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devices: add index based device removal function

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The undo machinery will need a method to remove devices based
on their index instead of their name. Add it.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
This commit is contained in:
Berthold Stoeger 2020-10-24 22:46:36 +02:00 committed by Dirk Hohndel
parent fa7dfa3710
commit 3a2f1b17b6
2 changed files with 8 additions and 0 deletions
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7
core/device.cpp
View file

@ -319,6 +319,13 @@ extern "C" int remove_device(struct device_table *device_table, const struct dev
}
}
extern "C" void remove_from_device_table(struct device_table *device_table, int idx)
{
if (idx < 0 || idx >= (int)device_table->devices.size())
return;
device_table->devices.erase(device_table->devices.begin() + idx);
}
extern "C" void clear_device_table(struct device_table *device_table)
{
device_table->devices.clear();

1
core/device.h
View file

@ -32,6 +32,7 @@ extern const struct device *get_device_for_dc(const struct device_table *table,
extern bool device_exists(const struct device_table *table, const struct device *dev);
extern int add_to_device_table(struct device_table *table, const struct device *dev); // returns index
extern int remove_device(struct device_table *table, const struct device *dev); // returns index or -1 if not found
extern void remove_from_device_table(struct device_table *table, int idx);
// struct device accessors for C-code. The returned strings are not stable!
const char *device_get_model(const struct device *dev);