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Add -W/--writable function to checkpath

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Checkpath -W will use access(3p) to determine whether or not a path is
writable. This is more accurate than test(1p) because it also takes into
account whether or not the filesystem is mounted read-only.

Modified by William Hubbs to add the man page update.
This commit is contained in:
Christian Ruppert
2012-01-25 23:18:08 +01:00
committed by William Hubbs
parent 5d441dd376
commit 7ea5c614d9
2 changed files with 14 additions and 2 deletions
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11
src/rc/checkpath.c
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@@ -185,8 +185,8 @@ parse_owner(struct passwd **user, struct group **group, const char *owner)
}
#include "_usage.h"
#define extraopts "path1 path2 ..."
#define getoptstring "dDfFpm:o:" getoptstring_COMMON
#define extraopts "path1 [path2] [...]"
#define getoptstring "dDfFpm:o:W:" getoptstring_COMMON
static const struct option longopts[] = {
{ "directory", 0, NULL, 'd'},
{ "directory-truncate", 0, NULL, 'D'},
@@ -195,6 +195,7 @@ static const struct option longopts[] = {
{ "pipe", 0, NULL, 'p'},
{ "mode", 1, NULL, 'm'},
{ "owner", 1, NULL, 'o'},
{ "writable", 1, NULL, 'W'},
longopts_COMMON
};
static const char * const longopts_help[] = {
@@ -205,6 +206,7 @@ static const char * const longopts_help[] = {
"Create a named pipe (FIFO) if not exists",
"Mode to check",
"Owner to check (user:group)",
"Check whether the path is writable or not",
longopts_help_COMMON
};
#include "_usage.c"
@@ -249,6 +251,11 @@ checkpath(int argc, char **argv)
eerrorx("%s: owner `%s' not found",
applet, optarg);
break;
case 'W':
if (argv[optind] != NULL)
ewarn("-W/--writable takes only one path, everything else will be ignored");
exit(!is_writable(optarg));
break;
case_RC_COMMON_GETOPT
}