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InnoDB: Tolerate negative return values from ftell().

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This commit is contained in:
marko@hundin.mysql.fi
2005-01-27 14:05:44 +02:00
parent 86da2b8f40
commit 4117949ace
1 changed files with 9 additions and 9 deletions
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18
sql/ha_innodb.cc
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@@ -4346,12 +4346,12 @@ ha_innobase::update_table_comment(
(ulong) innobase_get_free_space());
dict_print_info_on_foreign_keys(FALSE, file, prebuilt->table);
flen = ftell(file);
if(length + flen + 3 > 64000) {
if (flen < 0) {
flen = 0;
} else if (length + flen + 3 > 64000) {
flen = 64000 - 3 - length;
}
ut_ad(flen > 0);
/* allocate buffer for the full string, and
read the contents of the temporary file */
@@ -4414,12 +4414,12 @@ ha_innobase::get_foreign_key_create_info(void)
prebuilt->trx->op_info = (char*)"";
flen = ftell(file);
if(flen > 64000 - 1) {
if (flen < 0) {
flen = 0;
} else if(flen > 64000 - 1) {
flen = 64000 - 1;
}
ut_ad(flen >= 0);
/* allocate buffer for the string, and
read the contents of the temporary file */
@@ -4800,12 +4800,12 @@ innodb_show_status(
srv_printf_innodb_monitor(srv_monitor_file);
flen = ftell(srv_monitor_file);
os_file_set_eof(srv_monitor_file);
if(flen > 64000 - 1) {
if (flen < 0) {
flen = 0;
} else if (flen > 64000 - 1) {
flen = 64000 - 1;
}
ut_ad(flen > 0);
/* allocate buffer for the string, and
read the contents of the temporary file */