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all: fix or silence various gcc warnings

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As usual, gcc finds some real problems but also reports a ton
of noise. Fix the problems and quiet the noise.
This commit is contained in:
Russ Cox 2020-01-12 15:05:40 -05:00 • committed by Russ Cox
parent fa325e9b42
commit fafa622a5b
17 changed files with 27 additions and 22 deletions
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2
src/cmd/grap/coord.c
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@ -35,7 +35,7 @@ void coordlog(int n) /* remember log scaling */
void coord(Obj *p) /* set coord range */
{
static char buf[10];
static char buf[20];
ncoord++;
if (ncoord > 1 && strcmp(p->name, dflt_coord) == 0) {