Lines Matching defs:num
132 png_check_sig(png_bytep sig, int num)
134 return ((int)!png_sig_cmp(sig, (png_size_t)0, (png_size_t)num));
330 int num)
337 /* free text item num or (if num == -1) all text items */
344 if (num != -1)
346 if (info_ptr->text && info_ptr->text[num].key)
348 png_free(png_ptr, info_ptr->text[num].key);
349 info_ptr->text[num].key = NULL;
443 /* free a given sPLT entry, or (if num == -1) all sPLT entries */
450 if (num != -1)
454 png_free(png_ptr, info_ptr->splt_palettes[num].name);
455 png_free(png_ptr, info_ptr->splt_palettes[num].entries);
456 info_ptr->splt_palettes[num].name = NULL;
457 info_ptr->splt_palettes[num].entries = NULL;
484 if (num != -1)
488 png_free(png_ptr, info_ptr->unknown_chunks[num].data);
489 info_ptr->unknown_chunks[num].data = NULL;
566 if(num == -1)