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g[un]zip: add support for -v (verbose).

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Add CONFIG_DESKTOP, almost all bloat from this change
is hidden under that.
This commit is contained in:
Denis Vlasenko
2006-10-01 15:55:11 +00:00
parent f8aa109a9f
commit 97a8dd3857
15 changed files with 122 additions and 72 deletions
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56
archival/gunzip.c
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@@ -34,13 +34,15 @@
#define GUNZIP_OPT_FORCE 2
#define GUNZIP_OPT_TEST 4
#define GUNZIP_OPT_DECOMPRESS 8
#define GUNZIP_OPT_VERBOSE 0x10
int gunzip_main(int argc, char **argv)
{
char status = EXIT_SUCCESS;
USE_DESKTOP(long long) int status;
int exitcode = 0;
unsigned long opt;
opt = bb_getopt_ulflags(argc, argv, "cftd");
opt = bb_getopt_ulflags(argc, argv, "cftdv");
/* if called as zcat */
if (strcmp(bb_applet_name, "zcat") == 0) {
opt |= GUNZIP_OPT_STDOUT;
@@ -59,6 +61,8 @@ int gunzip_main(int argc, char **argv)
if (old_path == NULL || strcmp(old_path, "-") == 0) {
src_fd = STDIN_FILENO;
opt |= GUNZIP_OPT_STDOUT;
USE_DESKTOP(opt &= ~GUNZIP_OPT_VERBOSE;)
optind = argc; /* we don't handle "gunzip - a.gz b.gz" */
} else {
src_fd = xopen(old_path, O_RDONLY);
@@ -67,9 +71,9 @@ int gunzip_main(int argc, char **argv)
}
/* Check that the input is sane. */
if (isatty(src_fd) && ((opt & GUNZIP_OPT_FORCE) == 0)) {
if (isatty(src_fd) && !(opt & GUNZIP_OPT_FORCE)) {
bb_error_msg_and_die
("compressed data not read from terminal. Use -f to force it.");
("compressed data not read from terminal, use -f to force it");
}
/* Set output filename and number */
@@ -94,7 +98,8 @@ int gunzip_main(int argc, char **argv)
extension[2] = 'a';
extension[3] = 'r';
} else {
bb_error_msg_and_die("Invalid extension");
// FIXME: should we die or just skip to next?
bb_error_msg_and_die("invalid extension");
}
/* Open output file (with correct permissions) */
@@ -105,30 +110,34 @@ int gunzip_main(int argc, char **argv)
delete_path = old_path;
}
status = -1;
/* do the decompression, and cleanup */
if (xread_char(src_fd) == 0x1f) {
unsigned char magic2;
magic2 = xread_char(src_fd);
#ifdef CONFIG_FEATURE_GUNZIP_UNCOMPRESS
if (magic2 == 0x9d) {
if (ENABLE_FEATURE_GUNZIP_UNCOMPRESS && magic2 == 0x9d) {
status = uncompress(src_fd, dst_fd);
} else
#endif
if (magic2 == 0x8b) {
check_header_gzip(src_fd);
status = inflate_gunzip(src_fd, dst_fd);
if (status != 0) {
bb_error_msg_and_die("error inflating");
}
} else {
bb_error_msg_and_die("invalid magic");
}
} else if (magic2 == 0x8b) {
check_header_gzip(src_fd); // FIXME: xfunc? _or_die?
status = inflate_gunzip(src_fd, dst_fd);
} else {
bb_error_msg("invalid magic");
exitcode = 1;
}
if (status < 0) {
bb_error_msg("error inflating");
exitcode = 1;
}
else if (ENABLE_DESKTOP && (opt & GUNZIP_OPT_VERBOSE)) {
fprintf(stderr, "%s: %u%% - replaced with %s\n",
// TODO: LARGEFILE support for stat_buf.st_size?
old_path, (unsigned)(stat_buf.st_size*100 / (status+1)), new_path);
}
} else {
bb_error_msg_and_die("invalid magic");
bb_error_msg("invalid magic"); exitcode = 1;
}
if ((status != EXIT_SUCCESS) && (new_path)) {
if (status < 0 && new_path) {
/* Unzip failed, remove new path instead of old path */
delete_path = new_path;
}
@@ -142,12 +151,13 @@ int gunzip_main(int argc, char **argv)
/* delete_path will be NULL if in test mode or from stdin */
if (delete_path && (unlink(delete_path) == -1)) {
bb_error_msg_and_die("cannot remove %s", delete_path);
bb_error_msg("cannot remove %s", delete_path);
exitcode = 1;
}
free(new_path);
} while (optind < argc);
return status;
return exitcode;
}