From 0e6ab01c5a525fc0e298d44f4573a4f8972406f2 Mon Sep 17 00:00:00 2001 From: Bernhard Reutner-Fischer Date: Wed, 4 Apr 2007 13:58:33 +0000 Subject: - remove superfluous bss user (flags) and manually unswitch some areas: text data bss dec hex filename 4517 0 34 4551 11c7 stat.o.oorig 4300 0 30 4330 10ea stat.o --- coreutils/stat.c | 230 ++++++++++++++++++++++--------------------------------- 1 file changed, 92 insertions(+), 138 deletions(-) (limited to 'coreutils') diff --git a/coreutils/stat.c b/coreutils/stat.c index a2cdbfb29..397e395d8 100644 --- a/coreutils/stat.c +++ b/coreutils/stat.c @@ -16,12 +16,14 @@ #include "busybox.h" /* vars to control behavior */ -#define OPT_TERSE 2 -#define OPT_DEREFERENCE 4 -#define OPT_SELINUX 8 -static long flags; +#define OPT_FILESYS (1<<0) +#define OPT_TERSE (1<<1) +#define OPT_DEREFERENCE (1<<2) +#define OPT_SELINUX (1<<3) -static char const *file_type(struct stat const *st) +static char buf[sizeof("YYYY-MM-DD HH:MM:SS.000000000")]; + +static char const * file_type(struct stat const *st) { /* See POSIX 1003.1-2001 XCU Table 4-8 lines 17093-17107 * for some of these formats. @@ -53,7 +55,7 @@ static char const *human_time(time_t t) return str; */ /* coreutils 6.3 compat: */ - static char buf[sizeof("YYYY-MM-DD HH:MM:SS.000000000")]; + strftime(buf, sizeof(buf), "%Y-%m-%d %H:%M:%S.000000000", localtime(&t)); return buf; } @@ -66,9 +68,9 @@ static char const *human_time(time_t t) static char const *human_fstype(long f_type) { int i; - static const struct types { + const struct types { long type; - const char *fs; + const char * const fs; } humantypes[] = { { 0xADFF, "affs" }, { 0x1Cd1, "devpts" }, @@ -115,76 +117,58 @@ static char const *human_fstype(long f_type) #ifdef CONFIG_FEATURE_STAT_FORMAT /* print statfs info */ -static void print_statfs(char *pformat, size_t buf_len, char m, - char const *filename, void const *data - USE_SELINUX(,security_context_t scontext) ) +static void print_statfs(char *pformat, const size_t buf_len, const char m, + const char * const filename, void const *data + USE_SELINUX(, security_context_t scontext)) { struct statfs const *statfsbuf = data; - - switch (m) { - case 'n': + if (m == 'n') { strncat(pformat, "s", buf_len); printf(pformat, filename); - break; - case 'i': + } else if (m == 'i') { strncat(pformat, "Lx", buf_len); printf(pformat, statfsbuf->f_fsid); - break; - case 'l': + } else if (m == 'l') { strncat(pformat, "lu", buf_len); printf(pformat, statfsbuf->f_namelen); - break; - case 't': + } else if (m == 't') { strncat(pformat, "lx", buf_len); - printf(pformat, (unsigned long int) (statfsbuf->f_type)); /* no equiv. */ - break; - case 'T': + printf(pformat, (unsigned long int) (statfsbuf->f_type)); /* no equiv */ + } else if (m == 'T') { strncat(pformat, "s", buf_len); printf(pformat, human_fstype(statfsbuf->f_type)); - break; - case 'b': + } else if (m == 'b') { strncat(pformat, "jd", buf_len); printf(pformat, (intmax_t) (statfsbuf->f_blocks)); - break; - case 'f': + } else if (m == 'f') { strncat(pformat, "jd", buf_len); printf(pformat, (intmax_t) (statfsbuf->f_bfree)); - break; - case 'a': + } else if (m == 'a') { strncat(pformat, "jd", buf_len); printf(pformat, (intmax_t) (statfsbuf->f_bavail)); - break; - case 'S': - case 's': + } else if (m == 's' || m == 'S') { strncat(pformat, "lu", buf_len); printf(pformat, (unsigned long int) (statfsbuf->f_bsize)); - break; - case 'c': + } else if (m == 'c') { strncat(pformat, "jd", buf_len); printf(pformat, (intmax_t) (statfsbuf->f_files)); - break; - case 'd': + } else if (m == 'd') { strncat(pformat, "jd", buf_len); printf(pformat, (intmax_t) (statfsbuf->f_ffree)); - break; #if ENABLE_SELINUX - case 'C': - if (flags & OPT_SELINUX) { - strncat(pformat, "s", buf_len); - printf(scontext); - } - break; + } else if (m == 'C' && (option_mask32 & OPT_SELINUX)) { + strncat(pformat, "s", buf_len); + printf(scontext); #endif - default: + } else { strncat(pformat, "c", buf_len); printf(pformat, m); - break; } } /* print stat info */ -static void print_stat(char *pformat, size_t buf_len, char m, - char const *filename, void const *data +static void print_stat(char *pformat, const size_t buf_len, const char m, + const char * const filename, void const *data USE_SELINUX(, security_context_t scontext)) { #define TYPE_SIGNED(t) (! ((t) 0 < (t) -1)) @@ -192,12 +176,10 @@ static void print_stat(char *pformat, size_t buf_len, char m, struct passwd *pw_ent; struct group *gw_ent; - switch (m) { - case 'n': + if (m == 'n') { strncat(pformat, "s", buf_len); printf(pformat, filename); - break; - case 'N': + } else if (m == 'N') { strncat(pformat, "s", buf_len); if (S_ISLNK(statbuf->st_mode)) { char *linkname = xmalloc_readlink_or_warn(filename); @@ -212,119 +194,90 @@ static void print_stat(char *pformat, size_t buf_len, char m, } else { printf(pformat, filename); } - break; - case 'd': + } else if (m == 'd') { strncat(pformat, "ju", buf_len); printf(pformat, (uintmax_t) statbuf->st_dev); - break; - case 'D': + } else if (m == 'D') { strncat(pformat, "jx", buf_len); printf(pformat, (uintmax_t) statbuf->st_dev); - break; - case 'i': + } else if (m == 'i') { strncat(pformat, "ju", buf_len); printf(pformat, (uintmax_t) statbuf->st_ino); - break; - case 'a': + } else if (m == 'a') { strncat(pformat, "lo", buf_len); printf(pformat, (unsigned long int) (statbuf->st_mode & (S_ISUID|S_ISGID|S_ISVTX|S_IRWXU|S_IRWXG|S_IRWXO))); - break; - case 'A': + } else if (m == 'A') { strncat(pformat, "s", buf_len); printf(pformat, bb_mode_string(statbuf->st_mode)); - break; - case 'f': + } else if (m == 'f') { strncat(pformat, "lx", buf_len); printf(pformat, (unsigned long int) statbuf->st_mode); - break; - case 'F': + } else if (m == 'F') { strncat(pformat, "s", buf_len); printf(pformat, file_type(statbuf)); - break; - case 'h': + } else if (m == 'h') { strncat(pformat, "lu", buf_len); printf(pformat, (unsigned long int) statbuf->st_nlink); - break; - case 'u': + } else if (m == 'u') { strncat(pformat, "lu", buf_len); printf(pformat, (unsigned long int) statbuf->st_uid); - break; - case 'U': + } else if (m == 'U') { strncat(pformat, "s", buf_len); setpwent(); pw_ent = getpwuid(statbuf->st_uid); printf(pformat, (pw_ent != 0L) ? pw_ent->pw_name : "UNKNOWN"); - break; - case 'g': + } else if (m == 'g') { strncat(pformat, "lu", buf_len); printf(pformat, (unsigned long int) statbuf->st_gid); - break; - case 'G': + } else if (m == 'G') { strncat(pformat, "s", buf_len); setgrent(); gw_ent = getgrgid(statbuf->st_gid); printf(pformat, (gw_ent != 0L) ? gw_ent->gr_name : "UNKNOWN"); - break; - case 't': + } else if (m == 't') { strncat(pformat, "lx", buf_len); printf(pformat, (unsigned long int) major(statbuf->st_rdev)); - break; - case 'T': + } else if (m == 'T') { strncat(pformat, "lx", buf_len); printf(pformat, (unsigned long int) minor(statbuf->st_rdev)); - break; - case 's': + } else if (m == 's') { strncat(pformat, "ju", buf_len); printf(pformat, (uintmax_t) (statbuf->st_size)); - break; - case 'B': + } else if (m == 'B') { strncat(pformat, "lu", buf_len); printf(pformat, (unsigned long int) 512); //ST_NBLOCKSIZE - break; - case 'b': + } else if (m == 'b') { strncat(pformat, "ju", buf_len); printf(pformat, (uintmax_t) statbuf->st_blocks); - break; - case 'o': + } else if (m == 'o') { strncat(pformat, "lu", buf_len); printf(pformat, (unsigned long int) statbuf->st_blksize); - break; - case 'x': + } else if (m == 'x') { strncat(pformat, "s", buf_len); printf(pformat, human_time(statbuf->st_atime)); - break; - case 'X': + } else if (m == 'X') { strncat(pformat, TYPE_SIGNED(time_t) ? "ld" : "lu", buf_len); printf(pformat, (unsigned long int) statbuf->st_atime); - break; - case 'y': + } else if (m == 'y') { strncat(pformat, "s", buf_len); printf(pformat, human_time(statbuf->st_mtime)); - break; - case 'Y': + } else if (m == 'Y') { strncat(pformat, TYPE_SIGNED(time_t) ? "ld" : "lu", buf_len); printf(pformat, (unsigned long int) statbuf->st_mtime); - break; - case 'z': + } else if (m == 'z') { strncat(pformat, "s", buf_len); printf(pformat, human_time(statbuf->st_ctime)); - break; - case 'Z': + } else if (m == 'Z') { strncat(pformat, TYPE_SIGNED(time_t) ? "ld" : "lu", buf_len); printf(pformat, (unsigned long int) statbuf->st_ctime); - break; #if ENABLE_SELINUX - case 'C': - if (flags & OPT_SELINUX) { - strncat(pformat, "s", buf_len); - printf(pformat, scontext); - } - break; + } else if (m == 'C' && (option_mask32 & OPT_SELINUX)) { + strncat(pformat, "s", buf_len); + printf(pformat, scontext); #endif - default: + } else { strncat(pformat, "c", buf_len); printf(pformat, m); - break; } } @@ -382,14 +335,14 @@ static void print_it(char const *masterformat, char const *filename, #endif /* Stat the file system and print what we find. */ -static int do_statfs(char const *filename, char const *format) +static bool do_statfs(char const *filename, char const *format) { struct statfs statfsbuf; - #if ENABLE_SELINUX security_context_t scontext = NULL; - if (flags & OPT_SELINUX) { - if ((flags & OPT_DEREFERENCE ? lgetfilecon(filename, scontext): + + if (option_mask32 & OPT_SELINUX) { + if ((option_mask32 & OPT_DEREFERENCE ? lgetfilecon(filename, scontext): getfilecon(filename, scontext))< 0) { bb_perror_msg(filename); return 0; @@ -404,7 +357,7 @@ static int do_statfs(char const *filename, char const *format) #ifdef CONFIG_FEATURE_STAT_FORMAT if (format == NULL) #ifndef ENABLE_SELINUX - format = (flags & OPT_TERSE + format = (option_mask32 & OPT_TERSE ? "%n %i %l %t %s %b %f %a %c %d\n" : " File: \"%n\"\n" " ID: %-8i Namelen: %-7l Type: %T\n" @@ -413,10 +366,10 @@ static int do_statfs(char const *filename, char const *format) "Inodes: Total: %-10c Free: %d"); print_it(format, filename, print_statfs, &statfsbuf USE_SELINUX(, scontext)); #else - format = (flags & OPT_TERSE - ? (flags & OPT_SELINUX ? "%n %i %l %t %s %b %f %a %c %d %C\n": + format = (option_mask32 & OPT_TERSE + ? (option_mask32 & OPT_SELINUX ? "%n %i %l %t %s %b %f %a %c %d %C\n": "%n %i %l %t %s %b %f %a %c %d\n") - : (flags & OPT_SELINUX ? + : (option_mask32 & OPT_SELINUX ? " File: \"%n\"\n" " ID: %-8i Namelen: %-7l Type: %T\n" "Block size: %-10s\n" @@ -432,7 +385,7 @@ static int do_statfs(char const *filename, char const *format) print_it(format, filename, print_statfs, &statfsbuf USE_SELINUX(, scontext)); #endif /* SELINUX */ #else /* FEATURE_STAT_FORMAT */ - format = (flags & OPT_TERSE + format = (option_mask32 & OPT_TERSE ? "%s %llx %lu " : " File: \"%s\"\n" " ID: %-8Lx Namelen: %-7lu "); @@ -441,13 +394,13 @@ static int do_statfs(char const *filename, char const *format) statfsbuf.f_fsid, statfsbuf.f_namelen); - if (flags & OPT_TERSE) + if (option_mask32 & OPT_TERSE) printf("%lx ", (unsigned long int) (statfsbuf.f_type)); else printf("Type: %s\n", human_fstype(statfsbuf.f_type)); #if !ENABLE_SELINUX - format = (flags & OPT_TERSE + format = (option_mask32 & OPT_TERSE ? "%lu %ld %ld %ld %ld %ld\n" : "Block size: %-10lu\n" "Blocks: Total: %-10jd Free: %-10jd Available: %jd\n" @@ -460,10 +413,10 @@ static int do_statfs(char const *filename, char const *format) (intmax_t) (statfsbuf.f_files), (intmax_t) (statfsbuf.f_ffree)); #else - format = (flags & OPT_TERSE - ? (flags & OPT_SELINUX ? "%lu %ld %ld %ld %ld %ld %C\n": + format = (option_mask32 & OPT_TERSE + ? (option_mask32 & OPT_SELINUX ? "%lu %ld %ld %ld %ld %ld %C\n": "%lu %ld %ld %ld %ld %ld\n") - : (flags & OPT_SELINUX ? + : (option_mask32 & OPT_SELINUX ? "Block size: %-10lu\n" "Blocks: Total: %-10jd Free: %-10jd Available: %jd\n" "Inodes: Total: %-10jd Free: %jd" @@ -488,20 +441,21 @@ static int do_statfs(char const *filename, char const *format) } /* stat the file and print what we find */ -static int do_stat(char const *filename, char const *format) +static bool do_stat(char const *filename, char const *format) { struct stat statbuf; #if ENABLE_SELINUX security_context_t scontext = NULL; - if (flags & OPT_SELINUX) { - if ((flags & OPT_DEREFERENCE ? lgetfilecon(filename, scontext): + + if (option_mask32 & OPT_SELINUX) { + if ((option_mask32 & OPT_DEREFERENCE ? lgetfilecon(filename, scontext): getfilecon(filename, scontext))< 0) { bb_perror_msg (filename); return 0; } } #endif - if ((flags & OPT_DEREFERENCE ? stat : lstat) (filename, &statbuf) != 0) { + if ((option_mask32 & OPT_DEREFERENCE ? stat : lstat) (filename, &statbuf) != 0) { bb_perror_msg("cannot stat '%s'", filename); return 0; } @@ -509,7 +463,7 @@ static int do_stat(char const *filename, char const *format) #ifdef CONFIG_FEATURE_STAT_FORMAT if (format == NULL) { #ifndef ENABLE_SELINUX - if (flags & OPT_TERSE) { + if (option_mask32 & OPT_TERSE) { format = "%n %s %b %f %u %g %D %i %h %t %T %X %Y %Z %o"; } else { if (S_ISBLK(statbuf.st_mode) || S_ISCHR(statbuf.st_mode)) { @@ -530,13 +484,13 @@ static int do_stat(char const *filename, char const *format) } } #else - if (flags & OPT_TERSE) { - format = (flags & OPT_SELINUX ? + if (option_mask32 & OPT_TERSE) { + format = (option_mask32 & OPT_SELINUX ? "%n %s %b %f %u %g %D %i %h %t %T %X %Y %Z %o %C\n": "%n %s %b %f %u %g %D %i %h %t %T %X %Y %Z %o\n"); } else { if (S_ISBLK(statbuf.st_mode) || S_ISCHR(statbuf.st_mode)) { - format = (flags & OPT_SELINUX ? + format = (option_mask32 & OPT_SELINUX ? " File: \"%N\"\n" " Size: %-10s\tBlocks: %-10b IO Block: %-6o %F\n" "Device: %Dh/%dd\tInode: %-10i Links: %-5h" @@ -551,7 +505,7 @@ static int do_stat(char const *filename, char const *format) "Access: (%04a/%10.10A) Uid: (%5u/%8U) Gid: (%5g/%8G)\n" "Access: %x\n" "Modify: %y\n" "Change: %z\n"); } else { - format = (flags & OPT_SELINUX ? + format = (option_mask32 & OPT_SELINUX ? " File: \"%N\"\n" " Size: %-10s\tBlocks: %-10b IO Block: %-6o %F\n" "Device: %Dh/%dd\tInode: %-10i Links: %h\n" @@ -569,7 +523,7 @@ static int do_stat(char const *filename, char const *format) } print_it(format, filename, print_stat, &statbuf USE_SELINUX(, scontext)); #else /* FEATURE_STAT_FORMAT */ - if (flags & OPT_TERSE) { + if (option_mask32 & OPT_TERSE) { printf("%s %ju %ju %lx %lu %lu %jx %ju %lu %lx %lx %lu %lu %lu %lu" SKIP_SELINUX("\n"), filename, @@ -589,7 +543,7 @@ static int do_stat(char const *filename, char const *format) (unsigned long int) statbuf.st_blksize ); #if ENABLE_SELINUX - if (flags & OPT_SELINUX) + if (option_mask32 & OPT_SELINUX) printf(" %lc\n", *scontext); else putchar('\n'); @@ -649,23 +603,23 @@ static int do_stat(char const *filename, char const *format) int stat_main(int argc, char **argv); int stat_main(int argc, char **argv) { - int i; char *format = NULL; + int i; int ok = 1; - int (*statfunc)(char const *, char const *) = do_stat; + bool (*statfunc)(char const *, char const *) = do_stat; - flags = getopt32(argc, argv, "ftL" + getopt32(argc, argv, "ftL" USE_SELINUX("Z") USE_FEATURE_STAT_FORMAT("c:", &format) ); - if (flags & 1) /* -f */ + if (option_mask32 & OPT_FILESYS) /* -f */ statfunc = do_statfs; if (argc == optind) /* files */ bb_show_usage(); #if ENABLE_SELINUX - if (flags & OPT_SELINUX) { + if (option_mask32 & OPT_SELINUX) { selinux_or_die(); } #endif /* ENABLE_SELINUX */ -- cgit v1.2.3