From 64f35361f42946e6e19bcbaa5a8be7b58a159c42 Mon Sep 17 00:00:00 2001 From: Martin Lewis Date: Wed, 26 Dec 2018 16:28:45 +0100 Subject: [PATCH] wget: add -o flag function old new delta wget_main 2348 2412 +64 packed_usage 33062 33093 +31 static.wget_longopts 252 266 +14 progress_meter 158 159 +1 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 4/0 up/down: 110/0) Total: 110 bytes Signed-off-by: Martin Lewis Signed-off-by: Denys Vlasenko --- networking/wget.c | 52 +++++++++++++++++++++++++++++++++-------------- 1 file changed, 37 insertions(+), 15 deletions(-) diff --git a/networking/wget.c b/networking/wget.c index 30683dfc0..da629ccb9 100644 --- a/networking/wget.c +++ b/networking/wget.c @@ -123,14 +123,14 @@ //usage:#define wget_trivial_usage //usage: IF_FEATURE_WGET_LONG_OPTIONS( //usage: "[-c|--continue] [--spider] [-q|--quiet] [-O|--output-document FILE]\n" -//usage: " [--header 'header: value'] [-Y|--proxy on/off] [-P DIR]\n" +//usage: " [-o|--output-file FILE] [--header 'header: value'] [-Y|--proxy on/off]\n" /* Since we ignore these opts, we don't show them in --help */ /* //usage: " [--no-check-certificate] [--no-cache] [--passive-ftp] [-t TRIES]" */ /* //usage: " [-nv] [-nc] [-nH] [-np]" */ -//usage: " [-S|--server-response] [-U|--user-agent AGENT]" IF_FEATURE_WGET_TIMEOUT(" [-T SEC]") " URL..." +//usage: " [-P DIR] [-S|--server-response] [-U|--user-agent AGENT]" IF_FEATURE_WGET_TIMEOUT(" [-T SEC]") " URL..." //usage: ) //usage: IF_NOT_FEATURE_WGET_LONG_OPTIONS( -//usage: "[-cq] [-O FILE] [-Y on/off] [-P DIR] [-S] [-U AGENT]" +//usage: "[-cq] [-O FILE] [-o FILE] [-Y on/off] [-P DIR] [-S] [-U AGENT]" //usage: IF_FEATURE_WGET_TIMEOUT(" [-T SEC]") " URL..." //usage: ) //usage:#define wget_full_usage "\n\n" @@ -147,6 +147,7 @@ //usage: "\n -T SEC Network read timeout is SEC seconds" //usage: ) //usage: "\n -O FILE Save to FILE ('-' for stdout)" +//usage: "\n -o FILE Log messages to FILE" //usage: "\n -U STR Use STR for User-Agent header" //usage: "\n -Y on/off Use proxy" @@ -231,9 +232,11 @@ struct globals { unsigned char user_headers; /* Headers mentioned by the user */ #endif char *fname_out; /* where to direct output (-O) */ + char *fname_log; /* where to direct log (-o) */ const char *proxy_flag; /* Use proxies if env vars are set */ const char *user_agent; /* "User-Agent" header field */ int output_fd; + int log_fd; int o_flags; #if ENABLE_FEATURE_WGET_TIMEOUT unsigned timeout_seconds; @@ -262,16 +265,17 @@ enum { WGET_OPT_QUIET = (1 << 1), WGET_OPT_SERVER_RESPONSE = (1 << 2), WGET_OPT_OUTNAME = (1 << 3), - WGET_OPT_PREFIX = (1 << 4), - WGET_OPT_PROXY = (1 << 5), - WGET_OPT_USER_AGENT = (1 << 6), - WGET_OPT_NETWORK_READ_TIMEOUT = (1 << 7), - WGET_OPT_RETRIES = (1 << 8), - WGET_OPT_nsomething = (1 << 9), - WGET_OPT_HEADER = (1 << 10) * ENABLE_FEATURE_WGET_LONG_OPTIONS, - WGET_OPT_POST_DATA = (1 << 11) * ENABLE_FEATURE_WGET_LONG_OPTIONS, - WGET_OPT_SPIDER = (1 << 12) * ENABLE_FEATURE_WGET_LONG_OPTIONS, - WGET_OPT_NO_CHECK_CERT = (1 << 13) * ENABLE_FEATURE_WGET_LONG_OPTIONS, + WGET_OPT_LOGNAME = (1 << 4), + WGET_OPT_PREFIX = (1 << 5), + WGET_OPT_PROXY = (1 << 6), + WGET_OPT_USER_AGENT = (1 << 7), + WGET_OPT_NETWORK_READ_TIMEOUT = (1 << 8), + WGET_OPT_RETRIES = (1 << 9), + WGET_OPT_nsomething = (1 << 10), + WGET_OPT_HEADER = (1 << 11) * ENABLE_FEATURE_WGET_LONG_OPTIONS, + WGET_OPT_POST_DATA = (1 << 12) * ENABLE_FEATURE_WGET_LONG_OPTIONS, + WGET_OPT_SPIDER = (1 << 13) * ENABLE_FEATURE_WGET_LONG_OPTIONS, + WGET_OPT_NO_CHECK_CERT = (1 << 14) * ENABLE_FEATURE_WGET_LONG_OPTIONS, }; enum { @@ -287,6 +291,10 @@ static void progress_meter(int flag) if (option_mask32 & WGET_OPT_QUIET) return; + /* Don't save progress to log file */ + if (G.log_fd >= 0) + return; + if (flag == PROGRESS_START) bb_progress_init(&G.pmt, G.curfile); @@ -1401,6 +1409,7 @@ int wget_main(int argc UNUSED_PARAM, char **argv) "quiet\0" No_argument "q" "server-response\0" No_argument "S" "output-document\0" Required_argument "O" + "output-file\0" Required_argument "o" "directory-prefix\0" Required_argument "P" "proxy\0" Required_argument "Y" "user-agent\0" Required_argument "U" @@ -1444,7 +1453,7 @@ IF_DESKTOP( "no-parent\0" No_argument "\xf0") #if ENABLE_FEATURE_WGET_LONG_OPTIONS #endif GETOPT32(argv, "^" - "cqSO:P:Y:U:T:+" + "cqSO:o:P:Y:U:T:+" /*ignored:*/ "t:" /*ignored:*/ "n::" /* wget has exactly four -n opts, all of which we can ignore: @@ -1459,7 +1468,7 @@ IF_DESKTOP( "no-parent\0" No_argument "\xf0") "-1" /* at least one URL */ IF_FEATURE_WGET_LONG_OPTIONS(":\xff::") /* --header is a list */ LONGOPTS - , &G.fname_out, &G.dir_prefix, + , &G.fname_out, &G.fname_log, &G.dir_prefix, &G.proxy_flag, &G.user_agent, IF_FEATURE_WGET_TIMEOUT(&G.timeout_seconds) IF_NOT_FEATURE_WGET_TIMEOUT(NULL), NULL, /* -t RETRIES */ @@ -1521,12 +1530,25 @@ IF_DESKTOP( "no-parent\0" No_argument "\xf0") G.o_flags = O_WRONLY | O_CREAT | O_TRUNC; } + G.log_fd = -1; + if (G.fname_log) { /* -o FILE ? */ + if (!LONE_DASH(G.fname_log)) { /* not -o - ? */ + /* compat with wget: -o FILE can overwrite */ + G.log_fd = xopen(G.fname_log, O_WRONLY | O_CREAT | O_TRUNC); + /* Redirect only stderr to log file, so -O - will work */ + xdup2(G.log_fd, STDERR_FILENO); + } + } + while (*argv) download_one_url(*argv++); if (G.output_fd >= 0) xclose(G.output_fd); + if (G.log_fd >= 0) + xclose(G.log_fd); + #if ENABLE_FEATURE_CLEAN_UP && ENABLE_FEATURE_WGET_LONG_OPTIONS free(G.extra_headers); #endif -- 2.25.1