diff options
Diffstat (limited to 'manual/stdio.texi')
| -rw-r--r-- | manual/stdio.texi | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/manual/stdio.texi b/manual/stdio.texi index c471209134..977989d95e 100644 --- a/manual/stdio.texi +++ b/manual/stdio.texi @@ -2393,8 +2393,9 @@ This function is similar to @code{sprintf}, except that it dynamically allocates a string (as with @code{malloc}; @pxref{Unconstrained Allocation}) to hold the output, instead of putting the output in a buffer you allocate in advance. The @var{ptr} argument should be the -address of a @code{char *} object, and @code{asprintf} stores a pointer -to the newly allocated string at that location. +address of a @code{char *} object, and a successful call to +@code{asprintf} stores a pointer to the newly allocated string at that +location. The return value is the number of characters allocated for the buffer, or less than zero if an error occurred. Usually this means that the buffer |