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tools/nxstyle: Fix false alarm 'Garbage follows right bracket' on named structures that are fields of other structures or unions.

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This commit is contained in:
Gregory Nutt 2019-11-19 11:32:57 -06:00
parent b58ccc96e4
commit f3c2022b4e
1 changed files with 50 additions and 7 deletions
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57
tools/nxstyle.c
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@ -1074,18 +1074,61 @@ int main(int argc, char **argv, char **envp)
line[n + 1] != ',' &&
line[n + 1] != ';')
{
/* One case where there may be garbage after the right
* bracket is, for example, when declaring a until or
* structure variable using an un-named union or
* structure.
int sndx = n + 1;
/* Skip over spaces */
while (line[sndx] == ' ')
{
sndx++;
}
/* One possibility is that the right bracket is
* followed by an identifier then a semi-colon.
* Comma is possible to but would be a case of
* multiple declaration of multiple instances.
*/
if (prevdnest <= 0 || dnest > 0)
if (line[sndx] == '_' || isalpha(line[sndx]))
{
/* REVISIT: Generates false alarms on named structures
* that are fields of other structures or unions.
int endx = sndx;
/* Skip to the end of the identifier. Checking
* for mixed case identifiers will be done
* elsewhere.
*/
while (line[endx] == '_' ||
isalnum(line[endx]))
{
endx++;
}
/* Handle according to what comes after the
* identifier.
*/
if (strncmp(&line[sndx], "while", 5) == 0)
{
fprintf(stderr,
"'while' must be on a separate line %d:%d\n",
lineno, sndx);
}
else if (line[endx] == ',')
{
fprintf(stderr,
"Multiple data definitions on line %d:%d\n",
lineno, endx);
}
else if (line[endx] != ';')
{
fprintf(stderr,
"Garbage follows right bracket at line %d:%d\n",
lineno, n);
}
}
else
{
fprintf(stderr,
"Garbage follows right bracket at line %d:%d\n",
lineno, n);