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/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2012, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at http://curl.haxx.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
***************************************************************************/
#include "tool_setup.h"
#define ENABLE_CURLX_PRINTF
/* use our own printf() functions */
#include "curlx.h"
#include "tool_cfgable.h"
#include "tool_cb_prg.h"
#include "memdebug.h" /* keep this as LAST include */
/*
** callback for CURLOPT_PROGRESSFUNCTION
*/
#define MAX_BARLENGTH 256
int tool_progress_cb(void *clientp,
double dltotal, double dlnow,
double ultotal, double ulnow)
{
/* The original progress-bar source code was written for curl by Lars Aas,
and this new edition inherits some of his concepts. */
char line[MAX_BARLENGTH+1];
char format[40];
double frac;
double percent;
int barwidth;
int num;
int i;
struct ProgressData *bar = (struct ProgressData *)clientp;
/* expected transfer size */
curl_off_t total = (curl_off_t)dltotal + (curl_off_t)ultotal +
bar->initial_size;
/* we've come this far */
curl_off_t point = (curl_off_t)dlnow + (curl_off_t)ulnow +
bar->initial_size;
if(point > total)
/* we have got more than the expected total! */
total = point;
/* simply count invokes */
bar->calls++;
if(total < 1) {
curl_off_t prevblock = bar->prev / 1024;
curl_off_t thisblock = point / 1024;
while(thisblock > prevblock) {
fprintf(bar->out, "#");
prevblock++;
}
}
else if(point != bar->prev) {
frac = (double)point / (double)total;
percent = frac * 100.0f;
barwidth = bar->width - 7;
num = (int) (((double)barwidth) * frac);
if(num > MAX_BARLENGTH)
num = MAX_BARLENGTH;
for(i = 0; i < num; i++)
line[i] = '#';
line[i] = '\0';
snprintf(format, sizeof(format), "\r%%-%ds %%5.1f%%%%", barwidth);
fprintf(bar->out, format, line, percent);
}
fflush(bar->out);
bar->prev = point;
return 0;
}
void progressbarinit(struct ProgressData *bar,
struct Configurable *config)
{
#ifdef __EMX__
/* 20000318 mgs */
int scr_size[2];
#endif
char *colp;
memset(bar, 0, sizeof(struct ProgressData));
/* pass this through to progress function so
* it can display progress towards total file
* not just the part that's left. (21-may-03, dbyron) */
if(config->use_resume)
bar->initial_size = config->resume_from;
/* TODO: get terminal width through ansi escapes or something similar.
try to update width when xterm is resized... - 19990617 larsa */
#ifndef __EMX__
/* 20000318 mgs
* OS/2 users most likely won't have this env var set, and besides that
* we're using our own way to determine screen width */
colp = curlx_getenv("COLUMNS");
if(colp) {
char *endptr;
long num = strtol(colp, &endptr, 10);
if((endptr != colp) && (endptr == colp + strlen(colp)) && (num > 0))
bar->width = (int)num;
else
bar->width = 79;
curl_free(colp);
}
else
bar->width = 79;
#else
/* 20000318 mgs
* We use this emx library call to get the screen width, and subtract
* one from what we got in order to avoid a problem with the cursor
* advancing to the next line if we print a string that is as long as
* the screen is wide. */
_scrsize(scr_size);
bar->width = scr_size[0] - 1;
#endif
bar->out = config->errors;
}
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