示例#1
0
int errprintf(const gs_memory_t *mem, const char *fmt, ...)
{
    int count;
    char buf[PRINTF_BUF_LENGTH];
    va_list args;

    va_start(args, fmt);
    count = vsnprintf(buf, sizeof(buf), fmt, args);
    if (count >= sizeof(buf) || count < 0)  { /* C99 || MSVC */
        errwrite(mem, buf, sizeof(buf) - 1);
        errwrite(mem, msg_truncated, sizeof(msg_truncated) - 1);
    } else {
        errwrite(mem, buf, count);
    }
    va_end(args);
    return count;
}
示例#2
0
/*
 * Open a stream using a filename that can include a PS style IODevice prefix
 * If iodev_default is the '%os' device, then the file will be on the host
 * file system transparently to the caller. The "%os%" prefix can be used
 * to explicilty access the host file system.
 */
stream *
sfopen(const char *path, const char *mode, gs_memory_t *memory)
{
    gs_parsed_file_name_t pfn;
    stream *s;
    iodev_proc_open_file((*open_file));
    gs_memory_t *mem = (memory == NULL) ? gs_lib_ctx_get_non_gc_memory_t() : memory;

    int code = gs_parse_file_name(&pfn, path, strlen(path));
    if (code < 0) {
#	define EMSG	"sfopen: gs_parse_file_name failed.\n"
	errwrite(EMSG, strlen(EMSG));
#	undef EMSG
	return NULL;
    }
    if (pfn.fname == NULL) {	/* just a device */
#	define EMSG	"sfopen: not allowed with %device only.\n"
	errwrite(EMSG, strlen(EMSG));
#	undef EMSG
	return NULL;
    }
    if (pfn.iodev == NULL)
	pfn.iodev = iodev_default;
    open_file = pfn.iodev->procs.open_file;
    if (open_file == 0)
	code = file_open_stream(pfn.fname, pfn.len, mode, 2048, &s,
				pfn.iodev, pfn.iodev->procs.fopen, mem);
    else
	code = open_file(pfn.iodev, pfn.fname, pfn.len, mode, &s, mem);
    if (code < 0)
	return NULL;
    s->position = 0;
    code = ssetfilename(s, (const byte *)path, strlen(path));
    if (code < 0) {
	/* Only error is e_VMerror */
	sclose(s);
	gs_free_object(s->memory, s, "sfopen: allocation error");
#	define EMSG	"sfopen: allocation error setting path name into stream.\n"
	errwrite(EMSG, strlen(EMSG));
#	undef EMSG
	return NULL;
    }
    return s;
}
示例#3
0
int main(int argc, char ** argv)
{
  char * truename, * runtime_path;
  int fd;

  truename = searchpath(argv[0]);
  fd = open(truename, O_RDONLY | O_BINARY);
  if (fd == -1 || (runtime_path = read_runtime_path(fd)) == NULL) {
    errwrite(truename);
    errwrite(" not found or is not a bytecode executable file\n");
    return 2;
  }
  argv[0] = truename;
  execv(runtime_path, argv);
  errwrite("Cannot exec ");
  errwrite(runtime_path);
  errwrite("\n");
  return 2;
}
示例#4
0
文件: gsmisc.c 项目: 99years/plan9
int errprintf(const char *fmt, ...)
{
    int count;
    char buf[PRINTF_BUF_LENGTH];
    va_list args;

    va_start(args, fmt);

    count = vsprintf(buf, fmt, args);
    errwrite(buf, count);
    if (count >= PRINTF_BUF_LENGTH) {
	count = sprintf(buf, 
	    "PANIC: printf exceeded %d bytes.  Stack has been corrupted.\n", 
	    PRINTF_BUF_LENGTH);
	errwrite(buf, count);
    }
    va_end(args);
    return count;
}
示例#5
0
static int DebugPrint(ttfFont *ttf, const char *fmt, ...)
{
    char buf[500];
    va_list args;
    int count;

    if (gs_debug_c('Y')) {
        va_start(args, fmt);
        count = vsnprintf(buf, sizeof(buf), fmt, args);
        /* NB: moved debug output from stdout to stderr
         */
        errwrite(ttf->DebugMem, buf, count);
        va_end(args);
    }
    return 0;
}
示例#6
0
int outwrite(const gs_memory_t *mem, const char *str, int len)
{
    int code;
    FILE *fout;
    gs_lib_ctx_t *pio = mem->gs_lib_ctx;

    if (len == 0)
	return 0;
    if (pio->stdout_is_redirected) {
	if (pio->stdout_to_stderr)
	    return errwrite(str, len);
	fout = pio->fstdout2;
    }
    else if (pio->stdout_fn) {
	return (*pio->stdout_fn)(pio->caller_handle, str, len);
    }
    else {
	fout = pio->fstdout;
    }
    code = fwrite(str, 1, len, fout);
    fflush(fout);
    return code;
}
示例#7
0
int errwrite_nomem(const char *str, int len)
{
    return errwrite(mem_err_print, str, len);
}
示例#8
0
文件: gdeveprn.c 项目: hackqiang/gs
int eprn_open_device(gx_device *device)
{
  eprn_Eprn *eprn = &((eprn_Device *)device)->eprn;
  const char *epref = eprn->CUPS_messages? CUPS_ERRPREF: "";
  int rc;

#ifdef EPRN_TRACE
  if_debug0(EPRN_TRACE_CHAR, "! eprn_open_device()...\n");
#endif

  /* Checks on page size and determination of derived values */
  if (eprn_set_page_layout((eprn_Device *)device) != 0)
    return_error(gs_error_rangecheck);

  /* Check the rendering parameters */
  if (eprn_check_colour_info(eprn->cap->colour_info, &eprn->colour_model,
      &device->HWResolution[0], &device->HWResolution[1],
      &eprn->black_levels, &eprn->non_black_levels) != 0) {
    gs_param_string str;

    eprintf1("%s" ERRPREF "The requested combination of colour model (",
      epref);
    str.size = 0;
    if (eprn_get_string(eprn->colour_model, eprn_colour_model_list, &str) != 0)
      assert(0); /* Bug. No harm on NDEBUG because I've just set the size. */
    errwrite(device->memory, (const char *)str.data, str.size * sizeof(str.data[0]));
    eprintf7("),\n"
      "%s  resolution (%gx%g ppi) and intensity levels (%d, %d) is\n"
      "%s  not supported by the %s.\n",
      epref, device->HWResolution[0], device->HWResolution[1],
      eprn->black_levels, eprn->non_black_levels, epref, eprn->cap->name);
    return_error(gs_error_rangecheck);
  }

  /* Initialization for colour rendering */
  if (device->color_info.num_components == 4) {
    /* Native colour space is 'DeviceCMYK' */
    set_dev_proc(device, map_rgb_color, NULL);

    if (eprn->intensity_rendering == eprn_IR_FloydSteinberg)
      set_dev_proc(device, map_cmyk_color, &eprn_map_cmyk_color_max);
    else if (device->color_info.max_gray > 1 || device->color_info.max_color > 1)
      set_dev_proc(device, map_cmyk_color, &eprn_map_cmyk_color_flex);
    else
      set_dev_proc(device, map_cmyk_color, &eprn_map_cmyk_color);

    if (eprn->intensity_rendering == eprn_IR_FloydSteinberg)
      set_dev_proc(device, map_rgb_color, &eprn_map_rgb_color_for_CMY_or_K_max);
    else if (device->color_info.max_gray > 1 || device->color_info.max_color > 1)
      set_dev_proc(device, map_rgb_color, &eprn_map_rgb_color_for_CMY_or_K_flex);
    else
      set_dev_proc(device, map_rgb_color, &eprn_map_rgb_color_for_CMY_or_K);

  }
  else {
    set_dev_proc(device, map_cmyk_color, NULL);

    if (eprn->colour_model == eprn_DeviceRGB) {
      if (eprn->intensity_rendering == eprn_IR_FloydSteinberg)
        set_dev_proc(device, map_rgb_color, &eprn_map_rgb_color_for_RGB_max);
      else if (device->color_info.max_color > 1)
        set_dev_proc(device, map_rgb_color, &eprn_map_rgb_color_for_RGB_flex);
      else
        set_dev_proc(device, map_rgb_color, &eprn_map_rgb_color_for_RGB);
    } else {
      if (eprn->intensity_rendering == eprn_IR_FloydSteinberg)
        set_dev_proc(device, map_rgb_color, &eprn_map_rgb_color_for_CMY_or_K_max);
      else if (device->color_info.max_gray > 1 || device->color_info.max_color > 1)
        set_dev_proc(device, map_rgb_color, &eprn_map_rgb_color_for_CMY_or_K_flex);
      else
        set_dev_proc(device, map_rgb_color, &eprn_map_rgb_color_for_CMY_or_K);
    }
  }
  eprn->output_planes = eprn_bits_for_levels(eprn->black_levels) +
    3 * eprn_bits_for_levels(eprn->non_black_levels);

#if !defined(GS_REVISION) || GS_REVISION >= 600
  /*  According to my understanding, the following call should be superfluous
      (because the colour mapping functions may not be called while the device
      is closed) and I am also not aware of any situation where it does make a
      difference. It shouldn't do any harm, though, and I feel safer with it :-)
  */
  gx_device_decache_colors(device);
#endif

#ifndef EPRN_NO_PAGECOUNTFILE
  /* Read the page count value */
  if (eprn->pagecount_file != NULL) {
    unsigned long count;
    if (pcf_getcount(eprn->pagecount_file, &count) == 0)
      device->PageCount = count;
       /* unsigned to signed. The C standard permits
          an implementation to generate an overflow indication if the value is
          too large. I consider this to mean that the type of 'PageCount' is
          inappropriate :-). Note that eprn does not use 'PageCount' for
          updating the file. */
    else {
      /* pcf_getcount() has issued an error message. */
      eprintf(
        "  No further attempts will be made to access the page count file.\n");
      gs_free(device->memory->non_gc_memory, eprn->pagecount_file, strlen(eprn->pagecount_file) + 1,
        sizeof(char), "eprn_open_device");
      eprn->pagecount_file = NULL;
    }
  }
#endif  /* !EPRN_NO_PAGECOUNTFILE */

  /* Open the "prn" device part */
  if ((rc = gdev_prn_open(device)) != 0) return rc;

  /* Just in case a previous open call failed in a derived device (note that
     'octets_per_line' is still the same as then): */
  if (eprn->scan_line.str != NULL)
    gs_free(device->memory->non_gc_memory, eprn->scan_line.str, eprn->octets_per_line, sizeof(eprn_Octet),
      "eprn_open_device");
  if (eprn->next_scan_line.str != NULL) {
    gs_free(device->memory->non_gc_memory, eprn->next_scan_line.str, eprn->octets_per_line, sizeof(eprn_Octet),
      "eprn_open_device");
    eprn->next_scan_line.str = NULL;
  }

  /* Calls which might depend on prn having been initialized */
  eprn->octets_per_line = gdev_prn_raster((gx_device_printer *)device);
  eprn->scan_line.str = (eprn_Octet *) gs_malloc(device->memory->non_gc_memory, eprn->octets_per_line,
    sizeof(eprn_Octet), "eprn_open_device");
  if (eprn->intensity_rendering == eprn_IR_FloydSteinberg) {
    eprn->next_scan_line.str = (eprn_Octet *) gs_malloc(device->memory->non_gc_memory, eprn->octets_per_line,
      sizeof(eprn_Octet), "eprn_open_device");
    if (eprn->next_scan_line.str == NULL && eprn->scan_line.str != NULL) {
      gs_free(device->memory->non_gc_memory, eprn->scan_line.str, eprn->octets_per_line, sizeof(eprn_Octet),
        "eprn_open_device");
      eprn->scan_line.str = NULL;
    }
  }
  if (eprn->scan_line.str == NULL) {
    eprintf1("%s" ERRPREF
      "Memory allocation failure from gs_malloc() in eprn_open_device().\n",
      epref);
    return_error(gs_error_VMerror);
  }

  return rc;
}