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fetch: MFC: make -S argument accept values > 2GB

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Use strtoll() to parse the argument of the -S option.

FreeBSD has supported 64 bit file offsets for more than 25 years on
all architectures and off_t is a 64 bit integer type for that reason.

While strtol() returns a 64 bit value on 64 LP64 architectures, it
is limit to 32 bit on e.g. i386. The strtoll() function returns a 64
but result on all supported architectures and therefore supports the
possible file lengths and file offsets on 32 bit archtectures.

Reported by:	antoine

(cherry picked from commit 32066c96fa)
This commit is contained in:
Stefan Eßer 2022-02-20 15:24:43 +01:00 committed by Eugene Grosbein
parent cacb5f3ea5
commit 9feba5ab90
1 changed files with 1 additions and 1 deletions
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2
usr.bin/fetch/fetch.c
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@ -989,7 +989,7 @@ main(int argc, char *argv[])
r_flag = 1;
break;
case 'S':
S_size = (off_t)strtol(optarg, &end, 10);
S_size = strtoll(optarg, &end, 10);
if (*optarg == '\0' || *end != '\0')
errx(1, "invalid size (%s)", optarg);
break;