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21 lines
522 B
C
21 lines
522 B
C
#define _POSIX_C_SOURCE 200809L
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#include <stdbool.h>
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#include <string.h>
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#include <xf86drm.h>
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#include "backend/session/dev.h"
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// TODO move to util?
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bool is_drm_card(const char *devname) {
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const char prefix[] = DRM_PRIMARY_MINOR_NAME;
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const char *name = strrchr(devname, '/');
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name = name ? name + 1 : devname;
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if (strncmp(name, prefix, strlen(prefix)) != 0) {
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return false;
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}
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for (size_t i = strlen(prefix); name[i] != '\0'; i++) {
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if (name[i] < '0' || name[i] > '9') {
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return false;
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}
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}
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return true;
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}
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