From 5d3a0e8ed3c7fcb43c9298d43868672ae51a4456 Mon Sep 17 00:00:00 2001 From: Rob Landley Date: Tue, 4 Oct 2005 03:34:39 +0000 Subject: [PATCH] Add find -exec support from Rob Sullivan, and convert CONFIG_ to ENABLE_ while we're in the area. --- findutils/Config.in | 8 ++++ findutils/find.c | 103 ++++++++++++++++++++++++++------------------ include/usage.h | 11 ++++- 3 files changed, 78 insertions(+), 44 deletions(-) diff --git a/findutils/Config.in b/findutils/Config.in index 10dc72e29..3c28ec03a 100644 --- a/findutils/Config.in +++ b/findutils/Config.in @@ -57,6 +57,14 @@ config CONFIG_FEATURE_FIND_INUM help Support the 'find -inum' option for searching by inode number. +config CONFIG_FEATURE_FIND_EXEC + bool " Enable (-exec) option allowing execution of commands" + default y + depends on CONFIG_FIND + help + Support the 'find -exec' option for executing commands based upon + the files matched. + config CONFIG_GREP bool "grep" default n diff --git a/findutils/find.c b/findutils/find.c index 334a7b56e..25f57fd4f 100644 --- a/findutils/find.c +++ b/findutils/find.c @@ -39,33 +39,39 @@ static const char msg_invalid_arg[] = "invalid argument `%s' to `%s'"; static char *pattern; -#ifdef CONFIG_FEATURE_FIND_TYPE +#if ENABLE_FEATURE_FIND_TYPE static int type_mask = 0; #endif -#ifdef CONFIG_FEATURE_FIND_PERM +#if ENABLE_FEATURE_FIND_PERM static char perm_char = 0; static int perm_mask = 0; #endif -#ifdef CONFIG_FEATURE_FIND_MTIME +#if ENABLE_FEATURE_FIND_MTIME static char mtime_char; static int mtime_days; #endif -#ifdef CONFIG_FEATURE_FIND_XDEV +#if ENABLE_FEATURE_FIND_XDEV static dev_t *xdev_dev; static int xdev_count = 0; #endif -#ifdef CONFIG_FEATURE_FIND_NEWER +#if ENABLE_FEATURE_FIND_NEWER static time_t newer_mtime; #endif -#ifdef CONFIG_FEATURE_FIND_INUM +#if ENABLE_FEATURE_FIND_INUM static ino_t inode_num; #endif +#if ENABLE_FEATURE_FIND_EXEC +static char **exec_str; +static int num_matches; +static int exec_opt; +#endif + static int fileAction(const char *fileName, struct stat *statbuf, void* junk) { if (pattern != NULL) { @@ -78,22 +84,17 @@ static int fileAction(const char *fileName, struct stat *statbuf, void* junk) if (!(fnmatch(pattern, tmp, FNM_PERIOD) == 0)) goto no_match; } -#ifdef CONFIG_FEATURE_FIND_TYPE - if (type_mask != 0) { + if (ENABLE_FEATURE_FIND_TYPE && type_mask != 0) { if (!((statbuf->st_mode & S_IFMT) == type_mask)) goto no_match; } -#endif -#ifdef CONFIG_FEATURE_FIND_PERM - if (perm_mask != 0) { + if (ENABLE_FEATURE_FIND_PERM && perm_mask != 0) { if (!((isdigit(perm_char) && (statbuf->st_mode & 07777) == perm_mask) || (perm_char == '-' && (statbuf->st_mode & perm_mask) == perm_mask) || (perm_char == '+' && (statbuf->st_mode & perm_mask) != 0))) goto no_match; } -#endif -#ifdef CONFIG_FEATURE_FIND_MTIME - if (mtime_char != 0) { + if (ENABLE_FEATURE_FIND_MTIME && mtime_char != 0) { time_t file_age = time(NULL) - statbuf->st_mtime; time_t mtime_secs = mtime_days * 24 * 60 * 60; if (!((isdigit(mtime_char) && file_age >= mtime_secs && @@ -102,9 +103,7 @@ static int fileAction(const char *fileName, struct stat *statbuf, void* junk) (mtime_char == '-' && file_age < mtime_secs))) goto no_match; } -#endif -#ifdef CONFIG_FEATURE_FIND_XDEV - if (xdev_count) { + if (ENABLE_FEATURE_FIND_XDEV && xdev_count) { int i; for (i=0; i st_dev) @@ -117,26 +116,31 @@ static int fileAction(const char *fileName, struct stat *statbuf, void* junk) goto no_match; } } -#endif -#ifdef CONFIG_FEATURE_FIND_NEWER - if (newer_mtime != 0) { + if (ENABLE_FEATURE_FIND_NEWER && 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 (ENABLE_FEATURE_FIND_INUM && inode_num != 0) { if (!(statbuf->st_ino == inode_num)) goto no_match; } -#endif + if (ENABLE_FEATURE_FIND_EXEC && exec_opt) { + int i; + char *cmd_string = ""; + for (i = 0; i < num_matches; i++) + cmd_string = bb_xasprintf("%s%s%s", cmd_string, exec_str[i], fileName); + cmd_string = bb_xasprintf("%s%s", cmd_string, exec_str[num_matches]); + system(cmd_string); + goto no_match; + } + puts(fileName); no_match: return (TRUE); } -#ifdef CONFIG_FEATURE_FIND_TYPE +#if ENABLE_FEATURE_FIND_TYPE static int find_type(char *type) { int mask = 0; @@ -193,14 +197,11 @@ int find_main(int argc, char **argv) if (++i == argc) bb_error_msg_and_die(msg_req_arg, "-name"); pattern = argv[i]; -#ifdef CONFIG_FEATURE_FIND_TYPE - } else if (strcmp(argv[i], "-type") == 0) { + } else if (ENABLE_FEATURE_FIND_TYPE && strcmp(argv[i], "-type") == 0) { if (++i == argc) bb_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) { + } else if (ENABLE_FEATURE_FIND_PERM && strcmp(argv[i], "-perm") == 0) { char *end; if (++i == argc) bb_error_msg_and_die(msg_req_arg, "-perm"); @@ -209,9 +210,7 @@ int find_main(int argc, char **argv) bb_error_msg_and_die(msg_invalid_arg, argv[i], "-perm"); if ((perm_char = argv[i][0]) == '-') perm_mask = -perm_mask; -#endif -#ifdef CONFIG_FEATURE_FIND_MTIME - } else if (strcmp(argv[i], "-mtime") == 0) { + } else if (ENABLE_FEATURE_FIND_MTIME && strcmp(argv[i], "-mtime") == 0) { char *end; if (++i == argc) bb_error_msg_and_die(msg_req_arg, "-mtime"); @@ -220,9 +219,7 @@ int find_main(int argc, char **argv) bb_error_msg_and_die(msg_invalid_arg, argv[i], "-mtime"); if ((mtime_char = argv[i][0]) == '-') mtime_days = -mtime_days; -#endif -#ifdef CONFIG_FEATURE_FIND_XDEV - } else if (strcmp(argv[i], "-xdev") == 0) { + } else if (ENABLE_FEATURE_FIND_XDEV && strcmp(argv[i], "-xdev") == 0) { struct stat stbuf; xdev_count = ( firstopt - 1 ) ? ( firstopt - 1 ) : 1; @@ -241,25 +238,45 @@ 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) { + } else if (ENABLE_FEATURE_FIND_NEWER && strcmp(argv[i], "-newer") == 0) { struct stat stat_newer; if (++i == argc) bb_error_msg_and_die(msg_req_arg, "-newer"); if (stat (argv[i], &stat_newer) != 0) bb_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) { + } else if (ENABLE_FEATURE_FIND_INUM && strcmp(argv[i], "-inum") == 0) { char *end; if (++i == argc) bb_error_msg_and_die(msg_req_arg, "-inum"); inode_num = strtol(argv[i], &end, 10); if (end[0] != '\0') bb_error_msg_and_die(msg_invalid_arg, argv[i], "-inum"); -#endif + } else if (ENABLE_FEATURE_FIND_EXEC && strcmp(argv[i], "-exec") == 0) { + int b_pos; + char *cmd_string = ""; + + while (i++) { + if (i == argc) + bb_error_msg_and_die(msg_req_arg, "-exec"); + if (*argv[i] == ';') + break; + cmd_string = bb_xasprintf("%s %s", cmd_string, argv[i]); + } + + if (*cmd_string == 0) + bb_error_msg_and_die(msg_req_arg, "-exec"); + cmd_string++; + exec_str = xmalloc(sizeof(char *)); + + while ((b_pos = strstr(cmd_string, "{}") - cmd_string), (b_pos >= 0)) { + num_matches++; + exec_str = xrealloc(exec_str, (num_matches + 1) * sizeof(char *)); + exec_str[num_matches - 1] = bb_xstrndup(cmd_string, b_pos); + cmd_string += b_pos + 2; + } + exec_str[num_matches] = bb_xstrdup(cmd_string); + exec_opt = 1; } else bb_show_usage(); } diff --git a/include/usage.h b/include/usage.h index 0dbc82a2c..8428bfd32 100644 --- a/include/usage.h +++ b/include/usage.h @@ -732,6 +732,11 @@ #else # define USAGE_FIND_INUM(a) #endif +#ifdef CONFIG_FEATURE_FIND_EXEC +# define USAGE_FIND_EXEC(a) a +#else +# define USAGE_FIND_EXEC(a) +#endif #define find_trivial_usage \ "[PATH...] [EXPRESSION]" @@ -751,7 +756,11 @@ ) 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") + "\n\t-inum N\t\tFile has inode number N" \ +) USAGE_FIND_EXEC( \ + "\n\t-exec CMD\tExecute CMD with all instances of {} replaced by the" \ + "\n\t\t\tfiles matching EXPRESSION") + #define find_example_usage \ "$ find / -name passwd\n" \ "/etc/passwd\n" -- 2.25.1