In ./configure, select a RE syntax for word boundaries supported by libc;

issue reported by Svyatoslav Mishyn, Peter Bray, and Daniel Levai.

1 files changed, 26 insertions, 0 deletions

diff --git a/test-rewb-sysv.c b/test-rewb-sysv.c
new file mode 100644
index 00000000..cb35c544
--- /dev/null
+++ b/test-rewb-sysv.c
@@ -0,0 +1,26 @@
+#include <sys/types.h>
+#include <regex.h>
+
+int
+main(void)
+{
+	regex_t	 re;
+
+	if (regcomp(&re, "\\<word\\>", REG_EXTENDED | REG_NOSUB))
+		return 1;
+	if (regexec(&re, "the word is here", 0, NULL, 0))
+		return 2;
+	if (regexec(&re, "same word", 0, NULL, 0))
+		return 3;
+	if (regexec(&re, "word again", 0, NULL, 0))
+		return 4;
+	if (regexec(&re, "word", 0, NULL, 0))
+		return 5;
+	if (regexec(&re, "wordy", 0, NULL, 0) != REG_NOMATCH)
+		return 6;
+	if (regexec(&re, "sword", 0, NULL, 0) != REG_NOMATCH)
+		return 7;
+	if (regexec(&re, "reworded", 0, NULL, 0) != REG_NOMATCH)
+		return 8;
+	return 0;
+}