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#include "gpu.h"
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
const char *run_res_command(const char *command) {
char buf[128];
char *out = NULL;
size_t outsize = 0;
FILE *p = popen(command, "r");
if (!p) {
fprintf(stderr, "解像度コマンドを実効に失敗: %s", command);
return NULL;
}
while (fgets(buf, sizeof(buf), p) != NULL) {
buf[strcspn(buf, "\n")] = '\0';
size_t len = strlen(buf);
char *nout = realloc(out, outsize + len + 1);
if (nout == NULL) {
perror("メモリの役割に失敗");
free(out);
pclose(p);
return NULL;
}
out = nout;
memccpy(out + outsize, buf, sizeof(buf), len);
outsize += len;
out[outsize] = '\0';
}
pclose(p);
return out;
}
const char *display_resolution() {
return run_res_command("xrandr --nograb --current | "
"awk -F 'connected |\\\\+|\\\\(' '/ "
"connected.*[0-9]+x[0-9]+\\+/ && $2 {printf $2 "
"\", \"}' | sed 's/primary //' | sed 's/,//'");
}
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