cppcheck/test/cfg/gtk.c

// Test library configuration for gtk.cfg
//
// Usage:
// $ cppcheck --check-library --library=gtk --enable=style,information --inconclusive --error-exitcode=1 --disable=missingInclude --inline-suppr --library=gtk test/cfg/gtk.cpp
// =>
// No warnings about bad library configuration, unmatched suppressions, etc. exitcode=0
//

#include <stdlib.h>
#include <gtk/gtk.h>
#include <glib.h>


void validCode(int argInt, GHashTableIter * hash_table_iter, GHashTable * hash_table)
{
    g_assert_cmpint(4 + 1, >=, 5);
    g_assert_cmpstr("test", ==, "test");

    // if G_UNLIKELY is not defined this results in a syntax error
    if G_UNLIKELY(argInt == 1) {} else if (G_UNLIKELY(argInt == 2)) {}

    if G_LIKELY(argInt == 0) {} else if (G_LIKELY(argInt == -1)) {}

    printf("%s", _("test"));
    printf("%s", Q_("a|test"));
    printf("%s", N_("test"));

    gpointer gpt = g_malloc(4);
    printf("%p", gpt);
    g_free(gpt);
    g_assert(gpt);
    if (!gpt) {
        // cppcheck-suppress checkLibraryNoReturn
        g_assert_not_reached();
    }
    gpointer p = GINT_TO_POINTER(1);
    int i = GPOINTER_TO_INT(p);
    // cppcheck-suppress knownConditionTrueFalse
    if (i == 1) {}

    g_print("test");
    g_print("%d", 1);
    g_printerr("err");

    GString * pGStr1 = g_string_new("test");
    g_string_append(pGStr1, "a");
    g_string_free(pGStr1, TRUE);

    gchar * pGchar1 = g_strconcat("a", "b", NULL);
    printf("%s", pGchar1);
    g_free(pGchar1);

    // cppcheck-suppress unusedAllocatedMemory
    GError * pGerror = g_error_new(1, -2, "a %d", 1);
    g_error_free(pGerror);

    static gsize init_val = 0;
    if (g_once_init_enter(&init_val)) {
        gsize result_val = 1;
        g_once_init_leave(&init_val, result_val);
    }

    g_hash_table_iter_replace(hash_table_iter, g_strdup("test"));
    g_hash_table_insert(hash_table, g_strdup("key"), g_strdup("value"));
    g_hash_table_replace(hash_table, g_strdup("key"), g_strdup("value"));

    // NULL is handled graciously
    char* str = g_strdup(NULL);
    if (g_strcmp0(str, NULL) || g_strcmp0(NULL, str))
        printf("%s", str);
    g_free(str);
}

void g_malloc_test()
{
    // cppcheck-suppress leakReturnValNotUsed
    g_malloc(8);

    gconstpointer gpt = g_malloc(1);

    printf("%p", gpt);

    // cppcheck-suppress memleak
}

void g_malloc0_test()
{
    // cppcheck-suppress leakReturnValNotUsed
    g_malloc0(8);

    gconstpointer gpt = g_malloc0(1);

    printf("%p", gpt);

    // cppcheck-suppress memleak
}

void g_malloc_n_test()
{
    // cppcheck-suppress leakReturnValNotUsed
    g_malloc_n(8, 1);

    gconstpointer gpt = g_malloc_n(1, 2);

    printf("%p", gpt);

    // cppcheck-suppress memleak
}

void g_malloc0_n_test()
{
    // cppcheck-suppress leakReturnValNotUsed
    g_malloc0_n(8, 1);

    gconstpointer gpt = g_malloc0_n(1, 2);

    printf("%p", gpt);

    // cppcheck-suppress memleak
}

void g_try_malloc_test()
{
    // cppcheck-suppress leakReturnValNotUsed
    g_try_malloc(8);

    gconstpointer gpt = g_try_malloc(1);

    printf("%p", gpt);

    // cppcheck-suppress memleak
}

void g_try_malloc0_test()
{
    // cppcheck-suppress leakReturnValNotUsed
    g_try_malloc0(8);

    gconstpointer gpt = g_try_malloc0(1);

    printf("%p", gpt);

    // cppcheck-suppress memleak
}

void g_try_malloc_n_test()
{
    // cppcheck-suppress leakReturnValNotUsed
    g_try_malloc_n(8, 1);

    gconstpointer gpt = g_try_malloc_n(1, 2);

    printf("%p", gpt);

    // cppcheck-suppress memleak
}

void g_try_malloc0_n_test()
{
    // cppcheck-suppress leakReturnValNotUsed
    g_try_malloc0_n(8, 1);

    gconstpointer gpt = g_try_malloc0_n(1, 2);

    printf("%p", gpt);

    // cppcheck-suppress memleak
}

void g_realloc_test()
{
    // cppcheck-suppress ignoredReturnValue
    // cppcheck-suppress leakReturnValNotUsed
    g_realloc(NULL, 1);

    gpointer gpt = g_malloc(1);
    gpt = g_realloc(gpt, 2); // No memleakOnRealloc since g_realloc aborts if it fails
    printf("%p", gpt);

    // cppcheck-suppress memleak
}

void g_realloc_n_test()
{
    // cppcheck-suppress ignoredReturnValue
    // cppcheck-suppress leakReturnValNotUsed
    g_realloc_n(NULL, 1, 2);

    gpointer gpt = g_malloc_n(1, 2);
    gpt = g_realloc_n(gpt, 2, 3); // No memleakOnRealloc since g_realloc_n aborts if it fails
    printf("%p", gpt);

    // cppcheck-suppress memleak
}

void g_try_realloc_test()
{
    // cppcheck-suppress ignoredReturnValue
    // cppcheck-suppress leakReturnValNotUsed
    g_try_realloc(NULL, 1);

    gpointer gpt = g_try_malloc(1);
    // cppcheck-suppress memleakOnRealloc
    gpt = g_try_realloc(gpt, 2);
    printf("%p", gpt);

    // cppcheck-suppress memleak
}

void g_try_realloc_n_test()
{
    // cppcheck-suppress ignoredReturnValue
    // cppcheck-suppress leakReturnValNotUsed
    g_try_realloc_n(NULL, 1, 2);

    gpointer gpt = g_try_malloc_n(1, 2);
    // cppcheck-suppress memleakOnRealloc
    gpt = g_try_realloc_n(gpt, 2, 3);
    printf("%p", gpt);

    // cppcheck-suppress memleak
}

void g_assert_test()
{
    int a;
    // cppcheck-suppress checkLibraryNoReturn
    // cppcheck-suppress assignmentInAssert
    g_assert(a = 5);
}

void g_print_test()
{
    // cppcheck-suppress invalidPrintfArgType_uint
    g_print("%u", -1);
    // cppcheck-suppress invalidPrintfArgType_uint
    g_printerr("%x", "a");
}

void g_alloca_test()
{
    // cppcheck-suppress allocaCalled
    char * pBuf1 = g_alloca(5);
    pBuf1[0] = '\0';
}

void g_new_test()
{
    struct a {
        int b;
    };
    // valid
    struct a * pNew1 = g_new(struct a, 5);
    printf("%p", pNew1);
    g_free(pNew1);

    // cppcheck-suppress leakReturnValNotUsed
    g_new(struct a, 1);

    const struct a * pNew2 = g_new(struct a, 2);
    printf("%p", pNew2);
    // cppcheck-suppress memleak
}

void g_new_if_test()
{
    struct a {
        int b;
    };

    struct a * pNew3;
    if (pNew3 = g_new(struct a, 6)) {
        printf("%p", pNew3);
    }
    // cppcheck-suppress memleak
}

void g_new0_test()
{
    struct a {
        int b;
    };
    // valid
    struct a * pNew1 = g_new0(struct a, 5);
    printf("%p", pNew1);
    g_free(pNew1);

    // cppcheck-suppress leakReturnValNotUsed
    g_new0(struct a, 1);

    const struct a * pNew2 = g_new0(struct a, 2);
    printf("%p", pNew2);
    // cppcheck-suppress memleak
}

void g_try_new_test()
{
    struct a {
        int b;
    };
    // valid
    struct a * pNew1 = g_try_new(struct a, 5);
    printf("%p", pNew1);
    g_free(pNew1);

    // cppcheck-suppress leakReturnValNotUsed
    g_try_new(struct a, 1);

    const struct a * pNew2 = g_try_new(struct a, 2);
    printf("%p", pNew2);
    // cppcheck-suppress memleak
}
void g_try_new0_test()
{
    struct a {
        int b;
    };
    // valid
    struct a * pNew1 = g_try_new0(struct a, 5);
    printf("%p", pNew1);
    g_free(pNew1);

    // cppcheck-suppress leakReturnValNotUsed
    g_try_new0(struct a, 1);

    const struct a * pNew2 = g_try_new0(struct a, 2);
    printf("%p", pNew2);
    // cppcheck-suppress memleak
}

void g_renew_test()
{
    struct a {
        int b;
    };
    // cppcheck-suppress leakReturnValNotUsed
    g_renew(struct a, NULL, 1);

    struct a * pNew = g_new(struct a, 1);
    pNew = g_renew(struct a, pNew, 2); // No memleakOnRealloc since g_renew aborts if it fails
    printf("%p", pNew);

    // cppcheck-suppress memleak
}

void g_try_renew_test()
{
    struct a {
        int b;
    };
    // cppcheck-suppress leakReturnValNotUsed
    g_try_renew(struct a, NULL, 1);

    struct a * pNew = g_try_new(struct a, 1);
    // cppcheck-suppress memleakOnRealloc
    pNew = g_try_renew(struct a, pNew, 2);
    printf("%p", pNew);

    // cppcheck-suppress memleak
}

void g_error_new_test()
{
    // valid
    GError * pNew1 = g_error_new(1, -2, "a %d", 1);
    printf("%p", pNew1);
    g_error_free(pNew1);

    // cppcheck-suppress leakReturnValNotUsed
    g_error_new(1, -2, "a %d", 1);

    const GError * pNew2 = g_error_new(1, -2, "a %d", 1);
    printf("%p", pNew2);
    // cppcheck-suppress memleak
}

void g_once_init_enter_leave_test()
{
    static gsize init_val;
    if (g_once_init_enter(&init_val)) {
        gsize result_val = 0;
        // cppcheck-suppress invalidFunctionArg
        g_once_init_leave(&init_val, result_val);
    }

    gsize init_val2;
    // cppcheck-suppress uninitvar
    // cppcheck-suppress ignoredReturnValue
    g_once_init_enter(&init_val2);

    gsize * init_val3 = NULL;
    // cppcheck-suppress nullPointer
    if (g_once_init_enter(init_val3)) {
        gsize* init_val31 = NULL;
        // cppcheck-suppress nullPointer
        g_once_init_leave(init_val31, 1);
    }

    gsize * init_val4;
    // cppcheck-suppress uninitvar
    if (g_once_init_enter(init_val4)) {
        gsize * init_val5;
        // cppcheck-suppress uninitvar
        g_once_init_leave(init_val5, 1);
    }
}

void g_strchug_g_strchomp_test(gchar * str1)
{
    g_strchug(str1);
    g_strchomp(str1);
    g_strchug(g_strchomp(str1));
    gchar * str2;
    // cppcheck-suppress uninitvar
    g_strchug(str2);
    gchar * str3;
    // cppcheck-suppress uninitvar
    g_strchomp(str3);
}

void g_abort_test()
{
    g_abort();
    //cppcheck-suppress unreachableCode
    printf("Never reached");
}