Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / ipxe / src / core / misc.c

diff --git a/qemu/roms/ipxe/src/core/misc.c b/qemu/roms/ipxe/src/core/misc.c
new file mode 100644 (file)
index 0000000..eaceddf
--- /dev/null
+++ b/qemu/roms/ipxe/src/core/misc.c
@@ -0,0 +1,85 @@
+/**************************************************************************
+MISC Support Routines
+**************************************************************************/
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#include <stdlib.h>
+#include <ctype.h>
+#include <byteswap.h>
+#include <ipxe/in.h>
+#include <ipxe/timer.h>
+
+/**************************************************************************
+INET_ATON - Convert an ascii x.x.x.x to binary form
+**************************************************************************/
+int inet_aton ( const char *cp, struct in_addr *inp ) {
+       const char *p = cp;
+       const char *digits_start;
+       unsigned long ip = 0;
+       unsigned long val;
+       int j;
+       for(j = 0; j <= 3; j++) {
+               digits_start = p;
+               val = strtoul(p, ( char ** ) &p, 10);
+               if ((p == digits_start) || (val > 255)) return 0;
+               if ( ( j < 3 ) && ( *(p++) != '.' ) ) return 0;
+               ip = (ip << 8) | val;
+       }
+       if ( *p == '\0' ) {
+               inp->s_addr = htonl(ip);
+               return 1;
+       }
+       return 0;
+}
+
+unsigned int strtoul_charval ( unsigned int charval ) {
+
+       if ( charval >= 'a' ) {
+               charval = ( charval - 'a' + 10 );
+       } else if ( charval >= 'A' ) {
+               charval = ( charval - 'A' + 10 );
+       } else if ( charval <= '9' ) {
+               charval = ( charval - '0' );
+       }
+
+       return charval;
+}
+
+unsigned long strtoul ( const char *p, char **endp, int base ) {
+       unsigned long ret = 0;
+       int negative = 0;
+       unsigned int charval;
+
+       while ( isspace ( *p ) )
+               p++;
+
+       if ( *p == '-' ) {
+               negative = 1;
+               p++;
+       }
+
+       base = strtoul_base ( &p, base );
+
+       while ( 1 ) {
+               charval = strtoul_charval ( *p );
+               if ( charval >= ( unsigned int ) base )
+                       break;
+               ret = ( ( ret * base ) + charval );
+               p++;
+       }
+
+       if ( negative )
+               ret = -ret;
+
+       if ( endp )
+               *endp = ( char * ) p;
+
+       return ( ret );
+}
+
+/*
+ * Local variables:
+ *  c-basic-offset: 8
+ * End:
+ */