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[libpng16] Conditionally compile some unused functions reported by -Wall

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in pngminim.
This commit is contained in:
Glenn Randers-Pehrson
2013-11-18 20:12:24 -06:00
parent bd757acf26
commit 113213416c
4 changed files with 31 additions and 9 deletions
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5
pngrutil.c
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@@ -278,6 +278,10 @@ png_crc_error(png_structrp png_ptr)
return (0);
}
#if defined(PNG_READ_iCCP_SUPPORTED) || defined(PNG_READ_iTXt_SUPPORTED) ||\
defined(PNG_READ_pCAL_SUPPORTED) || defined(PNG_READ_sCAL_SUPPORTED) ||\
defined(PNG_READ_sPLT_SUPPORTED) || defined(PNG_READ_tEXt_SUPPORTED) ||\
defined(PNG_READ_zTXt_SUPPORTED) || defined(PNG_SEQUENTIAL_READ_SUPPORTED)
/* Manage the read buffer; this simply reallocates the buffer if it is not small
* enough (or if it is not allocated). The routine returns a pointer to the
* buffer; if an error occurs and 'warn' is set the routine returns NULL, else
@@ -325,6 +329,7 @@ png_read_buffer(png_structrp png_ptr, png_alloc_size_t new_size, int warn)
return buffer;
}
#endif /* PNG_READ_iCCP|iTXt|pCAL|sCAL|sPLT|tEXt|zTXt|SEQUENTIAL_READ */
/* png_inflate_claim: claim the zstream for some nefarious purpose that involves
* decompression. Returns Z_OK on success, else a zlib error code. It checks