Add gPXE into the source tree; build unified imagesyslinux-3.70-pre7

1 files changed, 91 insertions, 0 deletions

diff --git a/gpxe/src/core/misc.c b/gpxe/src/core/misc.c
new file mode 100644
index 00000000..1f51272d
--- /dev/null
+++ b/gpxe/src/core/misc.c
@@ -0,0 +1,91 @@
+/**************************************************************************
+MISC Support Routines
+**************************************************************************/
+
+#include <stdlib.h>
+#include <byteswap.h>
+#include <gpxe/in.h>
+#include <gpxe/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;
+}
+
+int isspace ( int c ) {
+	switch ( c ) {
+	case ' ':
+	case '\f':
+	case '\n':
+	case '\r':
+	case '\t':
+	case '\v':
+		return 1;
+	default:
+		return 0;
+	}
+}
+
+unsigned long strtoul ( const char *p, char **endp, int base ) {
+	unsigned long ret = 0;
+	unsigned int charval;
+
+	while ( isspace ( *p ) )
+		p++;
+
+	if ( base == 0 ) {
+		base = 10;
+		if ( *p == '0' ) {
+			p++;
+			base = 8;
+			if ( ( *p | 0x20 ) == 'x' ) {
+				p++;
+				base = 16;
+			}
+		}
+	}
+
+	while ( 1 ) {
+		charval = *p;
+		if ( charval >= 'a' ) {
+			charval = ( charval - 'a' + 10 );
+		} else if ( charval >= 'A' ) {
+			charval = ( charval - 'A' + 10 );
+		} else if ( charval <= '9' ) {
+			charval = ( charval - '0' );
+		}
+		if ( charval >= ( unsigned int ) base )
+			break;
+		ret = ( ( ret * base ) + charval );
+		p++;
+	}
+
+	if ( endp )
+		*endp = ( char * ) p;
+
+	return ( ret );
+}
+
+/*
+ * Local variables:
+ *  c-basic-offset: 8
+ * End:
+ */