Import sources from 2011-03-30 iso image

1 files changed, 67 insertions, 0 deletions

diff --git a/sys/src/cmd/aquarela/smbrep.c b/sys/src/cmd/aquarela/smbrep.c
new file mode 100755
index 000000000..923ad851a
--- /dev/null
+++ b/sys/src/cmd/aquarela/smbrep.c
@@ -0,0 +1,67 @@
+#include "headers.h"
+
+int
+smbmatch(char *name, Reprog *rep)
+{
+	Resub sub;
+	sub.sp = nil;
+	sub.ep = nil;
+	if (regexec(rep, name, &sub, 1) && sub.sp == name && *sub.ep == 0)
+		return 1;
+	return 0;
+}
+
+Reprog *
+smbmkrep(char *pattern)
+{
+	Reprog *r;
+	int l;
+	char *tmp, *p, *q, *t;
+	l = strlen(pattern);
+	tmp = smbemalloc(l * 5 + 1);
+	t = tmp;
+	p = pattern;
+	while (*p) {
+		if (*p == '*') {
+			if (p[1] == '.') {
+				strcpy(t, "[^.]*");
+				t += 5;
+				p++;
+			}
+			else {
+				*t++ = '.';
+				*t++ = '*';
+				p++;
+			}
+		}
+		else if (*p == '?') {
+			for (q = p + 1; *q && *q == '?'; q++)
+				;
+			if (*q == 0 || *q == '.') {
+				/* at most n copies */
+				strcpy(t, "[^.]?");
+				t += 5;
+				p++;
+			}
+			else {
+				/* exactly n copies */
+				strcpy(t, "[^.]");
+				t += 4;
+				p++;
+			}
+		}
+		else if (strchr(".+{}()|\\^$", *p) != 0) {
+			/* regexp meta */
+			*t++ = '\\';
+			*t++ = *p++;
+		}
+		else
+			*t++ = *p++;
+	}
+	*t = 0;
+	smblogprintif(smbglobals.log.rep, "%s => %s\n", pattern, tmp);
+	r = regcomp(tmp);
+	free(tmp);
+	return r;
+}
+