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#ifndef lint |
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static const char RCSid[] = "$Id: gethomedir.c,v 1.3 2019/07/21 16:48:34 greg Exp $"; |
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#endif |
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/* |
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* gethomedir.c - search for a users home directory |
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* |
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*/ |
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|
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#include "copyright.h" |
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|
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#include <stdlib.h> |
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|
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#include "rtio.h" |
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|
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#if defined(_WIN32) || defined(_WIN64) |
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|
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char * |
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gethomedir(char *uname, char *path, int plen) |
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{ |
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char *cd, *cp; |
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|
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if (uname == NULL || *uname == '\0') { /* ours */ |
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/* pretend we're on unix first (eg. for Cygwin) */ |
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if ((cp = getenv("HOME")) != NULL) { |
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strlcpy(path, cp, plen); |
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return path; |
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} |
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/* now let's see what Windows thinks */ |
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if ((cd = getenv("HOMEDRIVE")) != NULL |
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&& (cp = getenv("HOMEPATH")) != NULL) { |
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strlcpy(path, cd, plen); |
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strlcat(path, cp, plen); |
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return path; |
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} |
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return NULL; |
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} |
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/* No idea how to find the home directory of another user */ |
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return NULL; |
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} |
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|
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#else /* _WIN32 || _WIN64 */ |
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|
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|
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#include <unistd.h> |
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#include <pwd.h> |
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#include <sys/types.h> |
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|
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char * |
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gethomedir(char *uname, char *path, int plen) |
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{ |
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struct passwd *pwent; |
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uid_t uid; |
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char *cp; |
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|
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if (uname == NULL || *uname == '\0') { /* ours */ |
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if ((cp = getenv("HOME")) != NULL) { |
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strlcpy(path, cp, plen); |
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return path; |
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} |
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uid = getuid(); |
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if ((pwent = getpwuid(uid)) == NULL) |
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return(NULL); /* we don't exist ?!? */ |
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strlcpy(path, pwent->pw_dir, plen); |
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return path; |
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} |
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/* someone else */ |
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if ((pwent = getpwnam(uname)) == NULL) |
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return(NULL); /* no such user */ |
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|
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strlcpy(path, pwent->pw_dir, plen); |
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return path; |
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} |
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|
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#endif /* _WIN32 || _WIN64 */ |
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|
