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[SCM] GNU M4 source repository branch, branch-1.4, updated. v1.4.14-10-g
From: |
Eric Blake |
Subject: |
[SCM] GNU M4 source repository branch, branch-1.4, updated. v1.4.14-10-gdadaf5f |
Date: |
Mon, 30 Aug 2010 21:56:57 +0000 |
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- Log -----------------------------------------------------------------
commit dadaf5f2d58ffd484bd5141fc808552b8f17467d
Author: Eric Blake <address@hidden>
Date: Mon Aug 30 15:52:27 2010 -0600
Clean up compiler warnings.
* src/builtin.c (m4_patsubst): Drop dead store.
* src/eval.c (unary_term): Likewise.
* src/input.c (match_input): Likewise. Also drop useless casts to
void.
* src/symtab.c (symtab_debug): Drop useless casts.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 7 +++++++
src/builtin.c | 1 -
src/eval.c | 3 +--
src/input.c | 10 +++++-----
src/symtab.c | 5 +----
5 files changed, 14 insertions(+), 12 deletions(-)
diff --git a/ChangeLog b/ChangeLog
index ec3852a..01a45fe 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,12 @@
2010-08-30 Eric Blake <address@hidden>
+ Clean up compiler warnings.
+ * src/builtin.c (m4_patsubst): Drop dead store.
+ * src/eval.c (unary_term): Likewise.
+ * src/input.c (match_input): Likewise. Also drop useless casts to
+ void.
+ * src/symtab.c (symtab_debug): Drop useless casts.
+
Test previous commit.
* doc/m4.texinfo (Format): Add a test.
* NEWS: Document the fix.
diff --git a/src/builtin.c b/src/builtin.c
index 6efa901..4b714f8 100644
--- a/src/builtin.c
+++ b/src/builtin.c
@@ -2130,7 +2130,6 @@ m4_patsubst (struct obstack *obs, int argc, token_data
**argv)
length = strlen (victim);
offset = 0;
- matchpos = 0;
while (offset <= length)
{
matchpos = re_search (&buf, victim, length,
diff --git a/src/eval.c b/src/eval.c
index 40ca3a2..4c00b19 100644
--- a/src/eval.c
+++ b/src/eval.c
@@ -789,12 +789,11 @@ exp_term (eval_token et, int32_t *v1)
static eval_error
unary_term (eval_token et, int32_t *v1)
{
- eval_token et2 = et;
eval_error er;
if (et == PLUS || et == MINUS || et == NOT || et == LNOT)
{
- et2 = eval_lex (v1);
+ eval_token et2 = eval_lex (v1);
if (et2 == ERROR)
return UNKNOWN_INPUT;
diff --git a/src/input.c b/src/input.c
index 6d8eee1..c16f6f1 100644
--- a/src/input.c
+++ b/src/input.c
@@ -614,14 +614,14 @@ match_input (const char *s, bool consume)
if (s[1] == '\0')
{
if (consume)
- (void) next_char ();
+ next_char ();
return true; /* short match */
}
- (void) next_char ();
- for (n = 1, t = s++; (ch = peek_input ()) == to_uchar (*s++); )
+ next_char ();
+ for (n = 1, t = s++; peek_input () == to_uchar (*s++); )
{
- (void) next_char ();
+ next_char ();
n++;
if (*s == '\0') /* long match */
{
@@ -883,7 +883,7 @@ next_token (token_data *td, int *line)
while ((ch = peek_input ()) != CHAR_EOF && (isalnum (ch) || ch == '_'))
{
obstack_1grow (&token_stack, ch);
- (void) next_char ();
+ next_char ();
}
type = TOKEN_WORD;
}
diff --git a/src/symtab.c b/src/symtab.c
index 7012cbe..6519a87 100644
--- a/src/symtab.c
+++ b/src/symtab.c
@@ -374,10 +374,7 @@ symtab_debug (void)
if (s == NULL)
xprintf ("Name `%s' is unknown\n", text);
- if (delete)
- (void) lookup_symbol (text, SYMBOL_DELETE);
- else
- (void) lookup_symbol (text, SYMBOL_INSERT);
+ lookup_symbol (text, delete ? SYMBOL_DELETE : SYMBOL_INSERT);
}
symtab_print_list (i++);
}
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