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-rw-r--r--libbb/xfuncs.c32
1 files changed, 24 insertions, 8 deletions
diff --git a/libbb/xfuncs.c b/libbb/xfuncs.c
index dde91a2..870d736 100644
--- a/libbb/xfuncs.c
+++ b/libbb/xfuncs.c
@@ -106,31 +106,46 @@ FILE *xfopen(const char *path, const char *mode)
{
FILE *fp = fopen(path, mode);
if (fp == NULL)
- bb_perror_msg_and_die("%s", path);
+ bb_perror_msg_and_die("cannot open '%s'", path);
return fp;
}
-// Die if we can't open an existing file and return an fd.
-int xopen(const char *pathname, int flags)
+// Die if we can't open a file and return a fd.
+int xopen3(const char *pathname, int flags, int mode)
{
- //if (ENABLE_DEBUG && (flags & O_CREAT))
- // bb_error_msg_and_die("xopen() with O_CREAT");
+ int ret;
+
+ ret = open(pathname, flags, mode);
+ if (ret < 0) {
+ bb_perror_msg_and_die("cannot open '%s'", pathname);
+ }
+ return ret;
+}
+// Die if we can't open an existing file and return a fd.
+int xopen(const char *pathname, int flags)
+{
return xopen3(pathname, flags, 0666);
}
-// Die if we can't open a new file and return an fd.
-int xopen3(const char *pathname, int flags, int mode)
+// Warn if we can't open a file and return a fd.
+int open3_or_warn(const char *pathname, int flags, int mode)
{
int ret;
ret = open(pathname, flags, mode);
if (ret < 0) {
- bb_perror_msg_and_die("%s", pathname);
+ bb_perror_msg("cannot open '%s'", pathname);
}
return ret;
}
+// Warn if we can't open a file and return a fd.
+int open_or_warn(const char *pathname, int flags)
+{
+ return open3_or_warn(pathname, flags, 0666);
+}
+
void xunlink(const char *pathname)
{
if (unlink(pathname))
@@ -184,6 +199,7 @@ off_t xlseek(int fd, off_t offset, int whence)
void die_if_ferror(FILE *fp, const char *fn)
{
if (ferror(fp)) {
+ /* doesn't set useful errno */
bb_error_msg_and_die("%s: I/O error", fn);
}
}