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authorDenys Vlasenko <vda.linux@googlemail.com>2011-02-12 15:35:24 (GMT)
committer Denys Vlasenko <vda.linux@googlemail.com>2011-02-12 15:35:24 (GMT)
commitcef85c2442886eabfc0d023af86843ba90fbe081 (patch)
treec99f7c787f3fbb36cc92f54daefd77d7176f3a10
parent0b8a7723c7351533826283c07b37cf2daa77ecf8 (diff)
downloadbusybox-cef85c2442886eabfc0d023af86843ba90fbe081.tar.gz
busybox-cef85c2442886eabfc0d023af86843ba90fbe081.tar.bz2
find: significantly improve hext text. +116 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
-rw-r--r--findutils/find.c105
1 files changed, 56 insertions, 49 deletions
diff --git a/findutils/find.c b/findutils/find.c
index f85381b..e8747f9 100644
--- a/findutils/find.c
+++ b/findutils/find.c
@@ -112,11 +112,11 @@
//config: This option allows find to restrict searches to a single filesystem.
//config:
//config:config FEATURE_FIND_MAXDEPTH
-//config: bool "Enable -maxdepth N"
+//config: bool "Enable -mindepth N and -maxdepth N"
//config: default y
//config: depends on FIND
//config: help
-//config: This option enables -maxdepth N option.
+//config: This option enables -mindepth N and -maxdepth N option.
//config:
//config:config FEATURE_FIND_NEWER
//config: bool "Enable -newer: compare file modification times"
@@ -124,7 +124,7 @@
//config: depends on FIND
//config: help
//config: Support the 'find -newer' option for finding any files which have
-//config: a modified time that is more recent than the specified FILE.
+//config: modification time that is more recent than the specified FILE.
//config:
//config:config FEATURE_FIND_INUM
//config: bool "Enable -inum: inode number matching"
@@ -684,7 +684,6 @@ static action*** parse_params(char **argv)
#endif
PARM_print ,
IF_FEATURE_FIND_PRINT0( PARM_print0 ,)
- IF_FEATURE_FIND_DEPTH( PARM_depth ,)
IF_FEATURE_FIND_PRUNE( PARM_prune ,)
IF_FEATURE_FIND_DELETE( PARM_delete ,)
IF_FEATURE_FIND_EXEC( PARM_exec ,)
@@ -718,7 +717,6 @@ static action*** parse_params(char **argv)
#endif
"-print\0"
IF_FEATURE_FIND_PRINT0( "-print0\0" )
- IF_FEATURE_FIND_DEPTH( "-depth\0" )
IF_FEATURE_FIND_PRUNE( "-prune\0" )
IF_FEATURE_FIND_DELETE( "-delete\0" )
IF_FEATURE_FIND_EXEC( "-exec\0" )
@@ -739,7 +737,7 @@ static action*** parse_params(char **argv)
IF_FEATURE_FIND_SIZE( "-size\0" )
IF_FEATURE_FIND_CONTEXT("-context\0")
IF_FEATURE_FIND_LINKS( "-links\0" )
- ;
+ ;
action*** appp;
unsigned cur_group = 0;
@@ -828,11 +826,6 @@ static action*** parse_params(char **argv)
(void) ALLOC_ACTION(print0);
}
#endif
-#if ENABLE_FEATURE_FIND_DEPTH
- else if (parm == PARM_depth) {
- G.recurse_flags |= ACTION_DEPTHFIRST;
- }
-#endif
#if ENABLE_FEATURE_FIND_PRUNE
else if (parm == PARM_prune) {
IF_FEATURE_FIND_NOT( invert_flag = 0; )
@@ -859,9 +852,9 @@ static action*** parse_params(char **argv)
if (!*argv) /* did not see ';' or '+' until end */
bb_error_msg_and_die(bb_msg_requires_arg, "-exec");
// find -exec echo Foo ">{}<" ";"
- // executes "echo Foo <filename>",
+ // executes "echo Foo >FILENAME<",
// find -exec echo Foo ">{}<" "+"
- // executes "echo Foo <filename1> <filename2> <filename3>...".
+ // executes "echo Foo FILENAME1 FILENAME2 FILENAME3...".
// TODO (so far we treat "+" just like ";")
if ((argv[0][0] == ';' || argv[0][0] == '+')
&& argv[0][1] == '\0'
@@ -1051,34 +1044,46 @@ static action*** parse_params(char **argv)
}
//usage:#define find_trivial_usage
-//usage: "[PATH]... [EXPRESSION]"
+//usage: "[OPTIONS] [PATH]... [ACTION]..."
//usage:#define find_full_usage "\n\n"
-//usage: "Search for files. The default PATH is the current directory,\n"
-//usage: "default EXPRESSION is '-print'\n"
-//usage: "\nEXPRESSION may consist of:"
+//usage: "Search for files and perform actions on them.\n"
+//usage: "First failed action stops processing of current file.\n"
+//usage: "Defaults: PATH is current directory, action is '-print'\n"
+//usage: "\nOptions:"
//usage: "\n -follow Follow symlinks"
//usage: IF_FEATURE_FIND_XDEV(
//usage: "\n -xdev Don't descend directories on other filesystems"
//usage: )
//usage: IF_FEATURE_FIND_MAXDEPTH(
//usage: "\n -maxdepth N Descend at most N levels. -maxdepth 0 applies"
-//usage: "\n tests/actions to command line arguments only"
-//usage: )
+//usage: "\n actions to command line arguments only"
//usage: "\n -mindepth N Don't act on first N levels"
-//usage: "\n -name PATTERN File name (w/o directory name) matches PATTERN"
+//usage: )
+//usage: IF_FEATURE_FIND_DEPTH(
+//usage: "\n -depth Act on directory *after* traversing it"
+//usage: )
+//usage: "\n"
+//usage: IF_FEATURE_FIND_PAREN(
+//usage: "\n ( ACTIONS ) Group actions for -o / -a"
+//usage: )
+//usage: "\n ACT1 [-a] ACT2 If ACT1 fails, stop, else do ACT2"
+//usage: "\n ACT1 -o ACT2 If ACT1 succeeds, stop, else do ACT2"
+//usage: "\n Note: -a has higher priority than -o"
+//usage: "\nActions:"
+//usage: "\n -name PATTERN Match file name (w/o directory name) to PATTERN"
//usage: "\n -iname PATTERN Case insensitive -name"
//usage: IF_FEATURE_FIND_PATH(
-//usage: "\n -path PATTERN Path matches PATTERN"
+//usage: "\n -path PATTERN Match path to PATTERN"
//usage: )
//usage: IF_FEATURE_FIND_REGEX(
-//usage: "\n -regex PATTERN Path matches regex PATTERN"
+//usage: "\n -regex PATTERN Match path to regex PATTERN"
//usage: )
//usage: IF_FEATURE_FIND_TYPE(
-//usage: "\n -type X File type is X (X is one of: f,d,l,b,c,...)"
+//usage: "\n -type X File type is X (one of: f,d,l,b,c,...)"
//usage: )
//usage: IF_FEATURE_FIND_PERM(
-//usage: "\n -perm NNN Permissions match any of (+NNN), all of (-NNN),"
-//usage: "\n or exactly NNN"
+//usage: "\n -perm MASK At least one mask bit (+MASK), all bits (-MASK),"
+//usage: "\n or exactly MASK bits are set in mode bits"
//usage: )
//usage: IF_FEATURE_FIND_MTIME(
//usage: "\n -mtime DAYS Modified time is greater than (+N), less than (-N),"
@@ -1100,9 +1105,6 @@ static action*** parse_params(char **argv)
//usage: IF_FEATURE_FIND_GROUP(
//usage: "\n -group NAME File belongs to group NAME (numeric group ID allowed)"
//usage: )
-//usage: IF_FEATURE_FIND_DEPTH(
-//usage: "\n -depth Process directory name after traversing it"
-//usage: )
//usage: IF_FEATURE_FIND_SIZE(
//usage: "\n -size N[bck] File size is N (c:bytes,k:kbytes,b:512 bytes(def.))"
//usage: "\n +/-N: file size is bigger/smaller than N"
@@ -1111,26 +1113,23 @@ static action*** parse_params(char **argv)
//usage: "\n -links N Number of links is greater than (+N), less than (-N),"
//usage: "\n or exactly N"
//usage: )
-//usage: "\n -print Print (default and assumed)"
-//usage: IF_FEATURE_FIND_PRINT0(
-//usage: "\n -print0 Delimit output with null characters rather than"
-//usage: "\n newlines"
-//usage: )
//usage: IF_FEATURE_FIND_CONTEXT(
-//usage: "\n -context File has specified security context"
+//usage: "\n -context CTX File has specified security context"
//usage: )
-//usage: IF_FEATURE_FIND_EXEC(
-//usage: "\n -exec CMD ARG ; Run CMD with all instances of {} replaced by the"
-//usage: "\n matching files"
+//usage: "\n If none of the following actions is specified, -print is assumed"
+//usage: "\n -print Print file name"
+//usage: IF_FEATURE_FIND_PRINT0(
+//usage: "\n -print0 Print file name, NUL terminated"
//usage: )
//usage: IF_FEATURE_FIND_PRUNE(
-//usage: "\n -prune Stop traversing current subtree"
+//usage: "\n -prune If current file is directory, don't descend into it"
//usage: )
-//usage: IF_FEATURE_FIND_DELETE(
-//usage: "\n -delete Delete files, turns on -depth option"
+//usage: IF_FEATURE_FIND_EXEC(
+//usage: "\n -exec CMD ARG ; Run CMD with all instances of {} replaced by"
+//usage: "\n file name. Fails if CMD exits with nonzero"
//usage: )
-//usage: IF_FEATURE_FIND_PAREN(
-//usage: "\n (EXPR) Group an expression"
+//usage: IF_FEATURE_FIND_DELETE(
+//usage: "\n -delete Delete current file/directory. Turns on -depth option"
//usage: )
//usage:
//usage:#define find_example_usage
@@ -1141,14 +1140,16 @@ int find_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int find_main(int argc UNUSED_PARAM, char **argv)
{
static const char options[] ALIGN1 =
- "-follow\0"
-IF_FEATURE_FIND_XDEV( "-xdev\0" )
+ "-follow\0"
+IF_FEATURE_FIND_XDEV( "-xdev\0" )
IF_FEATURE_FIND_MAXDEPTH("-mindepth\0""-maxdepth\0")
- ;
+IF_FEATURE_FIND_DEPTH( "-depth\0" )
+ ;
enum {
- OPT_FOLLOW,
+ OPT_FOLLOW,
IF_FEATURE_FIND_XDEV( OPT_XDEV ,)
IF_FEATURE_FIND_MAXDEPTH(OPT_MINDEPTH,)
+IF_FEATURE_FIND_DEPTH( OPT_DEPTH ,)
};
char *arg;
@@ -1181,12 +1182,12 @@ IF_FEATURE_FIND_MAXDEPTH(OPT_MINDEPTH,)
/* All options always return true. They always take effect
* rather than being processed only when their place in the
* expression is reached.
- * We implement: -follow, -xdev, -maxdepth
+ * We implement: -follow, -xdev, -mindepth, -maxdepth, -depth
*/
/* Process options, and replace then with -a */
/* (-a will be ignored by recursive parser later) */
argp = &argv[firstopt];
- while ((arg = argp[0])) {
+ while ((arg = argp[0]) != NULL) {
int opt = index_in_strings(options, arg);
if (opt == OPT_FOLLOW) {
G.recurse_flags |= ACTION_FOLLOWLINKS | ACTION_DANGLING_OK;
@@ -1216,8 +1217,14 @@ IF_FEATURE_FIND_MAXDEPTH(OPT_MINDEPTH,)
bb_show_usage();
minmaxdepth[opt - OPT_MINDEPTH] = xatoi_positive(argp[1]);
argp[0] = (char*)"-a";
- argp[1] = (char*)"-a";
argp++;
+ argp[0] = (char*)"-a";
+ }
+#endif
+#if ENABLE_FEATURE_FIND_DEPTH
+ if (opt == OPT_DEPTH) {
+ G.recurse_flags |= ACTION_DEPTHFIRST;
+ argp[0] = (char*)"-a";
}
#endif
argp++;