server: always use correct case for map names

[xonotic/darkplaces.git] / gl_textures.c

diff --git a/gl_textures.c b/gl_textures.c
index d1ec62a339fd981432898c4d441b3d4fc7172c87..100989729b7742f82d7aef250ecc83493fdd49e5 100644 (file)
--- a/gl_textures.c
+++ b/gl_textures.c
@@ -1,3 +1,23 @@
+/*
+Copyright (C) 2000-2020 DarkPlaces contributors
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+See the GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+
+*/
+
 
 #include "quakedef.h"
 #include "image.h"
@@ -908,19 +928,19 @@ static void GL_SetupTextureParameters(int flags, textype_t textype, int texturet
 static void R_UploadPartialTexture(gltexture_t *glt, const unsigned char *data, int fragx, int fragy, int fragz, int fragwidth, int fragheight, int fragdepth)
 {
        if (data == NULL)
-               Sys_Error("R_UploadPartialTexture \"%s\": partial update with NULL pixels", glt->identifier);
+               Sys_Abort("R_UploadPartialTexture \"%s\": partial update with NULL pixels", glt->identifier);
 
        if (glt->texturetype != GLTEXTURETYPE_2D)
-               Sys_Error("R_UploadPartialTexture \"%s\": partial update of type other than 2D", glt->identifier);
+               Sys_Abort("R_UploadPartialTexture \"%s\": partial update of type other than 2D", glt->identifier);
 
        if (glt->textype->textype == TEXTYPE_PALETTE)
-               Sys_Error("R_UploadPartialTexture \"%s\": partial update of paletted texture", glt->identifier);
+               Sys_Abort("R_UploadPartialTexture \"%s\": partial update of paletted texture", glt->identifier);
 
        if (glt->flags & (TEXF_MIPMAP | TEXF_PICMIP))
-               Sys_Error("R_UploadPartialTexture \"%s\": partial update not supported with MIPMAP or PICMIP flags", glt->identifier);
+               Sys_Abort("R_UploadPartialTexture \"%s\": partial update not supported with MIPMAP or PICMIP flags", glt->identifier);
 
        if (glt->inputwidth != glt->tilewidth || glt->inputheight != glt->tileheight || glt->tiledepth != 1)
-               Sys_Error("R_UploadPartialTexture \"%s\": partial update not supported with stretched or special textures", glt->identifier);
+               Sys_Abort("R_UploadPartialTexture \"%s\": partial update not supported with stretched or special textures", glt->identifier);
 
        // update a portion of the image
 
@@ -951,7 +971,7 @@ static void R_UploadFullTexture(gltexture_t *glt, const unsigned char *data)
 
        // error out if a stretch is needed on special texture types
        if (glt->texturetype != GLTEXTURETYPE_2D && (glt->tilewidth != glt->inputwidth || glt->tileheight != glt->inputheight || glt->tiledepth != glt->inputdepth))
-               Sys_Error("R_UploadFullTexture \"%s\": stretch uploads allowed only on 2D textures\n", glt->identifier);
+               Sys_Abort("R_UploadFullTexture \"%s\": stretch uploads allowed only on 2D textures\n", glt->identifier);
 
        // when picmip or maxsize is applied, we scale up to a power of 2 multiple
        // of the target size and then use the mipmap reduction function to get
@@ -1260,7 +1280,7 @@ static rtexture_t *R_SetupTexture(rtexturepool_t *rtexturepool, const char *iden
                flags |= TEXF_ALPHA;
                break;
        default:
-               Sys_Error("R_LoadTexture: unknown texture type");
+               Sys_Abort("R_LoadTexture: unknown texture type");
        }
 
        texinfo2 = R_GetTexTypeInfo(textype, flags);
@@ -1271,7 +1291,7 @@ static rtexture_t *R_SetupTexture(rtexturepool_t *rtexturepool, const char *iden
 
        glt = (gltexture_t *)Mem_ExpandableArray_AllocRecord(&texturearray);
        if (identifier)
-               strlcpy (glt->identifier, identifier, sizeof(glt->identifier));
+               dp_strlcpy (glt->identifier, identifier, sizeof(glt->identifier));
        glt->pool = pool;
        glt->chain = pool->gltchain;
        pool->gltchain = glt;
@@ -1362,7 +1382,7 @@ rtexture_t *R_LoadTextureRenderBuffer(rtexturepool_t *rtexturepool, const char *
 
        glt = (gltexture_t *)Mem_ExpandableArray_AllocRecord(&texturearray);
        if (identifier)
-               strlcpy (glt->identifier, identifier, sizeof(glt->identifier));
+               dp_strlcpy (glt->identifier, identifier, sizeof(glt->identifier));
        glt->pool = pool;
        glt->chain = pool->gltchain;
        pool->gltchain = glt;
@@ -1666,7 +1686,7 @@ rtexture_t *R_LoadTextureDDSFile(rtexturepool_t *rtexturepool, const char *filen
 
                        texinfo = R_GetTexTypeInfo(textype, flags);
 
-                       strlcpy (glt->identifier, vabuf, sizeof(glt->identifier));
+                       dp_strlcpy(glt->identifier, vabuf, sizeof(glt->identifier));
                        glt->pool = pool;
                        glt->chain = pool->gltchain;
                        pool->gltchain = glt;
@@ -1949,7 +1969,8 @@ rtexture_t *R_LoadTextureDDSFile(rtexturepool_t *rtexturepool, const char *filen
                unsigned char *p = mipnewpixels;
                for (i = bytesperblock == 16 ? 8 : 0;i < (int)mipsize_total;i += bytesperblock, p += 4)
                {
-                       c = mippixels_start[i] + 256*mippixels_start[i+1] + 65536*mippixels_start[i+2] + 16777216*mippixels_start[i+3];
+                       // UBSan: unsigned literals because promotion to int causes signed overflow when mippixels_start >= 128
+                       c = mippixels_start[i] + 256u*mippixels_start[i+1] + 65536u*mippixels_start[i+2] + 16777216u*mippixels_start[i+3];
                        p[2] = (((c >> 11) & 0x1F) + ((c >> 27) & 0x1F)) * (0.5f / 31.0f * 255.0f);
                        p[1] = (((c >>  5) & 0x3F) + ((c >> 21) & 0x3F)) * (0.5f / 63.0f * 255.0f);
                        p[0] = (((c      ) & 0x1F) + ((c >> 16) & 0x1F)) * (0.5f / 31.0f * 255.0f);
@@ -1994,7 +2015,8 @@ rtexture_t *R_LoadTextureDDSFile(rtexturepool_t *rtexturepool, const char *filen
                {
                        for (i = bytesperblock == 16 ? 8 : 0;i < mipsize;i += bytesperblock)
                        {
-                               c = mippixels[i] + 256*mippixels[i+1] + 65536*mippixels[i+2] + 16777216*mippixels[i+3];
+                               // UBSan: unsigned literals because promotion to int causes signed overflow when mippixels >= 128
+                               c = mippixels[i] + 256u*mippixels[i+1] + 65536u*mippixels[i+2] + 16777216u*mippixels[i+3];
                                avgcolor[0] += ((c >> 11) & 0x1F) + ((c >> 27) & 0x1F);
                                avgcolor[1] += ((c >>  5) & 0x3F) + ((c >> 21) & 0x3F);
                                avgcolor[2] += ((c      ) & 0x1F) + ((c >> 16) & 0x1F);
@@ -2144,7 +2166,7 @@ rtexture_t *R_LoadTextureDDSFile(rtexturepool_t *rtexturepool, const char *filen
        texinfo = R_GetTexTypeInfo(textype, flags);
 
        glt = (gltexture_t *)Mem_ExpandableArray_AllocRecord(&texturearray);
-       strlcpy (glt->identifier, filename, sizeof(glt->identifier));
+       dp_strlcpy (glt->identifier, filename, sizeof(glt->identifier));
        glt->pool = pool;
        glt->chain = pool->gltchain;
        pool->gltchain = glt;