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> #0 0x00000038ec873cb0 in strlen () from /lib64/libc.so.6
> #1 0x00000038ec85dcae in fputs () from /lib64/libc.so.6
> #2 0x00000000004407a6 in pov::POV_Std_Display_Init (w=Variable "w" is not
> available.
> ) at userdisp.cpp:66
OK, the problem was introduced in megapov and is simple to fix.
Edit the file source/userdisp.cpp and change the line 65 from:
char *s = NULL;
to
char *s = "";
and the segmentation fault should go away. Do the same at lines 97 and 117.
Even better, as the AVOID_EMPTY_STRING_WARNING megapov patch is quite
ugly IMHO, you may apply the following *untested* patch (the code should work,
but I cannot verify whether it will fill its purpose of avoiding a compiler
warning). Paste the following into patchfile and apply the patch as:
patch -p0 < patchfile
% cat patchfile
--- userdisp.cpp.bak 2005-08-23 21:20:33.000000000 +0200
+++ userdisp.cpp 2006-11-11 13:57:09.000000000 +0100
@@ -62,8 +62,7 @@
Prev_X = 0;
Prev_Y = 0;
#ifdef AVOID_EMPTY_STRING_WARNING
- char *s = NULL;
- fprintf(stderr, "%s", s);
+ fprintf(stderr, "%s", "");
#else
fprintf(stderr, "");
#endif
@@ -94,8 +93,7 @@
void POV_Std_Display_Close()
{
#ifdef AVOID_EMPTY_STRING_WARNING
- char *s = NULL;
- fprintf(stderr, "%s", s);
+ fprintf(stderr, "%s", "");
#else
fprintf(stderr, "");
#endif
@@ -114,8 +112,7 @@
Prev_Y++;
#ifdef AVOID_EMPTY_STRING_WARNING
- char *s = NULL;
- fprintf(stderr, "%s", s);
+ fprintf(stderr, "%s", "");
#else
fprintf(stderr, "");
#endif
Hope this helps,
- NC
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