vi: code shrink

function                                             old     new   delta
colon                                               4005    3989     -16

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

1 files changed, 17 insertions, 15 deletions

diff --git a/editors/vi.c b/editors/vi.c
index 814a63a7b..13f79ed10 100644
--- a/editors/vi.c
+++ b/editors/vi.c
@@ -2849,16 +2849,16 @@ static void colon(char *buf)
         }
         not_implemented(p);
 #else
-        char c, *q, *r;
-        char *fn, cmd[MAX_INPUT_LEN], *args;
-        char *exp = NULL;
-        char *useforce;
+        char cmd[MAX_INPUT_LEN], *args;
         int cmdlen;
+        char *useforce;
+        char *q, *r;
         int b, e;
 // check how many addresses we got
 # define GOT_ADDRESS (got & 1)
 # define GOT_RANGE   ((got & 3) == 3)
         unsigned got;
+        char *exp = NULL; // may hold expand_args() result: if VI_COLON_EXPAND, needs freeing!
 
         // :3154        // if (-e line 3154) goto it  else stay put
         // :4,33w! foo  // write a portion of buffer to file "foo"
@@ -2880,8 +2880,6 @@ static void colon(char *buf)
         if (!*buf || *buf == '"')
                 goto ret;               // ignore empty lines or those starting with '"'
 
-        fn = current_filename;
-
         // look for optional address(es)  ":." ":1" ":1,9" ":'q,'a" ":%"
         b = e = -1;
         got = 0;
@@ -2901,11 +2899,9 @@ static void colon(char *buf)
 
         // assume the command will want a range, certain commands
         // (read, substitute) need to adjust these assumptions
-        if (!GOT_ADDRESS) {
-                q = text;                       // no addr, use 1,$ for the range
-                r = end - 1;
-        } else {
-                // at least one addr was given, get its details
+        q = text;          // if no addr, use 1,$ for the range
+        r = end - 1;
+        if (GOT_ADDRESS) { // at least one addr was given, get its details
                 int lines;
                 if (e < 0
                  || e > (lines = count_lines(text, end - 1))
@@ -2971,16 +2967,18 @@ static void colon(char *buf)
                 dot_skip_over_ws();
         } else if (strncmp(cmd, "edit", cmdlen) == 0) { // Edit a file
                 int size;
+                char *fn;
 
                 // don't edit, if the current file has been modified
                 if (modified_count && !useforce) {
                         status_line_bold("No write since last change (:%s! overrides)", cmd);
                         goto ret;
                 }
+                fn = current_filename;
                 if (args[0]) {
                         // the user supplied a file name
-                        fn = exp = expand_args(args);
-                        if (exp == NULL)
+                        fn = expand_args(args);
+                        if (fn == NULL)
                                 goto ret;
                 } else if (current_filename == NULL) {
                         // no user file name, no current name- punt
@@ -3041,6 +3039,7 @@ static void colon(char *buf)
                 go_bottom_and_clear_to_eol();
                 puts("\r");
                 for (; q <= r; q++) {
+                        char c;
                         int c_is_no_print;
 
                         c = *q;
@@ -3102,11 +3101,12 @@ static void colon(char *buf)
                 editing = 0;
         } else if (strncmp(cmd, "read", cmdlen) == 0) { // read file into text[]
                 int size, num;
+                char *fn = current_filename;
 
                 if (args[0]) {
                         // the user supplied a file name
-                        fn = exp = expand_args(args);
-                        if (exp == NULL)
+                        fn = expand_args(args);
+                        if (fn == NULL)
                                 goto ret;
                         init_filename(fn);
                 } else if (current_filename == NULL) {
@@ -3195,6 +3195,7 @@ static void colon(char *buf)
 
 # if ENABLE_FEATURE_VI_SEARCH
         } else if (cmd[0] == 's') {     // substitute a pattern with a replacement pattern
+                char c;
                 char *F, *R, *flags;
                 size_t len_F, len_R;
                 int i;
@@ -3341,6 +3342,7 @@ static void colon(char *buf)
         ) {
                 int size, l;
                 //int forced = FALSE;
+                char *fn = current_filename;
 
                 // is there a file name to write to?
                 if (args[0]) {