Mark Adler 22eb01184f Have gzputc return the character written instead of the argument. ...

When successful, gzputc would return the second argument.  If the
second argument were -1, gzputc would return -1 instead of the
character written, which was 255.  However the -1 would not be
distinguishable from an error.  Now gzputc returns 255 in that
case.

2012-01-29 09:47:29 -08:00

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