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authorPeter Eisentraut <peter@eisentraut.org>2021-08-20 07:48:22 +0200
committerPeter Eisentraut <peter@eisentraut.org>2021-08-20 10:51:59 +0200
commitf1899f251df421a4715ce5e231855eb6914bf77d (patch)
tree4961e9babb6a85fe17c93767302aded0502657e5
parent8d2d6ec7708b475787fd92a9f828e554805e3df6 (diff)
downloadpostgresql-f1899f251df421a4715ce5e231855eb6914bf77d.tar.gz
postgresql-f1899f251df421a4715ce5e231855eb6914bf77d.zip
pg_amcheck: Fix block number parsing on command line
The previous code wouldn't handle higher block numbers on systems where sizeof(long) == 4. Reviewed-by: Mark Dilger <mark.dilger@enterprisedb.com> Discussion: https://www.postgresql.org/message-id/flat/6a10a211-872b-3c4c-106b-909ae5fefa61%40enterprisedb.com
-rw-r--r--src/bin/pg_amcheck/pg_amcheck.c17
1 files changed, 11 insertions, 6 deletions
diff --git a/src/bin/pg_amcheck/pg_amcheck.c b/src/bin/pg_amcheck/pg_amcheck.c
index a86a1c09878..af83d600abe 100644
--- a/src/bin/pg_amcheck/pg_amcheck.c
+++ b/src/bin/pg_amcheck/pg_amcheck.c
@@ -298,6 +298,7 @@ main(int argc, char *argv[])
long_options, &optindex)) != -1)
{
char *endptr;
+ unsigned long optval;
switch (c)
{
@@ -407,30 +408,34 @@ main(int argc, char *argv[])
}
break;
case 7:
- opts.startblock = strtol(optarg, &endptr, 10);
- if (*endptr != '\0')
+ errno = 0;
+ optval = strtoul(optarg, &endptr, 10);
+ if (endptr == optarg || *endptr != '\0' || errno != 0)
{
pg_log_error("invalid start block");
exit(1);
}
- if (opts.startblock > MaxBlockNumber || opts.startblock < 0)
+ if (optval > MaxBlockNumber)
{
pg_log_error("start block out of bounds");
exit(1);
}
+ opts.startblock = optval;
break;
case 8:
- opts.endblock = strtol(optarg, &endptr, 10);
- if (*endptr != '\0')
+ errno = 0;
+ optval = strtoul(optarg, &endptr, 10);
+ if (endptr == optarg || *endptr != '\0' || errno != 0)
{
pg_log_error("invalid end block");
exit(1);
}
- if (opts.endblock > MaxBlockNumber || opts.endblock < 0)
+ if (optval > MaxBlockNumber)
{
pg_log_error("end block out of bounds");
exit(1);
}
+ opts.endblock = optval;
break;
case 9:
opts.rootdescend = true;