diff options
Diffstat (limited to 'tools/gifconv/hdfgifwr.c')
| -rw-r--r-- | tools/gifconv/hdfgifwr.c | 60 |
1 files changed, 16 insertions, 44 deletions
diff --git a/tools/gifconv/hdfgifwr.c b/tools/gifconv/hdfgifwr.c index 28d556e..62b3eae 100644 --- a/tools/gifconv/hdfgifwr.c +++ b/tools/gifconv/hdfgifwr.c @@ -67,7 +67,6 @@ static long CountDown; static int Interlace; #ifdef __STDC__ -static void putword(int, FILE *); static void compress(int, FILE *, byte *, int); static void output(int); static void cl_block(void); @@ -76,27 +75,16 @@ static void char_init(void); static void char_out(int); static void flush_char(void); #else -static void putword(), compress(), output(), cl_block(), cl_hash(); +static void compress(), output(), cl_block(), cl_hash(); static void char_init(), char_out(), flush_char(); #endif static byte pc2nc[256],r1[256],g1[256],b1[256]; -void xvbzero(s, len) - char *s; - int len; -{ - for ( ; len>0; len--) *s++ = 0; -} - /*************************************************************/ -int hdfWriteGIF(fp, pic, ptype, w, h, rmap, gmap, bmap, pc2ncmap, numcols, colorstyle, BitsPerPixel) - FILE *fp; - byte *pic; - int ptype, w,h; - byte *rmap, *gmap, *bmap , *pc2ncmap; - int numcols, colorstyle; - int BitsPerPixel; +int hdfWriteGIF(FILE *fp, byte *pic, int ptype, int w, int h, byte *rmap, + byte *gmap, byte *bmap, byte *pc2ncmap, int numcols, int colorstyle, + int BitsPerPixel) { int RWidth, RHeight; int LeftOfs, TopOfs; @@ -143,21 +131,6 @@ int hdfWriteGIF(fp, pic, ptype, w, h, rmap, gmap, bmap, pc2ncmap, numcols, colo -/******************************/ -static void putword(w, fp) -int w; -FILE *fp; -{ - /* writes a 16-bit integer in GIF order (LSB first) */ - - fputc(w &0xff, fp); - - fputc((w>>8)&0xff,fp); -} - - - - /***********************************************************************/ static unsigned long cur_accum = 0; static int cur_bits = 0; @@ -252,8 +225,8 @@ int len; /* initialize 'compress' globals */ maxbits = XV_BITS; maxmaxcode = 1<<XV_BITS; - xvbzero((char *) htab, sizeof(htab)); - xvbzero((char *) codetab, sizeof(codetab)); + memset(htab, 0, sizeof(htab)); + memset(codetab, 0, sizeof(codetab)); hsize = HSIZE; free_ent = 0; clear_flg = 0; @@ -375,7 +348,7 @@ int code; cur_bits += n_bits; while( cur_bits >= 8 ) { - char_out( (unsigned int) (cur_accum & 0xff) ); + char_out( (int)((unsigned int) cur_accum & 0xff) ); cur_accum >>= 8; cur_bits -= 8; } @@ -403,7 +376,7 @@ int code; if( code == EOFCode ) { /* At EOF, write the rest of the buffer */ while( cur_bits > 0 ) { - char_out( (unsigned int)(cur_accum & 0xff) ); + char_out( (int)((unsigned int)cur_accum & 0xff) ); cur_accum >>= 8; cur_bits -= 8; } @@ -434,14 +407,14 @@ static void cl_block () /* table clear for block compress */ /********************************/ -static void cl_hash(hsize) /* reset code table */ -register count_int hsize; +static void cl_hash(hashsize) /* reset code table */ +count_int hashsize; { - register count_int *htab_p = htab+hsize; - register long i; - register long m1 = -1; + count_int *htab_p = htab+hashsize; + long i; + long m1 = -1; - i = hsize - 16; + i = hashsize - 16; do { /* might use Sys V memset(3) here */ *(htab_p-16) = m1; *(htab_p-15) = m1; @@ -495,8 +468,7 @@ static char accum[ 256 ]; * Add a character to the end of the current packet, and if it is 254 * characters, flush the packet to disk. */ -static void char_out(c) -int c; +static void char_out(int c) { accum[ a_count++ ] = c; if( a_count >= 254 ) @@ -510,7 +482,7 @@ static void flush_char() { if( a_count > 0 ) { fputc( a_count, g_outfile ); - fwrite( accum, 1, a_count, g_outfile ); + fwrite( accum, 1, (size_t)a_count, g_outfile ); a_count = 0; } } |