numtools

perform numerical operations on vectors and matrices in unix pipes
git clone git://src.adamsgaard.dk/numtools # fast
git clone https://src.adamsgaard.dk/numtools.git # slow
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commit 7e2f799e29da287dac3cc67c1f1ade065a63e7d9
parent 211ed30935ec20145286227258cfc75d6d436734
Author: Anders Damsgaard <anders@adamsgaard.dk>
Date:   Tue,  3 May 2022 08:28:59 +0200

range.c: add pledge(2)

Diffstat:

Mrange.c | 3+++


1 file changed, 3 insertions(+), 0 deletions(-)

diff --git a/range.c b/range.c
@@ -25,6 +25,9 @@ main(int argc, char *argv[])
 	double minv = 0.0, maxv = 1.0, dx;
 	char fmtstr[PATH_MAX] = "%g\n";
 
+	if (pledge("stdio", NULL) == -1)
+		err(2, "pledge");
+
 	ARGBEGIN {
 	case 'b':
 		openstart = 1;