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-rw-r--r--tests/getprogname.c143
1 files changed, 127 insertions, 16 deletions
diff --git a/tests/getprogname.c b/tests/getprogname.c
index c824b47..62a4800 100644
--- a/tests/getprogname.c
+++ b/tests/getprogname.c
@@ -1,17 +1,17 @@
/* Program name management.
- Copyright (C) 2016-2018 Free Software Foundation, Inc.
+ Copyright (C) 2016-2022 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
+ it under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
#include <config.h>
@@ -43,7 +43,7 @@
# include <string.h>
#endif
-#ifdef __sgi
+#if defined __sgi || defined __osf__
# include <string.h>
# include <unistd.h>
# include <stdio.h>
@@ -51,7 +51,13 @@
# include <sys/procfs.h>
#endif
-#include "dirname.h"
+#if defined __SCO_VERSION__ || defined __sysv5__
+# include <fcntl.h>
+# include <stdlib.h>
+# include <string.h>
+#endif
+
+#include "basename-lgpl.h"
#ifndef HAVE_GETPROGNAME /* not Mac OS X, FreeBSD, NetBSD, OpenBSD >= 5.4, Cygwin */
char const *
@@ -70,10 +76,10 @@ getprogname (void)
p = "?";
return last_component (p);
# elif HAVE_DECL___ARGV /* mingw, MSVC */
- /* https://msdn.microsoft.com/en-us/library/dn727674.aspx */
+ /* https://docs.microsoft.com/en-us/cpp/c-runtime-library/argc-argv-wargv */
const char *p = __argv && __argv[0] ? __argv[0] : "?";
return last_component (p);
-# elif HAVE_VAR___PROGNAME /* OpenBSD, QNX */
+# elif HAVE_VAR___PROGNAME /* OpenBSD, Android, QNX */
/* https://man.openbsd.org/style.9 */
/* http://www.qnx.de/developers/docs/6.5.0/index.jsp?topic=%2Fcom.qnx.doc.neutrino_lib_ref%2Fp%2F__progname.html */
/* Be careful to declare this only when we absolutely need it
@@ -82,7 +88,11 @@ getprogname (void)
malfunction (have zero length) with Fedora 25's glibc. */
extern char *__progname;
const char *p = __progname;
+# if defined __ANDROID__
+ return last_component (p);
+# else
return p && p[0] ? p : "?";
+# endif
# elif _AIX /* AIX */
/* Idea by Bastien ROUCARIÈS,
https://lists.gnu.org/r/bug-gnulib/2010-12/msg00095.html
@@ -110,9 +120,73 @@ getprogname (void)
first = 0;
pid_t pid = getpid ();
struct pst_status status;
- p = (0 < pstat_getproc (&status, sizeof status, 0, pid)
- ? strdup (status.pst_ucomm)
- : NULL);
+ if (pstat_getproc (&status, sizeof status, 0, pid) > 0)
+ {
+ char *ucomm = status.pst_ucomm;
+ char *cmd = status.pst_cmd;
+ if (strlen (ucomm) < PST_UCOMMLEN - 1)
+ p = ucomm;
+ else
+ {
+ /* ucomm is truncated to length PST_UCOMMLEN - 1.
+ Look at cmd instead. */
+ char *space = strchr (cmd, ' ');
+ if (space != NULL)
+ *space = '\0';
+ p = strrchr (cmd, '/');
+ if (p != NULL)
+ p++;
+ else
+ p = cmd;
+ if (strlen (p) > PST_UCOMMLEN - 1
+ && memcmp (p, ucomm, PST_UCOMMLEN - 1) == 0)
+ /* p is less truncated than ucomm. */
+ ;
+ else
+ p = ucomm;
+ }
+ p = strdup (p);
+ }
+ else
+ {
+# if !defined __LP64__
+ /* Support for 32-bit programs running in 64-bit HP-UX.
+ The documented way to do this is to use the same source code
+ as above, but in a compilation unit where '#define _PSTAT64 1'
+ is in effect. I prefer a single compilation unit; the struct
+ size and the offsets are not going to change. */
+ char status64[1216];
+ if (__pstat_getproc64 (status64, sizeof status64, 0, pid) > 0)
+ {
+ char *ucomm = status64 + 288;
+ char *cmd = status64 + 168;
+ if (strlen (ucomm) < PST_UCOMMLEN - 1)
+ p = ucomm;
+ else
+ {
+ /* ucomm is truncated to length PST_UCOMMLEN - 1.
+ Look at cmd instead. */
+ char *space = strchr (cmd, ' ');
+ if (space != NULL)
+ *space = '\0';
+ p = strrchr (cmd, '/');
+ if (p != NULL)
+ p++;
+ else
+ p = cmd;
+ if (strlen (p) > PST_UCOMMLEN - 1
+ && memcmp (p, ucomm, PST_UCOMMLEN - 1) == 0)
+ /* p is less truncated than ucomm. */
+ ;
+ else
+ p = ucomm;
+ }
+ p = strdup (p);
+ }
+ else
+# endif
+ p = NULL;
+ }
if (!p)
p = "?";
}
@@ -150,12 +224,16 @@ getprogname (void)
free (buf.ps_pathptr);
}
return p;
-# elif defined __sgi /* IRIX */
+# elif defined __sgi || defined __osf__ /* IRIX or Tru64 */
char filename[50];
int fd;
- sprintf (filename, "/proc/pinfo/%d", (int) getpid ());
- fd = open (filename, O_RDONLY);
+ # if defined __sgi
+ sprintf (filename, "/proc/pinfo/%d", (int) getpid ());
+ # else
+ sprintf (filename, "/proc/%d", (int) getpid ());
+ # endif
+ fd = open (filename, O_RDONLY | O_CLOEXEC);
if (0 <= fd)
{
prpsinfo_t buf;
@@ -165,17 +243,50 @@ getprogname (void)
{
char *name = buf.pr_fname;
size_t namesize = sizeof buf.pr_fname;
+ /* It may not be NUL-terminated. */
char *namenul = memchr (name, '\0', namesize);
size_t namelen = namenul ? namenul - name : namesize;
char *namecopy = malloc (namelen + 1);
if (namecopy)
{
- namecopy[namelen] = 0;
+ namecopy[namelen] = '\0';
return memcpy (namecopy, name, namelen);
}
}
}
return NULL;
+# elif defined __SCO_VERSION__ || defined __sysv5__ /* SCO OpenServer6/UnixWare */
+ char buf[80];
+ int fd;
+ sprintf (buf, "/proc/%d/cmdline", getpid());
+ fd = open (buf, O_RDONLY);
+ if (0 <= fd)
+ {
+ size_t n = read (fd, buf, 79);
+ if (n > 0)
+ {
+ buf[n] = '\0'; /* Guarantee null-termination */
+ char *progname;
+ progname = strrchr (buf, '/');
+ if (progname)
+ {
+ progname = progname + 1; /* Skip the '/' */
+ }
+ else
+ {
+ progname = buf;
+ }
+ char *ret;
+ ret = malloc (strlen (progname) + 1);
+ if (ret)
+ {
+ strcpy (ret, progname);
+ return ret;
+ }
+ }
+ close (fd);
+ }
+ return "?";
# else
# error "getprogname module not ported to this OS"
# endif