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functions "luaI_free" and "luaI_realloc" (or macro "growvector") may be

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called with NULL.
This commit is contained in:
Roberto Ierusalimschy 1996-02-22 17:34:33 -03:00
parent 05caf09a36
commit 8c1a9899d4
6 changed files with 33 additions and 57 deletions
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8
opcode.c
View file

@ -3,7 +3,7 @@
** TecCGraf - PUC-Rio
*/
char *rcs_opcode="$Id: opcode.c,v 3.56 1996/02/08 17:03:20 roberto Exp roberto $";
char *rcs_opcode="$Id: opcode.c,v 3.57 1996/02/12 18:32:40 roberto Exp roberto $";
#include <setjmp.h>
#include <stdlib.h>
@ -135,8 +135,7 @@ static char *lua_strconc (char *l, char *r)
if (n > buffer_size)
{
buffer_size = n;
if (buffer != NULL)
luaI_free(buffer);
luaI_free(buffer);
buffer = newvector(buffer_size, char);
}
strcpy(buffer,l);
@ -525,8 +524,7 @@ static int do_protectedmain (void)
adjustC(0); /* erase extra slot */
}
errorJmp = oldErr;
if (tf.code)
luaI_free(tf.code);
luaI_free(tf.code);
return status;
}