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refactor: improve code using cppcheck

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This commit is contained in:
Francesco
2026-01-30 02:16:40 +01:00
parent 035483f54f
commit 6ca04a9392
8 changed files with 725 additions and 726 deletions
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2
.clangd
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@@ -1,2 +1,2 @@
Completion: Completion:
HeaderInsertion: Never HeaderInsertion: Never

10
examples/inlinekeyboard/inlinekeyboard.c
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@@ -8,9 +8,8 @@
#define WELCOME_MSG "Hi there! This bot is coded in C." #define WELCOME_MSG "Hi there! This bot is coded in C."
void parse_command(tgbot_s *bot, tgbot_update_s *update); void parse_command(const tgbot_s *bot, const tgbot_update_s *update);
void sighandler(int signum); void sighandler(int signum);
void callback_parser(tgbot_s *bot, tgbot_cbquery_s *query);
bool run = true; bool run = true;
tgbot_s *bot; tgbot_s *bot;
@@ -40,7 +39,7 @@ void sighandler(int signum) {
run = false; run = false;
} }
void parse_command(tgbot_s *bot, tgbot_update_s *update) { void parse_command(const tgbot_s *bot, const tgbot_update_s *update) {
tgbot_rc ret; tgbot_rc ret;
if (strcmp("/start", update->text) == 0) { if (strcmp("/start", update->text) == 0) {
@@ -64,7 +63,6 @@ int main(void) {
/* Find "your" way to free the resources */ /* Find "your" way to free the resources */
signal(SIGINT, sighandler); signal(SIGINT, sighandler);
tgbot_rc ret;
char token[256]; char token[256];
FILE *fp = fopen(".token", "r"); FILE *fp = fopen(".token", "r");
@@ -72,7 +70,7 @@ int main(void) {
fprintf(stderr, "No .token file found!\n"); fprintf(stderr, "No .token file found!\n");
exit(EXIT_FAILURE); exit(EXIT_FAILURE);
} }
fscanf(fp, "%s", token); fscanf(fp, "%255s", token);
fprintf(stdout, "Token: %s\n", token); fprintf(stdout, "Token: %s\n", token);
fclose(fp); fclose(fp);
@@ -102,7 +100,7 @@ int main(void) {
/* Main loop */ /* Main loop */
while (run) { while (run) {
ret = tgbot_get_update(bot, &update, callback_handler); tgbot_rc ret = tgbot_get_update(bot, &update, callback_handler);
if (ret != TGBOT_OK) { if (ret != TGBOT_OK) {
fprintf(stderr, "tgbot_get_updates()\n"); fprintf(stderr, "tgbot_get_updates()\n");
continue; continue;

8
include/methods.h
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@@ -8,13 +8,13 @@
tgbot_rc tgbot_get_update(tgbot_s *bot, tgbot_update_s *update, Callback cbq_handler); tgbot_rc tgbot_get_update(tgbot_s *bot, tgbot_update_s *update, Callback cbq_handler);
/* Methods */ /* Methods */
tgbot_rc tgbot_get_me(tgbot_s *bot, tgbot_me_s *me); tgbot_rc tgbot_get_me(const tgbot_s *bot, tgbot_me_s *me);
tgbot_rc tgbot_send_message(tgbot_s *bot, int64_t chat_id, const char *text, const char *parse_mode, tgbot_rc tgbot_send_message(const tgbot_s *bot, int64_t chat_id, const char *text, const char *parse_mode,
tgbot_inlinekeyboard_s *reply_markup); tgbot_inlinekeyboard_s *reply_markup);
tgbot_rc tgbot_send_dice(tgbot_s *bot, int64_t chat_id, const char *emoji); tgbot_rc tgbot_send_dice(const tgbot_s *bot, int64_t chat_id, const char *emoji);
/* Updating Methods */ /* Updating Methods */
tgbot_rc tgbot_edit_message_text(tgbot_s *bot, int64_t chat_id, long message_id, const char *text, tgbot_rc tgbot_edit_message_text(const tgbot_s *bot, int64_t chat_id, long message_id, const char *text,
tgbot_inlinekeyboard_s *keyboard); tgbot_inlinekeyboard_s *keyboard);
#endif #endif

2
include/tgbot.h
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@@ -12,7 +12,7 @@
* *
* @return Bot pointer. * @return Bot pointer.
*/ */
tgbot_s *tgbot_new(char *token); tgbot_s *tgbot_new(const char *token);
/** /**
* @brief Cleans the memory. * @brief Cleans the memory.

25
src/methods.c
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@@ -85,7 +85,7 @@ static tgbot_rc tgbot_request(const char *url, struct memory_buffer **mb, json_o
return TGBOT_OK; return TGBOT_OK;
} }
static tgbot_rc tgbot_execute_method(tgbot_s *bot, const char *method, tgbot_option_s *options, size_t optlen) { static tgbot_rc tgbot_execute_method(const tgbot_s *bot, const char *method, tgbot_option_s *options, size_t optlen) {
char url[URL_LEN] = {0}; char url[URL_LEN] = {0};
snprintf(url, sizeof(url), "%s%s", bot->api, method); snprintf(url, sizeof(url), "%s%s", bot->api, method);
@@ -128,14 +128,14 @@ tgbot_rc tgbot_get_update(tgbot_s *bot, tgbot_update_s *update, Callback cbq_han
free(mb->data); free(mb->data);
free(mb); free(mb);
json_object *ok = json_object_object_get(json, "ok"); const json_object *ok = json_object_object_get(json, "ok");
if (!json_object_is_type(ok, json_type_boolean) || !json_object_get_boolean(ok)) { if (!json_object_is_type(ok, json_type_boolean) || !json_object_get_boolean(ok)) {
json_object_put(json); json_object_put(json);
return TGBOT_TELEGRAM_OK_ERROR; return TGBOT_TELEGRAM_OK_ERROR;
} }
json_object *results = json_object_object_get(json, "result"); const json_object *results = json_object_object_get(json, "result");
size_t results_len = json_object_array_length(results); size_t results_len = json_object_array_length(results);
if (results_len == 0) { if (results_len == 0) {
@@ -146,7 +146,7 @@ tgbot_rc tgbot_get_update(tgbot_s *bot, tgbot_update_s *update, Callback cbq_han
/* Check if it is a Message or a CallbackQuery*/ /* Check if it is a Message or a CallbackQuery*/
json_object *result = json_object_array_get_idx(results, 0); json_object *result = json_object_array_get_idx(results, 0);
json_object *message = json_object_object_get(result, "message"); const json_object *message = json_object_object_get(result, "message");
if (message) { if (message) {
tgbot_parse_message(bot, update, result); tgbot_parse_message(bot, update, result);
} else if (cbq_handler != NULL) { } else if (cbq_handler != NULL) {
@@ -159,7 +159,7 @@ tgbot_rc tgbot_get_update(tgbot_s *bot, tgbot_update_s *update, Callback cbq_han
return TGBOT_OK; return TGBOT_OK;
} }
tgbot_rc tgbot_get_me(tgbot_s *bot, tgbot_me_s *me) { tgbot_rc tgbot_get_me(const tgbot_s *bot, tgbot_me_s *me) {
char url[URL_LEN]; char url[URL_LEN];
snprintf(url, sizeof(url), "%sgetMe", bot->api); snprintf(url, sizeof(url), "%sgetMe", bot->api);
@@ -176,25 +176,26 @@ tgbot_rc tgbot_get_me(tgbot_s *bot, tgbot_me_s *me) {
free(mb->data); free(mb->data);
free(mb); free(mb);
json_object *ok = json_object_object_get(json, "ok"); const json_object *ok = json_object_object_get(json, "ok");
if (!json_object_get_boolean(ok)) { if (!json_object_get_boolean(ok)) {
json_object_put(json); json_object_put(json);
return TGBOT_GETME_ERROR; return TGBOT_GETME_ERROR;
} }
json_object *result = json_object_object_get(json, "result"); const json_object *result = json_object_object_get(json, "result");
json_object *first_name = json_object_object_get(result, "first_name"); json_object *first_name = json_object_object_get(result, "first_name");
strncpy(me->first_name, json_object_get_string(first_name), sizeof(me->first_name) - 1); snprintf(me->first_name, sizeof(me->first_name), "%s", json_object_get_string(first_name));
json_object *username = json_object_object_get(result, "username"); json_object *username = json_object_object_get(result, "username");
strncpy(me->username, json_object_get_string(username), sizeof(me->username) - 1); snprintf(me->username, sizeof(me->username), "%s", json_object_get_string(username));
json_object_put(json); json_object_put(json);
return TGBOT_OK; return TGBOT_OK;
} }
tgbot_rc tgbot_send_message(tgbot_s *bot, int64_t chat_id, const char *text, const char *parse_mode, tgbot_rc tgbot_send_message(const tgbot_s *bot, int64_t chat_id, const char *text, const char *parse_mode,
tgbot_inlinekeyboard_s *keyboard) { tgbot_inlinekeyboard_s *keyboard) {
tgbot_option_s options[4] = { tgbot_option_s options[4] = {
{"chat_id", &chat_id, tgbot_opt_int64}, {"chat_id", &chat_id, tgbot_opt_int64},
@@ -207,7 +208,7 @@ tgbot_rc tgbot_send_message(tgbot_s *bot, int64_t chat_id, const char *text, con
: TGBOT_SENDMESSAGE_ERROR; : TGBOT_SENDMESSAGE_ERROR;
} }
tgbot_rc tgbot_edit_message_text(tgbot_s *bot, int64_t chat_id, long message_id, const char *text, tgbot_rc tgbot_edit_message_text(const tgbot_s *bot, int64_t chat_id, long message_id, const char *text,
tgbot_inlinekeyboard_s *keyboard) { tgbot_inlinekeyboard_s *keyboard) {
tgbot_option_s options[4] = { tgbot_option_s options[4] = {
{"chat_id", &chat_id, tgbot_opt_int64}, {"chat_id", &chat_id, tgbot_opt_int64},
@@ -221,7 +222,7 @@ tgbot_rc tgbot_edit_message_text(tgbot_s *bot, int64_t chat_id, long message_id,
: TGBOT_EDITMESSAGETEXT_ERROR; : TGBOT_EDITMESSAGETEXT_ERROR;
} }
tgbot_rc tgbot_send_dice(tgbot_s *bot, int64_t chat_id, const char *emoji) { tgbot_rc tgbot_send_dice(const tgbot_s *bot, int64_t chat_id, const char *emoji) {
tgbot_option_s options[2] = { tgbot_option_s options[2] = {
{"chat_id", &chat_id, tgbot_opt_int64}, {"chat_id", &chat_id, tgbot_opt_int64},
{"emoji", (void *)emoji, tgbot_opt_string}, {"emoji", (void *)emoji, tgbot_opt_string},

2
src/tgbot.c
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@@ -6,7 +6,7 @@
#include "tgbot.h" #include "tgbot.h"
tgbot_s *tgbot_new(char *token) { tgbot_s *tgbot_new(const char *token) {
tgbot_s *bot = malloc(sizeof(tgbot_s)); tgbot_s *bot = malloc(sizeof(tgbot_s));
if (!bot) { if (!bot) {
return NULL; return NULL;