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authorDenis Vlasenko2007-01-26 23:00:05 +0000
committerDenis Vlasenko2007-01-26 23:00:05 +0000
commitfc7f92253ae1c4f050e5ea2322b53b0e81bf96be (patch)
treedc1023059186ea2b817a4b7859328b5f3625c9c6 /findutils/find.c
parent8b942c66395436c6dce3a280d8fa227c0453b9bc (diff)
downloadbusybox-fc7f92253ae1c4f050e5ea2322b53b0e81bf96be.zip
busybox-fc7f92253ae1c4f050e5ea2322b53b0e81bf96be.tar.gz
find: fix -mtime, -mmin, -perm (+ add symbolic perm handling)
chmod: better name for a variable
Diffstat (limited to 'findutils/find.c')
-rw-r--r--findutils/find.c67
1 files changed, 40 insertions, 27 deletions
diff --git a/findutils/find.c b/findutils/find.c
index f2e3c6d..f7d9532 100644
--- a/findutils/find.c
+++ b/findutils/find.c
@@ -45,8 +45,8 @@
* (no output)
*/
-#include "busybox.h"
#include <fnmatch.h>
+#include "busybox.h"
USE_FEATURE_FIND_XDEV(static dev_t *xdev_dev;)
USE_FEATURE_FIND_XDEV(static int xdev_count;)
@@ -62,9 +62,9 @@ typedef struct {
ACTS(name, char *pattern;)
USE_FEATURE_FIND_PRINT0(ACTS(print0))
USE_FEATURE_FIND_TYPE( ACTS(type, int type_mask;))
-USE_FEATURE_FIND_PERM( ACTS(perm, char perm_char; int perm_mask;))
-USE_FEATURE_FIND_MTIME( ACTS(mtime, char mtime_char; int mtime_days;))
-USE_FEATURE_FIND_MMIN( ACTS(mmin, char mmin_char; int mmin_mins;))
+USE_FEATURE_FIND_PERM( ACTS(perm, char perm_char; mode_t perm_mask;))
+USE_FEATURE_FIND_MTIME( ACTS(mtime, char mtime_char; unsigned mtime_days;))
+USE_FEATURE_FIND_MMIN( ACTS(mmin, char mmin_char; unsigned mmin_mins;))
USE_FEATURE_FIND_NEWER( ACTS(newer, time_t newer_mtime;))
USE_FEATURE_FIND_INUM( ACTS(inum, ino_t inode_num;))
USE_FEATURE_FIND_EXEC( ACTS(exec, char **exec_argv; int *subst_count; int exec_argc;))
@@ -147,20 +147,27 @@ ACTF(type)
#if ENABLE_FEATURE_FIND_PERM
ACTF(perm)
{
- return !((isdigit(ap->perm_char) && (statbuf->st_mode & 07777) == ap->perm_mask)
- || (ap->perm_char == '-' && (statbuf->st_mode & ap->perm_mask) == ap->perm_mask)
- || (ap->perm_char == '+' && (statbuf->st_mode & ap->perm_mask) != 0));
+ /* -perm +mode: at least one of perm_mask bits are set */
+ if (ap->perm_char == '+')
+ return (statbuf->st_mode & ap->perm_mask) != 0;
+ /* -perm -mode: all of perm_mask are set */
+ if (ap->perm_char == '-')
+ return (statbuf->st_mode & ap->perm_mask) == ap->perm_mask;
+ /* -perm mode: file mode must match perm_mask */
+ return (statbuf->st_mode & 07777) == ap->perm_mask;
}
#endif
#if ENABLE_FEATURE_FIND_MTIME
ACTF(mtime)
{
time_t file_age = time(NULL) - statbuf->st_mtime;
- time_t mtime_secs = ap->mtime_days * 24 * 60 * 60;
- return !((isdigit(ap->mtime_char) && file_age >= mtime_secs
- && file_age < mtime_secs + 24 * 60 * 60)
- || (ap->mtime_char == '+' && file_age >= mtime_secs + 24 * 60 * 60)
- || (ap->mtime_char == '-' && file_age < mtime_secs));
+ time_t mtime_secs = ap->mtime_days * 24*60*60;
+ if (ap->mtime_char == '+')
+ return file_age >= mtime_secs + 24*60*60;
+ if (ap->mtime_char == '-')
+ return file_age < mtime_secs;
+ /* just numeric mtime */
+ return file_age >= mtime_secs && file_age < (mtime_secs + 24*60*60);
}
#endif
#if ENABLE_FEATURE_FIND_MMIN
@@ -168,22 +175,24 @@ ACTF(mmin)
{
time_t file_age = time(NULL) - statbuf->st_mtime;
time_t mmin_secs = ap->mmin_mins * 60;
- return !((isdigit(ap->mmin_char) && file_age >= mmin_secs
- && file_age < mmin_secs + 60)
- || (ap->mmin_char == '+' && file_age >= mmin_secs + 60)
- || (ap->mmin_char == '-' && file_age < mmin_secs));
+ if (ap->mmin_char == '+')
+ return file_age >= mmin_secs + 60;
+ if (ap->mmin_char == '-')
+ return file_age < mmin_secs;
+ /* just numeric mmin */
+ return file_age >= mmin_secs && file_age < (mmin_secs + 60);
}
#endif
#if ENABLE_FEATURE_FIND_NEWER
ACTF(newer)
{
- return (ap->newer_mtime >= statbuf->st_mtime);
+ return (ap->newer_mtime < statbuf->st_mtime);
}
#endif
#if ENABLE_FEATURE_FIND_INUM
ACTF(inum)
{
- return (statbuf->st_ino != ap->inode_num);
+ return (statbuf->st_ino == ap->inode_num);
}
#endif
#if ENABLE_FEATURE_FIND_EXEC
@@ -299,6 +308,13 @@ static int find_type(char *type)
}
#endif
+static const char* plus_minus_num(const char* str)
+{
+ if (*str == '-' || *str == '+')
+ str++;
+ return str;
+}
+
static action*** parse_params(char **argv)
{
action*** appp;
@@ -391,10 +407,11 @@ static action*** parse_params(char **argv)
if (!*++argv)
bb_error_msg_and_die(bb_msg_requires_arg, arg);
ap = ALLOC_ACTION(perm);
- ap->perm_mask = xstrtol_range(arg1, 8, 0, 07777);
ap->perm_char = arg1[0];
- if (ap->perm_char == '-')
- ap->perm_mask = -ap->perm_mask;
+ arg1 = plus_minus_num(arg1);
+ ap->perm_mask = 0;
+ if (!bb_parse_mode(arg1, &ap->perm_mask))
+ bb_error_msg_and_die("invalid mode: %s", arg1);
}
#endif
#if ENABLE_FEATURE_FIND_MTIME
@@ -403,10 +420,8 @@ static action*** parse_params(char **argv)
if (!*++argv)
bb_error_msg_and_die(bb_msg_requires_arg, arg);
ap = ALLOC_ACTION(mtime);
- ap->mtime_days = xatol(arg1);
ap->mtime_char = arg1[0];
- if (ap->mtime_char == '-')
- ap->mtime_days = -ap->mtime_days;
+ ap->mtime_days = xatoul(plus_minus_num(arg1));
}
#endif
#if ENABLE_FEATURE_FIND_MMIN
@@ -415,10 +430,8 @@ static action*** parse_params(char **argv)
if (!*++argv)
bb_error_msg_and_die(bb_msg_requires_arg, arg);
ap = ALLOC_ACTION(mmin);
- ap->mmin_mins = xatol(arg1);
ap->mmin_char = arg1[0];
- if (ap->mmin_char == '-')
- ap->mmin_mins = -ap->mmin_mins;
+ ap->mmin_mins = xatoul(plus_minus_num(arg1));
}
#endif
#if ENABLE_FEATURE_FIND_NEWER