Replace sprintf calls with snprintf

[thirdparty/mdadm.git] / util.c

diff --git a/util.c b/util.c
index 4445b1609ee901c79ad50ebb28fd185fa37221ea..fab01929caf0d8bf461543fba518668b16360e47 100644 (file)
--- a/util.c
+++ b/util.c
@@ -427,13 +427,13 @@ char *human_size(long long bytes)
        else if (bytes < 2*1024LL*1024LL*1024LL) {
                long cMiB = (bytes / ( (1LL<<20) / 200LL ) +1) /2;
                long cMB  = (bytes / ( 1000000LL / 200LL ) +1) /2;
-               sprintf(buf, " (%ld.%02ld MiB %ld.%02ld MB)",
+               snprintf(buf, sizeof(buf), " (%ld.%02ld MiB %ld.%02ld MB)",
                        cMiB/100 , cMiB % 100,
                        cMB/100, cMB % 100);
        } else {
                long cGiB = (bytes / ( (1LL<<30) / 200LL ) +1) /2;
                long cGB  = (bytes / (1000000000LL/200LL ) +1) /2;
-               sprintf(buf, " (%ld.%02ld GiB %ld.%02ld GB)",
+               snprintf(buf, sizeof(buf), " (%ld.%02ld GiB %ld.%02ld GB)",
                        cGiB/100 , cGiB % 100,
                        cGB/100, cGB % 100);
        }
@@ -446,16 +446,16 @@ char *human_size_brief(long long bytes)
        
 
        if (bytes < 5000*1024)
-               sprintf(buf, "%ld.%02ldKiB",
+               snprintf(buf, sizeof(buf), "%ld.%02ldKiB",
                        (long)(bytes>>10), (long)(((bytes&1023)*100+512)/1024)
                        );
        else if (bytes < 2*1024LL*1024LL*1024LL)
-               sprintf(buf, "%ld.%02ldMiB",
+               snprintf(buf, sizeof(buf), "%ld.%02ldMiB",
                        (long)(bytes>>20),
                        (long)((bytes&0xfffff)+0x100000/200)/(0x100000/100)
                        );
        else
-               sprintf(buf, "%ld.%02ldGiB",
+               snprintf(buf, sizeof(buf), "%ld.%02ldGiB",
                        (long)(bytes>>30),
                        (long)(((bytes>>10)&0xfffff)+0x100000/200)/(0x100000/100)
                        );
@@ -505,20 +505,20 @@ char *get_md_name(int dev)
                int mdp =  get_mdp_major();
                if (mdp < 0) return NULL;
                rdev = makedev(mdp, (-1-dev)<<6);
-               sprintf(devname, "/dev/md/d%d", -1-dev);
+               snprintf(devname, sizeof(devname), "/dev/md/d%d", -1-dev);
                if (stat(devname, &stb) == 0
                    && (S_IFMT&stb.st_mode) == S_IFBLK
                    && (stb.st_rdev == rdev))
                        return devname;
        } else {
                rdev = makedev(MD_MAJOR, dev);
-               sprintf(devname, "/dev/md%d", dev);
+               snprintf(devname, sizeof(devname), "/dev/md%d", dev);
                if (stat(devname, &stb) == 0
                    && (S_IFMT&stb.st_mode) == S_IFBLK
                    && (stb.st_rdev == rdev))
                        return devname;
 
-               sprintf(devname, "/dev/md/%d", dev);
+               snprintf(devname, sizeof(devname), "/dev/md/%d", dev);
                if (stat(devname, &stb) == 0
                    && (S_IFMT&stb.st_mode) == S_IFBLK
                    && (stb.st_rdev == rdev))
@@ -527,7 +527,7 @@ char *get_md_name(int dev)
        dn = map_dev(major(rdev), minor(rdev));
        if (dn)
                return dn;
-       sprintf(devname, "/dev/.tmp.md%d", dev);
+       snprintf(devname, sizeof(devname), "/dev/.tmp.md%d", dev);
        if (mknod(devname, S_IFBLK | 0600, rdev) == -1)
                if (errno != EEXIST)
                        return NULL;