server: Replace sprintf with snprintf to avoid deprecation warnings on macOS.

server/change.c

@@ -726,7 +726,7 @@ static char *get_path_from_fd( int fd, int sz )
 #ifdef linux
     char *ret = malloc( 32 + sz );
 
-    if (ret) sprintf( ret, "/proc/self/fd/%u", fd );
+    if (ret) snprintf( ret, 32 + sz, "/proc/self/fd/%u", fd );
     return ret;
 #elif defined(F_GETPATH)
     char *ret = malloc( PATH_MAX + sz );

server/directory.c

@@ -320,7 +320,7 @@ static void create_session( unsigned int id )
         release_object( dir_sessions );
     }
 
-    sprintf( id_strA, "%u", id );
+    snprintf( id_strA, sizeof(id_strA), "%u", id );
     id_strW = ascii_to_unicode_str( id_strA, &id_str );
     dir_id = create_directory( &dir_sessions->obj, &id_str, 0, HASH_SIZE, NULL );
     dir_dosdevices = create_directory( &dir_id->obj, &dir_dosdevices_str, OBJ_PERMANENT, HASH_SIZE, NULL );

server/fd.c

@@ -465,7 +465,7 @@ const char *get_timeout_str( timeout_t timeout )
     {
         secs = -timeout / TICKS_PER_SEC;
         nsecs = -timeout % TICKS_PER_SEC;
-        sprintf( buffer, "+%ld.%07ld", secs, nsecs );
+        snprintf( buffer, sizeof(buffer), "+%ld.%07ld", secs, nsecs );
     }
     else  /* absolute */
     {
@@ -477,10 +477,10 @@ const char *get_timeout_str( timeout_t timeout )
             secs--;
         }
         if (secs >= 0)
-            sprintf( buffer, "%x%08x (+%ld.%07ld)",
+            snprintf( buffer, sizeof(buffer), "%x%08x (+%ld.%07ld)",
                       (unsigned int)(timeout >> 32), (unsigned int)timeout, secs, nsecs );
         else
-            sprintf( buffer, "%x%08x (-%ld.%07ld)",
+            snprintf( buffer, sizeof(buffer), "%x%08x (-%ld.%07ld)",
                       (unsigned int)(timeout >> 32), (unsigned int)timeout,
                       -(secs + 1), TICKS_PER_SEC - nsecs );
     }

server/mapping.c

@@ -292,7 +292,7 @@ static int make_temp_file( char name[16] )
     value += (current_time >> 16) + current_time;
     for (i = 0; i < 0x8000 && fd < 0; i++, value += 7777)
     {
-        sprintf( name, "tmpmap-%08x", value );
+        snprintf( name, 16, "tmpmap-%08x", value );
         fd = open( name, O_RDWR | O_CREAT | O_EXCL, 0600 );
     }
     return fd;

server/process.c

@@ -1552,7 +1552,7 @@ DECL_HANDLER(get_process_vm_counters)
         char proc_path[32], line[256];
         unsigned long value;
 
-        sprintf( proc_path, "/proc/%u/status", process->unix_pid );
+        snprintf( proc_path, sizeof(proc_path), "/proc/%u/status", process->unix_pid );
         if ((f = fopen( proc_path, "r" )))
         {
             while (fgets( line, sizeof(line), f ))

server/procfs.c

@@ -55,7 +55,7 @@ static int open_proc_as( struct process *process, int flags )
         return -1;
     }
 
-    sprintf( buffer, "/proc/%u/as", process->unix_pid );
+    snprintf( buffer, sizeof(buffer), "/proc/%u/as", process->unix_pid );
     if ((fd = open( buffer, flags )) == -1)
     {
         if (errno == ENOENT)  /* probably got killed */
@@ -75,7 +75,7 @@ static int open_proc_lwpctl( struct thread *thread )
 
     if (thread->unix_pid == -1) return -1;
 
-    sprintf( buffer, "/proc/%u/lwp/%u/lwpctl", thread->unix_pid, thread->unix_tid );
+    snprintf( buffer, sizeof(buffer), "/proc/%u/lwp/%u/lwpctl", thread->unix_pid, thread->unix_tid );
     if ((fd = open( buffer, O_WRONLY )) == -1)
     {
         if (errno == ENOENT)  /* probably got killed */

server/ptrace.c

@@ -366,7 +366,7 @@ int read_process_memory( struct process *process, client_ptr_t ptr, data_size_t
             char procmem[24];
             int fd;
 
-            sprintf( procmem, "/proc/%u/mem", process->unix_pid );
+            snprintf( procmem, sizeof(procmem), "/proc/%u/mem", process->unix_pid );
             if ((fd = open( procmem, O_RDONLY )) != -1)
             {
                 ssize_t ret = pread( fd, dest, size, ptr );
@@ -467,7 +467,7 @@ int write_process_memory( struct process *process, client_ptr_t ptr, data_size_t
             char procmem[24];
             int fd;
 
-            sprintf( procmem, "/proc/%u/mem", process->unix_pid );
+            snprintf( procmem, sizeof(procmem), "/proc/%u/mem", process->unix_pid );
             if ((fd = open( procmem, O_WRONLY )) != -1)
             {
                 ssize_t r = pwrite( fd, src, size, ptr );

server/registry.c

@@ -1831,15 +1831,16 @@ static int load_init_registry_from_file( const char *filename, struct key *key )
 
 static WCHAR *format_user_registry_path( const struct sid *sid, struct unicode_str *path )
 {
-    char buffer[7 + 11 + 11 + 11 * ARRAY_SIZE(sid->sub_auth)], *p = buffer;
+    char buffer[7 + 11 + 11 + 11 * ARRAY_SIZE(sid->sub_auth)];
     unsigned int i;
+    int len;
 
-    p += sprintf( p, "User\\S-%u-%u", sid->revision,
+    len = snprintf( buffer, sizeof(buffer), "User\\S-%u-%u", sid->revision,
                     ((unsigned int)sid->id_auth[2] << 24) |
                     ((unsigned int)sid->id_auth[3] << 16) |
                     ((unsigned int)sid->id_auth[4] << 8) |
                     ((unsigned int)sid->id_auth[5]) );
-    for (i = 0; i < sid->sub_count; i++) p += sprintf( p, "-%u", sid->sub_auth[i] );
+    for (i = 0; i < sid->sub_count; i++) len += snprintf( buffer + len, sizeof(buffer) - len, "-%u", sid->sub_auth[i] );
     return ascii_to_unicode_str( buffer, path );
 }
 

server/trace.c

@@ -5645,7 +5645,7 @@ static const char *get_status_name( unsigned int status )
         for (i = 0; status_names[i].name; i++)
             if (status_names[i].value == status) return status_names[i].name;
     }
-    sprintf( buffer, "%x", status );
+    snprintf( buffer, sizeof(buffer), "%x", status );
     return buffer;
 }
 

server/unicode.c

@@ -212,19 +212,19 @@ int dump_strW( const WCHAR *str, data_size_t len, FILE *f, const char escape[2]
         if (*str > 127)  /* hex escape */
         {
             if (len > 1 && str[1] < 128 && isxdigit((char)str[1]))
-                pos += sprintf( pos, "\\x%04x", *str );
+                pos += snprintf( pos, sizeof(buffer) - (pos - buffer), "\\x%04x", *str );
             else
-                pos += sprintf( pos, "\\x%x", *str );
+                pos += snprintf( pos, sizeof(buffer) - (pos - buffer), "\\x%x", *str );
             continue;
         }
         if (*str < 32)  /* octal or C escape */
         {
             if (escapes[*str] != '.')
-                pos += sprintf( pos, "\\%c", escapes[*str] );
+                pos += snprintf( pos, sizeof(buffer) - (pos - buffer), "\\%c", escapes[*str] );
             else if (len > 1 && str[1] >= '0' && str[1] <= '7')
-                pos += sprintf( pos, "\\%03o", *str );
+                pos += snprintf( pos, sizeof(buffer) - (pos - buffer), "\\%03o", *str );
             else
-                pos += sprintf( pos, "\\%o", *str );
+                pos += snprintf( pos, sizeof(buffer) - (pos - buffer), "\\%o", *str );
             continue;
         }
         if (*str == '\\' || *str == escape[0] || *str == escape[1]) *pos++ = '\\';