swayfx/sway/commands/output/scale.c

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#include <strings.h>
#include "sway/commands.h"
#include "sway/config.h"
struct cmd_results *output_cmd_scale(int argc, char **argv) {
if (!config->handler_context.output_config) {
return cmd_results_new(CMD_FAILURE, "output", "Missing output config");
}
if (!argc) {
return cmd_results_new(CMD_INVALID, "output",
"Missing scale argument.");
}
char *end;
config->handler_context.output_config->scale = strtof(*argv, &end);
if (*end) {
return cmd_results_new(CMD_INVALID, "output", "Invalid scale.");
}
config->handler_context.leftovers.argc = argc - 1;
config->handler_context.leftovers.argv = argv + 1;
return NULL;
}