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-rw-r--r--usr.bin/find/printf.c161
1 files changed, 101 insertions, 60 deletions
diff --git a/usr.bin/find/printf.c b/usr.bin/find/printf.c
index 671d1d1dbb9a..c1be04376156 100644
--- a/usr.bin/find/printf.c
+++ b/usr.bin/find/printf.c
@@ -5,15 +5,18 @@
*/
#include <sys/types.h>
-#include <stdbool.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
+
#include <err.h>
+#include <errno.h>
#include <fts.h>
#include <grp.h>
#include <pwd.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
#include <time.h>
+#include <unistd.h>
#include "find.h"
@@ -32,7 +35,7 @@ isesc(char c)
return (c >= 'a' && c <= 'v' && esc[c - 'a'] != c);
}
-static const char *
+static char *
escape(const char *str, bool *flush, bool *warned)
{
char c;
@@ -147,7 +150,6 @@ fp_strftime(FILE *fp, time_t t, char mod)
gmtime_r(&t, &tm);
fmt[1] = mod;
- printf("fmt is '%s'\n", fmt);
if (strftime(buffer, sizeof(buffer), fmt, &tm) == 0)
errx(1, "Format bad or data too long for buffer"); /* Can't really happen ??? */
fputs(buffer, fp);
@@ -156,36 +158,36 @@ fp_strftime(FILE *fp, time_t t, char mod)
void
do_printf(PLAN *plan, FTSENT *entry, FILE *fout)
{
- const char *fmt, *path, *pend, *all;
- char c;
- FILE *fp;
+ char buf[4096];
+ struct stat sb;
+ struct stat *sp;
+ const char *path, *pend;
+ char *all, *fmt;
+ ssize_t ret;
+ int c;
bool flush, warned;
- struct stat *sb;
- char *tmp;
- size_t tmplen;
- fp = open_memstream(&tmp, &tmplen);
warned = (plan->flags & F_HAS_WARNED) != 0;
all = fmt = escape(plan->c_data, &flush, &warned);
if (warned)
plan->flags |= F_HAS_WARNED;
- sb = entry->fts_statp;
for (c = *fmt++; c; c = *fmt++) {
+ sp = entry->fts_statp;
if (c != '%') {
- putc(c, fp);
+ putc(c, fout);
continue;
}
c = *fmt++;
/* Style(9) deviation: case order same as gnu find info doc */
switch (c) {
case '%':
- putc(c, fp);
+ putc(c, fout);
break;
case 'p': /* Path to file */
- fputs(entry->fts_path, fp);
+ fputs(entry->fts_path, fout);
break;
case 'f': /* filename w/o dirs */
- fputs(entry->fts_name, fp);
+ fputs(entry->fts_name, fout);
break;
case 'h':
/*
@@ -195,98 +197,139 @@ do_printf(PLAN *plan, FTSENT *entry, FILE *fout)
path = entry->fts_path;
pend = strrchr(path, '/');
if (pend == NULL)
- putc('.', fp);
- else {
- char *t = malloc(pend - path + 1);
- memcpy(t, path, pend - path);
- t[pend - path] = '\0';
- fputs(t, fp);
- free(t);
- }
+ putc('.', fout);
+ else
+ fwrite(path, pend - path, 1, fout);
break;
case 'P': /* file with command line arg rm'd -- HOW? fts_parent? */
errx(1, "%%%c is unimplemented", c);
case 'H': /* Command line arg -- HOW? */
errx(1, "%%%c is unimplemented", c);
case 'g': /* gid human readable */
- fputs(group_from_gid(sb->st_gid, 0), fp);
+ fputs(group_from_gid(sp->st_gid, 0), fout);
break;
case 'G': /* gid numeric */
- fprintf(fp, "%d", sb->st_gid);
+ fprintf(fout, "%d", sp->st_gid);
break;
case 'u': /* uid human readable */
- fputs(user_from_uid(sb->st_uid, 0), fp);
+ fputs(user_from_uid(sp->st_uid, 0), fout);
break;
case 'U': /* uid numeric */
- fprintf(fp, "%d", sb->st_uid);
+ fprintf(fout, "%d", sp->st_uid);
break;
case 'm': /* mode in octal */
- fprintf(fp, "%o", sb->st_mode & 07777);
+ fprintf(fout, "%o", sp->st_mode & 07777);
break;
- case 'M': { /* Mode in ls-standard form */
- char mode[12];
- strmode(sb->st_mode, mode);
- fputs(mode, fp);
+ case 'M': /* Mode in ls-standard form */
+ strmode(sp->st_mode, buf);
+ fwrite(buf, 10, 1, fout);
break;
- }
case 'k': /* kbytes used by file */
- fprintf(fp, "%jd", (intmax_t)sb->st_blocks / 2);
+ fprintf(fout, "%jd", (intmax_t)sp->st_blocks / 2);
break;
case 'b': /* blocks used by file */
- fprintf(fp, "%jd", (intmax_t)sb->st_blocks);
+ fprintf(fout, "%jd", (intmax_t)sp->st_blocks);
break;
case 's': /* size in bytes of file */
- fprintf(fp, "%ju", (uintmax_t)sb->st_size);
+ fprintf(fout, "%ju", (uintmax_t)sp->st_size);
break;
case 'S': /* sparseness of file */
- fprintf(fp, "%3.1f",
- (float)sb->st_blocks * 512 / (float)sb->st_size);
+ fprintf(fout, "%3.1f",
+ (float)sp->st_blocks * 512 / (float)sp->st_size);
break;
case 'd': /* Depth in tree */
- fprintf(fp, "%ld", entry->fts_level);
+ fprintf(fout, "%ld", entry->fts_level);
break;
case 'D': /* device number */
- fprintf(fp, "%ju", (uintmax_t)sb->st_dev);
+ fprintf(fout, "%ju", (uintmax_t)sp->st_dev);
break;
case 'F': /* Filesystem type */
errx(1, "%%%c is unimplemented", c);
case 'l': /* object of symbolic link */
- fprintf(fp, "%s", entry->fts_accpath);
+ ret = readlink(entry->fts_accpath, buf, sizeof(buf));
+ if (ret > 0)
+ fwrite(buf, ret, 1, fout);
break;
case 'i': /* inode # */
- fprintf(fp, "%ju", (uintmax_t)sb->st_ino);
+ fprintf(fout, "%ju", (uintmax_t)sp->st_ino);
break;
case 'n': /* number of hard links */
- fprintf(fp, "%ju", (uintmax_t)sb->st_nlink);
+ fprintf(fout, "%ju", (uintmax_t)sp->st_nlink);
break;
- case 'y': /* -type of file, incl 'l' */
- errx(1, "%%%c is unimplemented", c);
case 'Y': /* -type of file, following 'l' types L loop ? error */
- errx(1, "%%%c is unimplemented", c);
+ if (S_ISLNK(sp->st_mode)) {
+ if (stat(entry->fts_accpath, &sb) != 0) {
+ switch (errno) {
+ case ELOOP:
+ putc('L', fout);
+ break;
+ case ENOENT:
+ putc('N', fout);
+ break;
+ default:
+ putc('?', fout);
+ break;
+ }
+ break;
+ }
+ sp = &sb;
+ }
+ /* FALLTHROUGH */
+ case 'y': /* -type of file, incl 'l' */
+ switch (sp->st_mode & S_IFMT) {
+ case S_IFIFO:
+ putc('p', fout);
+ break;
+ case S_IFCHR:
+ putc('c', fout);
+ break;
+ case S_IFDIR:
+ putc('d', fout);
+ break;
+ case S_IFBLK:
+ putc('b', fout);
+ break;
+ case S_IFREG:
+ putc('f', fout);
+ break;
+ case S_IFLNK:
+ putc('l', fout);
+ break;
+ case S_IFSOCK:
+ putc('s', fout);
+ break;
+ case S_IFWHT:
+ putc('w', fout);
+ break;
+ default:
+ putc('U', fout);
+ break;
+ }
+ break;
case 'a': /* access time ctime */
- fp_ctime(fp, sb->st_atime);
+ fp_ctime(fout, sp->st_atime);
break;
case 'A': /* access time with next char strftime format */
- fp_strftime(fp, sb->st_atime, *fmt++);
+ fp_strftime(fout, sp->st_atime, *fmt++);
break;
case 'B': /* birth time with next char strftime format */
#ifdef HAVE_STRUCT_STAT_ST_BIRTHTIME
- if (sb->st_birthtime != 0)
- fp_strftime(fp, sb->st_birthtime, *fmt);
+ if (sp->st_birthtime != 0)
+ fp_strftime(fout, sp->st_birthtime, *fmt);
#endif
fmt++;
break; /* blank on systems that don't support it */
case 'c': /* status change time ctime */
- fp_ctime(fp, sb->st_ctime);
+ fp_ctime(fout, sp->st_ctime);
break;
case 'C': /* status change time with next char strftime format */
- fp_strftime(fp, sb->st_ctime, *fmt++);
+ fp_strftime(fout, sp->st_ctime, *fmt++);
break;
case 't': /* modification change time ctime */
- fp_ctime(fp, sb->st_mtime);
+ fp_ctime(fout, sp->st_mtime);
break;
case 'T': /* modification time with next char strftime format */
- fp_strftime(fp, sb->st_mtime, *fmt++);
+ fp_strftime(fout, sp->st_mtime, *fmt++);
break;
case 'Z': /* empty string for compat SELinux context string */
break;
@@ -299,9 +342,7 @@ do_printf(PLAN *plan, FTSENT *entry, FILE *fout)
errx(1, "Unknown format %c '%s'", c, all);
}
}
- fputs(tmp, fout);
if (flush)
fflush(fout);
- free(__DECONST(char *, fmt));
- free(tmp);
+ free(all);
}