[PATCH v4 1/9] gdbstub: Clean up process_string_cmd

[Gustavo Romero <gustavo.romero@linaro.org>]

Change 'process_string_cmd' to return true on success and false on
failure, instead of 0 and -1.

Signed-off-by: Gustavo Romero <gustavo.romero@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
---
 gdbstub/gdbstub.c | 40 ++++++++++++++++++++--------------------
 1 file changed, 20 insertions(+), 20 deletions(-)

diff --git a/gdbstub/gdbstub.c b/gdbstub/gdbstub.c
index b3574997ea..37314b92e5 100644
--- a/gdbstub/gdbstub.c
+++ b/gdbstub/gdbstub.c
@@ -962,14 +962,14 @@ static inline int startswith(const char *string, const char *pattern)
   return !strncmp(string, pattern, strlen(pattern));
 }
 
-static int process_string_cmd(const char *data,
-                              const GdbCmdParseEntry *cmds, int num_cmds)
+static bool process_string_cmd(const char *data,
+                               const GdbCmdParseEntry *cmds, int num_cmds)
 {
     int i;
     g_autoptr(GArray) params = g_array_new(false, true, sizeof(GdbCmdVariant));
 
     if (!cmds) {
-        return -1;
+        return false;
     }
 
     for (i = 0; i < num_cmds; i++) {
@@ -984,16 +984,16 @@ static int process_string_cmd(const char *data,
         if (cmd->schema) {
             if (cmd_parse_params(&data[strlen(cmd->cmd)],
                                  cmd->schema, params)) {
-                return -1;
+                return false;
             }
         }
 
         gdbserver_state.allow_stop_reply = cmd->allow_stop_reply;
         cmd->handler(params, NULL);
-        return 0;
+        return true;
     }
 
-    return -1;
+    return false;
 }
 
 static void run_cmd_parser(const char *data, const GdbCmdParseEntry *cmd)
@@ -1007,7 +1007,7 @@ static void run_cmd_parser(const char *data, const GdbCmdParseEntry *cmd)
 
     /* In case there was an error during the command parsing we must
     * send a NULL packet to indicate the command is not supported */
-    if (process_string_cmd(data, cmd, 1)) {
+    if (!process_string_cmd(data, cmd, 1)) {
         gdb_put_packet("");
     }
 }
@@ -1523,9 +1523,9 @@ static void handle_v_commands(GArray *params, void *user_ctx)
         return;
     }
 
-    if (process_string_cmd(get_param(params, 0)->data,
-                           gdb_v_commands_table,
-                           ARRAY_SIZE(gdb_v_commands_table))) {
+    if (!process_string_cmd(get_param(params, 0)->data,
+                            gdb_v_commands_table,
+                            ARRAY_SIZE(gdb_v_commands_table))) {
         gdb_put_packet("");
     }
 }
@@ -1889,15 +1889,15 @@ static void handle_gen_query(GArray *params, void *user_ctx)
         return;
     }
 
-    if (!process_string_cmd(get_param(params, 0)->data,
-                            gdb_gen_query_set_common_table,
-                            ARRAY_SIZE(gdb_gen_query_set_common_table))) {
+    if (process_string_cmd(get_param(params, 0)->data,
+                           gdb_gen_query_set_common_table,
+                           ARRAY_SIZE(gdb_gen_query_set_common_table))) {
         return;
     }
 
-    if (process_string_cmd(get_param(params, 0)->data,
-                           gdb_gen_query_table,
-                           ARRAY_SIZE(gdb_gen_query_table))) {
+    if (!process_string_cmd(get_param(params, 0)->data,
+                            gdb_gen_query_table,
+                            ARRAY_SIZE(gdb_gen_query_table))) {
         gdb_put_packet("");
     }
 }
@@ -1908,13 +1908,13 @@ static void handle_gen_set(GArray *params, void *user_ctx)
         return;
     }
 
-    if (!process_string_cmd(get_param(params, 0)->data,
-                            gdb_gen_query_set_common_table,
-                            ARRAY_SIZE(gdb_gen_query_set_common_table))) {
+    if (process_string_cmd(get_param(params, 0)->data,
+                           gdb_gen_query_set_common_table,
+                           ARRAY_SIZE(gdb_gen_query_set_common_table))) {
         return;
     }
 
-    if (process_string_cmd(get_param(params, 0)->data,
+    if (!process_string_cmd(get_param(params, 0)->data,
                            gdb_gen_set_table,
                            ARRAY_SIZE(gdb_gen_set_table))) {
         gdb_put_packet("");
-- 
2.34.1