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/* Relative (relocatable) prefix support.
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/* Relative (relocatable) prefix support.
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Copyright (C) 1987, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
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Copyright (C) 1987, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
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1999, 2000, 2001, 2002, 2006 Free Software Foundation, Inc.
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1999, 2000, 2001, 2002, 2006, 2012 Free Software Foundation, Inc.
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This file is part of libiberty.
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This file is part of libiberty.
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GCC is free software; you can redistribute it and/or modify it under
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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the terms of the GNU General Public License as published by the Free
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Line 56... |
#include <stdlib.h>
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#include <stdlib.h>
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#endif
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#endif
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#ifdef HAVE_UNISTD_H
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#include <unistd.h>
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#endif
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#endif
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#ifdef HAVE_SYS_STAT_H
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#include <sys/stat.h>
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#endif
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#include <string.h>
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#include <string.h>
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#include "ansidecl.h"
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#include "ansidecl.h"
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#include "libiberty.h"
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#include "libiberty.h"
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temp = getenv ("PATH");
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temp = getenv ("PATH");
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if (temp)
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if (temp)
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{
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{
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char *startp, *endp, *nstore;
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char *startp, *endp, *nstore;
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size_t prefixlen = strlen (temp) + 1;
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size_t prefixlen = strlen (temp) + 1;
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size_t len;
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if (prefixlen < 2)
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if (prefixlen < 2)
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prefixlen = 2;
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prefixlen = 2;
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nstore = (char *) alloca (prefixlen + strlen (progname) + 1);
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len = prefixlen + strlen (progname) + 1;
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#ifdef HAVE_HOST_EXECUTABLE_SUFFIX
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len += strlen (HOST_EXECUTABLE_SUFFIX);
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#endif
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nstore = (char *) alloca (len);
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startp = endp = temp;
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startp = endp = temp;
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while (1)
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while (1)
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{
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{
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if (*endp == PATH_SEPARATOR || *endp == 0)
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if (*endp == PATH_SEPARATOR || *endp == 0)
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Line 269... |
nstore[1] = DIR_SEPARATOR;
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nstore[1] = DIR_SEPARATOR;
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nstore[2] = '\0';
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nstore[2] = '\0';
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}
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}
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else
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else
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{
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{
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strncpy (nstore, startp, endp - startp);
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memcpy (nstore, startp, endp - startp);
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if (! IS_DIR_SEPARATOR (endp[-1]))
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if (! IS_DIR_SEPARATOR (endp[-1]))
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{
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{
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nstore[endp - startp] = DIR_SEPARATOR;
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nstore[endp - startp] = DIR_SEPARATOR;
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nstore[endp - startp + 1] = 0;
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nstore[endp - startp + 1] = 0;
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}
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}
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Line 285... |
#ifdef HAVE_HOST_EXECUTABLE_SUFFIX
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#ifdef HAVE_HOST_EXECUTABLE_SUFFIX
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|| ! access (strcat (nstore, HOST_EXECUTABLE_SUFFIX), X_OK)
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|| ! access (strcat (nstore, HOST_EXECUTABLE_SUFFIX), X_OK)
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#endif
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#endif
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)
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)
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{
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{
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#if defined (HAVE_SYS_STAT_H) && defined (S_ISREG)
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struct stat st;
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if (stat (nstore, &st) >= 0 && S_ISREG (st.st_mode))
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#endif
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{
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progname = nstore;
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progname = nstore;
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break;
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break;
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}
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}
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}
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if (*endp == 0)
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if (*endp == 0)
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break;
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break;
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endp = startp = endp + 1;
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endp = startp = endp + 1;
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}
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}
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