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fix for issue #369

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adding cast preventing int/unsigned comparison (-Wsign-compare warning in lib.c)
This commit is contained in:
weichslgartner
2022-06-30 18:40:07 +02:00
parent cfe13a4c7d
commit da0326ffc6
1 changed files with 4 additions and 4 deletions
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lib.c
+4 -4
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@@ -572,13 +572,13 @@ static int snprintf_error_data(char *buf, size_t len, uint8_t err,
if (count){
/* Fix for potential buffer overflow https://lgtm.com/rules/1505913226124/ */
tmp_n = snprintf(buf + n, len - n, ",");
if (tmp_n < 0 || tmp_n >= len - n){
if (tmp_n < 0 || (size_t)tmp_n >= len - n){
return n;
}
n += tmp_n;
}
tmp_n = snprintf(buf + n, len - n, "%s", arr[i]);
if (tmp_n < 0 || tmp_n >= len - n){
if (tmp_n < 0 || (size_t)tmp_n >= len - n){
return n;
}
n += tmp_n;
@@ -658,13 +658,13 @@ void snprintf_can_error_frame(char *buf, size_t len, const struct canfd_frame *c
if (classes){
/* Fix for potential buffer overflow https://lgtm.com/rules/1505913226124/ */
tmp_n = snprintf(buf + n, len - n, "%s", sep);
if (tmp_n < 0 || tmp_n >= len - n){
if (tmp_n < 0 || (size_t)tmp_n >= len - n){
return;
}
n += tmp_n;
}
tmp_n = snprintf(buf + n, len - n, "%s", error_classes[i]);
if (tmp_n < 0 || tmp_n >= len - n){
if (tmp_n < 0 || (size_t)tmp_n >= len - n){
return;
}
n += tmp_n;