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authorGravatar "Vladimir N. Oleynik" <dzo@simtreas.ru>2005-10-19 09:21:51 +0000
committerGravatar "Vladimir N. Oleynik" <dzo@simtreas.ru>2005-10-19 09:21:51 +0000
commit5cf9a03b3f7b9feb08f4aa4fc36f036b2f00614d (patch)
tree59c172d4dfecd04e30f11e741c78afc0f8666c56 /editors
parentbb20462cb34245037ecf92a0e7fc42b54b9e2d7b (diff)
downloadbusybox-5cf9a03b3f7b9feb08f4aa4fc36f036b2f00614d.tar.gz
busybox-5cf9a03b3f7b9feb08f4aa4fc36f036b2f00614d.tar.bz2
more const, attribute_noreturn saved 200 bytes
Diffstat (limited to 'editors')
-rw-r--r--editors/awk.c50
1 files changed, 26 insertions, 24 deletions
diff --git a/editors/awk.c b/editors/awk.c
index d00fcafb1..cb54d2597 100644
--- a/editors/awk.c
+++ b/editors/awk.c
@@ -324,7 +324,7 @@ static char * const tokenlist =
"\3END" "\0"
;
-static uint32_t tokeninfo[] = {
+static const uint32_t tokeninfo[] = {
0,
0,
@@ -420,14 +420,14 @@ static xhash *vhash, *ahash, *fdhash, *fnhash;
static char *programname;
static short lineno;
static int is_f0_split;
-static int nfields = 0;
-static var *Fields = NULL;
+static int nfields;
+static var *Fields;
static tsplitter fsplitter, rsplitter;
-static nvblock *cb = NULL;
+static nvblock *cb;
static char *pos;
static char *buf;
-static int icase = FALSE;
-static int exiting = FALSE;
+static int icase;
+static int exiting;
static struct {
uint32_t tclass;
@@ -444,8 +444,8 @@ static node *parse_expr(uint32_t);
static void chain_group(void);
static var *evaluate(node *, var *);
static rstream *next_input_file(void);
-static int fmt_num(char *, int, char *, double, int);
-static int awk_exit(int);
+static int fmt_num(char *, int, const char *, double, int);
+static int awk_exit(int) attribute_noreturn;
/* ---- error handling ---- */
@@ -462,10 +462,10 @@ static const char EMSG_UNDEF_FUNC[] = "Call to undefined function";
static const char EMSG_NO_MATH[] = "Math support is not compiled in";
#endif
+static void syntax_error(const char * const message) attribute_noreturn;
static void syntax_error(const char * const message)
{
- bb_error_msg("%s:%i: %s", programname, lineno, message);
- exit(1);
+ bb_error_msg_and_die("%s:%i: %s", programname, lineno, message);
}
#define runtime_error(x) syntax_error(x)
@@ -473,7 +473,7 @@ static void syntax_error(const char * const message)
/* ---- hash stuff ---- */
-static unsigned int hashidx(char *name)
+static unsigned int hashidx(const char *name)
{
register unsigned int idx=0;
@@ -494,7 +494,7 @@ static xhash *hash_init(void)
}
/* find item in hash, return ptr to data, NULL if not found */
-static void *hash_search(xhash *hash, char *name)
+static void *hash_search(xhash *hash, const char *name)
{
hash_item *hi;
@@ -536,7 +536,7 @@ static void hash_rebuild(xhash *hash)
}
/* find item in hash, add it if necessary. Return ptr to data */
-static void *hash_find(xhash *hash, char *name)
+static void *hash_find(xhash *hash, const char *name)
{
hash_item *hi;
unsigned int idx;
@@ -564,7 +564,7 @@ static void *hash_find(xhash *hash, char *name)
#define newfile(name) (rstream *) hash_find ( fdhash , (name) )
#define newfunc(name) (func *) hash_find ( fnhash , (name) )
-static void hash_remove(xhash *hash, char *name)
+static void hash_remove(xhash *hash, const char *name)
{
hash_item *hi, **phi;
@@ -589,7 +589,7 @@ static void skip_spaces(char **s)
register char *p = *s;
while(*p == ' ' || *p == '\t' ||
- (*p == '\\' && *(p+1) == '\n' && (++p, ++t.lineno))) {
+ (*p == '\\' && *(p+1) == '\n' && (++p, ++t.lineno))) {
p++;
}
*s = p;
@@ -682,13 +682,13 @@ static var *setvar_p(var *v, char *value)
}
/* same as setvar_p but make a copy of string */
-static var *setvar_s(var *v, char *value)
+static var *setvar_s(var *v, const char *value)
{
return setvar_p(v, (value && *value) ? bb_xstrdup(value) : NULL);
}
/* same as setvar_s but set USER flag */
-static var *setvar_u(var *v, char *value)
+static var *setvar_u(var *v, const char *value)
{
setvar_s(v, value);
v->type |= VF_USER;
@@ -696,7 +696,7 @@ static var *setvar_u(var *v, char *value)
}
/* set array element to user string */
-static void setari_u(var *a, int idx, char *s)
+static void setari_u(var *a, int idx, const char *s)
{
register var *v;
static char sidx[12];
@@ -749,7 +749,7 @@ static double getvar_i(var *v)
return v->number;
}
-static var *copyvar(var *dest, var *src)
+static var *copyvar(var *dest, const var *src)
{
if (dest != src) {
clrvar(dest);
@@ -852,9 +852,10 @@ static uint32_t next_token(uint32_t expected)
{
char *p, *pp, *s;
char *tl;
- uint32_t tc, *ti;
+ uint32_t tc;
+ const uint32_t *ti;
int l;
- static int concat_inserted = FALSE;
+ static int concat_inserted;
static uint32_t save_tclass, save_info;
static uint32_t ltclass = TC_OPTERM;
@@ -1725,10 +1726,11 @@ static int awk_getline(rstream *rsm, var *v)
return r;
}
-static int fmt_num(char *b, int size, char *format, double n, int int_as_int)
+static int fmt_num(char *b, int size, const char *format, double n, int int_as_int)
{
int r=0;
- char c, *s=format;
+ char c;
+ const char *s=format;
if (int_as_int && n == (int)n) {
r = snprintf(b, size, "%d", (int)n);
@@ -2569,7 +2571,7 @@ static int awk_exit(int r)
/* if expr looks like "var=value", perform assignment and return 1,
* otherwise return 0 */
-static int is_assignment(char *expr)
+static int is_assignment(const char *expr)
{
char *exprc, *s, *s0, *s1;