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added null pointer checks to string functions
[rocksndiamonds.git]
/
src
/
libgame
/
misc.c
diff --git
a/src/libgame/misc.c
b/src/libgame/misc.c
index 259fb4dede6a1f3a41bf0fcf34e3cffffafa8d0d..5f9fb749b5d7dfb074da61537c58e37ff1e5da1c 100644
(file)
--- a/
src/libgame/misc.c
+++ b/
src/libgame/misc.c
@@
-555,6
+555,9
@@
static char *getProgramMainDataPath()
char *getStringCat2WithSeparator(char *s1, char *s2, char *sep)
{
char *getStringCat2WithSeparator(char *s1, char *s2, char *sep)
{
+ if (s1 == NULL || s2 == NULL || sep == NULL)
+ return NULL;
+
char *complete_string = checked_malloc(strlen(s1) + strlen(sep) +
strlen(s2) + 1);
char *complete_string = checked_malloc(strlen(s1) + strlen(sep) +
strlen(s2) + 1);
@@
-565,6
+568,9
@@
char *getStringCat2WithSeparator(char *s1, char *s2, char *sep)
char *getStringCat3WithSeparator(char *s1, char *s2, char *s3, char *sep)
{
char *getStringCat3WithSeparator(char *s1, char *s2, char *s3, char *sep)
{
+ if (s1 == NULL || s2 == NULL || s3 == NULL || sep == NULL)
+ return NULL;
+
char *complete_string = checked_malloc(strlen(s1) + strlen(sep) +
strlen(s2) + strlen(sep) +
strlen(s3) + 1);
char *complete_string = checked_malloc(strlen(s1) + strlen(sep) +
strlen(s2) + strlen(sep) +
strlen(s3) + 1);