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mirror of https://github.com/moparisthebest/curl synced 2024-11-16 14:35:03 -05:00
curl/src/tool_cb_prg.c
Daniel Stenberg 64e959ffe3 cleanup: general removal of TODO (and similar) comments
They tend to never get updated anyway so they're frequently inaccurate
and we never go back to revisit them anyway. We document issues to work
on properly in KNOWN_BUGS and TODO instead.
2015-11-13 16:15:26 +01:00

147 lines
4.2 KiB
C

/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2015, 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 "tool_util.h"
#include "memdebug.h" /* keep this as LAST include */
/*
** callback for CURLOPT_XFERINFOFUNCTION
*/
#define MAX_BARLENGTH 256
int tool_progress_cb(void *clientp,
curl_off_t dltotal, curl_off_t dlnow,
curl_off_t ultotal, curl_off_t 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;
struct timeval now = tvnow();
struct ProgressData *bar = (struct ProgressData *)clientp;
curl_off_t total;
curl_off_t point;
/* expected transfer size */
total = dltotal + ultotal + bar->initial_size;
/* we've come this far */
point = dlnow + ulnow + bar->initial_size;
if(bar->calls && (tvdiff(now, bar->prevtime) < 100L) && point < total)
/* after first call, limit progress-bar updating to 10 Hz */
/* update when we're at 100% even if last update is less than 200ms ago */
return 0;
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;
memset(line, '#', num);
line[num] = '\0';
snprintf(format, sizeof(format), "\r%%-%ds %%5.1f%%%%", barwidth);
fprintf(bar->out, format, line, percent);
}
fflush(bar->out);
bar->prev = point;
bar->prevtime = now;
return 0;
}
void progressbarinit(struct ProgressData *bar,
struct OperationConfig *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;
#ifndef __EMX__
/* 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
/* 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->global->errors;
}