Fix some easy warnings; ANSIfy, constify.
Fix VCS inclusion and deregister.
This commit is contained in:
markm
parent
6e62811ca3
commit
aa3fa5ac74
103
usr.bin/nm/nm.c
103
usr.bin/nm/nm.c
@ -44,11 +44,15 @@ static const char copyright[] =
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#if 0
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static char sccsid[] = "@(#)nm.c 8.1 (Berkeley) 6/6/93";
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#endif
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static const char rcsid[] =
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"$FreeBSD$";
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#endif /* not lint */
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/types.h>
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#include <arpa/inet.h>
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#include <a.out.h>
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#include <ar.h>
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#include <ctype.h>
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@ -70,8 +74,7 @@ int print_weak_symbols;
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int fcount;
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int rev, table;
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int fname(), rname(), value();
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int (*sfunc)() = fname;
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const char *typestring(u_char);
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/* some macros for symbol type (nlist.n_type) handling */
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#define IS_DEBUGGER_SYMBOL(x) ((x) & N_STAB)
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@ -79,12 +82,17 @@ int (*sfunc)() = fname;
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#define SYMBOL_TYPE(x) ((x) & (N_TYPE | N_STAB))
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#define SYMBOL_BIND(x) (((x) >> 4) & 0xf)
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static void usage( void );
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int process_file( char * );
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int show_archive( char *, FILE * );
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int show_objfile( char *, FILE * );
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void print_symbol( char *, struct nlist * );
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static void usage(void);
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int process_file(const char *);
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int show_archive(const char *, FILE *);
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int show_objfile(const char *, FILE *);
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void print_symbol(const char *, struct nlist *);
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char typeletter(u_char);
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int fname(const void *, const void *);
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int rname(const void *, const void *);
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int value(const void *, const void *);
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int (*sfunc)(const void *, const void *) = fname;
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/*
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* main()
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@ -92,9 +100,7 @@ char typeletter(u_char);
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* specified on the command line.
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*/
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int
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main(argc, argv)
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int argc;
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char **argv;
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main(int argc, char *argv[])
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{
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int ch, errors;
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@ -158,28 +164,27 @@ main(argc, argv)
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* object files as input.
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*/
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int
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process_file(fname)
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char *fname;
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process_file(const char *fn)
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{
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struct exec exec_head;
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FILE *fp;
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int retval;
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char magic[SARMAG];
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if (!(fp = fopen(fname, "r"))) {
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warnx("cannot read %s", fname);
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if (!(fp = fopen(fn, "r"))) {
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warnx("cannot read %s", fn);
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return(1);
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}
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if (fcount > 1 && !table)
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(void)printf("\n%s:\n", fname);
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(void)printf("\n%s:\n", fn);
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/*
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* first check whether this is an object file - read a object
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* header, and skip back to the beginning
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*/
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if (fread((char *)&exec_head, sizeof(exec_head), (size_t)1, fp) != 1) {
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warnx("%s: bad format", fname);
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warnx("%s: bad format", fn);
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(void)fclose(fp);
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return(1);
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}
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@ -189,13 +194,13 @@ process_file(fname)
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if (N_BADMAG(exec_head)) {
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if (fread(magic, sizeof(magic), (size_t)1, fp) != 1 ||
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strncmp(magic, ARMAG, SARMAG)) {
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warnx("%s: not object file or archive", fname);
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warnx("%s: not object file or archive", fn);
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(void)fclose(fp);
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return(1);
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}
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retval = show_archive(fname, fp);
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retval = show_archive(fn, fp);
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} else
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retval = show_objfile(fname, fp);
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retval = show_objfile(fn, fp);
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(void)fclose(fp);
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return(retval);
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}
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@ -203,7 +208,8 @@ process_file(fname)
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/* scat: concatenate strings, returning new concatenation point
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* and permitting overlap.
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*/
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static char *scat(char *dest, char *src)
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static char
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*scat(char *dest, const char *src)
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{
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char *end;
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int l1 = strlen(dest), l2 = strlen(src);
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@ -220,16 +226,14 @@ static char *scat(char *dest, char *src)
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* show symbols in the given archive file
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*/
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int
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show_archive(fname, fp)
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char *fname;
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FILE *fp;
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show_archive(const char *fn, FILE *fp)
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{
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struct ar_hdr ar_head;
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struct exec exec_head;
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int i, rval;
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long last_ar_off;
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char *p, *name, *ar_name;
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int extra = strlen(fname) + 3;
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int extra = strlen(fn) + 3;
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if ((name = malloc(MAXNAMLEN + extra)) == NULL)
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err(1, NULL);
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@ -241,7 +245,7 @@ show_archive(fname, fp)
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while (fread((char *)&ar_head, sizeof(ar_head), (size_t)1, fp) == 1) {
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/* bad archive entry - stop processing this archive */
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if (strncmp(ar_head.ar_fmag, ARFMAG, sizeof(ar_head.ar_fmag))) {
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warnx("%s: bad format archive header", fname);
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warnx("%s: bad format archive header", fn);
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(void)free(name);
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return(1);
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}
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@ -276,7 +280,7 @@ show_archive(fname, fp)
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else
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{
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p = ar_head.ar_name;
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for (i = 0; i < sizeof(ar_head.ar_name) && p[i] && p[i] != ' '; i++)
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for (i = 0; i < (int)sizeof(ar_head.ar_name) && p[i] && p[i] != ' '; i++)
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ar_name[i] = p[i];
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ar_name[i] = 0;
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}
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@ -290,7 +294,7 @@ show_archive(fname, fp)
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*p = 0;
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if (print_file_each_line && !table)
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{
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p = scat(p, fname);
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p = scat(p, fn);
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p = scat(p, ":");
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}
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p = scat(p, ar_name);
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@ -322,7 +326,7 @@ show_archive(fname, fp)
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#define even(x) (((x) + 1) & ~1)
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skip: if (fseek(fp, last_ar_off + even(atol(ar_head.ar_size)),
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SEEK_SET)) {
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warn("%s", fname);
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warn("%s", fn);
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(void)free(name);
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return(1);
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}
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@ -338,12 +342,10 @@ skip: if (fseek(fp, last_ar_off + even(atol(ar_head.ar_size)),
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* header.
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*/
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int
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show_objfile(objname, fp)
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char *objname;
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FILE *fp;
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show_objfile(const char *objname, FILE *fp)
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{
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register struct nlist *names, *np;
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register int i, nnames, nrawnames;
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struct nlist *names, *np;
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int i, nnames, nrawnames;
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struct exec head;
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int32_t stabsize;
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char *stab;
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@ -444,7 +446,7 @@ show_objfile(objname, fp)
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if (np->n_un.n_strx)
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np->n_un.n_name = stab + np->n_un.n_strx;
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else
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np->n_un.n_name = "";
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np->n_un.n_name = strdup("");
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names[nnames++] = *np;
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}
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@ -466,12 +468,8 @@ show_objfile(objname, fp)
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* show one symbol
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*/
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void
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print_symbol(objname, sym)
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char *objname;
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register struct nlist *sym;
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print_symbol(const char *objname, struct nlist *sym)
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{
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char *typestring();
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if (table) {
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printf("%s|", objname);
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if (SYMBOL_TYPE(sym->n_type) != N_UNDF)
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@ -533,9 +531,8 @@ print_symbol(objname, sym)
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* typestring()
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* return the a description string for an STAB entry
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*/
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char *
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typestring(type)
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register u_char type;
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const char *
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typestring(u_char type)
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{
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switch(type) {
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case N_BCOMM:
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@ -589,8 +586,7 @@ typestring(type)
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* external, lower case for internal symbols.
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*/
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char
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typeletter(type)
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u_char type;
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typeletter(u_char type)
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{
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switch(SYMBOL_TYPE(type)) {
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case N_ABS:
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@ -615,28 +611,25 @@ typeletter(type)
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}
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int
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fname(a0, b0)
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void *a0, *b0;
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fname(const void *a0, const void *b0)
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{
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struct nlist *a = a0, *b = b0;
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const struct nlist *a = a0, *b = b0;
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return(strcmp(a->n_un.n_name, b->n_un.n_name));
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}
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int
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rname(a0, b0)
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void *a0, *b0;
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rname(const void *a0, const void *b0)
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{
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struct nlist *a = a0, *b = b0;
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const struct nlist *a = a0, *b = b0;
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return(strcmp(b->n_un.n_name, a->n_un.n_name));
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}
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int
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value(a0, b0)
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void *a0, *b0;
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value(const void *a0, const void *b0)
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{
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register struct nlist *a = a0, *b = b0;
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const struct nlist *a = a0, *b = b0;
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if (SYMBOL_TYPE(a->n_type) == N_UNDF)
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if (SYMBOL_TYPE(b->n_type) == N_UNDF)
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