Changeset b7fd2a0 in mainline for uspace/lib/c/include/str.h

Timestamp:

2018-01-13T03:10:29Z (7 years ago)

Author:

Jiří Zárevúcky <zarevucky.jiri@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

a53ed3a

Parents:

36f0738

Message:

Use errno_t in all uspace and kernel code.

Change type of every variable, parameter and return value that holds an
<errno.h> constant to either errno_t (the usual case), or sys_errno_t
(some places in kernel). This is for the purpose of self-documentation,
as well as for type-checking with a bit of type definition hackery.

Although this is a massive commit, it is a simple text replacement, and thus
is very easy to verify. Simply do the following:

`
git checkout <this commit's hash>
git reset HEAD
<sup>git add .
tools/srepl '\berrno_t\b' int
git add .
tools/srepl '\bsys_errno_t\b' sysarg_t
git reset
git diff
`</sup>

While this doesn't ensure that the replacements are correct, it does ensure
that the commit doesn't do anything except those replacements. Since errno_t
is typedef'd to int in the usual case (and sys_errno_t to sysarg_t), even if
incorrect, this commit cannot change behavior.

File:

• uspace/lib/c/include/str.h (modified) (3 diffs)

uspace/lib/c/include/str.h

@@ -59 +59 @@
 extern wchar_t str_decode(const char *str, size_t *offset, size_t sz);
 extern wchar_t str_decode_reverse(const char *str, size_t *offset, size_t sz);
-extern int chr_encode(const wchar_t ch, char *str, size_t *offset, size_t sz);
+extern errno_t chr_encode(const wchar_t ch, char *str, size_t *offset, size_t sz);
 
 extern size_t str_size(const char *str);
@@ -93 +93 @@
 extern void str_append(char *dest, size_t size, const char *src);
 
-extern int spascii_to_str(char *dest, size_t size, const uint8_t *src, size_t n);
+extern errno_t spascii_to_str(char *dest, size_t size, const uint8_t *src, size_t n);
 extern void wstr_to_str(char *dest, size_t size, const wchar_t *src);
 extern char *wstr_to_astr(const wchar_t *src);
 extern void str_to_wstr(wchar_t *dest, size_t dlen, const char *src);
 extern wchar_t *str_to_awstr(const char *src);
-extern int utf16_to_str(char *dest, size_t size, const uint16_t *src);
-extern int str_to_utf16(uint16_t *dest, size_t dlen, const char *src);
+extern errno_t utf16_to_str(char *dest, size_t size, const uint16_t *src);
+extern errno_t str_to_utf16(uint16_t *dest, size_t dlen, const char *src);
 extern size_t utf16_wsize(const uint16_t *ustr);
 
@@ -116 +116 @@
 extern char *str_tok(char *, const char *, char **);
 
-extern int str_uint8_t(const char *, const char **, unsigned int, bool,
+extern errno_t str_uint8_t(const char *, const char **, unsigned int, bool,
     uint8_t *);
-extern int str_uint16_t(const char *, const char **, unsigned int, bool,
+extern errno_t str_uint16_t(const char *, const char **, unsigned int, bool,
     uint16_t *);
-extern int str_uint32_t(const char *, const char **, unsigned int, bool,
+extern errno_t str_uint32_t(const char *, const char **, unsigned int, bool,
     uint32_t *);
-extern int str_uint64_t(const char *, const char **, unsigned int, bool,
+extern errno_t str_uint64_t(const char *, const char **, unsigned int, bool,
     uint64_t *);
-extern int str_size_t(const char *, const char **, unsigned int, bool,
+extern errno_t str_size_t(const char *, const char **, unsigned int, bool,
     size_t *);