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-rw-r--r--gc.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/gc.c b/gc.c
index 4675815dec..f24f707026 100644
--- a/gc.c
+++ b/gc.c
@@ -5651,7 +5651,7 @@ get_envparam_size(const char *name, size_t *default_value, size_t lower_bound)
char *ptr = getenv(name);
ssize_t val;
- if (ptr != NULL) {
+ if (ptr != NULL && *ptr) {
char *end;
#if SIZEOF_SIZE_T == SIZEOF_LONG_LONG
val = strtoll(ptr, &end, 0);
@@ -5686,7 +5686,7 @@ get_envparam_double(const char *name, double *default_value, double lower_bound)
char *ptr = getenv(name);
double val;
- if (ptr != NULL) {
+ if (ptr != NULL && *ptr) {
char *end;
val = strtod(ptr, &end);
if (!*ptr || *end) {