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set of portability changes from lint/asan/ubsan

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This commit is contained in:
Chet Ramey
2023-01-07 13:18:20 -05:00
parent 2e725f7346
commit 8fd8cd8f7b
35 changed files with 162 additions and 106 deletions
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lib/sh/pathphys.c
+5 -3
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@@ -48,7 +48,7 @@ extern int errno;
extern char *get_working_directory (char *);
static inline int
static inline ssize_t
_path_readlink (char *path, char *buf, size_t bufsiz)
{
#ifdef HAVE_READLINK
@@ -74,6 +74,7 @@ sh_physpath (char *path, int flags)
char tbuf[PATH_MAX+1], linkbuf[PATH_MAX+1];
char *result, *p, *q, *qsave, *qbase, *workpath;
int double_slash_path, nlink;
ssize_t r;
size_t linklen;
linklen = strlen (path);
@@ -160,13 +161,14 @@ sh_physpath (char *path, int flags)
*q = '\0';
linklen = _path_readlink (result, linkbuf, PATH_MAX);
if (linklen < 0) /* if errno == EINVAL, it's not a symlink */
r = _path_readlink (result, linkbuf, PATH_MAX);
if (r < 0) /* if errno == EINVAL, it's not a symlink */
{
if (errno != EINVAL)
goto error;
continue;
}
linklen = r;
/* It's a symlink, and the value is in LINKBUF. */
nlink++;