Fix off-by-one in buffer length in int_to_env

We need to allow for '=', negative sign, 10 digits and the null
terminator, adding up to 13 bytes not 12.

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>

diff --git a/src/script.c b/src/script.c
index 83fbea5a2c37e2b18cfa2966e319b42cff55a17e..89cb0d69eab831fea854b71e6165552f4b89138f 100644 (file)
--- a/src/script.c
+++ b/src/script.c
@@ -227,7 +227,7 @@ static void search_to_env(const char *name, const uint8_t *start, size_t len)
 
 static void int_to_env(const char *name, int value)
 {
-       size_t len = 12 + strlen(name);
+       size_t len = 13 + strlen(name);
        char *buf = realloc(NULL, len);
        snprintf(buf, len, "%s=%d", name, value);
        putenv(buf);