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spa: vulkan: simplify kernel version parsing

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Use a single `sscanf()` instead of multiple `strtok()`, `atoi()` calls.
After this change all three components are required to be present.
This commit is contained in:
Barnabás Pőcze 2024-12-15 00:21:45 +01:00
parent 2771c435fd
commit 01d1e29402
1 changed files with 4 additions and 23 deletions
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27
spa/plugins/vulkan/dmabuf_linux.c
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@ -25,6 +25,7 @@
#include <linux/dma-buf.h>
#include <linux/version.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/utsname.h>
#include <xf86drm.h>
@ -51,29 +52,9 @@ bool dmabuf_check_sync_file_import_export(struct spa_log *log) {
return false;
}
// Trim release suffix if any, e.g. "-arch1-1"
for (size_t i = 0; utsname.release[i] != '\0'; i++) {
char ch = utsname.release[i];
if ((ch < '0' || ch > '9') && ch != '.') {
utsname.release[i] = '\0';
break;
}
}
char *rel = strtok(utsname.release, ".");
int major = atoi(rel);
int minor = 0;
rel = strtok(NULL, ".");
if (rel != NULL) {
minor = atoi(rel);
}
int patch = 0;
rel = strtok(NULL, ".");
if (rel != NULL) {
patch = atoi(rel);
}
unsigned int major, minor, patch;
if (sscanf(utsname.release, "%u.%u.%u", &major, &minor, &patch) != 3)
return false;
return KERNEL_VERSION(major, minor, patch) >= KERNEL_VERSION(5, 20, 0);
}