]> git.ozlabs.org Git - ccan/blobdiff - ccan/tally/tally.c
tally: Adapt tally_new to Samba coding conventions
[ccan] / ccan / tally / tally.c
index 396474b250e0c04be0b8a581a2fddc1bb553c7a4..d67112c2cf6da49017904be9ec91b49f1f11ced5 100644 (file)
@@ -1,3 +1,4 @@
+/* Licensed under LGPLv3+ - see LICENSE file for details */
 #include <ccan/tally/tally.h>
 #include <ccan/build_assert/build_assert.h>
 #include <ccan/likely/likely.h>
@@ -24,21 +25,27 @@ struct tally *tally_new(unsigned buckets)
        struct tally *tally;
 
        /* There is always 1 bucket. */
-       if (buckets == 0)
+       if (buckets == 0) {
                buckets = 1;
+       }
 
        /* Overly cautious check for overflow. */
-       if (sizeof(*tally) * buckets / sizeof(*tally) != buckets)
+       if (sizeof(*tally) * buckets / sizeof(*tally) != buckets) {
                return NULL;
-       tally = malloc(sizeof(*tally) + sizeof(tally->counts[0])*(buckets-1));
-       if (tally) {
-               tally->max = ((size_t)1 << (SIZET_BITS - 1));
-               tally->min = ~tally->max;
-               tally->total[0] = tally->total[1] = 0;
-               tally->buckets = buckets;
-               tally->step_bits = 0;
-               memset(tally->counts, 0, sizeof(tally->counts[0])*buckets);
        }
+
+       tally = (struct tally *)malloc(
+               sizeof(*tally) + sizeof(tally->counts[0])*(buckets-1));
+       if (tally == NULL) {
+               return NULL;
+       }
+
+       tally->max = ((size_t)1 << (SIZET_BITS - 1));
+       tally->min = ~tally->max;
+       tally->total[0] = tally->total[1] = 0;
+       tally->buckets = buckets;
+       tally->step_bits = 0;
+       memset(tally->counts, 0, sizeof(tally->counts[0])*buckets);
        return tally;
 }
 
@@ -448,7 +455,7 @@ char *tally_histogram(const struct tally *tally,
                        largest_bucket = tally->counts[i];
        }
 
-       p = graph = malloc(height * (width + 1) + 1);
+       p = graph = (char *)malloc(height * (width + 1) + 1);
        if (!graph) {
                free(tmp);
                return NULL;