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Properly honor FILEUTILS_INTERACTIVE and FILEUTILS_FORCE for

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file all file types (not just regular files and dirs).  Unlink
destination files when needed.
 -Erik
This commit is contained in:
Eric Andersen 2002-09-16 09:23:22 +00:00
parent 18b76e6f80
commit 403a73a351
1 changed files with 65 additions and 1 deletions
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66
libbb/copy_file.c
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@ -203,17 +203,81 @@ int copy_file(const char *source, const char *dest, int flags)
} }
} else if (S_ISBLK(source_stat.st_mode) || S_ISCHR(source_stat.st_mode) || } else if (S_ISBLK(source_stat.st_mode) || S_ISCHR(source_stat.st_mode) ||
S_ISSOCK(source_stat.st_mode)) { S_ISSOCK(source_stat.st_mode)) {
if (dest_exists) {
if (flags & FILEUTILS_INTERACTIVE) {
fprintf(stderr, "%s: overwrite `%s'? ", applet_name, dest);
if (!ask_confirmation())
return 0;
}
if (!(flags & FILEUTILS_FORCE)) {
perror_msg("unable to remove `%s'", dest);
return -1;
}
if (unlink(dest) < 0) {
perror_msg("unable to remove `%s'", dest);
return -1;
}
dest_exists = 0;
}
if (mknod(dest, source_stat.st_mode, source_stat.st_rdev) < 0) { if (mknod(dest, source_stat.st_mode, source_stat.st_rdev) < 0) {
perror_msg("unable to create `%s'", dest); perror_msg("unable to create `%s'", dest);
return -1; return -1;
} }
} else if (S_ISFIFO(source_stat.st_mode)) { } else if (S_ISFIFO(source_stat.st_mode)) {
if (dest_exists) {
if (flags & FILEUTILS_INTERACTIVE) {
fprintf(stderr, "%s: overwrite `%s'? ", applet_name, dest);
if (!ask_confirmation())
return 0;
}
if (!(flags & FILEUTILS_FORCE)) {
perror_msg("unable to remove `%s'", dest);
return -1;
}
if (unlink(dest) < 0) {
perror_msg("unable to remove `%s'", dest);
return -1;
}
dest_exists = 0;
}
if (mkfifo(dest, source_stat.st_mode) < 0) { if (mkfifo(dest, source_stat.st_mode) < 0) {
perror_msg("cannot create fifo `%s'", dest); perror_msg("cannot create fifo `%s'", dest);
return -1; return -1;
} }
} else if (S_ISLNK(source_stat.st_mode)) { } else if (S_ISLNK(source_stat.st_mode)) {
char *lpath = xreadlink(source); char *lpath;
if (dest_exists) {
if (flags & FILEUTILS_INTERACTIVE) {
fprintf(stderr, "%s: overwrite `%s'? ", applet_name, dest);
if (!ask_confirmation())
return 0;
}
if (!(flags & FILEUTILS_FORCE)) {
perror_msg("unable to remove `%s'", dest);
return -1;
}
if (unlink(dest) < 0) {
perror_msg("unable to remove `%s'", dest);
return -1;
}
dest_exists = 0;
}
lpath = xreadlink(source);
if (symlink(lpath, dest) < 0) { if (symlink(lpath, dest) < 0) {
perror_msg("cannot create symlink `%s'", dest); perror_msg("cannot create symlink `%s'", dest);
return -1; return -1;