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Improvements to example program

This commit is contained in:
Michael Kerrisk 2007-07-26 17:03:33 +00:00
parent deb5e2810e
commit a15ae69ad6
1 changed files with 8 additions and 4 deletions
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12
man3/ftw.3
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@ -31,7 +31,7 @@
.\" reorganized and rewrote much of the page
.\" 2006-05-24, Michael Kerrisk <mtk-manpages@gmx.net>
.\" Added an example program.
.TH FTW 3 2006-05-24 "Linux" "Linux Programmer's Manual"
.TH FTW 3 2007-07-26 "Linux" "Linux Programmer's Manual"
.SH NAME
ftw, nftw \- file tree walk
.SH SYNOPSIS
@ -348,17 +348,18 @@ argument when calling
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdint.h>
static int
display_info(const char *fpath, const struct stat *sb,
int tflag, struct FTW *ftwbuf)
{
printf("%\-3s %2d %7lld %\-40s %d %s\\n",
printf("%\-3s %2d %7jd %\-40s %d %s\\n",
(tflag == FTW_D) ? "d" : (tflag == FTW_DNR) ? "dnr" :
(tflag == FTW_DP) ? "dp" : (tflag == FTW_F) ? "f" :
(tflag == FTW_NS) ? "ns" : (tflag == FTW_SL) ? "sl" :
(tflag == FTW_SLN) ? "sln" : "???",
ftwbuf\->level, (long long) sb\->st_size,
ftwbuf\->level, (intmax_t) sb\->st_size,
fpath, ftwbuf\->base, fpath + ftwbuf\->base);
return 0; /* To tell nftw() to continue */
}
@ -373,7 +374,10 @@ main(int argc, char *argv[])
if (argc > 2 && strchr(argv[2], 'p') != NULL)
flags |= FTW_PHYS;
nftw((argc < 2) ? "." : argv[1], display_info, 20, flags);
if (nftw((argc < 2) ? "." : argv[1], display_info, 20, flags) == \-1) {
perror("nftw");
exit(EXIT_FAILURE);
}
exit(EXIT_SUCCESS);
}
.fi