diff options
Diffstat (limited to 'src/fontfile/decompress.c')
| -rw-r--r-- | src/fontfile/decompress.c | 35 |
1 files changed, 17 insertions, 18 deletions
diff --git a/src/fontfile/decompress.c b/src/fontfile/decompress.c index aef4461..187254d 100644 --- a/src/fontfile/decompress.c +++ b/src/fontfile/decompress.c @@ -45,6 +45,7 @@ used in advertising or otherwise to promote the sale, use or other dealings in this Software without prior written authorization from The Open Group. */ +/* $XFree86: xc/lib/font/fontfile/decompress.c,v 1.5 2001/12/14 19:56:50 dawes Exp $ */ /* * decompress - cat a compressed file */ @@ -88,8 +89,6 @@ static char_type magic_header[] = { "\037\235" }; /* 1F 9D */ # define MAXCODE(n_bits) ((1 << (n_bits)) - 1) #endif /* COMPATIBLE */ -static code_int getcode(); - /* * the next two codes should not be changed lightly, as they must not * lie within the contiguous general code space. @@ -132,11 +131,13 @@ static int hsize_table[] = { 69001 /* 16 bits - 95% occupancy */ }; -static int BufCompressedFill(), BufCompressedSkip(), BufCompressedClose(); +static int BufCompressedClose ( BufFilePtr f, int doClose ); +static int BufCompressedFill ( BufFilePtr f ); +static code_int getcode ( CompressedFile *file ); +static int BufCompressedSkip ( BufFilePtr f, int bytes ); BufFilePtr -BufFilePushCompressed (f) - BufFilePtr f; +BufFilePushCompressed (BufFilePtr f) { int code; int maxbits; @@ -150,6 +151,8 @@ BufFilePushCompressed (f) return 0; } code = BufFileGet (f); + if (code == BUFFILEEOF) return 0; + maxbits = code & BIT_MASK; if (maxbits > BITS || maxbits < 12) return 0; @@ -184,13 +187,13 @@ BufFilePushCompressed (f) *file->stackp++ = file->finchar; return BufFileCreate ((char *) file, BufCompressedFill, + 0, BufCompressedSkip, BufCompressedClose); } static int -BufCompressedClose (f, doClose) - BufFilePtr f; +BufCompressedClose (BufFilePtr f, int doClose) { CompressedFile *file; BufFilePtr raw; @@ -203,8 +206,7 @@ BufCompressedClose (f, doClose) } static int -BufCompressedFill (f) - BufFilePtr f; +BufCompressedFill (BufFilePtr f) { CompressedFile *file; register char_type *stackp, *de_stack; @@ -300,8 +302,7 @@ BufCompressedFill (f) static char_type rmask[9] = {0x00, 0x01, 0x03, 0x07, 0x0f, 0x1f, 0x3f, 0x7f, 0xff}; static code_int -getcode(file) - CompressedFile *file; +getcode(CompressedFile *file) { register code_int code; register int r_off, bits; @@ -375,9 +376,7 @@ getcode(file) } static int -BufCompressedSkip (f, bytes) - BufFilePtr f; - int bytes; +BufCompressedSkip (BufFilePtr f, int bytes) { int c; while (bytes--) @@ -390,9 +389,8 @@ BufCompressedSkip (f, bytes) } #ifdef TEST -main (argc, argv) - int argc; - char **argv; +int +main (int argc, char *argv[]) { BufFilePtr inputraw, input, output; int c; @@ -400,9 +398,10 @@ main (argc, argv) inputraw = BufFileOpenRead (0); input = BufFilePushCompressed (inputraw); output = BufFileOpenWrite (1); - while ((c = BufFileGet (input)) != -1) + while ((c = BufFileGet (input)) != BUFFILEEOF) BufFilePut (c, output); BufFileClose (input, FALSE); BufFileClose (output, FALSE); + return 0; } #endif |