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	fix simple plotting label - ploot - simple plotting tools
	git clone git://bitreich.org/ploot git://enlrupgkhuxnvlhsf6lc3fziv5h2hhfrinws65…
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	---
	commit f72c330d6fe40feff1b8295650056525a5905e15
	parent fe139dc6e7dddb2211caedff45f9ba2a0ec47723
	Author: Josuah Demangeon <[email protected]>
	Date: Wed, 7 Feb 2018 11:49:58 +0100

	fix simple plotting label

	Diffstat:
	M ploot.c \| 23 +++++++++++++----------

	1 file changed, 13 insertions(+), 10 deletions(-)
	---
	diff --git a/ploot.c b/ploot.c
	@@ -56,7 +56,8 @@ humanize(char *str, double val)
	precision = (ABS(val) < 10) ? (3) : (ABS(val) < 100) ? (2) : (1);
	if (exp == 0)
	precision++;
	- sprintf(str, "%+.*f%c", precision, val, label[exp]);
	+ snprintf(str, 8, "%+.*f%c", precision, val, label[exp]);
	+ str[7] = '\0';
	if (val >= 0)
	str[0] = ' ';
	}
	@@ -85,7 +86,7 @@ title(char *str, int width)
	{
	if (str == NULL)
	return;
	- printf("%*s\n", (int)(width + strlen(str)) / 2 + MARGIN, str);
	+ printf("%*s\n", (int)(width + strlen(str)) / 2 + MARGIN + 3, str);
	}

	/*
	@@ -95,7 +96,7 @@ title(char *str, int width)
	void
	vaxis(double val, int pos)
	{
	- char label[8];
	+ char label[10];

	if (pos % 4 == 0) {
	humanize(label, val);
	@@ -138,7 +139,7 @@ line(double beg, double end, double top, double bot)
	* If `str' is not NULL, it is set as a title above the graph.
	*/
	void
	-plot(int height, double beg, double end, char *str)
	+plot(double beg, double end, int height, char *str)
	{
	double top, bot, max;
	int h;
	@@ -245,7 +246,7 @@ skip_gaps(time_t tbeg, time_t tend, double *vbuf, time_t …
	void
	usage(void)
	{
	- printf("usage: ploot [-h <height>] [-t <title>] -o <offset>\n");
	+ printf("usage: ploot [-h <height>] [-o <offset>] [-t <title>]\n");
	exit(1);
	}

	@@ -274,12 +275,14 @@ main(int argc, char **argv)
	usage();
	}
	}
	- if (flag_o == 0)
	- usage();

	- tend = read_time_series(vbuf, tbuf);
	- vend = skip_gaps(tbuf, tend, vbuf, flag_o);
	+ if (flag_o == 0) {
	+ vend = read_simple(vbuf);
	+ } else {
	+ tend = read_time_series(vbuf, tbuf);
	+ vend = skip_gaps(tbuf, tend, vbuf, flag_o);
	+ }

	- plot(flag_h, vbuf, vend, flag_t);
	+ plot(vbuf, vend, flag_h, flag_t);
	return 0;
	}