Add find -exec support from Rob Sullivan, and convert CONFIG_ to ENABLE_
while we're in the area.
This commit is contained in:
Rob Landley
parent
d128b71820
commit
5d3a0e8ed3
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@ -57,6 +57,14 @@ config CONFIG_FEATURE_FIND_INUM
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help
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Support the 'find -inum' option for searching by inode number.
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config CONFIG_FEATURE_FIND_EXEC
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bool " Enable (-exec) option allowing execution of commands"
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default y
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depends on CONFIG_FIND
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help
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Support the 'find -exec' option for executing commands based upon
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the files matched.
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config CONFIG_GREP
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bool "grep"
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default n
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103
findutils/find.c
103
findutils/find.c
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@ -39,33 +39,39 @@ static const char msg_invalid_arg[] = "invalid argument `%s' to `%s'";
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static char *pattern;
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#ifdef CONFIG_FEATURE_FIND_TYPE
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#if ENABLE_FEATURE_FIND_TYPE
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static int type_mask = 0;
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#endif
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#ifdef CONFIG_FEATURE_FIND_PERM
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#if ENABLE_FEATURE_FIND_PERM
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static char perm_char = 0;
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static int perm_mask = 0;
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#endif
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#ifdef CONFIG_FEATURE_FIND_MTIME
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#if ENABLE_FEATURE_FIND_MTIME
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static char mtime_char;
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static int mtime_days;
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#endif
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#ifdef CONFIG_FEATURE_FIND_XDEV
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#if ENABLE_FEATURE_FIND_XDEV
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static dev_t *xdev_dev;
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static int xdev_count = 0;
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#endif
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#ifdef CONFIG_FEATURE_FIND_NEWER
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#if ENABLE_FEATURE_FIND_NEWER
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static time_t newer_mtime;
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#endif
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#ifdef CONFIG_FEATURE_FIND_INUM
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#if ENABLE_FEATURE_FIND_INUM
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static ino_t inode_num;
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#endif
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#if ENABLE_FEATURE_FIND_EXEC
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static char **exec_str;
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static int num_matches;
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static int exec_opt;
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#endif
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static int fileAction(const char *fileName, struct stat *statbuf, void* junk)
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{
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if (pattern != NULL) {
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@ -78,22 +84,17 @@ static int fileAction(const char *fileName, struct stat *statbuf, void* junk)
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if (!(fnmatch(pattern, tmp, FNM_PERIOD) == 0))
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goto no_match;
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}
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#ifdef CONFIG_FEATURE_FIND_TYPE
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if (type_mask != 0) {
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if (ENABLE_FEATURE_FIND_TYPE && type_mask != 0) {
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if (!((statbuf->st_mode & S_IFMT) == type_mask))
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goto no_match;
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}
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#endif
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#ifdef CONFIG_FEATURE_FIND_PERM
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if (perm_mask != 0) {
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if (ENABLE_FEATURE_FIND_PERM && perm_mask != 0) {
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if (!((isdigit(perm_char) && (statbuf->st_mode & 07777) == perm_mask) ||
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(perm_char == '-' && (statbuf->st_mode & perm_mask) == perm_mask) ||
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(perm_char == '+' && (statbuf->st_mode & perm_mask) != 0)))
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goto no_match;
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}
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#endif
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#ifdef CONFIG_FEATURE_FIND_MTIME
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if (mtime_char != 0) {
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if (ENABLE_FEATURE_FIND_MTIME && mtime_char != 0) {
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time_t file_age = time(NULL) - statbuf->st_mtime;
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time_t mtime_secs = mtime_days * 24 * 60 * 60;
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if (!((isdigit(mtime_char) && file_age >= mtime_secs &&
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@ -102,9 +103,7 @@ static int fileAction(const char *fileName, struct stat *statbuf, void* junk)
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(mtime_char == '-' && file_age < mtime_secs)))
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goto no_match;
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}
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#endif
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#ifdef CONFIG_FEATURE_FIND_XDEV
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if (xdev_count) {
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if (ENABLE_FEATURE_FIND_XDEV && xdev_count) {
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int i;
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for (i=0; i<xdev_count; i++) {
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if (xdev_dev[i] == statbuf-> st_dev)
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@ -117,26 +116,31 @@ static int fileAction(const char *fileName, struct stat *statbuf, void* junk)
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goto no_match;
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}
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}
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#endif
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#ifdef CONFIG_FEATURE_FIND_NEWER
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if (newer_mtime != 0) {
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if (ENABLE_FEATURE_FIND_NEWER && newer_mtime != 0) {
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time_t file_age = newer_mtime - statbuf->st_mtime;
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if (file_age >= 0)
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goto no_match;
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}
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#endif
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#ifdef CONFIG_FEATURE_FIND_INUM
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if (inode_num != 0) {
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if (ENABLE_FEATURE_FIND_INUM && inode_num != 0) {
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if (!(statbuf->st_ino == inode_num))
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goto no_match;
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}
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#endif
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if (ENABLE_FEATURE_FIND_EXEC && exec_opt) {
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int i;
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char *cmd_string = "";
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for (i = 0; i < num_matches; i++)
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cmd_string = bb_xasprintf("%s%s%s", cmd_string, exec_str[i], fileName);
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cmd_string = bb_xasprintf("%s%s", cmd_string, exec_str[num_matches]);
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system(cmd_string);
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goto no_match;
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}
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puts(fileName);
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no_match:
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return (TRUE);
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}
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#ifdef CONFIG_FEATURE_FIND_TYPE
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#if ENABLE_FEATURE_FIND_TYPE
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static int find_type(char *type)
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{
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int mask = 0;
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@ -193,14 +197,11 @@ int find_main(int argc, char **argv)
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if (++i == argc)
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bb_error_msg_and_die(msg_req_arg, "-name");
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pattern = argv[i];
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#ifdef CONFIG_FEATURE_FIND_TYPE
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} else if (strcmp(argv[i], "-type") == 0) {
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} else if (ENABLE_FEATURE_FIND_TYPE && strcmp(argv[i], "-type") == 0) {
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if (++i == argc)
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bb_error_msg_and_die(msg_req_arg, "-type");
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type_mask = find_type(argv[i]);
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#endif
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#ifdef CONFIG_FEATURE_FIND_PERM
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} else if (strcmp(argv[i], "-perm") == 0) {
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} else if (ENABLE_FEATURE_FIND_PERM && strcmp(argv[i], "-perm") == 0) {
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char *end;
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if (++i == argc)
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bb_error_msg_and_die(msg_req_arg, "-perm");
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@ -209,9 +210,7 @@ int find_main(int argc, char **argv)
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bb_error_msg_and_die(msg_invalid_arg, argv[i], "-perm");
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if ((perm_char = argv[i][0]) == '-')
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perm_mask = -perm_mask;
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#endif
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#ifdef CONFIG_FEATURE_FIND_MTIME
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} else if (strcmp(argv[i], "-mtime") == 0) {
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} else if (ENABLE_FEATURE_FIND_MTIME && strcmp(argv[i], "-mtime") == 0) {
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char *end;
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if (++i == argc)
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bb_error_msg_and_die(msg_req_arg, "-mtime");
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@ -220,9 +219,7 @@ int find_main(int argc, char **argv)
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bb_error_msg_and_die(msg_invalid_arg, argv[i], "-mtime");
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if ((mtime_char = argv[i][0]) == '-')
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mtime_days = -mtime_days;
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#endif
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#ifdef CONFIG_FEATURE_FIND_XDEV
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} else if (strcmp(argv[i], "-xdev") == 0) {
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} else if (ENABLE_FEATURE_FIND_XDEV && strcmp(argv[i], "-xdev") == 0) {
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struct stat stbuf;
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xdev_count = ( firstopt - 1 ) ? ( firstopt - 1 ) : 1;
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@ -241,25 +238,45 @@ int find_main(int argc, char **argv)
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xdev_dev [i-1] = stbuf. st_dev;
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}
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}
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#endif
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#ifdef CONFIG_FEATURE_FIND_NEWER
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} else if (strcmp(argv[i], "-newer") == 0) {
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} else if (ENABLE_FEATURE_FIND_NEWER && strcmp(argv[i], "-newer") == 0) {
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struct stat stat_newer;
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if (++i == argc)
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bb_error_msg_and_die(msg_req_arg, "-newer");
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if (stat (argv[i], &stat_newer) != 0)
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bb_error_msg_and_die("file %s not found", argv[i]);
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newer_mtime = stat_newer.st_mtime;
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#endif
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#ifdef CONFIG_FEATURE_FIND_INUM
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} else if (strcmp(argv[i], "-inum") == 0) {
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} else if (ENABLE_FEATURE_FIND_INUM && strcmp(argv[i], "-inum") == 0) {
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char *end;
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if (++i == argc)
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bb_error_msg_and_die(msg_req_arg, "-inum");
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inode_num = strtol(argv[i], &end, 10);
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if (end[0] != '\0')
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bb_error_msg_and_die(msg_invalid_arg, argv[i], "-inum");
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#endif
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} else if (ENABLE_FEATURE_FIND_EXEC && strcmp(argv[i], "-exec") == 0) {
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int b_pos;
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char *cmd_string = "";
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while (i++) {
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if (i == argc)
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bb_error_msg_and_die(msg_req_arg, "-exec");
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if (*argv[i] == ';')
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break;
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cmd_string = bb_xasprintf("%s %s", cmd_string, argv[i]);
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}
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if (*cmd_string == 0)
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bb_error_msg_and_die(msg_req_arg, "-exec");
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cmd_string++;
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exec_str = xmalloc(sizeof(char *));
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while ((b_pos = strstr(cmd_string, "{}") - cmd_string), (b_pos >= 0)) {
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num_matches++;
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exec_str = xrealloc(exec_str, (num_matches + 1) * sizeof(char *));
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exec_str[num_matches - 1] = bb_xstrndup(cmd_string, b_pos);
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cmd_string += b_pos + 2;
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}
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exec_str[num_matches] = bb_xstrdup(cmd_string);
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exec_opt = 1;
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} else
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bb_show_usage();
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}
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@ -732,6 +732,11 @@
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#else
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# define USAGE_FIND_INUM(a)
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#endif
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#ifdef CONFIG_FEATURE_FIND_EXEC
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# define USAGE_FIND_EXEC(a) a
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#else
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# define USAGE_FIND_EXEC(a)
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#endif
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#define find_trivial_usage \
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"[PATH...] [EXPRESSION]"
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@ -751,7 +756,11 @@
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) USAGE_FIND_NEWER( \
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"\n\t-newer FILE\tModified time is more recent than FILE's" \
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) USAGE_FIND_INUM( \
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"\n\t-inum N\t\tFile has inode number N")
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"\n\t-inum N\t\tFile has inode number N" \
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) USAGE_FIND_EXEC( \
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"\n\t-exec CMD\tExecute CMD with all instances of {} replaced by the" \
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"\n\t\t\tfiles matching EXPRESSION")
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#define find_example_usage \
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"$ find / -name passwd\n" \
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"/etc/passwd\n"
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