From 9963c4570b33ac53b598bfed4c19df4c3b620cae Mon Sep 17 00:00:00 2001 From: Daniel Stenberg Date: Mon, 10 Mar 2003 12:19:49 +0000 Subject: renamed string.c to misc.c and added a misc.h for the num2max5() function, and included that header file in recording.c git-svn-id: svn://svn.rockbox.org/rockbox/trunk@3403 a1c6a512-1295-4272-9138-f99709370657 --- apps/misc.c | 61 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 61 insertions(+) create mode 100644 apps/misc.c (limited to 'apps/misc.c') diff --git a/apps/misc.c b/apps/misc.c new file mode 100644 index 0000000000..0226cc2b2f --- /dev/null +++ b/apps/misc.c @@ -0,0 +1,61 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2002 by Daniel Stenberg + * + * All files in this archive are subject to the GNU General Public License. + * See the file COPYING in the source tree root for full license agreement. + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ + +#include "sprintf.h" +#define ONE_KILOBYTE 1024 +#define ONE_MEGABYTE (1024*1024) + +/* The point of this function would be to return a string of the input data, + but never longer than 5 columns. Add suffix k and M when suitable... + Make sure to have space for 6 bytes in the buffer. 5 letters plus the + terminating zero byte. */ +char *num2max5(unsigned int bytes, char *max5) +{ + if(bytes < 100000) { + snprintf(max5, 6, "%5d", bytes); + return max5; + } + if(bytes < (9999*ONE_KILOBYTE)) { + snprintf(max5, 6, "%4dk", bytes/ONE_KILOBYTE); + return max5; + } + if(bytes < (100*ONE_MEGABYTE)) { + /* 'XX.XM' is good as long as we're less than 100 megs */ + snprintf(max5, 6, "%2d.%0dM", + bytes/ONE_MEGABYTE, + (bytes%ONE_MEGABYTE)/(ONE_MEGABYTE/10) ); + return max5; + } + snprintf(max5, 6, "%4dM", bytes/ONE_MEGABYTE); + return max5; +} + +#ifdef TEST_MAX5 +int main(int argc, char **argv) +{ + char buffer[32]; + if(argc>1) { + printf("%d => %s\n", + atoi(argv[1]), + num2max5(atoi(argv[1]), buffer)); + } + return 0; +} + +#endif -- cgit v1.2.3