X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Ffindprog.c;h=3b8cd39bcda9de7359c4faa9c8e5df459a279c68;hb=6c38d72875ec56c4b2c250717d458e70b2cb97ef;hp=48c3edf6c5c9227d50e71b72964bff16880b291b;hpb=3964b40991c1676eb0a982a1e93d57224663cc17;p=gnulib.git diff --git a/lib/findprog.c b/lib/findprog.c index 48c3edf6c..3b8cd39bc 100644 --- a/lib/findprog.c +++ b/lib/findprog.c @@ -1,11 +1,11 @@ /* Locating a program in PATH. - Copyright (C) 2001-2003 Free Software Foundation, Inc. + Copyright (C) 2001-2004, 2006-2007 Free Software Foundation, Inc. Written by Bruno Haible , 2001. - This program is free software; you can redistribute it and/or modify + 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 2, or (at your option) - any later version. + the Free Software Foundation; either version 3 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 @@ -13,13 +13,10 @@ GNU General Public License for more details. You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + along with this program. If not, see . */ -#ifdef HAVE_CONFIG_H -# include "config.h" -#endif +#include /* Specification. */ #include "findprog.h" @@ -27,27 +24,24 @@ #include #include #include - -#ifdef HAVE_UNISTD_H -# include -#endif +#include #include "xalloc.h" -#include "pathname.h" +#include "filename.h" const char * find_in_path (const char *progname) { -#if defined _WIN32 || defined __WIN32__ || defined __EMX__ || defined __DJGPP__ - /* Win32, OS/2, DOS */ +#if defined _WIN32 || defined __WIN32__ || defined __CYGWIN__ || defined __EMX__ || defined __DJGPP__ + /* Win32, Cygwin, OS/2, DOS */ /* The searching rules with .COM, .EXE, .BAT, .CMD etc. suffixes are too complicated. Leave it to the OS. */ return progname; #else /* Unix */ char *path; - char *dir; + char *path_rest; char *cp; if (strchr (progname, '/') != NULL) @@ -63,13 +57,15 @@ find_in_path (const char *progname) /* Make a copy, to prepare for destructive modifications. */ path = xstrdup (path); - for (dir = path; ; dir = cp + 1) + for (path_rest = path; ; path_rest = cp + 1) { + const char *dir; bool last; char *progpathname; /* Extract next directory in PATH. */ - for (cp = dir; *cp != '\0' && *cp != ':'; cp++) + dir = path_rest; + for (cp = path_rest; *cp != '\0' && *cp != ':'; cp++) ; last = (*cp == '\0'); *cp = '\0'; @@ -79,7 +75,7 @@ find_in_path (const char *progname) dir = "."; /* Concatenate dir and progname. */ - progpathname = concatenated_pathname (dir, progname, NULL); + progpathname = concatenated_filename (dir, progname, NULL); /* On systems which have the eaccess() system call, let's use it. On other systems, let's hope that this program is not installed @@ -92,10 +88,10 @@ find_in_path (const char *progname) { free (progpathname); - /* Add the "./" prefix for real, that concatenated_pathname() + /* Add the "./" prefix for real, that concatenated_filename() optimized away. This avoids a second PATH search when the caller uses execlp/execvp. */ - progpathname = xmalloc (2 + strlen (progname) + 1); + progpathname = XNMALLOC (2 + strlen (progname) + 1, char); progpathname[0] = '.'; progpathname[1] = '/'; memcpy (progpathname + 2, progname, strlen (progname) + 1);