[hackers] [sbase][PATCH 2/4] ed: doread() minor refactoring

[Santtu Lakkala]

Swap n and len local variable names for clarity and matching getline()
documentation.
---
 ed.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/ed.c b/ed.c
index 288e01e..60a2c40 100644
--- a/ed.c
+++ b/ed.c
@@ -799,10 +799,10 @@ static void
 doread(const char *fname)
 {
        size_t cnt;
-       ssize_t n;
+       ssize_t len;
        char *p;
        FILE *aux;
-       static size_t len;
+       static size_t n;
        static char *s;
        static FILE *fp;
 
@@ -812,16 +812,16 @@ doread(const char *fname)
                error("cannot open input file");
 
        curln = line2;
-       for (cnt = 0; (n = getline(&s, &len, fp)) > 0; cnt += (size_t)n) {
+       for (cnt = 0; (len = getline(&s, &n, fp)) > 0; cnt += (size_t)len) {
                chksignals();
-               if (s[n-1] != '\n') {
-                       if (n + 1 >= len) {
-                               if (len == SIZE_MAX || !(p = realloc(s, ++len)))
+               if (s[len-1] != '\n') {
+                       if (len+1 >= n) {
+                               if (n == SIZE_MAX || !(p = realloc(s, ++n)))
                                        error("out of memory");
                                s = p;
                        }
-                       s[n] = '\n';
-                       s[n+1] = '\0';
+                       s[len] = '\n';
+                       s[len+1] = '\0';
                }
                inject(s, AFTER);
        }
-- 
2.42.0