[PATCH v4 1/2] Make the skip_blank_lines() function public

[Johannes Schindelin]

This function will be used also in the find_commit_subject() function.

While at it, rename the function to reflect that it skips not only
empty lines, but any lines consisting of only whitespace, too.

Signed-off-by: Johannes Schindelin <johannes.schinde...@gmx.de>
---
 commit.h |  1 +
 pretty.c | 16 ++++++++--------
 2 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/commit.h b/commit.h
index b06db4d..5b78f83 100644
--- a/commit.h
+++ b/commit.h
@@ -177,6 +177,7 @@ extern const char *format_subject(struct strbuf *sb, const 
char *msg,
                                  const char *line_separator);
 extern void userformat_find_requirements(const char *fmt, struct 
userformat_want *w);
 extern int commit_format_is_empty(enum cmit_fmt);
+extern const char *skip_blank_lines(const char *msg);
 extern void format_commit_message(const struct commit *commit,
                                  const char *format, struct strbuf *sb,
                                  const struct pretty_print_context *context);
diff --git a/pretty.c b/pretty.c
index c3ec430..3b6bff7 100644
--- a/pretty.c
+++ b/pretty.c
@@ -507,7 +507,7 @@ void pp_user_info(struct pretty_print_context *pp,
        }
 }
 
-static int is_empty_line(const char *line, int *len_p)
+static int is_blank_line(const char *line, int *len_p)
 {
        int len = *len_p;
        while (len && isspace(line[len - 1]))
@@ -516,14 +516,14 @@ static int is_empty_line(const char *line, int *len_p)
        return !len;
 }
 
-static const char *skip_empty_lines(const char *msg)
+const char *skip_blank_lines(const char *msg)
 {
        for (;;) {
                int linelen = get_one_line(msg);
                int ll = linelen;
                if (!linelen)
                        break;
-               if (!is_empty_line(msg, &ll))
+               if (!is_blank_line(msg, &ll))
                        break;
                msg += linelen;
        }
@@ -875,7 +875,7 @@ const char *format_subject(struct strbuf *sb, const char 
*msg,
                int linelen = get_one_line(line);
 
                msg += linelen;
-               if (!linelen || is_empty_line(line, &linelen))
+               if (!linelen || is_blank_line(line, &linelen))
                        break;
 
                if (!sb)
@@ -894,11 +894,11 @@ static void parse_commit_message(struct 
format_commit_context *c)
        const char *msg = c->message + c->message_off;
        const char *start = c->message;
 
-       msg = skip_empty_lines(msg);
+       msg = skip_blank_lines(msg);
        c->subject_off = msg - start;
 
        msg = format_subject(NULL, msg, NULL);
-       msg = skip_empty_lines(msg);
+       msg = skip_blank_lines(msg);
        c->body_off = msg - start;
 
        c->commit_message_parsed = 1;
@@ -1711,7 +1711,7 @@ void pp_remainder(struct pretty_print_context *pp,
                if (!linelen)
                        break;
 
-               if (is_empty_line(line, &linelen)) {
+               if (is_blank_line(line, &linelen)) {
                        if (first)
                                continue;
                        if (pp->fmt == CMIT_FMT_SHORT)
@@ -1782,7 +1782,7 @@ void pretty_print_commit(struct pretty_print_context *pp,
        }
 
        /* Skip excess blank lines at the beginning of body, if any... */
-       msg = skip_empty_lines(msg);
+       msg = skip_blank_lines(msg);
 
        /* These formats treat the title line specially. */
        if (pp->fmt == CMIT_FMT_ONELINE || pp->fmt == CMIT_FMT_EMAIL)
-- 
2.9.0.118.g0e1a633


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