From 50646b91e6b93cdf92d7cc88ad522c70232fa6dc Mon Sep 17 00:00:00 2001 From: ed Date: Sun, 6 Nov 2011 18:50:39 +0000 Subject: Mark global functions and/or variables in xstr(1) static where possible. This allows compilers and static analyzers to more thorough analysis. --- usr.bin/xstr/xstr.c | 74 ++++++++++++++++++++++++++--------------------------- 1 file changed, 37 insertions(+), 37 deletions(-) (limited to 'usr.bin/xstr/xstr.c') diff --git a/usr.bin/xstr/xstr.c b/usr.bin/xstr/xstr.c index 1636b79..670e09e 100644 --- a/usr.bin/xstr/xstr.c +++ b/usr.bin/xstr/xstr.c @@ -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 @@ out: warn("x.c"), onintr(0); } -off_t +static off_t yankstr(char **cpp) { char *cp = *cpp; @@ -285,13 +285,13 @@ out: 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 @@ out: 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) { -- cgit v1.1