Import sources from 2011-03-30 iso image

1 files changed, 86 insertions, 0 deletions

diff --git a/sys/src/cmd/webfs/util.c b/sys/src/cmd/webfs/util.c
new file mode 100755
index 000000000..b6788194e
--- /dev/null
+++ b/sys/src/cmd/webfs/util.c
@@ -0,0 +1,86 @@
+#include <u.h>
+#include <libc.h>
+#include <bio.h>
+#include <ndb.h>
+#include <fcall.h>
+#include <thread.h>
+#include <9p.h>
+#include <ctype.h>
+#include "dat.h"
+#include "fns.h"
+
+void*
+erealloc(void *a, uint n)
+{
+	a = realloc(a, n);
+	if(a == nil)
+		sysfatal("realloc %d: out of memory", n);
+	setrealloctag(a, getcallerpc(&a));
+	return a;
+}
+
+void*
+emalloc(uint n)
+{
+	void *a;
+
+	a = mallocz(n, 1);
+	if(a == nil)
+		sysfatal("malloc %d: out of memory", n);
+	setmalloctag(a, getcallerpc(&n));
+	return a;
+}
+
+char*
+estrdup(char *s)
+{
+	s = strdup(s);
+	if(s == nil)
+		sysfatal("strdup: out of memory");
+	setmalloctag(s, getcallerpc(&s));
+	return s;
+}
+
+char*
+estredup(char *s, char *e)
+{
+	char *t;
+
+	t = emalloc(e-s+1);
+	memmove(t, s, e-s);
+	t[e-s] = '\0';
+	setmalloctag(t, getcallerpc(&s));
+	return t;
+}
+
+char*
+estrmanydup(char *s, ...)
+{
+	char *p, *t;
+	int len;
+	va_list arg;
+
+	len = strlen(s);
+	va_start(arg, s);
+	while((p = va_arg(arg, char*)) != nil)
+		len += strlen(p);
+	len++;
+
+	t = emalloc(len);
+	strcpy(t, s);
+	va_start(arg, s);
+	while((p = va_arg(arg, char*)) != nil)
+		strcat(t, p);
+	return t;
+}
+
+char*
+strlower(char *s)
+{
+	char *t;
+
+	for(t=s; *t; t++)
+		if('A' <= *t && *t <= 'Z')
+			*t += 'a'-'A';
+	return s;
+}