FIXME: free()

---
 pch.c |   32 +++++++++++++++++++++++++++++++-
 pch.h |    1 +
 2 files changed, 32 insertions(+), 1 deletion(-)

Index: b/pch.c
===================================================================
--- a/pch.c
+++ b/pch.c
@@ -68,6 +68,7 @@ static LINENUM p_sline;			/* and the lin
 static LINENUM p_hunk_beg;		/* line number of current hunk */
 static LINENUM p_efake = -1;		/* end of faked up lines--don't free */
 static LINENUM p_bfake = -1;		/* beg of faked up lines */
+static char *p_c_function;		/* the C function a hunk is in */
 
 enum nametype { OLD, NEW, INDEX, NONE };
 
@@ -888,6 +889,19 @@ another_hunk (enum diff difftype, bool r
 	    next_intuit_at(line_beginning,p_input_line);
 	    return chars_read == (size_t) -1 ? -1 : 0;
 	}
+	s = buf;
+	while (*s == '*')
+	    s++;
+	if (*s == ' ')
+	  {
+	    p_c_function = s;
+	    while (*s != '\n')
+		s++;
+	    *s = '\0';
+	    p_c_function = savestr (p_c_function);
+	  }
+	else
+	    p_c_function = NULL;
 	p_hunk_beg = p_input_line + 1;
 	while (p_end < p_max) {
 	    chars_read = get_line ();
@@ -1277,8 +1291,18 @@ another_hunk (enum diff difftype, bool r
 	else
 	    p_repl_lines = 1;
 	if (*s == ' ') s++;
-	if (*s != '@')
+	if (*s++ != '@')
 	    malformed ();
+	if (*s++ == '@' && *s == ' ' && *s != '\0')
+	  {
+	    p_c_function = s;
+	    while (*s != '\n')
+		s++;
+	    *s = '\0';
+	    p_c_function = savestr (p_c_function);
+	  }
+	else
+	    p_c_function = NULL;
 	if (!p_ptrn_lines)
 	    p_first++;			/* do append rather than insert */
 	if (!p_repl_lines)
@@ -1884,6 +1908,12 @@ pch_hunk_beg (void)
     return p_hunk_beg;
 }
 
+char const *
+pch_c_function (void)
+{
+    return p_c_function;
+}
+
 /* Is the newline-terminated line a valid `ed' command for patch
    input?  If so, return the command character; if not, return 0.
    This accepts accepts just a subset of the valid commands, but it's
Index: b/pch.h
===================================================================
--- a/pch.h
+++ b/pch.h
@@ -25,6 +25,7 @@
 LINENUM pch_end (void);
 LINENUM pch_first (void);
 LINENUM pch_hunk_beg (void);
+char const *pch_c_function (void);
 LINENUM pch_newfirst (void);
 LINENUM pch_prefix_context (void);
 LINENUM pch_ptrn_lines (void);