X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Ffindprog.c;h=1829197970be3d868b1904a50dd95f1cd4f3ebad;hb=6c9fb07ea3ac9139eac342691335bd13aa822eb4;hp=150056f330d9e23bcc45a0b83540a9ebf768d4ca;hpb=267a39bafd249d7eb9c37df06dc6defcf41cb343;p=gnulib.git diff --git a/lib/findprog.c b/lib/findprog.c index 150056f33..182919797 100644 --- a/lib/findprog.c +++ b/lib/findprog.c @@ -1,5 +1,5 @@ /* Locating a program in PATH. - Copyright (C) 2001-2004 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 @@ -17,9 +17,7 @@ Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ -#ifdef HAVE_CONFIG_H -# include "config.h" -#endif +#include /* Specification. */ #include "findprog.h" @@ -27,13 +25,10 @@ #include #include #include - -#ifdef HAVE_UNISTD_H -# include -#endif +#include #include "xalloc.h" -#include "pathname.h" +#include "filename.h" const char * @@ -47,7 +42,7 @@ find_in_path (const char *progname) #else /* Unix */ char *path; - char *dir; + char *path_rest; char *cp; if (strchr (progname, '/') != NULL) @@ -63,13 +58,15 @@ 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 +76,7 @@ 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 +89,10 @@ 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);