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examples/screencopy-dmabuf: stop using strncpy

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strncpy doesn't guarantee that the result is zero-terminated.
This commit is contained in:
Simon Ser 2022-06-04 23:03:39 +02:00
parent 366e8e3b91
commit c2952411d3
1 changed files with 2 additions and 3 deletions
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5
examples/screencopy-dmabuf.c
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@ -76,7 +76,7 @@ static const struct format formats[] = {
{DRM_FORMAT_ABGR8888, false}, {DRM_FORMAT_ABGR8888, false},
}; };
static bool find_render_node(char *node, size_t maxlen) { static bool find_render_node(char *node, size_t node_size) {
bool r = false; bool r = false;
drmDevice *devices[64]; drmDevice *devices[64];
@ -87,8 +87,7 @@ static bool find_render_node(char *node, size_t maxlen) {
continue; continue;
} }
strncpy(node, dev->nodes[DRM_NODE_RENDER], maxlen - 1); snprintf(node, node_size, "%s", dev->nodes[DRM_NODE_RENDER]);
node[maxlen - 1] = '\0';
r = true; r = true;
break; break;
} }