torture/t_strappend.c

説明を見る。

/*
 * Copyright (C) 2005 by Volker Lendecke
 *
 * Test harness for sprintf_append
 */

#include "includes.h"
#include <assert.h>

int main(int argc, char *argv[])
{
        TALLOC_CTX *mem_ctx;
        char *string = NULL;
        int len = 0;
        int bufsize = 4;
        int i;

        mem_ctx = talloc_init("t_strappend");
        if (mem_ctx == NULL) {
                fprintf(stderr, "talloc_init failed\n");
                return 1;
        }

        sprintf_append(mem_ctx, &string, &len, &bufsize, "");
        assert(strlen(string) == len);
        sprintf_append(mem_ctx, &string, &len, &bufsize, "");
        assert(strlen(string) == len);
        sprintf_append(mem_ctx, &string, &len, &bufsize,
                       "01234567890123456789012345678901234567890123456789\n");
        assert(strlen(string) == len);


        for (i=0; i<(100000); i++) {
                if (i%1000 == 0) {
                        printf("%d %d\r", i, bufsize);
                        fflush(stdout);
                }
                sprintf_append(mem_ctx, &string, &len, &bufsize, "%d\n", i);
                assert(strlen(string) == len);
        }

        talloc_destroy(mem_ctx);

        return 0;
}

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