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Mark global functions and/or variables in xstr(1) static where possible.

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This allows compilers and static analyzers to more thorough analysis.
This commit is contained in:
Ed Schouten 2011-11-06 18:50:39 +00:00
parent e5ec905575
commit 641835f465
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=227247
1 changed files with 37 additions and 37 deletions
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74
usr.bin/xstr/xstr.c
View file

@ -62,35 +62,35 @@ static const char sccsid[] = "@(#)xstr.c 8.1 (Berkeley) 6/9/93";
#define ignore(a) ((void) a)
off_t tellpt;
static off_t tellpt;
off_t mesgpt;
char cstrings[] = "strings";
char *strings = cstrings;
static off_t mesgpt;
static char cstrings[] = "strings";
static char *strings = cstrings;
int cflg;
int vflg;
int readstd;
static int cflg;
static int vflg;
static int readstd;
char lastchr(char *);
static char lastchr(char *);
int fgetNUL(char *, int, FILE *);
int istail(char *, char *);
int octdigit(char);
int xgetc(FILE *);
static int fgetNUL(char *, int, FILE *);
static int istail(char *, char *);
static int octdigit(char);
static int xgetc(FILE *);
off_t hashit(char *, int);
off_t yankstr(char **);
static off_t hashit(char *, int);
static off_t yankstr(char **);
static void usage(void);
void flushsh(void);
void found(int, off_t, char *);
void inithash(void);
void onintr(int);
void process(const char *);
void prstr(char *);
void xsdotc(void);
static void flushsh(void);
static void found(int, off_t, char *);
static void inithash(void);
static void onintr(int);
static void process(const char *);
static void prstr(char *);
static void xsdotc(void);
int
main(int argc, char *argv[])
@ -155,9 +155,9 @@ usage(void)
exit (1);
}
char linebuf[BUFSIZ];
static char linebuf[BUFSIZ];
void
static void
process(const char *name)
{
char *cp;
@ -225,7 +225,7 @@ process(const char *name)
warn("x.c"), onintr(0);
}
off_t
static off_t
yankstr(char **cpp)
{
char *cp = *cpp;
@ -285,13 +285,13 @@ yankstr(char **cpp)
return (hashit(dbuf, 1));
}
int
static int
octdigit(char c)
{
return (isdigit(c) && c != '8' && c != '9');
}
void
static void
inithash(void)
{
char buf[BUFSIZ];
@ -308,7 +308,7 @@ inithash(void)
ignore(fclose(mesgread));
}
int
static int
fgetNUL(char *obuf, int rmdr, FILE *file)
{
int c;
@ -320,7 +320,7 @@ fgetNUL(char *obuf, int rmdr, FILE *file)
return ((feof(file) || ferror(file)) ? 0 : 1);
}
int
static int
xgetc(FILE *file)
{
@ -330,14 +330,14 @@ xgetc(FILE *file)
#define BUCKETS 128
struct hash {
static struct hash {
off_t hpt;
char *hstr;
struct hash *hnext;
short hnew;
} bucket[BUCKETS];
off_t
static off_t
hashit(char *str, int new)
{
int i;
@ -362,7 +362,7 @@ hashit(char *str, int new)
return (hp->hpt);
}
void
static void
flushsh(void)
{
int i;
@ -395,7 +395,7 @@ flushsh(void)
err(4, "%s", strings);
}
void
static void
found(int new, off_t off, char *str)
{
if (vflg == 0)
@ -408,7 +408,7 @@ found(int new, off_t off, char *str)
fprintf(stderr, "\n");
}
void
static void
prstr(char *cp)
{
int c;
@ -424,7 +424,7 @@ prstr(char *cp)
fprintf(stderr, "%c", c);
}
void
static void
xsdotc(void)
{
FILE *strf = fopen(strings, "r");
@ -459,7 +459,7 @@ xsdotc(void)
ignore(fclose(strf));
}
char
static char
lastchr(char *cp)
{
@ -468,7 +468,7 @@ lastchr(char *cp)
return (*cp);
}
int
static int
istail(char *str, char *of)
{
int d = strlen(of) - strlen(str);
@ -478,7 +478,7 @@ istail(char *str, char *of)
return (d);
}
void
static void
onintr(int dummy __unused)
{