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Canonicalize dirname(3) behavior.

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This commit is contained in:
Matt Kraai 2001-08-24 19:51:54 +00:00
parent 2a953aed38
commit ac20ce1924
5 changed files with 25 additions and 13 deletions
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6
archival/tar.c
View File

@ -342,9 +342,11 @@ tarExtractRegularFile(TarInfo *header, int extractFlag, int tostdoutFlag)
if (extractFlag==TRUE && tostdoutFlag==FALSE) {
/* Create the path to the file, just in case it isn't there...
* This should not screw up path permissions or anything. */
char *dir = dirname (header->name);
char *buf, *dir;
buf = xstrdup (header->name);
dir = dirname (buf);
make_directory (dir, -1, FILEUTILS_RECUR);
free (dir);
free (buf);
if ((outFd=open(header->name, O_CREAT|O_TRUNC|O_WRONLY,
header->mode & ~S_IFMT)) < 0) {
error_msg(io_error, header->name, strerror(errno));

10
libbb/dirname.c
View File

@ -22,7 +22,8 @@
#include <string.h>
#include "libbb.h"
/* Return a string on the heap containing the directory component of PATH. */
/* Return a string containing the path name of the parent
* directory of PATH. */
char *dirname(const char *path)
{
@ -43,7 +44,8 @@ char *dirname(const char *path)
s--;
if (s < path)
return xstrdup (".");
else
return xstrndup (path, s - path + 1);
return ".";
s[1] = '\0';
return path;
}

10
libbb/make_directory.c
View File

@ -50,13 +50,17 @@ int make_directory (char *path, long mode, int flags)
if (stat (path, &st) < 0 && errno == ENOENT) {
int status;
char *parent = dirname (path);
mode_t mask = umask (0);
char *buf, *parent;
mode_t mask;
mask = umask (0);
umask (mask);
buf = xstrdup (path);
parent = dirname (buf);
status = make_directory (parent, (0777 & ~mask) | 0300,
FILEUTILS_RECUR);
free (parent);
free (buf);
if (status < 0 || make_directory (path, mode, 0) < 0)
return -1;

6
libbb/unarchive.c
View File

@ -127,13 +127,15 @@ char *extract_archive(FILE *src_stream, FILE *out_stream, const file_header_t *f
}
}
if (function & extract_create_leading_dirs) { /* Create leading directories with default umask */
char *parent = dirname(full_name);
char *buf, *parent;
buf = xstrdup(full_name);
parent = dirname(full_name);
if (make_directory (parent, -1, FILEUTILS_RECUR) != 0) {
if ((function & extract_quiet) != extract_quiet) {
error_msg("couldn't create leading directories");
}
}
free (parent);
free (buf);
}
switch(file_entry->mode & S_IFMT) {
case S_IFREG:

6
tar.c
View File

@ -342,9 +342,11 @@ tarExtractRegularFile(TarInfo *header, int extractFlag, int tostdoutFlag)
if (extractFlag==TRUE && tostdoutFlag==FALSE) {
/* Create the path to the file, just in case it isn't there...
* This should not screw up path permissions or anything. */
char *dir = dirname (header->name);
char *buf, *dir;
buf = xstrdup (header->name);
dir = dirname (buf);
make_directory (dir, -1, FILEUTILS_RECUR);
free (dir);
free (buf);
if ((outFd=open(header->name, O_CREAT|O_TRUNC|O_WRONLY,
header->mode & ~S_IFMT)) < 0) {
error_msg(io_error, header->name, strerror(errno));