int STRING_replace()

in src/strings.c [873:904]

• 28 lines of code
• 5 McCabe index (conditional complexity)

int STRING_replace(STRING_HANDLE handle, char target, char replace)
{
    int result;
    if (handle == NULL)
    {
        /* Codes_SRS_STRING_07_046: [ If handle is NULL STRING_replace shall return a non-zero value. ] */
        result = MU_FAILURE;
    }
    else if (target == replace)
    {
        /* Codes_SRS_STRING_07_048: [ If target and replace are equal STRING_replace, shall do nothing shall return zero. ] */
        result = 0;
    }
    else
    {
        size_t length;
        size_t index;
        /* Codes_SRS_STRING_07_047: [ STRING_replace shall replace all instances of target with replace. ] */
        STRING* str_value = handle;
        length = strlen(str_value->s);
        for (index = 0; index < length; index++)
        {
            if (str_value->s[index] == target)
            {
                str_value->s[index] = replace;
            }
        }
        /* Codes_SRS_STRING_07_049: [ On success STRING_replace shall return zero. ] */
        result = 0;
    }
    return result;
}