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import of dnsmasq-2.8.tar.gz

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This commit is contained in:
Simon Kelley
2004-05-13 20:27:08 +01:00
parent a84fa1d085
commit a222641cb0
12 changed files with 261 additions and 76 deletions
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26
src/util.c
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@@ -11,7 +11,7 @@
*/
/* Code in this file contributed by Rob Funk. */
/* Some code in this file contributed by Rob Funk. */
#include "dnsmasq.h"
@@ -85,6 +85,18 @@ unsigned short rand16(void)
return( (unsigned short) (rand() >> 15) );
}
int atoi_check(char *a, int *res)
{
char *p;
for (p = a; *p; p++)
if (*p < '0' || *p > '9')
return 0;
*res = atoi(a);
return 1;
}
int legal_char(char c)
{
/* check for legal char a-z A-Z 0-9 -
@@ -100,12 +112,18 @@ int legal_char(char c)
int canonicalise(char *s)
{
/* check for legal chars ans remove trailing . */
/* check for legal chars and remove trailing .
also fail empty string. */
int l = strlen(s);
char c;
if (l>0 && s[l-1] == '.')
s[l-1] = 0;
if (l == 0) return 0;
if (s[l-1] == '.')
{
if (l == 1) return 0;
s[l-1] = 0;
}
while ((c = *s++))
if (c != '.' && !legal_char(c))