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dthelp/Initialize.c: coverity CID 89569; unbounded src buf

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This commit is contained in:
Jon Trulson 2018-04-01 14:16:18 -06:00
parent 0843325a43
commit cd70f1660d
1 changed files with 23 additions and 20 deletions
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43
cde/programs/dthelp/dthelpprint/Initialize.c
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@ -34,15 +34,17 @@ $COPYRIGHT$:
(c) Copyright 1993, 1994 Unix System Labs, Inc., a subsidiary of Novell, Inc.
==$END$==============================================================*/
#endif /*DOC*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <pwd.h>
#include <ctype.h>
#include <unistd.h>
#include <sys/param.h> /* MAXPATHLEN */
#include <sys/stat.h> /* mkdir */
#include <sys/types.h>
#include <X11/Xlibint.h> /* _XGetHostname() */
@ -623,29 +625,30 @@ static char *GetHomeDir (
char *dest)
{ /*$CODE$*/
uid_t uid;
extern char *getenv();
extern uid_t getuid();
extern struct passwd *getpwuid(), *getpwnam();
struct passwd *pw;
register char *ptr;
char *ptr;
if((ptr = getenv("HOME")) != NULL)
if((ptr = getenv("HOME")) != NULL)
{
(void) strcpy(dest, ptr);
}
else
snprintf(dest, MAXPATHLEN, "%s", ptr);
}
else
{
if((ptr = getenv("USER")) != NULL)
{
pw = getpwnam(ptr);
}
else
{
uid = getuid();
pw = getpwuid(uid);
}
if (pw) (void) strcpy(dest, pw->pw_dir);
else *dest = '\0';
if((ptr = getenv("USER")) != NULL)
{
char user[MAXPATHLEN];
snprintf(user, MAXPATHLEN, "%s", ptr);
pw = getpwnam(user);
}
else
{
uid = getuid();
pw = getpwuid(uid);
}
if (pw)
snprintf(dest, MAXPATHLEN, "%s", pw->pw_dir);
else
*dest = '\0';
}
return dest;
} /*$END$*/