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| author | Denis Vlasenko | 2007-09-27 15:07:23 +0000 |
|---|---|---|
| committer | Denis Vlasenko | 2007-09-27 15:07:23 +0000 |
| commit | a36535b0676aab90b0411a85222c4f3c0eede406 (patch) | |
| tree | 0ecd01d99e6d82a28bc0e03fabdef86aa17411e5 | |
| parent | 6124c37135b2766d785471fe9b3eba9c1a233c66 (diff) | |
| download | busybox-a36535b0676aab90b0411a85222c4f3c0eede406.zip busybox-a36535b0676aab90b0411a85222c4f3c0eede406.tar.gz | |
wget: -O FILE is allowed to overwrite existing file (compat)
| -rw-r--r-- | networking/wget.c | 26 |
1 files changed, 16 insertions, 10 deletions
diff --git a/networking/wget.c b/networking/wget.c index df1a45b..3f9954c 100644 --- a/networking/wget.c +++ b/networking/wget.c @@ -409,8 +409,8 @@ int wget_main(int argc, char **argv) llist_t *headers_llist = NULL; #endif FILE *sfp = NULL; /* socket to web/ftp server */ - FILE *dfp = NULL; /* socket to ftp server (data) */ - char *fname_out = NULL; /* where to direct output (-O) */ + FILE *dfp; /* socket to ftp server (data) */ + char *fname_out; /* where to direct output (-O) */ bool got_clen = 0; /* got content-length: from server */ int output_fd = -1; bool use_proxy = 1; /* Use proxies if env vars are set */ @@ -496,7 +496,7 @@ int wget_main(int argc, char **argv) } /* Guess an output filename, if there was no -O FILE */ - if (!fname_out) { + if (!(opt & WGET_OPT_OUTNAME)) { fname_out = bb_get_last_path_component_nostrip(target.path); /* handle "wget http://kernel.org//" */ if (fname_out[0] == '/' || !fname_out[0]) @@ -504,6 +504,12 @@ int wget_main(int argc, char **argv) /* -P DIR is considered only if there was no -O FILE */ if (dir_prefix) fname_out = concat_path_file(dir_prefix, fname_out); + } else { + if (LONE_DASH(fname_out)) { + /* -O - */ + output_fd = 1; + opt &= ~WGET_OPT_CONTINUE; + } } #if ENABLE_FEATURE_WGET_STATUSBAR curfile = bb_get_last_path_component_nostrip(fname_out); @@ -514,10 +520,6 @@ int wget_main(int argc, char **argv) bb_error_msg_and_die("cannot specify continue (-c) without a filename (-O)"); */ /* Determine where to start transfer */ - if (LONE_DASH(fname_out)) { - output_fd = 1; - opt &= ~WGET_OPT_CONTINUE; - } if (opt & WGET_OPT_CONTINUE) { output_fd = open(fname_out, O_WRONLY); if (output_fd >= 0) { @@ -744,9 +746,13 @@ int wget_main(int argc, char **argv) */ /* Do it before progressmeter (want to have nice error message) */ - if (output_fd < 0) - output_fd = xopen(fname_out, - O_WRONLY|O_CREAT|O_EXCL|O_TRUNC); + if (output_fd < 0) { + int o_flags = O_WRONLY | O_CREAT | O_TRUNC | O_EXCL; + /* compat with wget: -O FILE can overwrite */ + if (opt & WGET_OPT_OUTNAME) + o_flags = O_WRONLY | O_CREAT | O_TRUNC; + output_fd = xopen(fname_out, o_flags); + } if (!(opt & WGET_OPT_QUIET)) progressmeter(-1); |