Nico Huber submitted this change.
helpers: Implement strndup() for MinGW
Provide strndup implementation if compiled with MinGW because
it is a POSIX only method
Signed-off-by: Miklós Márton <martonmiklosqdev@gmail.com>
Change-Id: If418080bffff1f5961cacf2a300ea9c666682458
Reviewed-on: https://review.coreboot.org/c/flashrom/+/34621
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
---
M flash.h
M helpers.c
2 files changed, 15 insertions(+), 0 deletions(-)
diff --git a/flash.h b/flash.h
index c1d8980..1a9bd9f 100644
--- a/flash.h
+++ b/flash.h
@@ -314,6 +314,7 @@
void reverse_bytes(uint8_t *dst, const uint8_t *src, size_t length);
#ifdef __MINGW32__
char* strtok_r(char *str, const char *delim, char **nextp);
+char *strndup(const char *str, size_t size);
#endif
#if defined(__DJGPP__) || (!defined(__LIBPAYLOAD__) && !defined(HAVE_STRNLEN))
size_t strnlen(const char *str, size_t n);
diff --git a/helpers.c b/helpers.c
index cfa9812..c83cd2c 100644
--- a/helpers.c
+++ b/helpers.c
@@ -102,6 +102,20 @@
*nextp = str;
return ret;
}
+
+/* strndup is a POSIX function not present in MinGW */
+char *strndup(const char *src, size_t maxlen)
+{
+ if (strlen(src) > maxlen) {
+ char *retbuf;
+ if ((retbuf = malloc(1 + maxlen)) != NULL) {
+ memcpy(retbuf, src, maxlen);
+ retbuf[maxlen] = '\0';
+ }
+ return retbuf;
+ }
+ return strdup(src);
+}
#endif
/* There is no strnlen in DJGPP */
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