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-rw-r--r--eval.c176
1 files changed, 82 insertions, 94 deletions
diff --git a/eval.c b/eval.c
index 88616cc..343c3f7 100644
--- a/eval.c
+++ b/eval.c
@@ -22,6 +22,7 @@
#include "exec.h"
#include "mtab.h"
#include "printf.h"
+#include "stat.h"
#include "util.h"
#include <assert.h>
#include <dirent.h>
@@ -51,7 +52,9 @@ struct eval_state {
/** Whether to quit immediately. */
bool *quit;
/** A stat() buffer, if necessary. */
- struct stat statbuf;
+ struct bfs_stat statbuf;
+ /** A bfs_stat() buffer, if necessary. */
+ struct bfs_stat bfs_statbuf;
};
/**
@@ -74,13 +77,13 @@ static void eval_error(struct eval_state *state) {
}
/**
- * Perform a stat() call if necessary.
+ * Perform a bfs_stat() call if necessary.
*/
-static const struct stat *fill_statbuf(struct eval_state *state) {
+static const struct bfs_stat *eval_bfs_stat(struct eval_state *state) {
struct BFTW *ftwbuf = state->ftwbuf;
if (!ftwbuf->statbuf) {
- if (xfstatat(ftwbuf->at_fd, ftwbuf->at_path, &state->statbuf, ftwbuf->at_flags) == 0) {
- ftwbuf->statbuf = &state->statbuf;
+ if (bfs_stat(ftwbuf->at_fd, ftwbuf->at_path, ftwbuf->at_flags, BFS_STAT_BROKEN_OK, &state->bfs_statbuf) == 0) {
+ ftwbuf->statbuf = &state->bfs_statbuf;
} else {
eval_error(state);
}
@@ -135,34 +138,42 @@ bool eval_access(const struct expr *expr, struct eval_state *state) {
}
/**
- * -[aBcm]?newer tests.
+ * Get the given timespec field out of a stat buffer.
*/
-bool eval_newer(const struct expr *expr, struct eval_state *state) {
- const struct stat *statbuf = fill_statbuf(state);
+static const struct timespec *eval_stat_time(const struct expr *expr, struct eval_state *state) {
+ const struct bfs_stat *statbuf = eval_bfs_stat(state);
if (!statbuf) {
- return false;
+ return NULL;
}
- const struct timespec *time;
- switch (expr->time_field) {
- case ATIME:
- time = &statbuf->st_atim;
- break;
- case CTIME:
- time = &statbuf->st_ctim;
- break;
- case MTIME:
- time = &statbuf->st_mtim;
- break;
-
-#if BFS_HAVE_ST_BIRTHTIM
- case BTIME:
- time = &statbuf->st_birthtim;
- break;
-#endif
-
+ if (!(statbuf->mask & expr->stat_field)) {
+ assert(expr->stat_field == BFS_STAT_BTIME);
+ cfprintf(state->cmdline->cerr, "%{er}error: '%s': Couldn't get file birth time.%{rs}\n", state->ftwbuf->path);
+ *state->ret = EXIT_FAILURE;
+ return NULL;
+ }
+
+ switch (expr->stat_field) {
+ case BFS_STAT_ATIME:
+ return &statbuf->atime;
+ case BFS_STAT_BTIME:
+ return &statbuf->btime;
+ case BFS_STAT_CTIME:
+ return &statbuf->ctime;
+ case BFS_STAT_MTIME:
+ return &statbuf->mtime;
default:
assert(false);
+ return NULL;
+ }
+}
+
+/**
+ * -[aBcm]?newer tests.
+ */
+bool eval_newer(const struct expr *expr, struct eval_state *state) {
+ const struct timespec *time = eval_stat_time(expr, state);
+ if (!time) {
return false;
}
@@ -174,31 +185,8 @@ bool eval_newer(const struct expr *expr, struct eval_state *state) {
* -[aBcm]{min,time} tests.
*/
bool eval_time(const struct expr *expr, struct eval_state *state) {
- const struct stat *statbuf = fill_statbuf(state);
- if (!statbuf) {
- return false;
- }
-
- const struct timespec *time;
- switch (expr->time_field) {
- case ATIME:
- time = &statbuf->st_atim;
- break;
- case CTIME:
- time = &statbuf->st_ctim;
- break;
- case MTIME:
- time = &statbuf->st_mtim;
- break;
-
-#if BFS_HAVE_ST_BIRTHTIM
- case BTIME:
- time = &statbuf->st_birthtim;
- break;
-#endif
-
- default:
- assert(false);
+ const struct timespec *time = eval_stat_time(expr, state);
+ if (!time) {
return false;
}
@@ -219,12 +207,12 @@ bool eval_time(const struct expr *expr, struct eval_state *state) {
* -used test.
*/
bool eval_used(const struct expr *expr, struct eval_state *state) {
- const struct stat *statbuf = fill_statbuf(state);
+ const struct bfs_stat *statbuf = eval_bfs_stat(state);
if (!statbuf) {
return false;
}
- time_t diff = timespec_diff(&statbuf->st_atim, &statbuf->st_ctim);
+ time_t diff = timespec_diff(&statbuf->atime, &statbuf->ctime);
diff /= 60*60*24;
return expr_cmp(expr, diff);
}
@@ -233,48 +221,48 @@ bool eval_used(const struct expr *expr, struct eval_state *state) {
* -gid test.
*/
bool eval_gid(const struct expr *expr, struct eval_state *state) {
- const struct stat *statbuf = fill_statbuf(state);
+ const struct bfs_stat *statbuf = eval_bfs_stat(state);
if (!statbuf) {
return false;
}
- return expr_cmp(expr, statbuf->st_gid);
+ return expr_cmp(expr, statbuf->gid);
}
/**
* -uid test.
*/
bool eval_uid(const struct expr *expr, struct eval_state *state) {
- const struct stat *statbuf = fill_statbuf(state);
+ const struct bfs_stat *statbuf = eval_bfs_stat(state);
if (!statbuf) {
return false;
}
- return expr_cmp(expr, statbuf->st_uid);
+ return expr_cmp(expr, statbuf->uid);
}
/**
* -nogroup test.
*/
bool eval_nogroup(const struct expr *expr, struct eval_state *state) {
- const struct stat *statbuf = fill_statbuf(state);
+ const struct bfs_stat *statbuf = eval_bfs_stat(state);
if (!statbuf) {
return false;
}
- return getgrgid(statbuf->st_gid) == NULL;
+ return getgrgid(statbuf->gid) == NULL;
}
/**
* -nouser test.
*/
bool eval_nouser(const struct expr *expr, struct eval_state *state) {
- const struct stat *statbuf = fill_statbuf(state);
+ const struct bfs_stat *statbuf = eval_bfs_stat(state);
if (!statbuf) {
return false;
}
- return getpwuid(statbuf->st_uid) == NULL;
+ return getpwuid(statbuf->uid) == NULL;
}
/**
@@ -390,9 +378,9 @@ bool eval_empty(const struct expr *expr, struct eval_state *state) {
done_dir:
closedir(dir);
} else {
- const struct stat *statbuf = fill_statbuf(state);
+ const struct bfs_stat *statbuf = eval_bfs_stat(state);
if (statbuf) {
- ret = statbuf->st_size == 0;
+ ret = statbuf->size == 0;
}
}
@@ -404,7 +392,7 @@ done:
* -fstype test.
*/
bool eval_fstype(const struct expr *expr, struct eval_state *state) {
- const struct stat *statbuf = fill_statbuf(state);
+ const struct bfs_stat *statbuf = eval_bfs_stat(state);
if (!statbuf) {
return false;
}
@@ -437,24 +425,24 @@ bool eval_nohidden(const struct expr *expr, struct eval_state *state) {
* -inum test.
*/
bool eval_inum(const struct expr *expr, struct eval_state *state) {
- const struct stat *statbuf = fill_statbuf(state);
+ const struct bfs_stat *statbuf = eval_bfs_stat(state);
if (!statbuf) {
return false;
}
- return expr_cmp(expr, statbuf->st_ino);
+ return expr_cmp(expr, statbuf->ino);
}
/**
* -links test.
*/
bool eval_links(const struct expr *expr, struct eval_state *state) {
- const struct stat *statbuf = fill_statbuf(state);
+ const struct bfs_stat *statbuf = eval_bfs_stat(state);
if (!statbuf) {
return false;
}
- return expr_cmp(expr, statbuf->st_nlink);
+ return expr_cmp(expr, statbuf->nlink);
}
/**
@@ -469,12 +457,12 @@ bool eval_lname(const struct expr *expr, struct eval_state *state) {
goto done;
}
- const struct stat *statbuf = fill_statbuf(state);
+ const struct bfs_stat *statbuf = eval_bfs_stat(state);
if (!statbuf) {
goto done;
}
- name = xreadlinkat(ftwbuf->at_fd, ftwbuf->at_path, statbuf->st_size);
+ name = xreadlinkat(ftwbuf->at_fd, ftwbuf->at_path, statbuf->size);
if (!name) {
eval_error(state);
goto done;
@@ -526,12 +514,12 @@ bool eval_path(const struct expr *expr, struct eval_state *state) {
* -perm test.
*/
bool eval_perm(const struct expr *expr, struct eval_state *state) {
- const struct stat *statbuf = fill_statbuf(state);
+ const struct bfs_stat *statbuf = eval_bfs_stat(state);
if (!statbuf) {
return false;
}
- mode_t mode = statbuf->st_mode;
+ mode_t mode = statbuf->mode;
mode_t target;
if (state->ftwbuf->typeflag == BFTW_DIR) {
target = expr->dir_mode;
@@ -560,21 +548,21 @@ bool eval_fls(const struct expr *expr, struct eval_state *state) {
CFILE *cfile = expr->cfile;
FILE *file = cfile->file;
const struct BFTW *ftwbuf = state->ftwbuf;
- const struct stat *statbuf = fill_statbuf(state);
+ const struct bfs_stat *statbuf = eval_bfs_stat(state);
if (!statbuf) {
goto done;
}
- uintmax_t ino = statbuf->st_ino;
- uintmax_t blocks = (statbuf->st_blocks + 1)/2;
+ uintmax_t ino = statbuf->ino;
+ uintmax_t blocks = (statbuf->blocks + 1)/2;
char mode[11];
- format_mode(statbuf->st_mode, mode);
- uintmax_t nlink = statbuf->st_nlink;
+ format_mode(statbuf->mode, mode);
+ uintmax_t nlink = statbuf->nlink;
if (fprintf(file, "%9ju %6ju %s %3ju ", ino, blocks, mode, nlink) < 0) {
goto error;
}
- uintmax_t uid = statbuf->st_uid;
+ uintmax_t uid = statbuf->uid;
struct passwd *pwd = getpwuid(uid);
if (pwd) {
if (fprintf(file, " %-8s", pwd->pw_name) < 0) {
@@ -586,7 +574,7 @@ bool eval_fls(const struct expr *expr, struct eval_state *state) {
}
}
- uintmax_t gid = statbuf->st_gid;
+ uintmax_t gid = statbuf->gid;
struct group *grp = getgrgid(gid);
if (grp) {
if (fprintf(file, " %-8s", grp->gr_name) < 0) {
@@ -598,12 +586,12 @@ bool eval_fls(const struct expr *expr, struct eval_state *state) {
}
}
- uintmax_t size = statbuf->st_size;
+ uintmax_t size = statbuf->size;
if (fprintf(file, " %8ju", size) < 0) {
goto error;
}
- time_t time = statbuf->st_mtim.tv_sec;
+ time_t time = statbuf->mtime.tv_sec;
time_t now = expr->reftime.tv_sec;
time_t six_months_ago = now - 6*30*24*60*60;
time_t tomorrow = now + 24*60*60;
@@ -652,7 +640,7 @@ error:
bool eval_fprint(const struct expr *expr, struct eval_state *state) {
CFILE *cfile = expr->cfile;
if (cfile->colors) {
- fill_statbuf(state);
+ eval_bfs_stat(state);
}
if (cfprintf(cfile, "%P\n", state->ftwbuf) < 0) {
@@ -679,7 +667,7 @@ bool eval_fprint0(const struct expr *expr, struct eval_state *state) {
*/
bool eval_fprintf(const struct expr *expr, struct eval_state *state) {
if (expr->printf->needs_stat) {
- if (!fill_statbuf(state)) {
+ if (!eval_bfs_stat(state)) {
goto done;
}
}
@@ -784,19 +772,19 @@ bool eval_regex(const struct expr *expr, struct eval_state *state) {
* -samefile test.
*/
bool eval_samefile(const struct expr *expr, struct eval_state *state) {
- const struct stat *statbuf = fill_statbuf(state);
+ const struct bfs_stat *statbuf = eval_bfs_stat(state);
if (!statbuf) {
return false;
}
- return statbuf->st_dev == expr->dev && statbuf->st_ino == expr->ino;
+ return statbuf->dev == expr->dev && statbuf->ino == expr->ino;
}
/**
* -size test.
*/
bool eval_size(const struct expr *expr, struct eval_state *state) {
- const struct stat *statbuf = fill_statbuf(state);
+ const struct bfs_stat *statbuf = eval_bfs_stat(state);
if (!statbuf) {
return false;
}
@@ -813,7 +801,7 @@ bool eval_size(const struct expr *expr, struct eval_state *state) {
};
off_t scale = scales[expr->size_unit];
- off_t size = (statbuf->st_size + scale - 1)/scale; // Round up
+ off_t size = (statbuf->size + scale - 1)/scale; // Round up
return expr_cmp(expr, size);
}
@@ -821,13 +809,13 @@ bool eval_size(const struct expr *expr, struct eval_state *state) {
* -sparse test.
*/
bool eval_sparse(const struct expr *expr, struct eval_state *state) {
- const struct stat *statbuf = fill_statbuf(state);
+ const struct bfs_stat *statbuf = eval_bfs_stat(state);
if (!statbuf) {
return false;
}
- blkcnt_t expected = (statbuf->st_size + 511)/512;
- return statbuf->st_blocks < expected;
+ blkcnt_t expected = (statbuf->size + 511)/512;
+ return statbuf->blocks < expected;
}
/**
@@ -852,8 +840,8 @@ bool eval_xtype(const struct expr *expr, struct eval_state *state) {
// -xtype does the opposite of everything else
int at_flags = ftwbuf->at_flags ^ AT_SYMLINK_NOFOLLOW;
- struct stat sb;
- if (fstatat(ftwbuf->at_fd, ftwbuf->at_path, &sb, at_flags) != 0) {
+ struct bfs_stat sb;
+ if (bfs_stat(ftwbuf->at_fd, ftwbuf->at_path, at_flags, 0, &sb) != 0) {
if (!follow && is_nonexistence_error(errno)) {
// Broken symlink
return eval_type(expr, state);
@@ -863,7 +851,7 @@ bool eval_xtype(const struct expr *expr, struct eval_state *state) {
}
}
- return mode_to_typeflag(sb.st_mode) & expr->idata;
+ return mode_to_typeflag(sb.mode) & expr->idata;
}
#if _POSIX_MONOTONIC_CLOCK > 0