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[libpng16] Trivial editing of commentary in pngrutil.c

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Glenn Randers-Pehrson 2012-11-25 12:46:24 -06:00
parent 5f4b95e513
commit 5b9a28f2b8
1 changed files with 7 additions and 7 deletions
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pngrutil.c
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@ -196,7 +196,7 @@ png_crc_read(png_structrp png_ptr, png_bytep buf, png_uint_32 length)
} }
/* Optionally skip data and then check the CRC. Depending on whether we /* Optionally skip data and then check the CRC. Depending on whether we
* are reading a ancillary or critical chunk, and how the program has set * are reading an ancillary or critical chunk, and how the program has set
* things up, we may calculate the CRC on the data and print a message. * things up, we may calculate the CRC on the data and print a message.
* Returns '1' if there was a CRC error, '0' otherwise. * Returns '1' if there was a CRC error, '0' otherwise.
*/ */
@ -282,7 +282,7 @@ png_crc_error(png_structrp png_ptr)
/* Manage the read buffer; this simply reallocates the buffer if it is not small /* 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 * 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 * buffer; if an error occurs and 'warn' is set the routine returns NULL, else
* it will call png_error (via png_malloc) on failure. (warn == 2 means * it will call png_error (via png_malloc) on failure. (warn == 2 means
* 'silent'). * 'silent').
*/ */
@ -357,11 +357,11 @@ png_inflate_claim(png_structrp png_ptr, png_uint_32 owner, int window_bits)
/* Implementation note: unlike 'png_deflate_claim' this internal function /* Implementation note: unlike 'png_deflate_claim' this internal function
* does not take the size of the data as an argument. Some efficiency could * does not take the size of the data as an argument. Some efficiency could
* be gained by using this when it is known *if* the zlib stream itself does * be gained by using this when it is known *if* the zlib stream itself does
* not record the number, however this is a chimera: the original writer of * not record the number; however, this is an illusion: the original writer
* the PNG may have selected a lower window size, and we really must follow * follow of the PNG may have selected a lower window size, and we really
* that because, for systems with with limited capabilities, we would * must do that because, for systems with with limited capabilities, we
* otherwise reject the applications attempts to use a smaller window size. * would otherwise reject the application's attempts to use a smaller window
* (zlib doesn't have an interface to say "this or lower"!) * size (zlib doesn't have an interface to say "this or lower"!).
* *
* inflateReset2 was added to zlib 1.2.4; before this the window could not be * inflateReset2 was added to zlib 1.2.4; before this the window could not be
* reset, therefore it is necessary to always allocate the maximum window * reset, therefore it is necessary to always allocate the maximum window