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#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <ctype.h>
#include <pwd.h>
#include <sys/types.h>
#include <glib.h>
#include "file.h"
char *
homedir (int uid)
{
char *s;
static int usr_uid = -1;
static char *usr_s = NULL;
struct passwd *pwd;
if (usr_uid < 0)
usr_uid = getuid ();
if ((uid == usr_uid) && (usr_s))
{
return (g_strdup (usr_s));
}
pwd = getpwuid (uid);
if (pwd)
{
s = g_strdup (pwd->pw_dir);
if (uid == usr_uid)
usr_s = g_strdup (s);
return (s);
}
return (g_strdup
((getenv ("TMPDIR") == NULL) ? "/tmp" : getenv ("TMPDIR")));
}
char *
field (char *s, int field)
{
char buf[4096];
buf[0] = 0;
fword (s, field + 1, buf);
if (buf[0])
{
if ((!strcmp (buf, "NULL")) || (!strcmp (buf, "(null)")))
return (NULL);
return (g_strdup (buf));
}
return NULL;
}
void
fword (char *s, int num, char *wd)
{
char *cur, *start, *end;
int count, inword, inquote, len;
if (!s)
return;
if (!wd)
return;
*wd = 0;
if (num <= 0)
return;
cur = s;
count = 0;
inword = 0;
inquote = 0;
start = NULL;
end = NULL;
while ((*cur) && (count < num))
{
if (inword)
{
if (inquote)
{
if (*cur == '"')
{
inquote = 0;
inword = 0;
end = cur;
count++;
}
}
else
{
if (isspace (*cur))
{
end = cur;
inword = 0;
count++;
}
}
}
else
{
if (!isspace (*cur))
{
if (*cur == '"')
{
inquote = 1;
start = cur + 1;
}
else
start = cur;
inword = 1;
}
}
if (count == num)
break;
cur++;
}
if (!start)
return;
if (!end)
end = cur;
if (end <= start)
return;
len = (int) (end - start);
if (len > 4000)
len = 4000;
if (len > 0)
{
strncpy (wd, start, len);
wd[len] = 0;
}
return;
}
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