doc: add Meson coding style to contributors guide

[dpdk.git] / lib / librte_eal / common / eal_common_fbarray.c

diff --git a/lib/librte_eal/common/eal_common_fbarray.c b/lib/librte_eal/common/eal_common_fbarray.c
index d974f3d..3a28a53 100644 (file)
--- a/lib/librte_eal/common/eal_common_fbarray.c
+++ b/lib/librte_eal/common/eal_common_fbarray.c
@@ -81,9 +81,8 @@ get_used_mask(void *data, unsigned int elt_sz, unsigned int len)
 }
 
 static int
-resize_and_map(int fd, void *addr, size_t len)
+resize_and_map(int fd, const char *path, void *addr, size_t len)
 {
-       char path[PATH_MAX];
        void *map_addr;
 
        if (eal_file_truncate(fd, len)) {
@@ -139,7 +138,7 @@ find_next_n(const struct rte_fbarray *arr, unsigned int start, unsigned int n,
         */
        last = MASK_LEN_TO_IDX(arr->len);
        last_mod = MASK_LEN_TO_MOD(arr->len);
-       last_msk = ~(-1ULL << last_mod);
+       last_msk = ~(UINT64_MAX << last_mod);
 
        for (msk_idx = first; msk_idx < msk->n_masks; msk_idx++) {
                uint64_t cur_msk, lookahead_msk;
@@ -399,8 +398,8 @@ find_prev_n(const struct rte_fbarray *arr, unsigned int start, unsigned int n,
        first_mod = MASK_LEN_TO_MOD(start);
        /* we're going backwards, so mask must start from the top */
        ignore_msk = first_mod == MASK_ALIGN - 1 ?
-                               -1ULL : /* prevent overflow */
-                               ~(-1ULL << (first_mod + 1));
+                               UINT64_MAX : /* prevent overflow */
+                               ~(UINT64_MAX << (first_mod + 1));
 
        /* go backwards, include zero */
        msk_idx = first;
@@ -514,7 +513,7 @@ find_prev_n(const struct rte_fbarray *arr, unsigned int start, unsigned int n,
                                 * no runs in the space we've lookbehind-scanned
                                 * as well, so skip that on next iteration.
                                 */
-                               ignore_msk = -1ULL << need;
+                               ignore_msk = UINT64_MAX << need;
                                msk_idx = lookbehind_idx;
                                break;
                        }
@@ -561,8 +560,8 @@ find_prev(const struct rte_fbarray *arr, unsigned int start, bool used)
        first_mod = MASK_LEN_TO_MOD(start);
        /* we're going backwards, so mask must start from the top */
        ignore_msk = first_mod == MASK_ALIGN - 1 ?
-                               -1ULL : /* prevent overflow */
-                               ~(-1ULL << (first_mod + 1));
+                               UINT64_MAX : /* prevent overflow */
+                               ~(UINT64_MAX << (first_mod + 1));
 
        /* go backwards, include zero */
        idx = first;
@@ -792,7 +791,7 @@ rte_fbarray_init(struct rte_fbarray *arr, const char *name, unsigned int len,
                if (eal_file_lock(fd, EAL_FLOCK_SHARED, EAL_FLOCK_RETURN))
                        goto fail;
 
-               if (resize_and_map(fd, data, mmap_len))
+               if (resize_and_map(fd, path, data, mmap_len))
                        goto fail;
        }
        ma->addr = data;
@@ -895,7 +894,7 @@ rte_fbarray_attach(struct rte_fbarray *arr)
        if (eal_file_lock(fd, EAL_FLOCK_SHARED, EAL_FLOCK_RETURN))
                goto fail;
 
-       if (resize_and_map(fd, data, mmap_len))
+       if (resize_and_map(fd, path, data, mmap_len))
                goto fail;
 
        /* store our new memory area */