ref: f6e18c39070cc5c9d51d5aec71539eda66efcdf7
parent: 9e1124cb460b1bdfc52c18b299fe0a7d56c5270a
author: Ali Gholami Rudi <[email protected]>
date: Sun Nov 25 14:45:56 EST 2012
tr: remove the superfluous argc argument of macros
--- a/reg.c
+++ b/reg.c
@@ -20,10 +20,10 @@
return o;
}
-void tr_nr(int argc, char **args)
+void tr_nr(char **args)
{
int id;
- if (argc < 3)
+ if (!args[2])
return;
id = REG(args[1][0], args[1][1]);
nreg[id] = tr_int(args[2], nreg[id], 'u');
--- a/ren.c
+++ b/ren.c
@@ -91,15 +91,15 @@
words[0].blanks = 0;
}
-void tr_br(int argc, char **args)
+void tr_br(char **args)
{
req_br = 1;
}
-void tr_sp(int argc, char **args)
+void tr_sp(char **args)
{
- tr_br(0, NULL);
- if (argc > 1)
+ tr_br(NULL);
+ if (args[1])
req_sp = tr_int(args[1], 0, 'v');
}
@@ -110,9 +110,9 @@
n_s = ps;
}
-void tr_ps(int argc, char **args)
+void tr_ps(char **args)
{
- if (argc >= 2)
+ if (args[1])
ren_ps(args[1]);
}
@@ -125,17 +125,17 @@
}
}
-void tr_ft(int argc, char **args)
+void tr_ft(char **args)
{
- if (argc > 1)
+ if (args[1])
ren_ft(args[1]);
}
-void tr_fp(int argc, char **args)
+void tr_fp(char **args)
{
- if (argc < 3)
+ if (!args[2])
return;
- if (dev_mnt(atoi(args[1]), args[2], argc > 3 ? args[3] : args[2]) < 0)
+ if (dev_mnt(atoi(args[1]), args[2], args[3] ? args[3] : args[2]) < 0)
errmsg("troff: failed to mount %s\n", args[2]);
}
@@ -200,7 +200,7 @@
int r_s = n_s;
int r_f = n_f;
int esc = 0;
- tr_br(0, NULL);
+ tr_br(NULL);
while (nextchar(c) > 0) {
g = NULL;
if (!word && (wid > n_l || req_br))
--- a/tr.c
+++ b/tr.c
@@ -72,21 +72,21 @@
return rel ? orig + n : n;
}
-static void tr_ll(int argc, char **args)
+static void tr_ll(char **args)
{
- if (argc >= 2)
+ if (args[1])
n_l = tr_int(args[1], n_l, 'm');
}
-static void tr_vs(int argc, char **args)
+static void tr_vs(char **args)
{
- if (argc >= 2)
+ if (args[1])
n_v = tr_int(args[1], n_v, 'p');
}
-static void tr_ds(int argc, char **args)
+static void tr_ds(char **args)
{
- if (argc < 3)
+ if (!args[2])
return;
str_set(REG(args[1][0], args[1][1]), args[2]);
}
@@ -93,7 +93,7 @@
static char *arg_regname(char *s, int len);
-static void tr_de(int argc, char **args)
+static void tr_de(char **args)
{
struct sbuf sbuf;
char buf[4];
@@ -100,9 +100,9 @@
int end[4] = {'.'};
int c;
int i;
- if (argc <= 1)
+ if (!args[1])
return;
- if (argc > 2 && args[2]) {
+ if (args[2]) {
end[0] = args[2][0];
end[1] = args[2][1];
}
@@ -129,13 +129,13 @@
sbuf_done(&sbuf);
}
-static void tr_in(int argc, char **args)
+static void tr_in(char **args)
{
- if (argc >= 2)
+ if (args[1])
n_i = tr_int(args[1], n_i, 'm');
}
-static void tr_na(int argc, char **args)
+static void tr_na(char **args)
{
n_ad = 0;
}
@@ -212,13 +212,13 @@
}
/* read macro arguments */
-static int mkargs(char **args, int maxargs, char *buf, int len)
+static int mkargs(char **args, char *buf, int len)
{
char *s = buf;
char *e = buf + len - 1;
int c;
int n = 0;
- while (n < maxargs) {
+ while (n < NARGS) {
c = cp_next();
if (c < 0 || c == '\n')
return n;
@@ -231,7 +231,7 @@
}
/* read arguments for .ds */
-static int mkargs_ds(char **args, int maxargs, char *buf, int len)
+static int mkargs_ds(char **args, char *buf, int len)
{
char *s = buf;
char *e = buf + len - 1;
@@ -247,19 +247,19 @@
}
/* read arguments for commands .nr that expect a register name */
-static int mkargs_reg1(char **args, int maxargs, char *buf, int len)
+static int mkargs_reg1(char **args, char *buf, int len)
{
char *s = buf;
char *e = buf + len - 1;
args[0] = s;
s = arg_regname(s, e - s);
- return mkargs(args + 1, maxargs - 1, s, e - s) + 1;
+ return mkargs(args + 1, s, e - s) + 1;
}
static struct cmd {
char *id;
- void (*f)(int argc, char **args);
- int (*args)(char **args, int maxargs, char *buf, int len);
+ void (*f)(char **args);
+ int (*args)(char **args, char *buf, int len);
} cmds[] = {
{"br", tr_br},
{"de", tr_de, mkargs_reg1},
@@ -279,7 +279,7 @@
{
int c = cp_next();
int nl = c == '\n';
- char *args[NARGS + 1] = {NULL};
+ char *args[NARGS + 3] = {NULL};
char cmd[RLEN];
char buf[LNLEN];
struct cmd *req = NULL;
@@ -295,12 +295,12 @@
req = &cmds[i];
if (req) {
if (req->args)
- argc = req->args(args + 1, NARGS, buf, sizeof(buf));
+ argc = req->args(args + 1, buf, sizeof(buf));
else
- argc = mkargs(args + 1, NARGS, buf, sizeof(buf));
- req->f(argc + 1, args);
+ argc = mkargs(args + 1, buf, sizeof(buf));
+ req->f(args);
} else {
- argc = mkargs(args + 1, NARGS, buf, sizeof(buf));
+ argc = mkargs(args + 1, buf, sizeof(buf));
if (str_get(REG(cmd[1], cmd[2])))
in_push(str_get(REG(cmd[1], cmd[2])), args + 1);
}
--- a/xroff.h
+++ b/xroff.h
@@ -96,12 +96,12 @@
void output(char *s); /* output the given rendered line */
/* troff commands */
-void tr_br(int argc, char **args);
-void tr_sp(int argc, char **args);
-void tr_nr(int argc, char **args);
-void tr_ps(int argc, char **args);
-void tr_ft(int argc, char **args);
-void tr_fp(int argc, char **args);
+void tr_br(char **args);
+void tr_sp(char **args);
+void tr_nr(char **args);
+void tr_ps(char **args);
+void tr_ft(char **args);
+void tr_fp(char **args);
/* helpers */
void errmsg(char *msg, ...);