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Diffstat (limited to 'src/tool_progress.c')
| -rw-r--r-- | src/tool_progress.c | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/src/tool_progress.c b/src/tool_progress.c new file mode 100644 index 000000000..e892ff3d2 --- /dev/null +++ b/src/tool_progress.c @@ -0,0 +1,142 @@ +/*************************************************************************** + * _ _ ____ _ + * Project ___| | | | _ \| | + * / __| | | | |_) | | + * | (__| |_| | _ <| |___ + * \___|\___/|_| \_\_____| + * + * Copyright (C) 1998 - 2011, 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 "setup.h" + +#include <curl/curl.h> + +#define ENABLE_CURLX_PRINTF +/* use our own printf() functions */ +#include "curlx.h" + +#include "tool_cfgable.h" +#include "tool_progress.h" + +#include "memdebug.h" /* keep this as LAST include */ + +int my_progress(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[256]; + char outline[256]; + 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 { + frac = (double)point / (double)total; + percent = frac * 100.0f; + barwidth = bar->width - 7; + num = (int) (((double)barwidth) * frac); + for(i = 0; i < num; i++) + line[i] = '#'; + line[i] = '\0'; + snprintf(format, sizeof(format), "%%-%ds %%5.1f%%%%", barwidth); + snprintf(outline, sizeof(outline), format, line, percent); + fprintf(bar->out, "\r%s", outline); + } + 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; +} + |