| 14 |
|
#include "mesh.h" |
| 15 |
|
#include "resolu.h" |
| 16 |
|
|
| 17 |
– |
#ifdef getc_unlocked /* avoid horrendous overhead of flockfile */ |
| 18 |
– |
#undef getc |
| 19 |
– |
#define getc getc_unlocked |
| 20 |
– |
#endif |
| 21 |
– |
|
| 17 |
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static char *meshfn; /* input file name */ |
| 18 |
|
static FILE *meshfp; /* mesh file pointer */ |
| 19 |
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static int objsize; /* sizeof(OBJECT) from writer */ |
| 35 |
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mgetint(siz) /* get a siz-byte integer */ |
| 36 |
|
int siz; |
| 37 |
|
{ |
| 38 |
< |
register long r; |
| 38 |
> |
long r = getint(siz, meshfp); |
| 39 |
|
|
| 40 |
< |
r = getint(siz, meshfp); |
| 46 |
< |
if (feof(meshfp)) |
| 40 |
> |
if (r == EOF && feof(meshfp)) |
| 41 |
|
mesherror(USER, "truncated mesh file"); |
| 42 |
+ |
|
| 43 |
|
return(r); |
| 44 |
|
} |
| 45 |
|
|
| 47 |
|
static double |
| 48 |
|
mgetflt() /* get a floating point number */ |
| 49 |
|
{ |
| 50 |
< |
double r; |
| 50 |
> |
double r = getflt(meshfp); |
| 51 |
|
|
| 52 |
< |
r = getflt(meshfp); |
| 58 |
< |
if (feof(meshfp)) |
| 52 |
> |
if (r == (double)EOF && feof(meshfp)) |
| 53 |
|
mesherror(USER, "truncated mesh file"); |
| 54 |
+ |
|
| 55 |
|
return(r); |
| 56 |
|
} |
| 57 |
|
|
| 60 |
|
getfullnode() /* get a set, return fullnode */ |
| 61 |
|
{ |
| 62 |
|
OBJECT set[MAXSET+1]; |
| 63 |
< |
register int i; |
| 63 |
> |
int i; |
| 64 |
|
|
| 65 |
|
if ((set[0] = mgetint(objsize)) > MAXSET) |
| 66 |
|
mesherror(USER, "bad set in getfullnode"); |
| 73 |
|
static OCTREE |
| 74 |
|
gettree() /* get a pre-ordered octree */ |
| 75 |
|
{ |
| 76 |
< |
register OCTREE ot; |
| 77 |
< |
register int i; |
| 76 |
> |
OCTREE ot; |
| 77 |
> |
int i; |
| 78 |
|
|
| 79 |
|
switch (getc(meshfp)) { |
| 80 |
|
case OT_EMPTY: |
| 99 |
|
static void |
| 100 |
|
skiptree() /* skip octree on input */ |
| 101 |
|
{ |
| 102 |
< |
register int i; |
| 102 |
> |
int i; |
| 103 |
|
|
| 104 |
|
switch (getc(meshfp)) { |
| 105 |
|
case OT_EMPTY: |
| 123 |
|
|
| 124 |
|
static void |
| 125 |
|
getpatch(pp) /* load a mesh patch */ |
| 126 |
< |
register MESHPATCH *pp; |
| 126 |
> |
MESHPATCH *pp; |
| 127 |
|
{ |
| 128 |
|
int flags; |
| 129 |
|
int i, j; |
| 133 |
|
mesherror(USER, "bad patch flags"); |
| 134 |
|
/* allocate vertices */ |
| 135 |
|
pp->nverts = mgetint(2); |
| 136 |
< |
if (pp->nverts <= 0 || pp->nverts > 256) |
| 136 |
> |
if ((pp->nverts <= 0) | (pp->nverts > 256)) |
| 137 |
|
mesherror(USER, "bad number of patch vertices"); |
| 138 |
|
pp->xyz = (uint32 (*)[3])malloc(pp->nverts*3*sizeof(uint32)); |
| 139 |
|
if (pp->xyz == NULL) |
| 165 |
|
pp->uv[i][j] = mgetint(4); |
| 166 |
|
/* local triangles */ |
| 167 |
|
pp->ntris = mgetint(2); |
| 168 |
< |
if (pp->ntris < 0 || pp->ntris > 512) |
| 168 |
> |
if ((pp->ntris < 0) | (pp->ntris > 512)) |
| 169 |
|
mesherror(USER, "bad number of local triangles"); |
| 170 |
|
if (pp->ntris) { |
| 171 |
|
pp->tri = (struct PTri *)malloc(pp->ntris * |
| 192 |
|
} |
| 193 |
|
/* joiner triangles */ |
| 194 |
|
pp->nj1tris = mgetint(2); |
| 195 |
< |
if (pp->nj1tris < 0 || pp->nj1tris > 512) |
| 195 |
> |
if ((pp->nj1tris < 0) | (pp->nj1tris > 256)) |
| 196 |
|
mesherror(USER, "bad number of joiner triangles"); |
| 197 |
|
if (pp->nj1tris) { |
| 198 |
|
pp->j1tri = (struct PJoin1 *)malloc(pp->nj1tris * |
| 209 |
|
pp->j1tri = NULL; |
| 210 |
|
/* double joiner triangles */ |
| 211 |
|
pp->nj2tris = mgetint(2); |
| 212 |
< |
if (pp->nj2tris < 0 || pp->nj2tris > 256) |
| 212 |
> |
if ((pp->nj2tris < 0) | (pp->nj2tris > 256)) |
| 213 |
|
mesherror(USER, "bad number of double joiner triangles"); |
| 214 |
|
if (pp->nj2tris) { |
| 215 |
|
pp->j2tri = (struct PJoin2 *)malloc(pp->nj2tris * |
| 250 |
|
error(SYSTEM, errmsg); |
| 251 |
|
} |
| 252 |
|
SET_FILE_BINARY(meshfp); |
| 253 |
+ |
#ifdef getc_unlocked /* avoid stupid semaphores */ |
| 254 |
+ |
flockfile(meshfp); |
| 255 |
+ |
#endif |
| 256 |
|
/* read header */ |
| 257 |
|
checkheader(meshfp, MESHFMT, flags&IO_INFO ? stdout : (FILE *)NULL); |
| 258 |
|
/* read format number */ |
| 259 |
|
objsize = getint(2, meshfp) - MESHMAGIC; |
| 260 |
< |
if (objsize <= 0 || objsize > MAXOBJSIZ || objsize > sizeof(long)) |
| 260 |
> |
if ((objsize <= 0) | (objsize > MAXOBJSIZ) | (objsize > sizeof(long))) |
| 261 |
|
mesherror(USER, "incompatible mesh format"); |
| 262 |
|
/* read boundaries */ |
| 263 |
|
if (flags & IO_BOUNDS) { |
| 293 |
|
getpatch(&mp->patch[i]); |
| 294 |
|
} |
| 295 |
|
/* clean up */ |
| 296 |
< |
fclose(meshfp); |
| 296 |
> |
if (meshfp != stdin) |
| 297 |
> |
fclose(meshfp); |
| 298 |
> |
#ifdef getc_unlocked |
| 299 |
> |
else |
| 300 |
> |
funlockfile(meshfp); |
| 301 |
> |
#endif |
| 302 |
|
mp->ldflags |= flags; |
| 303 |
|
/* verify data */ |
| 304 |
|
if ((err = checkmesh(mp)) != NULL) |