const TIFFFieldInfo* _TIFFFieldWithTag(TIFF* tif, ttag_t tag) { const TIFFFieldInfo* fip = _TIFFFindFieldInfo(tif, tag, TIFF_ANY); if (!fip) { TIFFErrorExt(tif->tif_clientdata, "TIFFFieldWithTag", "Internal error, unknown tag 0x%x", (unsigned int) tag); } return (fip); }
const TIFFFieldInfo* _TIFFFieldWithTag(TIFF* tif, ttag_t tag) { const TIFFFieldInfo* fip = _TIFFFindFieldInfo(tif, tag, TIFF_ANY); if (!fip) { TIFFError("TIFFFieldWithTag", "Internal error, unknown tag 0x%x", (u_int) tag); assert(fip != NULL); /*NOTREACHED*/ } return (fip); }
const TIFFFieldInfo* _TIFFFindOrRegisterFieldInfo( TIFF *tif, ttag_t tag, TIFFDataType dt ) { const TIFFFieldInfo *fld; fld = _TIFFFindFieldInfo( tif, tag, dt ); if( fld == NULL ) { fld = _TIFFCreateAnonFieldInfo( tif, tag, dt ); _TIFFMergeFieldInfo( tif, fld, 1 ); } return fld; }
int _TIFFMergeFieldInfo(TIFF* tif, const TIFFFieldInfo info[], int n) { static const char module[] = "_TIFFMergeFieldInfo"; static const char reason[] = "for field info array"; TIFFFieldInfo** tp; int i; tif->tif_foundfield = NULL; if (tif->tif_nfields > 0) { tif->tif_fieldinfo = (TIFFFieldInfo**) _TIFFCheckRealloc(tif, tif->tif_fieldinfo, (tif->tif_nfields + n), sizeof (TIFFFieldInfo*), reason); } else { tif->tif_fieldinfo = (TIFFFieldInfo**) _TIFFCheckMalloc(tif, n, sizeof (TIFFFieldInfo*), reason); } if (!tif->tif_fieldinfo) { TIFFErrorExt(tif->tif_clientdata, module, "Failed to allocate field info array"); return 0; } tp = tif->tif_fieldinfo + tif->tif_nfields; for (i = 0; i < n; i++) { const TIFFFieldInfo *fip = _TIFFFindFieldInfo(tif, info[i].field_tag, info[i].field_type); /* only add definitions that aren't already present */ if (!fip) { *tp++ = (TIFFFieldInfo*) (info + i); tif->tif_nfields++; } } /* Sort the field info by tag number */ qsort(tif->tif_fieldinfo, tif->tif_nfields, sizeof (TIFFFieldInfo*), tagCompare); return n; }