popt/findme.c

説明を見る。
00001 /** \ingroup popt
00002  * \file popt/findme.c
00003  */
00004 
00005 /* (C) 1998-2002 Red Hat, Inc. -- Licensing details are in the COPYING
00006    file accompanying popt source distributions, available from 
00007    ftp://ftp.rpm.org/pub/rpm/dist. */
00008 
00009 #include "system.h"
00010 #include "findme.h"
00011 
00012 const char * findProgramPath(const char * argv0) {
00013     char * path = getenv("PATH");
00014     char * pathbuf;
00015     char * start, * chptr;
00016     char * buf;
00017 
00018     if (argv0 == NULL) return NULL;     /* XXX can't happen */
00019     /* If there is a / in the argv[0], it has to be an absolute path */
00020     if (strchr(argv0, '/'))
00021         return xstrdup(argv0);
00022 
00023     if (path == NULL) return NULL;
00024 
00025     start = pathbuf = (char *)alloca(strlen(path) + 1);
00026     buf = (char *)malloc(strlen(path) + strlen(argv0) + sizeof("/"));
00027     if (buf == NULL) return NULL;       /* XXX can't happen */
00028     strcpy(pathbuf, path);
00029 
00030     chptr = NULL;
00031     /*@-branchstate@*/
00032     do {
00033         if ((chptr = strchr(start, ':')))
00034             *chptr = '\0';
00035         sprintf(buf, "%s/%s", start, argv0);
00036 
00037         if (!access(buf, X_OK))
00038             return buf;
00039 
00040         if (chptr) 
00041             start = chptr + 1;
00042         else
00043             start = NULL;
00044     } while (start && *start);
00045     /*@=branchstate@*/
00046 
00047     free(buf);
00048 
00049     return NULL;
00050 }

Sambaに対してSat Aug 29 21:23:13 2009に生成されました。  doxygen 1.4.7