diff options
Diffstat (limited to 'usr.bin/size/size.c')
| -rw-r--r-- | usr.bin/size/size.c | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/usr.bin/size/size.c b/usr.bin/size/size.c new file mode 100644 index 0000000..674c3c8 --- /dev/null +++ b/usr.bin/size/size.c @@ -0,0 +1,149 @@ +/* + * Copyright (c) 1988, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifndef lint +static char copyright[] = +"@(#) Copyright (c) 1988, 1993\n\ + The Regents of the University of California. All rights reserved.\n"; +#endif /* not lint */ + +#ifndef lint +static char sccsid[] = "@(#)size.c 8.2 (Berkeley) 12/9/93"; +#endif /* not lint */ + +#include <sys/param.h> +#include <sys/file.h> +#include <errno.h> +#include <a.out.h> +#include <unistd.h> +#include <stdlib.h> +#include <stdio.h> +#include <string.h> + +void err __P((const char *, ...)); +int show __P((int, char *)); +void usage __P((void)); + +int +main(argc, argv) + int argc; + char *argv[]; +{ + int ch, eval; + + while ((ch = getopt(argc, argv, "")) != EOF) + switch(ch) { + case '?': + default: + usage(); + } + argc -= optind; + argv += optind; + + eval = 0; + if (*argv) + do { + eval |= show(argc, *argv); + } while (*++argv); + else + eval |= show(1, "a.out"); + exit(eval); +} + +int +show(count, name) + int count; + char *name; +{ + static int first = 1; + struct exec head; + u_long total; + int fd; + + if ((fd = open(name, O_RDONLY, 0)) < 0) { + err("%s: %s", name, strerror(errno)); + return (1); + } + if (read(fd, &head, sizeof(head)) != sizeof(head) || N_BADMAG(head)) { + (void)close(fd); + err("%s: not in a.out format", name); + return (1); + } + (void)close(fd); + + if (first) { + first = 0; + (void)printf("text\tdata\tbss\tdec\thex\n"); + } + total = head.a_text + head.a_data + head.a_bss; + (void)printf("%lu\t%lu\t%lu\t%lu\t%lx", head.a_text, head.a_data, + head.a_bss, total, total); + if (count > 1) + (void)printf("\t%s", name); + (void)printf("\n"); + return (0); +} + +void +usage() +{ + (void)fprintf(stderr, "usage: size [file ...]\n"); + exit(1); +} + +#if __STDC__ +#include <stdarg.h> +#else +#include <varargs.h> +#endif + +void +#if __STDC__ +err(const char *fmt, ...) +#else +err(fmt, va_alist) + char *fmt; + va_dcl +#endif +{ + va_list ap; +#if __STDC__ + va_start(ap, fmt); +#else + va_start(ap); +#endif + (void)fprintf(stderr, "size: "); + (void)vfprintf(stderr, fmt, ap); + va_end(ap); + (void)fprintf(stderr, "\n"); +} |
