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Restrict-qualify glob and its functions

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glob is restrict-qualified in the standard
This commit is contained in:
Rose 2024-08-13 11:09:30 -04:00 committed by Todd C. Miller
parent 82eac2b413
commit e9e0096a19
2 changed files with 35 additions and 34 deletions
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2
include/compat/glob.h
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@ -69,7 +69,7 @@ typedef struct {
#define GLOB_NOMATCH (-3) /* No match and GLOB_NOCHECK not set. */
#define GLOB_NOSYS (-4) /* Function not supported. */
sudo_dso_public int sudo_glob(const char *, int, int (*)(const char *, int), glob_t *);
sudo_dso_public int sudo_glob(const char * restrict, int, int (*)(const char *, int), glob_t * restrict);
sudo_dso_public void sudo_globfree(glob_t *);
#define glob(_a, _b, _c, _d) sudo_glob((_a), (_b), (_c), (_d))

67
lib/util/glob.c
View File

@ -138,33 +138,33 @@ struct glob_lim {
};
static int compare(const void *, const void *);
static int g_Ctoc(const Char *, char *, size_t);
static int g_lstat(Char *, struct stat *, glob_t *);
static int g_Ctoc(const Char * restrict, char * restrict, size_t);
static int g_lstat(Char * restrict, struct stat * restrict, glob_t *restrict);
static DIR *g_opendir(Char *, glob_t *);
static Char *g_strchr(const Char *, int);
static int g_strncmp(const Char *, const char *, size_t);
static int g_stat(Char *, struct stat *, glob_t *);
static int glob0(const Char *, glob_t *, struct glob_lim *);
static int glob1(Char *, Char *, glob_t *, struct glob_lim *);
static int g_stat(Char * restrict, struct stat * restrict, glob_t * restrict);
static int glob0(const Char * restrict, glob_t * restrict, struct glob_lim * restrict);
static int glob1(Char *, Char *, glob_t * restrict, struct glob_lim * restrict);
static int glob2(Char *, Char *, Char *, Char *, Char *, Char *,
glob_t *, struct glob_lim *);
glob_t * restrict, struct glob_lim * restrict);
static int glob3(Char *, Char *, Char *, Char *, Char *,
Char *, Char *, glob_t *, struct glob_lim *);
static int globextend(const Char *, glob_t *, struct glob_lim *,
struct stat *);
Char *, Char *, glob_t * restrict, struct glob_lim * restrict);
static int globextend(const Char * restrict, glob_t * restrict, struct glob_lim * restrict,
struct stat * restrict);
static const Char *
globtilde(const Char *, Char *, size_t, glob_t *);
static int globexp1(const Char *, glob_t *, struct glob_lim *);
static int globexp2(const Char *, const Char *, glob_t *,
struct glob_lim *);
globtilde(const Char * restrict, Char * restrict, size_t, glob_t * restrict);
static int globexp1(const Char * restrict, glob_t * restrict, struct glob_lim * restrict);
static int globexp2(const Char *, const Char *, glob_t * restrict,
struct glob_lim * restrict);
static int match(Char *, Char *, Char *);
#ifdef DEBUG
static void qprintf(const char *, Char *);
static void qprintf(const char * restrict, Char * restrict);
#endif
int
sudo_glob(const char *pattern, int flags, int (*errfunc)(const char *, int),
glob_t *pglob)
sudo_glob(const char * restrict pattern, int flags, int (*errfunc)(const char *, int),
glob_t * restrict pglob)
{
const unsigned char *patnext;
int c;
@ -220,7 +220,7 @@ sudo_glob(const char *pattern, int flags, int (*errfunc)(const char *, int),
* characters
*/
static int
globexp1(const Char *pattern, glob_t *pglob, struct glob_lim *limitp)
globexp1(const Char * restrict pattern, glob_t * restrict pglob, struct glob_lim * restrict limitp)
{
const Char* ptr = pattern;
@ -241,10 +241,11 @@ globexp1(const Char *pattern, glob_t *pglob, struct glob_lim *limitp)
* If it fails then it tries to glob the rest of the pattern and returns.
*/
static int
globexp2(const Char *ptr, const Char *pattern, glob_t *pglob,
struct glob_lim *limitp)
globexp2(const Char *ptr, const Char *pattern, glob_t * restrict pglob,
struct glob_lim * restrict limitp)
{
int i, rv;
size_t i;
int rv;
Char *lm, *ls;
const Char *pe, *pm, *pl;
Char patbuf[PATH_MAX];
@ -346,7 +347,7 @@ globexp2(const Char *ptr, const Char *pattern, glob_t *pglob,
* expand tilde from the passwd file.
*/
static const Char *
globtilde(const Char *pattern, Char *patbuf, size_t patbuf_len, glob_t *pglob)
globtilde(const Char * restrict pattern, Char * restrict patbuf, size_t patbuf_len, glob_t * restrict pglob)
{
struct passwd *pwd;
char *h;
@ -413,7 +414,7 @@ g_strncmp(const Char *s1, const char *s2, size_t n)
}
static int
g_charclass(const Char **patternp, Char **bufnextp)
g_charclass(const Char ** restrict patternp, Char ** restrict bufnextp)
{
const Char *pattern = *patternp + 1;
Char *bufnext = *bufnextp;
@ -447,7 +448,7 @@ g_charclass(const Char **patternp, Char **bufnextp)
* to find no matches.
*/
static int
glob0(const Char *pattern, glob_t *pglob, struct glob_lim *limitp)
glob0(const Char * restrict pattern, glob_t * restrict pglob, struct glob_lim * restrict limitp)
{
const Char *qpatnext;
int c, err;
@ -551,7 +552,7 @@ compare(const void *p, const void *q)
}
static int
glob1(Char *pattern, Char *pattern_last, glob_t *pglob, struct glob_lim *limitp)
glob1(Char *pattern, Char *pattern_last, glob_t * restrict pglob, struct glob_lim * restrict limitp)
{
Char pathbuf[PATH_MAX];
@ -570,7 +571,7 @@ glob1(Char *pattern, Char *pattern_last, glob_t *pglob, struct glob_lim *limitp)
*/
static int
glob2(Char *pathbuf, Char *pathbuf_last, Char *pathend, Char *pathend_last,
Char *pattern, Char *pattern_last, glob_t *pglob, struct glob_lim *limitp)
Char *pattern, Char *pattern_last, glob_t * restrict pglob, struct glob_lim * restrict limitp)
{
struct stat sb;
Char *p, *q;
@ -638,8 +639,8 @@ glob2(Char *pathbuf, Char *pathbuf_last, Char *pathend, Char *pathend_last,
static int
glob3(Char *pathbuf, Char *pathbuf_last, Char *pathend, Char *pathend_last,
Char *pattern, Char *restpattern, Char *restpattern_last, glob_t *pglob,
struct glob_lim *limitp)
Char *pattern, Char *restpattern, Char *restpattern_last, glob_t * restrict pglob,
struct glob_lim * restrict limitp)
{
struct dirent *dp;
DIR *dirp;
@ -721,8 +722,8 @@ glob3(Char *pathbuf, Char *pathbuf_last, Char *pathend, Char *pathend_last,
* gl_pathv points to (gl_offs + gl_pathc + 1) items.
*/
static int
globextend(const Char *path, glob_t *pglob, struct glob_lim *limitp,
struct stat *sb)
globextend(const Char * restrict path, glob_t * restrict pglob, struct glob_lim * restrict limitp,
struct stat * restrict sb)
{
char **pathv;
size_t i, newn, len;
@ -892,7 +893,7 @@ g_opendir(Char *str, glob_t *pglob)
}
static int
g_lstat(Char *fn, struct stat *sb, glob_t *pglob)
g_lstat(Char * restrict fn, struct stat * restrict sb, glob_t * restrict pglob)
{
char buf[PATH_MAX];
@ -902,7 +903,7 @@ g_lstat(Char *fn, struct stat *sb, glob_t *pglob)
}
static int
g_stat(Char *fn, struct stat *sb, glob_t *pglob)
g_stat(Char * restrict fn, struct stat * restrict sb, glob_t * restrict pglob)
{
char buf[PATH_MAX];
@ -922,7 +923,7 @@ g_strchr(const Char *str, int ch)
}
static int
g_Ctoc(const Char *str, char *buf, size_t len)
g_Ctoc(const Char * restrict str, char * restrict buf, size_t len)
{
while (len--) {
@ -934,7 +935,7 @@ g_Ctoc(const Char *str, char *buf, size_t len)
#ifdef DEBUG
static void
qprintf(const char *str, Char *s)
qprintf(const char * restrict str, Char * restrict s)
{
Char *p;