Date: Wed, 20 Feb 2019 20:48:11 +0000 (UTC) From: Matt Macy <mmacy@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r344384 - in head/sys: libkern sys Message-ID: <201902202048.x1KKmBG9084407@repo.freebsd.org>
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Author: mmacy Date: Wed Feb 20 20:48:10 2019 New Revision: 344384 URL: https://svnweb.freebsd.org/changeset/base/344384 Log: Add non-sleepable strdup variant strdup_flags debugfs expects to do non-sleepable allocations Reviewed by: hps@ MFC after: 1 week Sponsored by: iX Systems Differential Revision: https://reviews.freebsd.org/D19259 Modified: head/sys/libkern/strdup.c head/sys/sys/libkern.h Modified: head/sys/libkern/strdup.c ============================================================================== --- head/sys/libkern/strdup.c Wed Feb 20 20:34:43 2019 (r344383) +++ head/sys/libkern/strdup.c Wed Feb 20 20:48:10 2019 (r344384) @@ -40,13 +40,22 @@ __FBSDID("$FreeBSD$"); #include <sys/malloc.h> char * -strdup(const char *string, struct malloc_type *type) +strdup_flags(const char *string, struct malloc_type *type, int flags) { size_t len; char *copy; len = strlen(string) + 1; - copy = malloc(len, type, M_WAITOK); + copy = malloc(len, type, flags); + if (copy == NULL) + return (NULL); bcopy(string, copy, len); return (copy); +} + +char * +strdup(const char *string, struct malloc_type *type) +{ + + return (strdup_flags(string, type, M_WAITOK)); } Modified: head/sys/sys/libkern.h ============================================================================== --- head/sys/sys/libkern.h Wed Feb 20 20:34:43 2019 (r344383) +++ head/sys/sys/libkern.h Wed Feb 20 20:48:10 2019 (r344384) @@ -173,6 +173,7 @@ char *strchr(const char *, int); int strcmp(const char *, const char *); char *strcpy(char * __restrict, const char * __restrict); size_t strcspn(const char * __restrict, const char * __restrict) __pure; +char *strdup_flags(const char *__restrict, struct malloc_type *, int); char *strdup(const char *__restrict, struct malloc_type *); char *strncat(char *, const char *, size_t); char *strndup(const char *__restrict, size_t, struct malloc_type *);
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