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(decl of create_definition): Move forward declaration past the definition of struct macrodef.

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(decl of create_definition): Move forward declaration
past the definition of struct macrodef.
(VMS_strncat): New function.

From-SVN: r1915
This commit is contained in:
Richard Stallman 1992-08-20 19:34:20 +00:00
parent ebea352be5
commit 106d7d7de8
1 changed files with 27 additions and 4 deletions
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31
gcc/cccp.c
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@ -85,9 +85,6 @@ typedef unsigned char U_CHAR;
#include <fcntl.h>
#endif /* USG */
#endif /* not VMS */
extern char *index ();
extern char *rindex ();
/* VMS-specific definitions */
#ifdef VMS
@ -102,6 +99,8 @@ extern char *rindex ();
#define open(fname,mode,prot) VMS_open(fname,mode,prot)
#define fopen(fname,mode) VMS_fopen(fname,mode)
#define freopen(fname,mode,ofile) VMS_freopen(fname,mode,ofile)
#define strncat(dst,src,cnt) VMS_strncat(dst,src,cnt)
static char * VMS_strncat ();
static int VMS_read ();
static int VMS_write ();
static int VMS_open ();
@ -115,6 +114,9 @@ typedef struct { unsigned :16, :16, :16; } vms_ino_t;
#define BSTRING /* VMS/GCC supplies the bstring routines */
#endif /* __GNUC__ */
#endif /* VMS */
extern char *index ();
extern char *rindex ();
#ifndef O_RDONLY
#define O_RDONLY 0
@ -299,7 +301,7 @@ static U_CHAR *skip_quoted_string ();
static U_CHAR *skip_paren_group ();
static char *check_precompiled ();
static struct macrodef create_definition ();
/* static struct macrodef create_definition (); [moved below] */
static void dump_single_macro ();
#ifndef FAILURE_EXIT_CODE
@ -595,6 +597,8 @@ struct macrodef
int symlen;
};
static struct macrodef create_definition ();
/* Structure allocated for every #define. For a simple replacement
such as
@ -8867,4 +8871,23 @@ open (fname, flags, prot)
return open (fname, flags, prot, "mbc=16", "deq=64", "fop=tef");
}
/* Avoid run-time library bug, where copying M out of N+M characters with
N >= 65535 results in VAXCRTL's strncat falling into an infinite loop.
gcc-cpp exercises this particular bug. */
static char *
strncat (dst, src, cnt)
char *dst;
const char *src;
unsigned cnt;
{
register char *d = dst, *s = (char *) src;
register int n = cnt; /* convert to _signed_ type */
while (*d) d++; /* advance to end */
while (--n >= 0)
if (!(*d++ = *s++)) break;
if (n < 0) *d = '\0';
return dst;
}
#endif /* VMS */