100 lines
2.5 KiB
C
100 lines
2.5 KiB
C
/*-------------------------------------------------------------------------
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MySystem - SDCC Support function
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Written By - Sandeep Dutta . sandeep.dutta@usa.net (1999)
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This program is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation; either version 2, or (at your option) any
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later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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In other words, you are welcome to use, share and improve this program.
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You are forbidden to forbid anyone else to use, share and improve
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what you give them. Help stamp out software-hoarding!
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-------------------------------------------------------------------------*/
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#include "common.h"
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#include "newalloc.h"
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#if defined(_MSC_VER)
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#include <io.h>
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#else
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#include <sys/stat.h>
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#endif
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#if !defined(__BORLANDC__) && !defined(_MSC_VER)
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#include <unistd.h>
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#else
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// No unistd.h in Borland C++
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extern int access (const char *, int);
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#define X_OK 1
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#endif
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/*!
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Call an external program with arguements
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*/
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//char *ExePathList[]= {SRCDIR "/bin",PREFIX "/bin", NULL};
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char *ExePathList[] = {NULL, NULL}; /* First entry may be overwritten, so use two. */
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int
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my_system (const char *cmd)
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{
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int argsStart, e, i = 0;
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char *cmdLine = NULL;
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argsStart = strstr (cmd, " ") - cmd;
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// try to find the command in predefined path's
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while (ExePathList[i])
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{
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cmdLine = (char *) Safe_alloc (strlen (ExePathList[i]) + strlen (cmd) + 10);
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strcpy (cmdLine, ExePathList[i]); // the path
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strcat (cmdLine, DIR_SEPARATOR_STRING);
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strncat (cmdLine, cmd, argsStart); // the command
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#if NATIVE_WIN32
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strcat (cmdLine, ".exe");
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#endif
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if (access (cmdLine, X_OK) == 0)
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{
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// the arguments
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strcat (cmdLine, cmd + argsStart);
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break;
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}
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Safe_free (cmdLine);
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cmdLine = NULL;
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i++;
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}
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if (verboseExec)
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{
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printf ("+ %s\n", cmdLine ? cmdLine : cmd);
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}
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if (cmdLine)
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{
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// command found in predefined path
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e = system (cmdLine);
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Safe_free (cmdLine);
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}
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else
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{
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// trust on $PATH
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e = system (cmd);
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}
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return e;
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}
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