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new fe34a3ee78e include/string.h: Also declare strcasecmp() and
strncasecmp().
fe34a3ee78e is described below
commit fe34a3ee78eeaa62e9b4831f5d27a8dbf7d7ed3f
Author: Marco Casaroli <[email protected]>
AuthorDate: Thu Oct 8 22:02:16 2026 +0200
include/string.h: Also declare strcasecmp() and strncasecmp().
POSIX declares strcasecmp() and strncasecmp() in <strings.h>. glibc,
musl and newlib also declare them in <string.h>, and some programs
rely on that: they include only <string.h> and get an implicit
declaration on NuttX.
Declare the two functions in <string.h> too. Only the prototypes are
added: the BSD macros of <strings.h> (bcopy(), bzero() and others) stay
out of <string.h>.
Assisted-by: Claude Code:claude-opus-5-5
Signed-off-by: Marco Casaroli <[email protected]>
---
include/string.h | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/include/string.h b/include/string.h
index f000a87e1c7..8492d1fd393 100644
--- a/include/string.h
+++ b/include/string.h
@@ -74,6 +74,14 @@ size_t strlcat(FAR char *, FAR const char *, size_t);
FAR char *strncat(FAR char *, FAR const char *, size_t);
int strcmp(FAR const char *, FAR const char *);
int strncmp(FAR const char *, FAR const char *, size_t);
+
+/* Also declared in <strings.h>. Other C libraries declare them in
+ * <string.h> as well, and some programs rely on that.
+ */
+
+int strcasecmp(FAR const char *, FAR const char *);
+int strncasecmp(FAR const char *, FAR const char *, size_t);
+
int strcoll(FAR const char *, FAR const char *s2);
FAR char *strcpy(FAR char *dest, FAR const char *src);
FAR char *stpcpy(FAR char *dest, FAR const char *src);
