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Apply patch from Ghozlane Toumi to add -inum support to find.

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Apply patch from Ghozlane Toumi to make find smaller by combining
    similar error messages
Forward port find -newer support from busybox stable that was
    missing from unstable.  -Erik.
Fixup usage messages for find.  -Erik
This commit is contained in:
Eric Andersen 2003-01-23 05:27:42 +00:00
parent be65c350ae
commit 97d86f2bb5
3 changed files with 79 additions and 12 deletions
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15
findutils/Config.in
View File

@ -39,6 +39,21 @@ config CONFIG_FEATURE_FIND_XDEV
help
Please submit a patch to add help text for this item.
config CONFIG_FEATURE_FIND_NEWER
bool " Enable -newer option for comparing file mtimes"
default y
depends on CONFIG_FIND
help
Support the 'find -newer' option for finding any files which have
a modified time that is more recent than the specified FILE.
config CONFIG_FEATURE_FIND_INUM
bool " Enable inode number matching (-inum) option"
default y
depends on CONFIG_FIND
help
Support the 'fine -inum' option for searching by inode number.
config CONFIG_GREP
bool "grep"
default n

60
findutils/find.c
View File

@ -34,6 +34,9 @@
#include <ctype.h>
#include "busybox.h"
//XXX just found out about libbb/messages.c . maybe move stuff there ? - ghoz
const char msg_req_arg[] = "option `%s' requires an argument";
const char msg_invalid_arg[] = "invalid argument `%s' to `%s'";
static char *pattern;
@ -56,6 +59,13 @@ static dev_t *xdev_dev;
static int xdev_count = 0;
#endif
#ifdef CONFIG_FEATURE_FIND_NEWER
time_t newer_mtime;
#endif
#ifdef CONFIG_FEATURE_FIND_INUM
static ino_t inode_num;
#endif
static int fileAction(const char *fileName, struct stat *statbuf, void* junk)
{
@ -109,7 +119,19 @@ static int fileAction(const char *fileName, struct stat *statbuf, void* junk)
}
}
#endif
#ifdef CONFIG_FEATURE_FIND_NEWER
if (newer_mtime != 0) {
time_t file_age = newer_mtime - statbuf->st_mtime;
if (file_age >= 0)
goto no_match;
}
#endif
#ifdef CONFIG_FEATURE_FIND_INUM
if (inode_num != 0) {
if (!(statbuf->st_ino == inode_num))
goto no_match;
}
#endif
puts(fileName);
no_match:
return (TRUE);
@ -145,7 +167,7 @@ static int find_type(char *type)
}
if (mask == 0 || type[1] != '\0')
error_msg_and_die("invalid argument `%s' to `-type'", type);
error_msg_and_die(msg_invalid_arg, type, "-type");
return mask;
}
@ -170,24 +192,22 @@ int find_main(int argc, char **argv)
}
else if (strcmp(argv[i], "-name") == 0) {
if (++i == argc)
error_msg_and_die("option `-name' requires an argument");
error_msg_and_die(msg_req_arg, "-name");
pattern = argv[i];
#ifdef CONFIG_FEATURE_FIND_TYPE
} else if (strcmp(argv[i], "-type") == 0) {
if (++i == argc)
error_msg_and_die("option `-type' requires an argument");
error_msg_and_die(msg_req_arg, "-type");
type_mask = find_type(argv[i]);
#endif
#ifdef CONFIG_FEATURE_FIND_PERM
} else if (strcmp(argv[i], "-perm") == 0) {
char *end;
if (++i == argc)
error_msg_and_die("option `-perm' requires an argument");
error_msg_and_die(msg_req_arg, "-perm");
perm_mask = strtol(argv[i], &end, 8);
if (end[0] != '\0')
error_msg_and_die("invalid argument `%s' to `-perm'", argv[i]);
if (perm_mask > 07777)
error_msg_and_die("invalid argument `%s' to `-perm'", argv[i]);
if ((end[0] != '\0') || (perm_mask > 07777))
error_msg_and_die(msg_invalid_arg, argv[i], "-perm");
if ((perm_char = argv[i][0]) == '-')
perm_mask = -perm_mask;
#endif
@ -195,10 +215,10 @@ int find_main(int argc, char **argv)
} else if (strcmp(argv[i], "-mtime") == 0) {
char *end;
if (++i == argc)
error_msg_and_die("option `-mtime' requires an argument");
error_msg_and_die(msg_req_arg, "-mtime");
mtime_days = strtol(argv[i], &end, 10);
if (end[0] != '\0')
error_msg_and_die("invalid argument `%s' to `-mtime'", argv[i]);
error_msg_and_die(msg_invalid_arg, argv[i], "-mtime");
if ((mtime_char = argv[i][0]) == '-')
mtime_days = -mtime_days;
#endif
@ -222,6 +242,24 @@ int find_main(int argc, char **argv)
xdev_dev [i-1] = stbuf. st_dev;
}
}
#endif
#ifdef CONFIG_FEATURE_FIND_NEWER
} else if (strcmp(argv[i], "-newer") == 0) {
struct stat stat_newer;
if (++i == argc)
error_msg_and_die(msg_req_arg, "-newer");
if (stat (argv[i], &stat_newer) != 0)
error_msg_and_die("file %s not found", argv[i]);
newer_mtime = stat_newer.st_mtime;
#endif
#ifdef CONFIG_FEATURE_FIND_INUM
} else if (strcmp(argv[i], "-inum") == 0) {
char *end;
if (++i == argc)
error_msg_and_die(msg_req_arg, "-inum");
inode_num = strtol(argv[i], &end, 10);
if (end[0] != '\0')
error_msg_and_die(msg_invalid_arg, argv[i], "-inum");
#endif
} else
show_usage();

16
include/usage.h
View File

@ -568,6 +568,16 @@
#else
#define USAGE_FIND_MTIME(a)
#endif
#ifdef CONFIG_FEATURE_FIND_NEWER
#define USAGE_FIND_NEWER(a) a
#else
#define USAGE_FIND_NEWER(a)
#endif
#ifdef CONFIG_FEATURE_FIND_INUM
#define USAGE_FIND_INUM(a) a
#else
#define USAGE_FIND_INUM(a)
#endif
#define find_trivial_usage \
"[PATH...] [EXPRESSION]"
@ -583,7 +593,11 @@
) USAGE_FIND_PERM( \
"\n\t-perm PERMS\tPermissions match any of (+NNN); all of (-NNN);\n\t\t\tor exactly (NNN)" \
) USAGE_FIND_MTIME( \
"\n\t-mtime TIME\tModified time is greater than (+N); less than (-N);\n\t\t\tor exactly (N) days")
"\n\t-mtime TIME\tModified time is greater than (+N); less than (-N);\n\t\t\tor exactly (N) days" \
) USAGE_FIND_NEWER( \
"\n\t-newer FILE\tModified time is more recent than FILE's" \
) USAGE_FIND_INUM( \
"\n\t-inum N\t\tFile has inode number N")
#define find_example_usage \
"$ find / -name /etc/passwd\n" \
"/etc/passwd\n"