awk: remove a local variable "caching" a struct member

Since we take its address, the variable lives on stack (not a GPR).
Thus, nothing is improved by caching it.

function                                             old     new   delta
awk_getline                                          642     639      -3

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 4 insertions, 6 deletions

diff --git a/editors/awk.c b/editors/awk.c
index 22f52417d..4a0eb9281 100644
--- a/editors/awk.c
+++ b/editors/awk.c
@@ -2236,7 +2236,7 @@ static int awk_getline(rstream *rsm, var *v)
 {
         char *b;
         regmatch_t pmatch[1];
-        int size, a, p, pp = 0;
+        int a, p, pp = 0;
         int fd, so, eo, r, rp;
         char c, *m, *s;
 
@@ -2249,12 +2249,11 @@ static int awk_getline(rstream *rsm, var *v)
         m = rsm->buffer;
         a = rsm->adv;
         p = rsm->pos;
-        size = rsm->size;
         c = (char) rsplitter.n.info;
         rp = 0;
 
         if (!m)
-                m = qrealloc(m, 256, &size);
+                m = qrealloc(m, 256, &rsm->size);
 
         do {
                 b = m + a;
@@ -2298,10 +2297,10 @@ static int awk_getline(rstream *rsm, var *v)
                         a = 0;
                 }
 
-                m = qrealloc(m, a+p+128, &size);
+                m = qrealloc(m, a+p+128, &rsm->size);
                 b = m + a;
                 pp = p;
-                p += safe_read(fd, b+p, size-p-1);
+                p += safe_read(fd, b+p, rsm->size - p - 1);
                 if (p < pp) {
                         p = 0;
                         r = 0;
@@ -2325,7 +2324,6 @@ static int awk_getline(rstream *rsm, var *v)
         rsm->buffer = m;
         rsm->adv = a + eo;
         rsm->pos = p - eo;
-        rsm->size = size;
 
         debug_printf_eval("returning from %s(): %d\n", __func__, r);