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bpf: use is_whitespace()

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Wherever blanks are permissible in input, tabs ought to be permissible,
too. This is particularly relevant when -f is passed to gas (alongside
appropriate input). Various redundant nul char checks are also dropped,
where adjacent. At the same time use is_end_of_stmt() instead of an
open-coded nul char check.
This commit is contained in:
Jan Beulich
2025-02-03 11:55:54 +01:00
parent 3d782a7988
commit 72c260c6af
1 changed files with 9 additions and 9 deletions
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18
gas/config/tc-bpf.c
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@@ -1274,7 +1274,7 @@ parse_expression (char *s, expressionS *exp)
these whitespaces. */
{
char *p;
for (p = s - 1; p >= saved_s && *p == ' '; --p)
for (p = s - 1; p >= saved_s && is_whitespace (*p); --p)
--s;
}
@@ -1501,7 +1501,7 @@ md_assemble (char *str ATTRIBUTE_UNUSED)
if (*p == ' ')
{
/* Expect zero or more spaces. */
while (*s != '\0' && (*s == ' ' || *s == '\t'))
while (is_whitespace (*s))
s += 1;
p += 1;
}
@@ -1520,20 +1520,20 @@ md_assemble (char *str ATTRIBUTE_UNUSED)
else if (*(p + 1) == 'w')
{
/* Expect zero or more spaces. */
while (*s != '\0' && (*s == ' ' || *s == '\t'))
while (is_whitespace (*s))
s += 1;
p += 2;
}
else if (*(p + 1) == 'W')
{
/* Expect one or more spaces. */
if (*s != ' ' && *s != '\t')
if (!is_whitespace (*s))
{
PARSE_ERROR ("expected white space, got '%s'",
s);
break;
}
while (*s != '\0' && (*s == ' ' || *s == '\t'))
while (is_whitespace (*s))
s += 1;
p += 2;
}
@@ -1620,7 +1620,7 @@ md_assemble (char *str ATTRIBUTE_UNUSED)
if (p[1] == 'I')
{
while (*s == ' ' || *s == '\t')
while (is_whitespace (*s))
s += 1;
if (*s != '+' && *s != '-')
{
@@ -1643,7 +1643,7 @@ md_assemble (char *str ATTRIBUTE_UNUSED)
{
char *exp = NULL;
while (*s == ' ' || *s == '\t')
while (is_whitespace (*s))
s += 1;
if (*s != '+' && *s != '-')
{
@@ -1735,9 +1735,9 @@ md_assemble (char *str ATTRIBUTE_UNUSED)
if (*p == '\0')
{
/* Allow white spaces at the end of the line. */
while (*s != '\0' && (*s == ' ' || *s == '\t'))
while (is_whitespace (*s))
s += 1;
if (*s == '\0')
if (is_end_of_stmt (*s))
/* We parsed an instruction successfully. */
break;
PARSE_ERROR ("extra junk at end of line");