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find: add optional support for -links. +100 bytes

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Signed-off-by: Matheus Izvekov <mizvekov@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Matheus Izvekov
2010-01-06 09:19:04 +01:00
committed by Denys Vlasenko
parent 839fd71077
commit d0f601f066
3 changed files with 36 additions and 6 deletions
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26
findutils/find.c
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@@ -96,6 +96,7 @@ IF_FEATURE_FIND_PRUNE( ACTS(prune))
IF_FEATURE_FIND_DELETE( ACTS(delete))
IF_FEATURE_FIND_EXEC( ACTS(exec, char **exec_argv; unsigned *subst_count; int exec_argc;))
IF_FEATURE_FIND_GROUP( ACTS(group, gid_t gid;))
IF_FEATURE_FIND_LINKS( ACTS(links, char links_char; int links_count;))
struct globals {
IF_FEATURE_FIND_XDEV(dev_t *xdev_dev;)
@@ -175,7 +176,7 @@ static int exec_actions(action ***appp, const char *fileName, const struct stat
* On return, bit is restored. */
cur_group = -1;
while ((app = appp[++cur_group])) {
while ((app = appp[++cur_group]) != NULL) {
rc &= ~TRUE; /* 'success' so far, clear TRUE bit */
cur_action = -1;
while (1) {
@@ -390,7 +391,16 @@ ACTF(context)
return rc == 0;
}
#endif
#if ENABLE_FEATURE_FIND_LINKS
ACTF(links)
{
switch(ap->links_char) {
case '-' : return (statbuf->st_nlink < ap->links_count);
case '+' : return (statbuf->st_nlink > ap->links_count);
default: return (statbuf->st_nlink == ap->links_count);
}
}
#endif
static int FAST_FUNC fileAction(const char *fileName,
struct stat *statbuf,
@@ -463,7 +473,7 @@ static int find_type(const char *type)
#if ENABLE_FEATURE_FIND_PERM \
|| ENABLE_FEATURE_FIND_MTIME || ENABLE_FEATURE_FIND_MMIN \
|| ENABLE_FEATURE_FIND_SIZE
|| ENABLE_FEATURE_FIND_SIZE || ENABLE_FEATURE_FIND_LINKS
static const char* plus_minus_num(const char* str)
{
if (*str == '-' || *str == '+')
@@ -505,6 +515,7 @@ static action*** parse_params(char **argv)
IF_FEATURE_FIND_GROUP( PARM_group ,)
IF_FEATURE_FIND_SIZE( PARM_size ,)
IF_FEATURE_FIND_CONTEXT(PARM_context ,)
IF_FEATURE_FIND_LINKS( PARM_links ,)
};
static const char params[] ALIGN1 =
@@ -538,6 +549,7 @@ static action*** parse_params(char **argv)
IF_FEATURE_FIND_GROUP( "-group\0" )
IF_FEATURE_FIND_SIZE( "-size\0" )
IF_FEATURE_FIND_CONTEXT("-context\0")
IF_FEATURE_FIND_LINKS( "-links\0" )
;
action*** appp;
@@ -822,6 +834,14 @@ static action*** parse_params(char **argv)
if (selinux_raw_to_trans_context((char*)arg1, &ap->context))
bb_simple_perror_msg(arg1);
}
#endif
#if ENABLE_FEATURE_FIND_LINKS
else if (parm == PARM_links) {
action_links *ap;
ap = ALLOC_ACTION(links);
ap->links_char = arg1[0];
ap->links_count = xatoul(plus_minus_num(arg1));
}
#endif
else {
bb_error_msg("unrecognized: %s", arg);