tplink-safeloader: fix chunked support-list prints

[project/firmware-utils.git] / src / tplink-safeloader.c

diff --git a/src/tplink-safeloader.c b/src/tplink-safeloader.c
index c955bb4cac049b5c5b94226144091d1c4de1e6d8..d7de5b1b83aff7024b5c49ef954f94508444d070 100644 (file)
--- a/src/tplink-safeloader.c
+++ b/src/tplink-safeloader.c
@@ -3788,18 +3788,21 @@ static int firmware_info(const char *input)
                char buf[128];
                size_t length;
                size_t bytes;
+               size_t max_length = sizeof(buf) - 1;
 
                if (fseek(fp, 0x1014 + e->base + sizeof(struct meta_header), SEEK_SET))
                        error(1, errno, "Can not seek in the firmware");
 
                printf("\n[Support list]\n");
                for (length = e->size - sizeof(struct meta_header); length; length -= bytes) {
-                       bytes = fread(buf, 1, length > sizeof(buf) ? sizeof(buf) : length, fp);
+                       bytes = fread(buf, 1, length > max_length ? max_length: length, fp);
                        if (bytes <= 0)
                                error(1, errno, "Can not read fwup-ptn data from the firmware");
 
-                       puts(buf);
+                       buf[bytes] = '\0';
+                       printf(buf);
                }
+        printf("\n");
        }
 
        e = find_partition(pointers, MAX_PARTITIONS, "partition-table", NULL);