diff options
Diffstat (limited to 'git-compat-util.h')
| -rw-r--r-- | git-compat-util.h | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/git-compat-util.h b/git-compat-util.h index a508dbe..b466053 100644 --- a/git-compat-util.h +++ b/git-compat-util.h @@ -876,6 +876,7 @@ char *xstrndup(const char *str, size_t len); void *xrealloc(void *ptr, size_t size); void *xcalloc(size_t nmemb, size_t size); void *xmmap(void *start, size_t length, int prot, int flags, int fd, off_t offset); +const char *mmap_os_err(void); void *xmmap_gently(void *start, size_t length, int prot, int flags, int fd, off_t offset); int xopen(const char *path, int flags, ...); ssize_t xread(int fd, void *buf, size_t len); @@ -986,11 +987,9 @@ static inline char *xstrdup_or_null(const char *str) static inline size_t xsize_t(off_t len) { - size_t size = (size_t) len; - - if (len != (off_t) size) + if (len < 0 || (uintmax_t) len > SIZE_MAX) die("Cannot handle files this big"); - return size; + return (size_t) len; } __attribute__((format (printf, 3, 4))) @@ -1368,7 +1367,7 @@ static inline void *container_of_or_null_offset(void *ptr, size_t offset) (type *)container_of_or_null_offset(ptr, offsetof(type, member)) /* - * like offsetof(), but takes a pointer to a a variable of type which + * like offsetof(), but takes a pointer to a variable of type which * contains @member, instead of a specified type. * @ptr is subject to multiple evaluation since we can't rely on __typeof__ * everywhere. |