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More explicit use of "const", "extern", and "static", particularly to

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limit the scope of many local variables and functions.
This commit is contained in:
Jesse Thilo
2000-07-04 03:29:02 +00:00
parent 27821bff0f
commit 4a120d45e6
20 changed files with 345 additions and 298 deletions
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46
src/files.c
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@@ -65,40 +65,44 @@ FILE *fparser = NULL;
char *spec_outfile;
char *infile;
char *outfile;
char *defsfile;
char *tabfile;
char *attrsfile;
char *guardfile;
char *actfile;
char *tmpattrsfile;
char *tmptabfile;
char *tmpdefsfile;
static char *outfile;
static char *defsfile;
static char *tabfile;
static char *guardfile;
static char *actfile;
static char *tmpattrsfile;
static char *tmptabfile;
static char *tmpdefsfile;
extern int noparserflag;
extern char *mktemp(); /* So the compiler won't complain */
extern char *getenv();
char *stringappend PARAMS((char *, int, char *));
void openfiles PARAMS((void));
void open_extra_files PARAMS((void));
extern char *stringappend PARAMS((const char *, int, const char *));
extern void openfiles PARAMS((void));
extern void open_extra_files PARAMS((void));
int fixed_outfiles = 0;
extern char *program_name;
extern int verboseflag;
extern int definesflag;
int fixed_outfiles = 0;
char *
stringappend (char *string1, int end1, char *string2)
stringappend (const char *string1, int end1, const char *string2)
{
register char *ostring;
register char *cp, *cp1;
register char *cp;
register const char *cp1;
register int i;
cp = string2; i = 0;
while (*cp++) i++;
cp1 = string2;
i = 0;
while (*cp1++) i++;
ostring = NEW2(i+end1+1, char);
@@ -120,7 +124,7 @@ stringappend (char *string1, int end1, char *string2)
`-----------------------------------------------------------------*/
static FILE *
tryopen (char *name, char *mode)
tryopen (const char *name, const char *mode)
{
FILE *ptr;
@@ -164,9 +168,9 @@ openfiles (void)
int short_base_length;
#if defined (VMS) & !defined (__VMS_POSIX)
char *tmp_base = "sys$scratch:b_";
const char *tmp_base = "sys$scratch:b_";
#else
char *tmp_base = "/tmp/b.";
const char *tmp_base = "/tmp/b.";
#endif
int tmp_len;
@@ -240,7 +244,9 @@ openfiles (void)
/* -o was not specified; compute output file name from input
or use y.tab.c, etc., if -y was specified. */
name_base = fixed_outfiles ? "y.y" : infile;
static char FIXED_NAME_BASE[] = "y.y";
name_base = fixed_outfiles ? FIXED_NAME_BASE : infile;
/* BASE_LENGTH gets length of NAME_BASE, sans ".y" suffix if any. */