From 367d308b8267ad86cd7623590b7bfd4737b5fbf5 Mon Sep 17 00:00:00 2001
From: Brian Paul <brian.paul@tungstengraphics.com>
Date: Fri, 25 Oct 2002 21:06:26 +0000
Subject: [PATCH] wrapped a few more C library functions

---
 src/mesa/drivers/osmesa/osmesa.c |   4 +-
 src/mesa/drivers/x11/fakeglx.c   |  32 ++++-----
 src/mesa/drivers/x11/xm_api.c    |  38 +++++------
 src/mesa/main/enums.c            |   4 +-
 src/mesa/main/extensions.c       |  16 ++---
 src/mesa/main/imports.c          | 112 ++++++++++++++++++++++++++++++-
 src/mesa/main/imports.h          |  33 ++++++++-
 src/mesa/main/light.c            |   8 +--
 src/mesa/main/light.h            |   4 +-
 9 files changed, 196 insertions(+), 55 deletions(-)

diff --git a/src/mesa/drivers/osmesa/osmesa.c b/src/mesa/drivers/osmesa/osmesa.c
index 5efb52391b6..f67047a1cd4 100644
--- a/src/mesa/drivers/osmesa/osmesa.c
+++ b/src/mesa/drivers/osmesa/osmesa.c
@@ -1,4 +1,4 @@
-/* $Id: osmesa.c,v 1.93 2002/10/24 23:57:23 brianp Exp $ */
+/* $Id: osmesa.c,v 1.94 2002/10/25 21:06:34 brianp Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -653,7 +653,7 @@ OSMesaGetProcAddress( const char *funcName )
 {
    int i;
    for (i = 0; functions[i].Name; i++) {
-      if (strcmp(functions[i].Name, funcName) == 0)
+      if (_mesa_strcmp(functions[i].Name, funcName) == 0)
          return (void *) functions[i].Address;
    }
    return (void *) _glapi_get_proc_address(funcName);
diff --git a/src/mesa/drivers/x11/fakeglx.c b/src/mesa/drivers/x11/fakeglx.c
index 99361b4d1a0..2cb45df70aa 100644
--- a/src/mesa/drivers/x11/fakeglx.c
+++ b/src/mesa/drivers/x11/fakeglx.c
@@ -1,4 +1,4 @@
-/* $Id: fakeglx.c,v 1.70 2002/10/24 23:57:23 brianp Exp $ */
+/* $Id: fakeglx.c,v 1.71 2002/10/25 21:06:34 brianp Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -271,7 +271,7 @@ save_glx_visual( Display *dpy, XVisualInfo *vinfo,
 
    if (dbFlag) {
       /* Check if the MESA_BACK_BUFFER env var is set */
-      char *backbuffer = getenv("MESA_BACK_BUFFER");
+      char *backbuffer = _mesa_getenv("MESA_BACK_BUFFER");
       if (backbuffer) {
          if (backbuffer[0]=='p' || backbuffer[0]=='P') {
             ximageFlag = GL_FALSE;
@@ -287,7 +287,7 @@ save_glx_visual( Display *dpy, XVisualInfo *vinfo,
 
    /* Comparing IDs uses less memory but sometimes fails. */
    /* XXX revisit this after 3.0 is finished. */
-   if (getenv("MESA_GLX_VISUAL_HACK"))
+   if (_mesa_getenv("MESA_GLX_VISUAL_HACK"))
       comparePointers = GL_TRUE;
    else
       comparePointers = GL_FALSE;
@@ -366,7 +366,7 @@ create_glx_visual( Display *dpy, XVisualInfo *visinfo )
                             );
    }
    else if (is_usable_visual( visinfo )) {
-      if (getenv("MESA_GLX_FORCE_CI")) {
+      if (_mesa_getenv("MESA_GLX_FORCE_CI")) {
          /* Configure this visual as a COLOR INDEX visual. */
          return save_glx_visual( dpy, visinfo,
                                  GL_FALSE,   /* rgb */
@@ -565,21 +565,21 @@ static XVisualInfo *get_env_visual(Display *dpy, int scr, const char *varname)
    int depth, xclass = -1;
    XVisualInfo *vis;
 
-   if (!getenv( varname )) {
+   if (!_mesa_getenv( varname )) {
       return NULL;
    }
 
-   strncpy( value, getenv(varname), 100 );
+   _mesa_strncpy( value, _mesa_getenv(varname), 100 );
    value[99] = 0;
 
    sscanf( value, "%s %d", type, &depth );
 
-   if (strcmp(type,"TrueColor")==0)          xclass = TrueColor;
-   else if (strcmp(type,"DirectColor")==0)   xclass = DirectColor;
-   else if (strcmp(type,"PseudoColor")==0)   xclass = PseudoColor;
-   else if (strcmp(type,"StaticColor")==0)   xclass = StaticColor;
-   else if (strcmp(type,"GrayScale")==0)     xclass = GrayScale;
-   else if (strcmp(type,"StaticGray")==0)    xclass = StaticGray;
+   if (_mesa_strcmp(type,"TrueColor")==0)          xclass = TrueColor;
+   else if (_mesa_strcmp(type,"DirectColor")==0)   xclass = DirectColor;
+   else if (_mesa_strcmp(type,"PseudoColor")==0)   xclass = PseudoColor;
+   else if (_mesa_strcmp(type,"StaticColor")==0)   xclass = StaticColor;
+   else if (_mesa_strcmp(type,"GrayScale")==0)     xclass = GrayScale;
+   else if (_mesa_strcmp(type,"StaticGray")==0)    xclass = StaticGray;
 
    if (xclass>-1 && depth>0) {
       vis = get_visual( dpy, scr, depth, xclass );
@@ -1383,7 +1383,7 @@ Fake_glXDestroyGLXPixmap( Display *dpy, GLXPixmap pixmap )
    if (b) {
       XMesaDestroyBuffer(b);
    }
-   else if (getenv("MESA_DEBUG")) {
+   else if (_mesa_getenv("MESA_DEBUG")) {
       _mesa_warning(NULL, "Mesa: glXDestroyGLXPixmap: invalid pixmap\n");
    }
 }
@@ -1457,7 +1457,7 @@ Fake_glXSwapBuffers( Display *dpy, GLXDrawable drawable )
    if (buffer) {
       XMesaSwapBuffers(buffer);
    }
-   else if (getenv("MESA_DEBUG")) {
+   else if (_mesa_getenv("MESA_DEBUG")) {
       _mesa_warning(NULL, "Mesa: glXSwapBuffers: invalid drawable\n");
    }
 }
@@ -1474,7 +1474,7 @@ Fake_glXCopySubBufferMESA( Display *dpy, GLXDrawable drawable,
    if (buffer) {
       XMesaCopySubBuffer(buffer, x, y, width, height);
    }
-   else if (getenv("MESA_DEBUG")) {
+   else if (_mesa_getenv("MESA_DEBUG")) {
       _mesa_warning(NULL, "Mesa: glXCopySubBufferMESA: invalid drawable\n");
    }
 }
@@ -1742,7 +1742,7 @@ static const char *
 get_extensions( void )
 {
 #ifdef FX
-   const char *fx = getenv("MESA_GLX_FX");
+   const char *fx = _mesa_getenv("MESA_GLX_FX");
    if (fx && fx[0] != 'd') {
       return EXTENSIONS;
    }
diff --git a/src/mesa/drivers/x11/xm_api.c b/src/mesa/drivers/x11/xm_api.c
index 9ea50fb8bc7..c9917794333 100644
--- a/src/mesa/drivers/x11/xm_api.c
+++ b/src/mesa/drivers/x11/xm_api.c
@@ -1,4 +1,4 @@
-/* $Id: xm_api.c,v 1.46 2002/10/24 23:57:23 brianp Exp $ */
+/* $Id: xm_api.c,v 1.47 2002/10/25 21:06:34 brianp Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -167,7 +167,7 @@ static void error( const char *msg )
 {
    (void)DitherValues;		/* Muffle compiler */
 
-   if (getenv("MESA_DEBUG"))
+   if (_mesa_getenv("MESA_DEBUG"))
       fprintf( stderr, "X/Mesa error: %s\n", msg );
 }
 
@@ -266,7 +266,7 @@ static GLint gamma_adjust( GLfloat gamma, GLint value, GLint max )
    }
    else {
       double x = (double) value / (double) max;
-      return IROUND_POS((GLfloat) max * pow(x, 1.0F/gamma));
+      return IROUND_POS((GLfloat) max * _mesa_pow(x, 1.0F/gamma));
    }
 }
 
@@ -504,7 +504,7 @@ static GLboolean alloc_shm_back_buffer( XMesaBuffer b )
    b->shminfo.shmid = shmget( IPC_PRIVATE, b->backimage->bytes_per_line
 			     * b->backimage->height, IPC_CREAT|0777 );
    if (b->shminfo.shmid < 0) {
-      if (getenv("MESA_DEBUG"))
+      if (_mesa_getenv("MESA_DEBUG"))
           perror("alloc_back_buffer");
       XDestroyImage( b->backimage );
       b->backimage = NULL;
@@ -516,7 +516,7 @@ static GLboolean alloc_shm_back_buffer( XMesaBuffer b )
    b->shminfo.shmaddr = b->backimage->data
                       = (char*)shmat( b->shminfo.shmid, 0, 0 );
    if (b->shminfo.shmaddr == (char *) -1) {
-      if (getenv("MESA_DEBUG"))
+      if (_mesa_getenv("MESA_DEBUG"))
           perror("alloc_back_buffer");
       XDestroyImage( b->backimage );
       shmctl( b->shminfo.shmid, IPC_RMID, 0 );
@@ -872,7 +872,7 @@ static GLboolean setup_grayscale( int client, XMesaVisual v,
             buffer->pixel_to_b[xcol.pixel] = gray;
          }
 
-         if (colorsfailed && getenv("MESA_DEBUG")) {
+         if (colorsfailed && _mesa_getenv("MESA_DEBUG")) {
             fprintf( stderr,
                   "Note: %d out of 256 needed colors do not match exactly.\n",
                   colorsfailed );
@@ -952,7 +952,7 @@ static GLboolean setup_dithered_color( int client, XMesaVisual v,
             }
          }
 
-         if (colorsfailed && getenv("MESA_DEBUG")) {
+         if (colorsfailed && _mesa_getenv("MESA_DEBUG")) {
             fprintf( stderr,
                   "Note: %d out of %d needed colors do not match exactly.\n",
                   colorsfailed, _R*_G*_B );
@@ -986,19 +986,19 @@ static void setup_8bit_hpcr( XMesaVisual v )
 
    g = 1.0 / v->RedGamma;
    for (i=0; i<256; i++) {
-      GLint red = IROUND_POS(255.0 * pow( hpcr_rgbTbl[0][i]/255.0, g ));
+      GLint red = IROUND_POS(255.0 * _mesa_pow( hpcr_rgbTbl[0][i]/255.0, g ));
       v->hpcr_rgbTbl[0][i] = CLAMP( red, 16, 239 );
    }
 
    g = 1.0 / v->GreenGamma;
    for (i=0; i<256; i++) {
-      GLint green = IROUND_POS(255.0 * pow( hpcr_rgbTbl[1][i]/255.0, g ));
+      GLint green = IROUND_POS(255.0 * _mesa_pow( hpcr_rgbTbl[1][i]/255.0, g ));
       v->hpcr_rgbTbl[1][i] = CLAMP( green, 16, 239 );
    }
 
    g = 1.0 / v->BlueGamma;
    for (i=0; i<256; i++) {
-      GLint blue = IROUND_POS(255.0 * pow( hpcr_rgbTbl[2][i]/255.0, g ));
+      GLint blue = IROUND_POS(255.0 * _mesa_pow( hpcr_rgbTbl[2][i]/255.0, g ));
       v->hpcr_rgbTbl[2][i] = CLAMP( blue, 32, 223 );
    }
    v->undithered_pf = PF_HPCR;  /* can't really disable dithering for now */
@@ -1007,7 +1007,7 @@ static void setup_8bit_hpcr( XMesaVisual v )
    /* which method should I use to clear */
    /* GL_FALSE: keep the ordinary method  */
    /* GL_TRUE : clear with dither pattern */
-   v->hpcr_clear_flag = getenv("MESA_HPCR_CLEAR") ? GL_TRUE : GL_FALSE;
+   v->hpcr_clear_flag = _mesa_getenv("MESA_HPCR_CLEAR") ? GL_TRUE : GL_FALSE;
 
    if (v->hpcr_clear_flag) {
       v->hpcr_clear_pixmap = XMesaCreatePixmap(v->display,
@@ -1242,7 +1242,7 @@ static GLboolean initialize_visual_and_buffer( int client,
       }
       v->index_bits = 0;
 
-      if (getenv("MESA_NO_DITHER")) {
+      if (_mesa_getenv("MESA_NO_DITHER")) {
 	 v->dithered_pf = v->undithered_pf;
       }
    }
@@ -1253,7 +1253,7 @@ static GLboolean initialize_visual_and_buffer( int client,
     * which can help Brian figure out what's going on when a user
     * reports bugs.
     */
-   if (getenv("MESA_INFO")) {
+   if (_mesa_getenv("MESA_INFO")) {
       fprintf(stderr, "X/Mesa visual = %p\n", (void *) v);
       fprintf(stderr, "X/Mesa dithered pf = %u\n", v->dithered_pf);
       fprintf(stderr, "X/Mesa undithered pf = %u\n", v->undithered_pf);
@@ -1471,7 +1471,7 @@ XMesaVisual XMesaCreateVisual( XMesaDisplay *display,
    GLint red_bits, green_bits, blue_bits, alpha_bits;
 
    /* For debugging only */
-   if (getenv("MESA_XSYNC")) {
+   if (_mesa_getenv("MESA_XSYNC")) {
       /* This makes debugging X easier.
        * In your debugger, set a breakpoint on _XError to stop when an
        * X protocol error is generated.
@@ -1529,7 +1529,7 @@ XMesaVisual XMesaCreateVisual( XMesaDisplay *display,
 #endif
 
    /* check for MESA_GAMMA environment variable */
-   gamma = getenv("MESA_GAMMA");
+   gamma = _mesa_getenv("MESA_GAMMA");
    if (gamma) {
       v->RedGamma = v->GreenGamma = v->BlueGamma = 0.0;
       sscanf( gamma, "%f %f %f", &v->RedGamma, &v->GreenGamma, &v->BlueGamma );
@@ -1732,7 +1732,7 @@ XMesaBuffer XMesaCreateWindowBuffer2( XMesaVisual v, XMesaWindow w,
 
    if (GET_VISUAL_DEPTH(v) != attr.depth) {
 #endif
-      if (getenv("MESA_DEBUG")) {
+      if (_mesa_getenv("MESA_DEBUG")) {
          fprintf(stderr, "XMesaCreateWindowBuffer: depth mismatch between visual and window!\n");
       }
       return NULL;
@@ -1748,7 +1748,7 @@ XMesaBuffer XMesaCreateWindowBuffer2( XMesaVisual v, XMesaWindow w,
       b->cmap = attr.colormap;
    }
    else {
-      if (getenv("MESA_DEBUG")) {
+      if (_mesa_getenv("MESA_DEBUG")) {
          fprintf(stderr, "Window %u has no colormap!\n", (unsigned int) w);
       }
       /* this is weird, a window w/out a colormap!? */
@@ -1784,7 +1784,7 @@ XMesaBuffer XMesaCreateWindowBuffer2( XMesaVisual v, XMesaWindow w,
    }
 
 #ifdef FX
-   fxEnvVar = getenv("MESA_GLX_FX");
+   fxEnvVar = _mesa_getenv("MESA_GLX_FX");
    if (fxEnvVar) {
      if (fxEnvVar[0]!='d') {
        int attribs[100];
@@ -2181,7 +2181,7 @@ GLboolean XMesaLoseCurrent(XMesaContext c)
 GLboolean XMesaSetFXmode( GLint mode )
 {
 #ifdef FX
-   const char *fx = getenv("MESA_GLX_FX");
+   const char *fx = _mesa_getenv("MESA_GLX_FX");
    if (fx && fx[0] != 'd') {
       GET_CURRENT_CONTEXT(ctx);
       GrHwConfiguration hw;
diff --git a/src/mesa/main/enums.c b/src/mesa/main/enums.c
index f7a3e439ab8..dfa739f4067 100644
--- a/src/mesa/main/enums.c
+++ b/src/mesa/main/enums.c
@@ -1,4 +1,4 @@
-/* $Id: enums.c,v 1.22 2002/10/24 23:57:20 brianp Exp $ */
+/* $Id: enums.c,v 1.23 2002/10/25 21:06:26 brianp Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -853,7 +853,7 @@ static int sorted = 0;
 
 static int compar_name( const enum_elt *a, const enum_elt *b )
 {
-   return strcmp(a->c, b->c);
+   return _mesa_strcmp(a->c, b->c);
 }
 
 
diff --git a/src/mesa/main/extensions.c b/src/mesa/main/extensions.c
index 88868b9633f..f387fb2c212 100644
--- a/src/mesa/main/extensions.c
+++ b/src/mesa/main/extensions.c
@@ -1,4 +1,4 @@
-/* $Id: extensions.c,v 1.84 2002/10/24 23:57:20 brianp Exp $ */
+/* $Id: extensions.c,v 1.85 2002/10/25 21:06:27 brianp Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -315,7 +315,7 @@ _mesa_add_extension( GLcontext *ctx,
    {
       struct extension *t = MALLOC_STRUCT(extension);
       t->enabled = enabled;
-      strncpy(t->name, name, MAX_EXT_NAMELEN);
+      _mesa_strncpy(t->name, name, MAX_EXT_NAMELEN);
       t->name[MAX_EXT_NAMELEN] = 0;
       t->flag = flag_ptr;
       if (t->flag)
@@ -337,7 +337,7 @@ set_extension( GLcontext *ctx, const char *name, GLint state )
     */
    struct extension *i;
    foreach( i, ctx->Extensions.ext_list )
-      if (strncmp(i->name, name, MAX_EXT_NAMELEN) == 0)
+      if (_mesa_strncmp(i->name, name, MAX_EXT_NAMELEN) == 0)
 	 break;
 
    if (i == ctx->Extensions.ext_list) {
@@ -379,7 +379,7 @@ _mesa_extension_is_enabled( GLcontext *ctx, const char *name)
 {
    struct extension *i;
    foreach( i, ctx->Extensions.ext_list )
-      if (strncmp(i->name, name, MAX_EXT_NAMELEN) == 0) {
+      if (_mesa_strncmp(i->name, name, MAX_EXT_NAMELEN) == 0) {
          if (i->enabled)
             return GL_TRUE;
          else
@@ -446,18 +446,18 @@ _mesa_extensions_get_string( GLcontext *ctx )
       GLuint len = 0;
       foreach (i, ctx->Extensions.ext_list)
 	 if (i->enabled)
-	    len += strlen(i->name) + 1;
+	    len += _mesa_strlen(i->name) + 1;
 
       if (len == 0)
 	 return "";
 
-      str = (char *)MALLOC(len * sizeof(char));
+      str = (char *) _mesa_malloc(len * sizeof(char));
       ctx->Extensions.ext_string = str;
 
       foreach (i, ctx->Extensions.ext_list)
 	 if (i->enabled) {
-	    strcpy(str, i->name);
-	    str += strlen(str);
+	    _mesa_strcpy(str, i->name);
+	    str += _mesa_strlen(str);
 	    *str++ = ' ';
 	 }
 
diff --git a/src/mesa/main/imports.c b/src/mesa/main/imports.c
index 3b88009edd5..f9c69863ab3 100644
--- a/src/mesa/main/imports.c
+++ b/src/mesa/main/imports.c
@@ -1,4 +1,4 @@
-/* $Id: imports.c,v 1.21 2002/10/24 23:57:21 brianp Exp $ */
+/* $Id: imports.c,v 1.22 2002/10/25 21:06:28 brianp Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -208,6 +208,50 @@ _mesa_bzero( void *dst, size_t n )
 }
 
 
+double
+_mesa_sin(double a)
+{
+#ifdef XFree86LOADER
+   return xf86sin(a);
+#else
+   return sin(a);
+#endif
+}
+
+
+double
+_mesa_cos(double a)
+{
+#ifdef XFree86LOADER
+   return xf86cos(a);
+#else
+   return cos(a);
+#endif
+}
+
+
+double
+_mesa_sqrt(double x)
+{
+#ifdef XFree86LOADER
+   return xf86sqrt(x);
+#else
+   return sqrt(x);
+#endif
+}
+
+
+double
+_mesa_pow(double x, double y)
+{
+#ifdef XFree86LOADER
+   return xf86pow(x, y);
+#else
+   return pow(x, y);
+#endif
+}
+
+
 char *
 _mesa_getenv( const char *var )
 {
@@ -230,6 +274,72 @@ _mesa_strstr( const char *haystack, const char *needle )
 }
 
 
+char *
+_mesa_strncat( char *dest, const char *src, size_t n )
+{
+#ifdef XFree86LOADER
+   return xf86strncat(dest, src, n);
+#else
+   return strncat(dest, src, n);
+#endif
+}
+
+
+char *
+_mesa_strcpy( char *dest, const char *src )
+{
+#ifdef XFree86LOADER
+   return xf86strcpy(dest, src);
+#else
+   return strcpy(dest, src);
+#endif
+}
+
+
+char *
+_mesa_strncpy( char *dest, const char *src, size_t n )
+{
+#ifdef XFree86LOADER
+   return xf86strncpy(dest, src, n);
+#else
+   return strncpy(dest, src, n);
+#endif
+}
+
+
+size_t
+_mesa_strlen( const char *s )
+{
+#ifdef XFree86LOADER
+   return xf86strlen(s);
+#else
+   return strlen(s);
+#endif
+}
+
+
+int
+_mesa_strcmp( const char *s1, const char *s2 )
+{
+#ifdef XFree86LOADER
+   return xf86strcmp(s1, s2);
+#else
+   return strcmp(s1, s2);
+#endif
+}
+
+
+int
+_mesa_strncmp( const char *s1, const char *s2, size_t n )
+{
+#ifdef XFree86LOADER
+   return xf86strncmp(s1, s2, n);
+#else
+   return strncmp(s1, s2, n);
+#endif
+}
+
+
 int
 _mesa_atoi(const char *s)
 {
diff --git a/src/mesa/main/imports.h b/src/mesa/main/imports.h
index 4054ed0c941..463b9cafb9c 100644
--- a/src/mesa/main/imports.h
+++ b/src/mesa/main/imports.h
@@ -1,4 +1,4 @@
-/* $Id: imports.h,v 1.6 2002/10/24 23:57:21 brianp Exp $ */
+/* $Id: imports.h,v 1.7 2002/10/25 21:06:29 brianp Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -127,12 +127,43 @@ extern void
 _mesa_bzero( void *dst, size_t n );
 
 
+extern double
+_mesa_sin(double a);
+
+extern double
+_mesa_cos(double a);
+
+extern double
+_mesa_sqrt(double x);
+
+extern double
+_mesa_pow(double x, double y);
+
+
 extern char *
 _mesa_getenv( const char *var );
 
 extern char *
 _mesa_strstr( const char *haystack, const char *needle );
 
+extern char *
+_mesa_strncat( char *dest, const char *src, size_t n );
+
+extern char *
+_mesa_strcpy( char *dest, const char *src );
+
+extern char *
+_mesa_strncpy( char *dest, const char *src, size_t n );
+
+extern size_t
+_mesa_strlen( const char *s );
+
+extern int
+_mesa_strcmp( const char *s1, const char *s2 );
+
+extern int
+_mesa_strncmp( const char *s1, const char *s2, size_t n );
+
 extern int
 _mesa_atoi( const char *s );
 
diff --git a/src/mesa/main/light.c b/src/mesa/main/light.c
index 638be5e8353..201938d4aa7 100644
--- a/src/mesa/main/light.c
+++ b/src/mesa/main/light.c
@@ -1,4 +1,4 @@
-/* $Id: light.c,v 1.53 2002/10/24 23:57:21 brianp Exp $ */
+/* $Id: light.c,v 1.54 2002/10/25 21:06:29 brianp Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -156,7 +156,7 @@ _mesa_Lightfv( GLenum light, GLenum pname, const GLfloat *params )
 	 return;
       FLUSH_VERTICES(ctx, _NEW_LIGHT);
       l->SpotCutoff = params[0];
-      l->_CosCutoff = (GLfloat) cos(params[0]*DEG2RAD);
+      l->_CosCutoff = (GLfloat) _mesa_cos(params[0]*DEG2RAD);
       if (l->_CosCutoff < 0)
 	 l->_CosCutoff = 0;
       if (l->SpotCutoff != 180.0F)
@@ -1038,7 +1038,7 @@ static void validate_spot_exp_table( struct gl_light *l )
 
    for (i = EXP_TABLE_SIZE - 1; i > 0 ;i--) {
       if (clamp == 0) {
-	 tmp = pow(i / (GLdouble) (EXP_TABLE_SIZE - 1), exponent);
+	 tmp = _mesa_pow(i / (GLdouble) (EXP_TABLE_SIZE - 1), exponent);
 	 if (tmp < FLT_MIN * 100.0) {
 	    tmp = 0.0;
 	    clamp = 1;
@@ -1096,7 +1096,7 @@ static void validate_shine_table( GLcontext *ctx, GLuint i, GLfloat shininess )
             GLdouble t, x = j / (GLfloat) (SHINE_TABLE_SIZE - 1);
             if (x < 0.005) /* underflow check */
                x = 0.005;
-            t = pow(x, shininess);
+            t = _mesa_pow(x, shininess);
 	    if (t > 1e-20)
 	       m[j] = (GLfloat) t;
 	    else
diff --git a/src/mesa/main/light.h b/src/mesa/main/light.h
index 5cd24e83ff4..63c40f87975 100644
--- a/src/mesa/main/light.h
+++ b/src/mesa/main/light.h
@@ -1,4 +1,4 @@
-/* $Id: light.h,v 1.14 2001/09/14 21:36:43 brianp Exp $ */
+/* $Id: light.h,v 1.15 2002/10/25 21:06:30 brianp Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -86,7 +86,7 @@ do {									\
    float f = (dp * (SHINE_TABLE_SIZE-1));				\
    int k = (int) f;							\
    if (k > SHINE_TABLE_SIZE-2) 						\
-      result = (GLfloat) pow( dp, _tab->shininess );			\
+      result = (GLfloat) _mesa_pow( dp, _tab->shininess );		\
    else									\
       result = _tab->tab[k] + (f-k)*(_tab->tab[k+1]-_tab->tab[k]);	\
 } while (0)
-- 
2.30.2