filesystem.cpp File Reference

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Functions
static void	makeBuffer (pfc::array_t< uint8_t > &buffer, size_t size)
static void	path_pack_string (pfc::string_base &out, const char *src)
static int	path_unpack_string (pfc::string_base &out, const char *src)

Variables
static const char	unpack_prefix [] = "unpack://"
static const unsigned	unpack_prefix_len = 9

Function Documentation

static void makeBuffer ( pfc::array_t< uint8_t > &  buffer, size_t  size  )

static

Definition at line 40 of file filesystem.cpp.

                                                                  {
    for(;;) {// Tolerant malloc - allocate a smaller buffer if we're unable to acquire the requested size.
        try {
            buffer.set_size_discard( size );
            return;
        } catch(std::bad_alloc) {
            if (size < 256) throw;
            size >>= 1;
        }
    }
}

static void path_pack_string ( pfc::string_base &  out, const char *  src  )

static

Definition at line 217 of file filesystem.cpp.

{
    out.add_char('|');
    out << (unsigned) strlen(src);
    out.add_char('|');
    out << src;
    out.add_char('|');
}

static int path_unpack_string ( pfc::string_base &  out, const char *  src  )

static

Definition at line 226 of file filesystem.cpp.

{
    int ptr=0;
    if (src[ptr++]!='|') return -1;
    int len = atoi(src+ptr);
    if (len<=0) return -1;
    while(src[ptr]!=0 && src[ptr]!='|') ptr++;
    if (src[ptr]!='|') return -1;
    ptr++;
    int start = ptr;
    while(ptr-start<len)
    {
        if (src[ptr]==0) return -1;
        ptr++;
    }
    if (src[ptr]!='|') return -1;
    out.set_string(&src[start],len);
    ptr++;  
    return ptr;
}

Variable Documentation

const char unpack_prefix[] = "unpack://"

static

Definition at line 3 of file filesystem.cpp.

const unsigned unpack_prefix_len = 9

static

Definition at line 4 of file filesystem.cpp.