Fix some sloppiness in new PL/python get_source_line() function.

Jan Urbański

diff --git a/src/pl/plpython/plpython.c b/src/pl/plpython/plpython.c
index 935258044db5ff0a7e1b2268d04afca095527b73..47d898a9765401fe0ccf6adf563c5f9166df7ecf 100644 (file)
--- a/src/pl/plpython/plpython.c
+++ b/src/pl/plpython/plpython.c
@@ -4484,12 +4484,11 @@ cleanup:
 static char *
 get_source_line(const char *src, int lineno)
 {
-   const char *s;
-   const char *next;
-   int     current = 0;
+   const char  *s       = NULL;
+   const char  *next    = src;
+   int          current = 0;
 
-   next = src;
-   while (current != lineno)
+   while (current < lineno)
    {
        s = next;
        next = strchr(s + 1, '\n');
@@ -4501,7 +4500,7 @@ get_source_line(const char *src, int lineno)
    if (current != lineno)
        return NULL;
 
-   while (s && isspace((unsigned char) *s))
+   while (*s && isspace((unsigned char) *s))
        s++;
 
    if (next == NULL)