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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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6
src/cmd/troff/t6.c
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@ -723,15 +723,15 @@ setfp(int pos, int f, char *truename, int print) /* mount font f at position pos
else
strcpy(shortname, (char *) unpair(f));
if (truename && strrchr(truename, '/')) { /* .fp 1 R dir/file: use verbatim */
sprintf(pathname, "%s", truename);
snprintf(pathname, NS, "%s", truename);
if (fonts[pos].truename)
free(fonts[pos].truename);
fonts[pos].truename = strdupl(truename);
} else if (truename) { /* synonym: .fp 1 R Avant */
sprintf(pathname, "%s/dev%s/%s", fontdir, devname, truename);
snprintf(pathname, NS, "%s/dev%s/%s", fontdir, devname, truename);
truename = 0; /* so doesn't get repeated by ptfpcmd */
} else /* vanilla: .fp 5 XX */
sprintf(pathname, "%s/dev%s/%s", fontdir, devname, shortname);
snprintf(pathname, NS, "%s/dev%s/%s", fontdir, devname, shortname);
if (truename == 0 && fonts[pos].truename != 0) {
free(fonts[pos].truename);
fonts[pos].truename = 0;