buffer c++

[marodal]

Pues parece ser que esta instruccion no es valida en mi caso, puede ser pq tengo que pasarle como argumento algo distinto a un buffer de caracteres no??
Me aparece el siguiente mensaje de error en tiempo de ejecucion:


*** glibc detected *** ./elevationmap: free(): invalid pointer: 0x080f7920 ***
======= Backtrace: =========
/lib/tls/i686/cmov/libc.so.6[0xb79dca85]
/lib/tls/i686/cmov/libc.so.6(cfree+0x90)[0xb79e04f0]
./elevationmap[0x8050f74]
./elevationmap[0x804e051]
/lib/tls/i686/cmov/libc.so.6(__libc_start_main+0xe0)[0xb7987450]
./elevationmap(__gxx_personality_v0+0x339)[0x804da61]
======= Memory map: ========
08048000-080f7000 r-xp 00000000 08:05 8798943 /home/miguel/Documentos/cvs/romeo_yarp/elevationmap/elevationmap
080f7000-080f8000 rw-p 000af000 08:05 8798943 /home/miguel/Documentos/cvs/romeo_yarp/elevationmap/elevationmap
080f8000-0915a000 rw-p 080f8000 00:00 0 [heap]
b25e3000-b260b000 r-xp 00000000 08:05 11622520 /usr/lib/libkdefx.so.4.2.0
b260b000-b260c000 rw-p 00027000 08:05 11622520 /usr/lib/libkdefx.so.4.2.0
b2625000-b265c000 r-xp 00000000 08:05 11657237 /usr/lib/kde3/plugins/styles/qtcurve.so
b265c000-b265e000 rw-p 00036000 08:05 11657237 /usr/lib/kde3/plugins/styles/qtcurve.so
b265e000-b2664000 r--s 00000000 08:05 11993548 /var/cache/fontconfig/945677eb7aeaf62f1d50efc3fb3ec7d8-x86.cache-2
b2664000-b2667000 r--s 00000000 08:05 11994773 /var/cache/fontconfig/e383d7ea5fbe662a33d9b44caf393297-x86.cache-2
b2667000-b2668000 r--s 00000000 08:05 11994772 /var/cache/fontconfig/c69f04ab05004e31a6d5e715764f16d8-x86.cache-2
b2668000-b2669000 r--s 00000000 08:05 11994771 /var/cache/fontconfig/4c73fe0c47614734b17d736dbde7580a-x86.cache-2
b2669000-b266c000 r--s 00000000 08:05 11994769 /var/cache/fontconfig/a755afe4a08bf5b97852ceb7400b47bc-x86.cache-2
b266c000-b266f000 r--s 00000000 08:05 11994754 /var/cache/fontconfig/6d41288fd70b0be22e8c3a91e032eec0-x86.cache-2
b266f000-b2672000 r--s 00000000 08:05 11994752 /var/cache/fontconfig/de156ccd2eddbdc19d37a45b8b2aac9c-x86.cache-2
b2672000-b267a000 r--s 00000000 08:05 11994691 /var/cache/fontconfig/e3de0de479f42330eadf588a55fb5bf4-x86.cache-2
b267a000-b2682000 r--s 00000000 08:05 11994690 /var/cache/fontconfig/0f34bcd4b6ee430af32735b75db7f02b-x86.cache-2
b2682000-b26a4000 r--s 00000000 08:05 11995039 /var/cache/fontconfig/365b55f210c0a22e9a19e35191240f32-x86.cache-2
b26a4000-b26c5000 r--p 00000000 08:05 11896644 /usr/share/locale-langpack/es/LC_MESSAGES/libc.mo
b26c5000-b26d6000 r-xp 00000000 08:05 11617992 /usr/lib/libXft.so.2.1.2
b26d6000-b26d7000 rw-p 00010000 08:05 11617992 /usr/lib/libXft.so.2.1.2
b26d7000-b2724000 r-xp 00000000 08:05 11618012 /usr/lib/libXt.so.6.0.0
b2724000-b2728000 rw-p 0004c000 08:05 11618012 /usr/lib/libXt.so.6.0.0
b2728000-b2efe000 r-xp 00000000 08:05 11618839 /usr/lib/libqt-mt.so.3.3.8
b2efe000-b2f44000 rw-p 007d5000 08:05 11618839 /usr/lib/libqt-mt.so.3.3.8
b2f44000-b2f48000 rw-p b2f44 Cancelado

GRacias de todas formas por intentarlo