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qdev: accept hex properties only if prefixed by 0x

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Hex properties are an obstacle to removal of old qdev string parsing, but
even here we can lay down the foundations for future simplification.  In
general, they are rarely used and their printed form is more interesting
than the parsing.  For example you'd usually set isa-serial.index
instead of isa-serial.iobase.  And luckily our main client, libvirt
only cares about few of these, and always sets them with a 0x prefix.
So the series stops accepting bare hexadecimal numbers, preparing for
making legacy properties read-only in 1.3 or so.  The read side will
stay as long as "info qtree" is with us.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2012-02-09 10:07:38 +01:00
parent 768a9ebe18
commit 97aa6e9b8f
1 changed files with 12 additions and 0 deletions
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12
hw/qdev-properties.c
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@ -164,6 +164,10 @@ static int parse_hex8(DeviceState *dev, Property *prop, const char *str)
uint8_t *ptr = qdev_get_prop_ptr(dev, prop);
char *end;
if (str[0] != '0' || str[1] != 'x') {
return -EINVAL;
}
*ptr = strtoul(str, &end, 16);
if ((*end != '\0') || (end == str)) {
return -EINVAL;
@ -369,6 +373,10 @@ static int parse_hex32(DeviceState *dev, Property *prop, const char *str)
uint32_t *ptr = qdev_get_prop_ptr(dev, prop);
char *end;
if (str[0] != '0' || str[1] != 'x') {
return -EINVAL;
}
*ptr = strtoul(str, &end, 16);
if ((*end != '\0') || (end == str)) {
return -EINVAL;
@ -456,6 +464,10 @@ static int parse_hex64(DeviceState *dev, Property *prop, const char *str)
uint64_t *ptr = qdev_get_prop_ptr(dev, prop);
char *end;
if (str[0] != '0' || str[1] != 'x') {
return -EINVAL;
}
*ptr = strtoull(str, &end, 16);
if ((*end != '\0') || (end == str)) {
return -EINVAL;