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| author | David Oberhollenzer <david.oberhollenzer@sigma-star.at> | 2019-07-03 15:22:28 +0200 |
|---|---|---|
| committer | David Oberhollenzer <david.oberhollenzer@sigma-star.at> | 2019-07-03 15:28:40 +0200 |
| commit | e981f2e460092e5ae6ad58a60869b78d7f50ec10 (patch) | |
| tree | 7911d99b0ab70a1d8eb92fed244cbc8761b4bf72 /tar/sqfs2tar.c | |
| parent | 70dcf39f5926a66d76eb9fde2cbaef4b6a23a9e1 (diff) | |
Add no-skip option to sqfs2tar
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
Diffstat (limited to 'tar/sqfs2tar.c')
| -rw-r--r-- | tar/sqfs2tar.c | 27 |
1 files changed, 24 insertions, 3 deletions
diff --git a/tar/sqfs2tar.c b/tar/sqfs2tar.c index e568bb4..76c0d74 100644 --- a/tar/sqfs2tar.c +++ b/tar/sqfs2tar.c @@ -17,11 +17,12 @@ #include <stdio.h> static struct option long_opts[] = { + { "no-skip", no_argument, NULL, 's' }, { "help", no_argument, NULL, 'h' }, { "version", no_argument, NULL, 'V' }, }; -static const char *short_opts = "hV"; +static const char *short_opts = "shV"; static const char *usagestr = "Usage: sqfs2tar [OPTIONS...] <sqfsfile>\n" @@ -31,6 +32,10 @@ static const char *usagestr = "\n" "Possible options:\n" "\n" +" --no-skip Abort if a file cannot be stored in a tar\n" +" archive. By default, it is simply skipped\n" +" and a warning is written to stderr." +"\n" " --help, -h Print help text and exit.\n" " --version, -V Print version information and exit.\n" "\n" @@ -43,6 +48,7 @@ static const char *usagestr = static const char *filename; static unsigned int record_counter; +static bool dont_skip = false; static void process_args(int argc, char **argv) { @@ -54,6 +60,9 @@ static void process_args(int argc, char **argv) break; switch (i) { + case 's': + dont_skip = true; + break; case 'h': fputs(usagestr, stdout); exit(EXIT_SUCCESS); @@ -124,12 +133,24 @@ static int write_tree_dfs(fstree_t *fs, tree_node_t *n, data_reader_t *data) target = S_ISLNK(sb.st_mode) ? n->data.slink_target : NULL; ret = write_tar_header(STDOUT_FILENO, &sb, name, target, record_counter++); + + if (ret > 0) { + if (dont_skip) { + fputs("Not allowed to skip files, aborting!\n", + stderr); + ret = -1; + } else { + fprintf(stderr, "Skipping %s\n", name); + ret = 0; + } + free(name); + return ret; + } + free(name); if (ret < 0) return -1; - if (ret > 0) - return 0; if (S_ISREG(n->mode)) { if (data_reader_dump_file(data, n->data.file, |