name);
- expected_type = LIB_ANY;
+ if(strcasecmp(t, "libc0") == 0)
+ {
+ expected_type = LIB_ELF_LIBC0;
+ }
+ else
+ {
+ warn("Unknown type field '%s' for dir '%s' - ignored\n", t, name);
+ expected_type = LIB_ANY;
+ }
}
}
}
@@ -394,10 +414,10 @@ void scan_dir(const char *name)
{
if (strcmp(so, lp->so) == 0)
{
- /* we have, which one do we want to use? */
- if ((!islink && lp->islink) ||
- (islink == lp->islink &&
- libcmp(ent->d_name, lp->name) > 0))
+ /* we have, which one do we want to use? */
+ if ((!islink && lp->islink) ||
+ (islink == lp->islink &&
+ libcmp(ent->d_name, lp->name) > 0))
{
/* let's use the new one */
free(lp->name);
@@ -430,7 +450,7 @@ void scan_dir(const char *name)
/* now we have all the latest libs, update the links */
for (lp = libs; lp; lp = lp->next)
{
- if (!lp->islink)
+ if (!lp->islink)
link_shlib(name, lp->name, lp->so);
#ifdef USE_CACHE
if (!nocache)
@@ -468,199 +488,19 @@ char *get_extpath(void)
/* convert comments fo spaces */
for (cp = res; *cp; /*nada*/) {
- if (*cp == '#') {
- do
- *cp++ = ' ';
- while (*cp && *cp != '\n');
- } else {
- cp++;
- }
+ if (*cp == '#') {
+ do
+ *cp++ = ' ';
+ while (*cp && *cp != '\n');
+ } else {
+ cp++;
+ }
}
}
return res;
}
-void usage(void)
-{
- fprintf(stderr,
- "ldconfig - updates symlinks for shared libraries\n\n"
- "Usage: ldconfig [-DvqnNX] [-f conf] [-C cache] [-r root] dir ...\n"
- " ldconfig -l [-Dv] lib ...\n"
- " ldconfig -p\n\nOptions:\n"
- "\t-D:\t\tdebug mode, don't update links\n"
- "\t-v:\t\tverbose mode, print things as we go\n"
- "\t-q:\t\tquiet mode, don't print warnings\n"
- "\t-n:\t\tdon't process standard directories\n"
- "\t-N:\t\tdon't update the library cache\n"
- "\t-X:\t\tdon't update the library links\n"
- "\t-l:\t\tlibrary mode, manually link libraries\n"
- "\t-p:\t\tprint the current library cache\n"
- "\t-f conf :\tuse conf instead of %s\n"
- "\t-C cache:\tuse cache instead of %s\n"
- "\t-r root :\tfirst, do a chroot to the indicated directory\n"
- "\tdir ... :\tdirectories to process\n"
- "\tlib ... :\tlibraries to link\n\n",
- LDSO_CONF, LDSO_CACHE
- );
- exit(EXIT_FATAL);
-}
-
-#define DIR_SEP ":, \t\n"
-int main(int argc, char **argv)
-{
- int i, c;
- int nodefault = 0;
- int printcache = 0;
- char *cp, *dir, *so;
- char *extpath;
- int libtype, islink;
- char *chroot_dir = NULL;
-
- prog = argv[0];
- opterr = 0;
-
- while ((c = getopt(argc, argv, "DvqnNXlpf:C:r:")) != EOF)
- switch (c)
- {
- case 'D':
- debug = 1; /* debug mode */
- nocache = 1;
- nolinks = 1;
- verbose = 1;
- break;
- case 'v':
- verbose = 1; /* verbose mode */
- break;
- case 'q':
- if (verbose <= 0)
- verbose = -1; /* quiet mode */
- break;
- case 'n':
- nodefault = 1; /* no default dirs */
- nocache = 1;
- break;
- case 'N':
- nocache = 1; /* don't build cache */
- break;
- case 'X':
- nolinks = 1; /* don't update links */
- break;
- case 'l':
- libmode = 1; /* library mode */
- break;
- case 'p':
- printcache = 1; /* print cache */
- break;
- case 'f':
- conffile = optarg; /* alternate conf file */
- break;
- case 'C':
- cachefile = optarg; /* alternate cache file */
- break;
- case 'r':
- chroot_dir = optarg;
- break;
- default:
- usage();
- break;
-
- /* THE REST OF THESE ARE UNDOCUMENTED AND MAY BE REMOVED
- IN FUTURE VERSIONS. */
- }
-
- if (chroot_dir && *chroot_dir) {
- if (chroot(chroot_dir) < 0)
- err(EXIT_FATAL,"couldn't chroot to %s (%s)", chroot_dir, strerror(errno));
- if (chdir("/") < 0)
- err(EXIT_FATAL,"couldn't chdir to / (%s)", strerror(errno));
- }
-
- /* allow me to introduce myself, hi, my name is ... */
- if (verbose > 0)
- printf("%s: uClibc version\n", argv[0]);
-
- if (printcache)
- {
- /* print the cache -- don't you trust me? */
-#ifdef USE_CACHE
- cache_print();
-#else
- warnx("Cache support disabled\n");
-#endif
- exit(EXIT_OK);
- }
- else if (libmode)
- {
- /* so you want to do things manually, eh? */
-
- /* ok, if you're so smart, which libraries do we link? */
- for (i = optind; i < argc; i++)
- {
- /* split into directory and file parts */
- if (!(cp = strrchr(argv[i], '/')))
- {
- dir = "."; /* no dir, only a filename */
- cp = argv[i];
- }
- else
- {
- if (cp == argv[i])
- dir = "/"; /* file in root directory */
- else
- dir = argv[i];
- *cp++ = '\0'; /* neither of the above */
- }
-
- /* we'd better do a little bit of checking */
- if ((so = is_shlib(dir, cp, &libtype, &islink, LIB_ANY)) == NULL)
- err(EXIT_FATAL,"%s%s%s is not a shared library", dir,
- (*dir && strcmp(dir, "/")) ? "/" : "", cp);
-
- /* so far, so good, maybe he knows what he's doing */
- link_shlib(dir, cp, so);
- }
- }
- else
- {
- /* the lazy bum want's us to do all the work for him */
-
- /* don't cache dirs on the command line */
- int nocache_save = nocache;
- nocache = 1;
-
- /* OK, which directories should we do? */
- for (i = optind; i < argc; i++)
- scan_dir(argv[i]);
-
- /* restore the desired caching state */
- nocache = nocache_save;
-
- /* look ma, no defaults */
- if (!nodefault)
- {
- /* I guess the defaults aren't good enough */
- if ((extpath = get_extpath()))
- {
- for (cp = strtok(extpath, DIR_SEP); cp;
- cp = strtok(NULL, DIR_SEP))
- scan_dir(cp);
- free(extpath);
- }
-
- scan_dir(UCLIBC_TARGET_PREFIX "/usr/lib");
- scan_dir(UCLIBC_TARGET_PREFIX "/lib");
- }
-
-#ifdef USE_CACHE
- if (!nocache)
- cache_write();
-#endif
- }
-
- exit(EXIT_OK);
-}
-
#ifdef USE_CACHE
typedef struct liblist
{
@@ -681,8 +521,8 @@ static int liblistcomp(liblist_t *x, liblist_t *y)
if ((res = libcmp(x->soname, y->soname)) == 0)
{
- res = libcmp(strrchr(x->libname, '/') + 1,
- strrchr(y->libname, '/') + 1);
+ res = libcmp(strrchr(x->libname, '/') + 1,
+ strrchr(y->libname, '/') + 1);
}
return res;
@@ -702,14 +542,14 @@ void cache_dolib(const char *dir, const char *so, int libtype)
if (lib_head == NULL || liblistcomp(new_lib, lib_head) > 0)
{
- new_lib->next = lib_head;
+ new_lib->next = lib_head;
lib_head = new_lib;
}
else
{
- for (cur_lib = lib_head; cur_lib->next != NULL &&
- liblistcomp(new_lib, cur_lib->next) <= 0;
- cur_lib = cur_lib->next)
+ for (cur_lib = lib_head; cur_lib->next != NULL &&
+ liblistcomp(new_lib, cur_lib->next) <= 0;
+ cur_lib = cur_lib->next)
/* nothing */;
new_lib->next = cur_lib->next;
cur_lib->next = new_lib;
@@ -729,7 +569,7 @@ void cache_write(void)
sprintf(tempfile, "%s~", cachefile);
if (unlink(tempfile) && errno != ENOENT)
- err(EXIT_FATAL,"can't unlink %s (%s)", tempfile, strerror(errno));
+ err(EXIT_FATAL,"can't unlink %s (%s)", tempfile, strerror(errno));
if ((cachefd = creat(tempfile, 0644)) < 0)
err(EXIT_FATAL,"can't create %s (%s)", tempfile, strerror(errno));
@@ -739,27 +579,27 @@ void cache_write(void)
for (cur_lib = lib_head; cur_lib != NULL; cur_lib = cur_lib->next)
{
- cur_lib->sooffset = stroffset;
+ cur_lib->sooffset = stroffset;
stroffset += strlen(cur_lib->soname) + 1;
cur_lib->liboffset = stroffset;
stroffset += strlen(cur_lib->libname) + 1;
if (write(cachefd, cur_lib, sizeof (libentry_t)) !=
- sizeof (libentry_t))
+ sizeof (libentry_t))
err(EXIT_FATAL,"can't write %s (%s)", tempfile, strerror(errno));
}
for (cur_lib = lib_head; cur_lib != NULL; cur_lib = cur_lib->next)
{
- if (write(cachefd, cur_lib->soname, strlen(cur_lib->soname) + 1)
- != strlen(cur_lib->soname) + 1)
- err(EXIT_FATAL,"can't write %s (%s)", tempfile, strerror(errno));
- if (write(cachefd, cur_lib->libname, strlen(cur_lib->libname) + 1)
- != strlen(cur_lib->libname) + 1)
- err(EXIT_FATAL,"can't write %s (%s)", tempfile, strerror(errno));
+ if (write(cachefd, cur_lib->soname, strlen(cur_lib->soname) + 1)
+ != strlen(cur_lib->soname) + 1)
+ err(EXIT_FATAL,"can't write %s (%s)", tempfile, strerror(errno));
+ if (write(cachefd, cur_lib->libname, strlen(cur_lib->libname) + 1)
+ != strlen(cur_lib->libname) + 1)
+ err(EXIT_FATAL,"can't write %s (%s)", tempfile, strerror(errno));
}
if (close(cachefd))
- err(EXIT_FATAL,"can't close %s (%s)", tempfile, strerror(errno));
+ err(EXIT_FATAL,"can't close %s (%s)", tempfile, strerror(errno));
if (chmod(tempfile, 0644))
err(EXIT_FATAL,"can't chmod %s (%s)", tempfile, strerror(errno));
@@ -801,25 +641,207 @@ void cache_print(void)
printf("\t%s ", strs + libent[fd].sooffset);
switch (libent[fd].flags & ~LIB_ELF64)
{
- case LIB_DLL:
- printf("(libc4)");
- break;
- case LIB_ELF:
- printf("(ELF%s)", libent[fd].flags & LIB_ELF64 ? "/64" : "");
- break;
- case LIB_ELF_LIBC5:
- case LIB_ELF_LIBC6:
- printf("(libc%d%s)", (libent[fd].flags & ~LIB_ELF64) + 3,
- libent[fd].flags & LIB_ELF64 ? "/64" : "");
- break;
- default:
- printf("(unknown)");
- break;
+ case LIB_DLL:
+ printf("(libc4)");
+ break;
+ case LIB_ELF:
+ printf("(ELF%s)", libent[fd].flags & LIB_ELF64 ? "/64" : "");
+ break;
+ case LIB_ELF_LIBC5:
+ case LIB_ELF_LIBC6:
+ printf("(libc%d%s)", (libent[fd].flags & ~LIB_ELF64) + 3,
+ libent[fd].flags & LIB_ELF64 ? "/64" : "");
+ break;
+ default:
+ printf("(unknown)");
+ break;
}
printf(" => %s\n", strs + libent[fd].liboffset);
}
munmap (c,st.st_size);
}
+#else
+void cache_print(void)
+{
+ warnx("Cache support disabled\n");
+}
+#endif
+
+void usage(void)
+{
+ fprintf(stderr,
+ "ldconfig - updates symlinks for shared libraries\n\n"
+ "Usage: ldconfig [-DvqnNX] [-f conf] [-C cache] [-r root] dir ...\n"
+ " ldconfig -l [-Dv] lib ...\n"
+ " ldconfig -p\n\nOptions:\n"
+ "\t-D:\t\tdebug mode, don't update links\n"
+ "\t-v:\t\tverbose mode, print things as we go\n"
+ "\t-q:\t\tquiet mode, don't print warnings\n"
+ "\t-n:\t\tdon't process standard directories\n"
+ "\t-N:\t\tdon't update the library cache\n"
+ "\t-X:\t\tdon't update the library links\n"
+ "\t-l:\t\tlibrary mode, manually link libraries\n"
+ "\t-p:\t\tprint the current library cache\n"
+ "\t-f conf :\tuse conf instead of %s\n"
+ "\t-C cache:\tuse cache instead of %s\n"
+ "\t-r root :\tfirst, do a chroot to the indicated directory\n"
+ "\tdir ... :\tdirectories to process\n"
+ "\tlib ... :\tlibraries to link\n\n",
+ LDSO_CONF, LDSO_CACHE
+ );
+ exit(EXIT_FATAL);
+}
+
+#define DIR_SEP ":, \t\n"
+int main(int argc, char **argv)
+{
+ int i, c;
+ int nodefault = 0;
+ int printcache = 0;
+ char *cp, *dir, *so;
+ char *extpath;
+ int libtype, islink;
+ char *chroot_dir = NULL;
+
+ prog = argv[0];
+ opterr = 0;
+
+ while ((c = getopt(argc, argv, "DvqnNXlpf:C:r:")) != EOF)
+ switch (c)
+ {
+ case 'D':
+ debug = 1; /* debug mode */
+ nocache = 1;
+ nolinks = 1;
+ verbose = 1;
+ break;
+ case 'v':
+ verbose = 1; /* verbose mode */
+ break;
+ case 'q':
+ if (verbose <= 0)
+ verbose = -1; /* quiet mode */
+ break;
+ case 'n':
+ nodefault = 1; /* no default dirs */
+ nocache = 1;
+ break;
+ case 'N':
+ nocache = 1; /* don't build cache */
+ break;
+ case 'X':
+ nolinks = 1; /* don't update links */
+ break;
+ case 'l':
+ libmode = 1; /* library mode */
+ break;
+ case 'p':
+ printcache = 1; /* print cache */
+ break;
+ case 'f':
+ conffile = optarg; /* alternate conf file */
+ break;
+ case 'C':
+ cachefile = optarg; /* alternate cache file */
+ break;
+ case 'r':
+ chroot_dir = optarg;
+ break;
+ default:
+ usage();
+ break;
+
+ /* THE REST OF THESE ARE UNDOCUMENTED AND MAY BE REMOVED
+ IN FUTURE VERSIONS. */
+ }
+
+ if (chroot_dir && *chroot_dir) {
+ if (chroot(chroot_dir) < 0)
+ err(EXIT_FATAL,"couldn't chroot to %s (%s)", chroot_dir, strerror(errno));
+ if (chdir("/") < 0)
+ err(EXIT_FATAL,"couldn't chdir to / (%s)", strerror(errno));
+ }
+
+ /* allow me to introduce myself, hi, my name is ... */
+ if (verbose > 0)
+ printf("%s: uClibc version\n", argv[0]);
+
+ if (printcache)
+ {
+ /* print the cache -- don't you trust me? */
+ cache_print();
+ exit(EXIT_OK);
+ }
+ else if (libmode)
+ {
+ /* so you want to do things manually, eh? */
+
+ /* ok, if you're so smart, which libraries do we link? */
+ for (i = optind; i < argc; i++)
+ {
+ /* split into directory and file parts */
+ if (!(cp = strrchr(argv[i], '/')))
+ {
+ dir = "."; /* no dir, only a filename */
+ cp = argv[i];
+ }
+ else
+ {
+ if (cp == argv[i])
+ dir = "/"; /* file in root directory */
+ else
+ dir = argv[i];
+ *cp++ = '\0'; /* neither of the above */
+ }
+
+ /* we'd better do a little bit of checking */
+ if ((so = is_shlib(dir, cp, &libtype, &islink, LIB_ANY)) == NULL)
+ err(EXIT_FATAL,"%s%s%s is not a shared library", dir,
+ (*dir && strcmp(dir, "/")) ? "/" : "", cp);
+
+ /* so far, so good, maybe he knows what he's doing */
+ link_shlib(dir, cp, so);
+ }
+ }
+ else
+ {
+ /* the lazy bum want's us to do all the work for him */
+
+ /* don't cache dirs on the command line */
+ int nocache_save = nocache;
+ nocache = 1;
+
+ /* OK, which directories should we do? */
+ for (i = optind; i < argc; i++)
+ scan_dir(argv[i]);
+
+ /* restore the desired caching state */
+ nocache = nocache_save;
+
+ /* look ma, no defaults */
+ if (!nodefault)
+ {
+ /* I guess the defaults aren't good enough */
+ if ((extpath = get_extpath()))
+ {
+ for (cp = strtok(extpath, DIR_SEP); cp;
+ cp = strtok(NULL, DIR_SEP))
+ scan_dir(cp);
+ free(extpath);
+ }
+
+ scan_dir(UCLIBC_TARGET_PREFIX "/usr/X11R6/lib");
+ scan_dir(UCLIBC_TARGET_PREFIX "/usr/lib");
+ scan_dir(UCLIBC_TARGET_PREFIX "/lib");
+ }
+
+#ifdef USE_CACHE
+ if (!nocache)
+ cache_write();
#endif
+ }
+
+ exit(EXIT_OK);
+}
diff --git a/ldso/util/ldd.c b/ldso/util/ldd.c
index 9be97cce0..a73d34070 100644
--- a/ldso/util/ldd.c
+++ b/ldso/util/ldd.c
@@ -233,6 +233,7 @@ static void search_for_named_library(char *name, char *result, const char *path_
while((path_n=strstr(path_n, "//"))) {
i = strlen(path_n);
memmove(path_n, path_n+1, i-1);
+ *(path_n + i - 1)='\0';
}
/* Replace colons with zeros in path_list and count them */