openocd: fix simple cases of NULL comparison

[openocd.git] / src / helper / replacements.c

diff --git a/src/helper/replacements.c b/src/helper/replacements.c
index f8989974f936143459b46b774d5c41b977b8ab00..68032b7fd5654a4ed47ea6360b05a6d35f60ff06 100644 (file)
--- a/src/helper/replacements.c
+++ b/src/helper/replacements.c
@@ -33,7 +33,7 @@
 void *clear_malloc(size_t size)
 {
        void *t = malloc(size);
-       if (t != NULL)
+       if (t)
                memset(t, 0x00, size);
        return t;
 }
@@ -41,7 +41,7 @@ void *clear_malloc(size_t size)
 void *fill_malloc(size_t size)
 {
        void *t = malloc(size);
-       if (t != NULL) {
+       if (t) {
                /* We want to initialize memory to some known bad state.
                 * 0 and 0xff yields 0 and -1 as integers, which often
                 * have meaningful values. 0x5555... is not often a valid
@@ -124,7 +124,7 @@ char *strndup(const char *s, size_t n)
        size_t len = strnlen(s, n);
        char *new = malloc(len + 1);
 
-       if (new == NULL)
+       if (!new)
                return NULL;
 
        new[len] = '\0';
@@ -148,7 +148,7 @@ int win_select(int max_fd, fd_set *rfds, fd_set *wfds, fd_set *efds, struct time
 #define SAFE_FD_ISSET(fd, set)  (set != NULL && FD_ISSET(fd, set))
 
        /* calculate how long we need to wait in milliseconds */
-       if (tv == NULL)
+       if (!tv)
                ms_total = INFINITE;
        else {
                ms_total = tv->tv_sec * 1000;