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have_arg matches buf so it is no longer necessary, spotted by Tim van der

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Molen.
This commit is contained in:
Nicholas Marriott
2010-02-19 17:14:23 +00:00
parent 3a89d1ef7f
commit 24634b6281
1 changed files with 3 additions and 15 deletions
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18
cmd-string.c
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@@ -61,7 +61,7 @@ int
cmd_string_parse(const char *s, struct cmd_list **cmdlist, char **cause)
{
size_t p;
int ch, i, argc, rval, have_arg;
int ch, i, argc, rval;
char **argv, *buf, *t;
const char *whitespace, *equals;
size_t len;
@@ -72,8 +72,6 @@ cmd_string_parse(const char *s, struct cmd_list **cmdlist, char **cause)
buf = NULL;
len = 0;
have_arg = 0;
*cause = NULL;
*cmdlist = NULL;
@@ -90,8 +88,6 @@ cmd_string_parse(const char *s, struct cmd_list **cmdlist, char **cause)
strlcpy(buf + len, t, strlen(t) + 1);
len += strlen(t);
xfree(t);
have_arg = 1;
break;
case '"':
if ((t = cmd_string_string(s, &p, '"', 1)) == NULL)
@@ -100,8 +96,6 @@ cmd_string_parse(const char *s, struct cmd_list **cmdlist, char **cause)
strlcpy(buf + len, t, strlen(t) + 1);
len += strlen(t);
xfree(t);
have_arg = 1;
break;
case '$':
if ((t = cmd_string_variable(s, &p)) == NULL)
@@ -110,8 +104,6 @@ cmd_string_parse(const char *s, struct cmd_list **cmdlist, char **cause)
strlcpy(buf + len, t, strlen(t) + 1);
len += strlen(t);
xfree(t);
have_arg = 1;
break;
case '#':
/* Comment: discard rest of line. */
@@ -121,7 +113,7 @@ cmd_string_parse(const char *s, struct cmd_list **cmdlist, char **cause)
case EOF:
case ' ':
case '\t':
if (have_arg) {
if (buf != NULL) {
buf = xrealloc(buf, 1, len + 1);
buf[len] = '\0';
@@ -130,8 +122,6 @@ cmd_string_parse(const char *s, struct cmd_list **cmdlist, char **cause)
buf = NULL;
len = 0;
have_arg = 0;
}
if (ch != EOF)
@@ -156,7 +146,7 @@ cmd_string_parse(const char *s, struct cmd_list **cmdlist, char **cause)
rval = 0;
goto out;
case '~':
if (have_arg == 0) {
if (buf == NULL) {
if ((t = cmd_string_expand_tilde(s, &p)) == NULL)
goto error;
buf = xrealloc(buf, 1, len + strlen(t) + 1);
@@ -172,8 +162,6 @@ cmd_string_parse(const char *s, struct cmd_list **cmdlist, char **cause)
buf = xrealloc(buf, 1, len + 1);
buf[len++] = ch;
have_arg = 1;
break;
}
}