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-rw-r--r--src/utils.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/src/utils.c b/src/utils.c
index 7dd1890..40d652e 100644
--- a/src/utils.c
+++ b/src/utils.c
@@ -414,9 +414,18 @@ static bool try_card_has_valid_plane(const char *card_path) {
return false;
}
+static void string_copy(char *dst, const char *src, int len) {
+ int src_len = strlen(src);
+ int min_len = src_len;
+ if(len - 1 < min_len)
+ min_len = len - 1;
+ memcpy(dst, src, min_len);
+ dst[min_len] = '\0';
+}
+
bool gsr_get_valid_card_path(gsr_egl *egl, char *output) {
if(egl->dri_card_path) {
- strncpy(output, egl->dri_card_path, 127);
+ string_copy(output, egl->dri_card_path, 127);
return try_card_has_valid_plane(output);
}
@@ -435,7 +444,7 @@ bool gsr_card_path_get_render_path(const char *card_path, char *render_path) {
char *render_path_tmp = drmGetRenderDeviceNameFromFd(fd);
if(render_path_tmp) {
- strncpy(render_path, render_path_tmp, 127);
+ string_copy(render_path, render_path_tmp, 127);
free(render_path_tmp);
close(fd);
return true;