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protect against some null strings, make formats more uniform

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git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@234 f882894a-f735-0410-b71e-b25c423dba1c
This commit is contained in:
Karl DeBisschop 2003-01-03 03:24:17 +00:00
parent 6f1fc7e3a0
commit 86bf45146e
1 changed files with 52 additions and 32 deletions
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84
plugins/utils.c
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@ -165,6 +165,9 @@ is_dotted_quad (char *address)
int o1, o2, o3, o4;
char c[1];
if (!address)
return FALSE;
if (sscanf (address, "%d.%d.%d.%d%c", &o1, &o2, &o3, &o4, c) != 4)
return FALSE;
else if (o1 > 255 || o2 > 255 || o3 > 255 || o4 > 255)
@ -185,18 +188,18 @@ is_dotted_quad (char *address)
int
is_hostname (char *s1)
{
if (strlen (s1) > 63)
if (!s1 || strlen (s1) > 63) {
return FALSE;
if (strcspn
(s1,
"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUWVXYZ0123456789-.") !=
0) return FALSE;
if (strspn (s1, "0123456789-.") == 1)
}
if (strcspn (s1, "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUWVXYZ0123456789-.") != 0) {
return FALSE;
}
if (strspn (s1, "0123456789-.") == 1) {
return FALSE;
}
while ((s1 = index (s1, '.'))) {
s1++;
if (strspn (s1, "0123456789-.") == 1) {
printf ("%s\n", s1);
return FALSE;
}
}
@ -208,33 +211,40 @@ is_numeric (char *number)
{
char tmp[1];
float x;
if (sscanf (number, "%f%c", &x, tmp) == 1)
return (TRUE);
return (FALSE);
if (!number)
return FALSE;
else if (sscanf (number, "%f%c", &x, tmp) == 1)
return TRUE;
else
return FALSE;
}
int
is_positive (char *number)
{
if (is_numeric (number) && atof (number) > 0.0)
return (TRUE);
return (FALSE);
return TRUE;
else
return FALSE;
}
int
is_negative (char *number)
{
if (is_numeric (number) && atof (number) < 0.0)
return (TRUE);
return (FALSE);
return TRUE;
else
return FALSE;
}
int
is_nonnegative (char *number)
{
if (is_numeric (number) && atof (number) >= 0.0)
return (TRUE);
return (FALSE);
return TRUE;
else
return FALSE;
}
int
@ -242,8 +252,9 @@ is_percentage (char *number)
{
int x;
if (is_numeric (number) && (x = atof (number)) >= 0 && x <= 100)
return (TRUE);
return (FALSE);
return TRUE;
else
return FALSE;
}
int
@ -251,37 +262,42 @@ is_integer (char *number)
{
long int n;
if (strspn (number, "-0123456789 ") != strlen (number))
return (FALSE);
if (!number || (strspn (number, "-0123456789 ") != strlen (number)))
return FALSE;
n = strtol (number, NULL, 10);
if (errno != ERANGE && n >= INT_MIN && n <= INT_MAX)
return (TRUE);
return (FALSE);
return TRUE;
else
return FALSE;
}
int
is_intpos (char *number)
{
if (is_integer (number) && atoi (number) > 0)
return (TRUE);
return (FALSE);
return TRUE;
else
return FALSE;
}
int
is_intneg (char *number)
{
if (is_integer (number) && atoi (number) < 0)
return (TRUE);
return (FALSE);
return TRUE;
else
return FALSE;
}
int
is_intnonneg (char *number)
{
if (is_integer (number) && atoi (number) >= 0)
return (TRUE);
return (FALSE);
return TRUE;
else
return FALSE;
}
int
@ -289,16 +305,20 @@ is_intpercent (char *number)
{
int i;
if (is_integer (number) && (i = atoi (number)) >= 0 && i <= 100)
return (TRUE);
return (FALSE);
return TRUE;
else
return FALSE;
}
int
is_option (char *str)
{
if (strspn (str, "-") == 1 || strspn (str, "-") == 2)
if (!str)
return FALSE;
else if (strspn (str, "-") == 1 || strspn (str, "-") == 2)
return TRUE;
return FALSE;
else
return FALSE;
}