mirror of
https://github.com/moparisthebest/curl
synced 2024-11-15 22:15:13 -05:00
9870b80f81
The fixed-point math made us lose precision and thus a too high index value could be used for outputting the hashtags which could overwrite the newline. The fix increases the precision in the sine table (*100) and the associated position math. Reported-by: Andrew Potter Fixes #4849 Closes #4850
274 lines
8.4 KiB
C
274 lines
8.4 KiB
C
/***************************************************************************
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
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*
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* are also available at https://curl.haxx.se/docs/copyright.html.
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*
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* You may opt to use, copy, modify, merge, publish, distribute and/or sell
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* copies of the Software, and permit persons to whom the Software is
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* furnished to do so, under the terms of the COPYING file.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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***************************************************************************/
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#include "tool_setup.h"
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#ifdef HAVE_SYS_IOCTL_H
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#include <sys/ioctl.h>
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#endif
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#define ENABLE_CURLX_PRINTF
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/* use our own printf() functions */
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#include "curlx.h"
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#include "tool_cfgable.h"
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#include "tool_cb_prg.h"
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#include "tool_util.h"
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#include "tool_operate.h"
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#include "memdebug.h" /* keep this as LAST include */
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#ifdef HAVE_TERMIOS_H
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# include <termios.h>
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#elif defined(HAVE_TERMIO_H)
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# include <termio.h>
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#endif
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/* 200 values generated by this perl code:
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my $pi = 3.1415;
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foreach my $i (1 .. 200) {
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printf "%d, ", sin($i/200 * 2 * $pi) * 500000 + 500000;
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}
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*/
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static const unsigned int sinus[] = {
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515704, 531394, 547052, 562664, 578214, 593687, 609068, 624341, 639491,
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654504, 669364, 684057, 698568, 712883, 726989, 740870, 754513, 767906,
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781034, 793885, 806445, 818704, 830647, 842265, 853545, 864476, 875047,
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885248, 895069, 904500, 913532, 922156, 930363, 938145, 945495, 952406,
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958870, 964881, 970434, 975522, 980141, 984286, 987954, 991139, 993840,
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996054, 997778, 999011, 999752, 999999, 999754, 999014, 997783, 996060,
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993848, 991148, 987964, 984298, 980154, 975536, 970449, 964898, 958888,
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952426, 945516, 938168, 930386, 922180, 913558, 904527, 895097, 885277,
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875077, 864507, 853577, 842299, 830682, 818739, 806482, 793922, 781072,
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767945, 754553, 740910, 727030, 712925, 698610, 684100, 669407, 654548,
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639536, 624386, 609113, 593733, 578260, 562710, 547098, 531440, 515751,
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500046, 484341, 468651, 452993, 437381, 421830, 406357, 390976, 375703,
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360552, 345539, 330679, 315985, 301474, 287158, 273052, 259170, 245525,
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232132, 219003, 206152, 193590, 181331, 169386, 157768, 146487, 135555,
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124983, 114781, 104959, 95526, 86493, 77868, 69660, 61876, 54525, 47613,
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41147, 35135, 29581, 24491, 19871, 15724, 12056, 8868, 6166, 3951, 2225,
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990, 248, 0, 244, 982, 2212, 3933, 6144, 8842, 12025, 15690, 19832, 24448,
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29534, 35084, 41092, 47554, 54462, 61809, 69589, 77794, 86415, 95445,
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104873, 114692, 124891, 135460, 146389, 157667, 169282, 181224, 193480,
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206039, 218888, 232015, 245406, 259048, 272928, 287032, 301346, 315856,
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330548, 345407, 360419, 375568, 390841, 406221, 421693, 437243, 452854,
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468513, 484202, 499907
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};
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static void fly(struct ProgressData *bar, bool moved)
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{
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char buf[256];
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int pos;
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int check = bar->width - 2;
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msnprintf(buf, sizeof(buf), "%*s\r", bar->width-1, " ");
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memcpy(&buf[bar->bar], "-=O=-", 5);
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pos = sinus[bar->tick%200] / (1000000 / check);
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buf[pos] = '#';
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pos = sinus[(bar->tick + 5)%200] / (1000000 / check);
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buf[pos] = '#';
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pos = sinus[(bar->tick + 10)%200] / (1000000 / check);
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buf[pos] = '#';
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pos = sinus[(bar->tick + 15)%200] / (1000000 / check);
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buf[pos] = '#';
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fputs(buf, bar->out);
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bar->tick += 2;
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if(bar->tick >= 200)
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bar->tick -= 200;
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bar->bar += (moved?bar->barmove:0);
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if(bar->bar >= (bar->width - 6)) {
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bar->barmove = -1;
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bar->bar = bar->width - 6;
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}
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else if(bar->bar < 0) {
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bar->barmove = 1;
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bar->bar = 0;
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}
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}
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/*
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** callback for CURLOPT_XFERINFOFUNCTION
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*/
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#define MAX_BARLENGTH 256
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#if (SIZEOF_CURL_OFF_T == 4)
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# define CURL_OFF_T_MAX CURL_OFF_T_C(0x7FFFFFFF)
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#else
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/* assume CURL_SIZEOF_CURL_OFF_T == 8 */
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# define CURL_OFF_T_MAX CURL_OFF_T_C(0x7FFFFFFFFFFFFFFF)
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#endif
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int tool_progress_cb(void *clientp,
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curl_off_t dltotal, curl_off_t dlnow,
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curl_off_t ultotal, curl_off_t ulnow)
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{
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/* The original progress-bar source code was written for curl by Lars Aas,
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and this new edition inherits some of his concepts. */
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struct timeval now = tvnow();
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struct per_transfer *per = clientp;
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struct OperationConfig *config = per->config;
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struct ProgressData *bar = &per->progressbar;
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curl_off_t total;
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curl_off_t point;
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/* Calculate expected transfer size. initial_size can be less than zero
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when indicating that we are expecting to get the filesize from the
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remote */
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if(bar->initial_size < 0 ||
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((CURL_OFF_T_MAX - bar->initial_size) < (dltotal + ultotal)))
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total = CURL_OFF_T_MAX;
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else
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total = dltotal + ultotal + bar->initial_size;
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/* Calculate the current progress. initial_size can be less than zero when
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indicating that we are expecting to get the filesize from the remote */
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if(bar->initial_size < 0 ||
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((CURL_OFF_T_MAX - bar->initial_size) < (dlnow + ulnow)))
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point = CURL_OFF_T_MAX;
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else
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point = dlnow + ulnow + bar->initial_size;
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if(bar->calls) {
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/* after first call... */
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if(total) {
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/* we know the total data to get... */
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if(bar->prev == point)
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/* progress didn't change since last invoke */
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return 0;
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else if((tvdiff(now, bar->prevtime) < 100L) && point < total)
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/* limit progress-bar updating to 10 Hz except when we're at 100% */
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return 0;
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}
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else {
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/* total is unknown */
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if(tvdiff(now, bar->prevtime) < 100L)
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/* limit progress-bar updating to 10 Hz */
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return 0;
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fly(bar, point != bar->prev);
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}
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}
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/* simply count invokes */
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bar->calls++;
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if((total > 0) && (point != bar->prev)) {
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char line[MAX_BARLENGTH + 1];
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char format[40];
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double frac;
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double percent;
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int barwidth;
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int num;
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if(point > total)
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/* we have got more than the expected total! */
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total = point;
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frac = (double)point / (double)total;
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percent = frac * 100.0;
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barwidth = bar->width - 7;
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num = (int) (((double)barwidth) * frac);
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if(num > MAX_BARLENGTH)
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num = MAX_BARLENGTH;
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memset(line, '#', num);
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line[num] = '\0';
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msnprintf(format, sizeof(format), "\r%%-%ds %%5.1f%%%%", barwidth);
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fprintf(bar->out, format, line, percent);
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}
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fflush(bar->out);
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bar->prev = point;
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bar->prevtime = now;
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if(config->readbusy) {
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config->readbusy = FALSE;
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curl_easy_pause(per->curl, CURLPAUSE_CONT);
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}
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return 0;
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}
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void progressbarinit(struct ProgressData *bar,
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struct OperationConfig *config)
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{
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char *colp;
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memset(bar, 0, sizeof(struct ProgressData));
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/* pass this through to progress function so
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* it can display progress towards total file
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* not just the part that's left. (21-may-03, dbyron) */
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if(config->use_resume)
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bar->initial_size = config->resume_from;
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colp = curlx_getenv("COLUMNS");
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if(colp) {
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char *endptr;
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long num = strtol(colp, &endptr, 10);
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if((endptr != colp) && (endptr == colp + strlen(colp)) && (num > 20) &&
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(num < 10000))
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bar->width = (int)num;
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curl_free(colp);
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}
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if(!bar->width) {
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int cols = 0;
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#ifdef TIOCGSIZE
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struct ttysize ts;
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if(!ioctl(STDIN_FILENO, TIOCGSIZE, &ts))
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cols = ts.ts_cols;
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#elif defined(TIOCGWINSZ)
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struct winsize ts;
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if(!ioctl(STDIN_FILENO, TIOCGWINSZ, &ts))
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cols = ts.ws_col;
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#elif defined(WIN32)
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{
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HANDLE stderr_hnd = GetStdHandle(STD_ERROR_HANDLE);
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CONSOLE_SCREEN_BUFFER_INFO console_info;
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if((stderr_hnd != INVALID_HANDLE_VALUE) &&
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GetConsoleScreenBufferInfo(stderr_hnd, &console_info)) {
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/*
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* Do not use +1 to get the true screen-width since writing a
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* character at the right edge will cause a line wrap.
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*/
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cols = (int)
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(console_info.srWindow.Right - console_info.srWindow.Left);
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}
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}
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#endif /* TIOCGSIZE */
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if(cols > 20)
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bar->width = cols;
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}
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if(!bar->width)
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bar->width = 79;
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else if(bar->width > MAX_BARLENGTH)
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bar->width = MAX_BARLENGTH;
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bar->out = config->global->errors;
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bar->tick = 150;
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bar->barmove = 1;
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}
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