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sway commands are implemented using functions that return an error code and (if the function was not successful) an error string. The two are bundled together by the type `struct cmd_results`. This patch alters the command handler prototype so that the cmd_results objects are returned by value (on the stack), instead of by a pointer to a heap allocated instance of a cmd_results. The latter method had the flaw that, if the heap allocation of the cmd_results object failed, the exact return code would be lost. Furthermore, for some command handlers (such as those in sway/commands/output), returning NULL signified success, so an allocation failure could lead to an ignored error. This change prevents both classes of errors. |
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| .. | ||
| sway | ||
| swaybar | ||
| swaynag | ||
| background-image.h | ||
| cairo.h | ||
| ipc-client.h | ||
| ipc.h | ||
| list.h | ||
| log.h | ||
| loop.h | ||
| meson.build | ||
| pango.h | ||
| pool-buffer.h | ||
| stringop.h | ||
| util.h | ||