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util/cutils: Return qemu_strtosz*() error and value separately

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This makes qemu_strtosz(), qemu_strtosz_mebi() and
qemu_strtosz_metric() similar to qemu_strtoi64(), except negative
values are rejected.

Cc: Dr. David Alan Gilbert <dgilbert@redhat.com>
Cc: Eduardo Habkost <ehabkost@redhat.com> (maintainer:X86)
Cc: Kevin Wolf <kwolf@redhat.com> (supporter:Block layer core)
Cc: Max Reitz <mreitz@redhat.com> (supporter:Block layer core)
Cc: qemu-block@nongnu.org (open list:Block layer core)
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <1487708048-2131-23-git-send-email-armbru@redhat.com>
This commit is contained in:
Markus Armbruster 2017-02-21 21:14:06 +01:00
parent 4fcdf65ae2
commit f17fd4fdf0
10 changed files with 119 additions and 77 deletions
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5
target/i386/cpu.c
View file

@ -2033,10 +2033,11 @@ static void x86_cpu_parse_featurestr(const char *typename, char *features,
/* Special case: */
if (!strcmp(name, "tsc-freq")) {
int ret;
int64_t tsc_freq;
tsc_freq = qemu_strtosz_metric(val, NULL);
if (tsc_freq < 0) {
ret = qemu_strtosz_metric(val, NULL, &tsc_freq);
if (ret < 0) {
error_setg(errp, "bad numerical value %s", val);
return;
}