diff options
Diffstat (limited to 'common')
| -rw-r--r-- | common/ChangeLog | 4 | ||||
| -rw-r--r-- | common/util.h | 4 | ||||
| -rw-r--r-- | common/xasprintf.c | 20 |
3 files changed, 27 insertions, 1 deletions
diff --git a/common/ChangeLog b/common/ChangeLog index e323dc148..db0593176 100644 --- a/common/ChangeLog +++ b/common/ChangeLog @@ -1,3 +1,7 @@ +2005-02-25 Werner Koch <[email protected]> + + * xasprintf.c (xtryasprintf): New. + 2005-01-26 Moritz Schulte <[email protected]> * Makefile.am (libcommon_a_SOURCES): New source files: estream.c, diff --git a/common/util.h b/common/util.h index 4ab55acb4..bbf7241a3 100644 --- a/common/util.h +++ b/common/util.h @@ -131,6 +131,10 @@ const char *default_homedir (void); freed using xfree. This function simply dies on memory failure, thus no extra check is required. */ char *xasprintf (const char *fmt, ...) JNLIB_GCC_A_PRINTF(1,2); +/* Same as asprintf but return an allocated buffer suitable to be + freed using xfree. This function returns NULL on memory failure and + sets errno. */ +char *xtryasprintf (const char *fmt, ...) JNLIB_GCC_A_PRINTF(1,2); const char *print_fname_stdout (const char *s); const char *print_fname_stdin (const char *s); diff --git a/common/xasprintf.c b/common/xasprintf.c index 2c8fafc06..a3b5e27ac 100644 --- a/common/xasprintf.c +++ b/common/xasprintf.c @@ -1,5 +1,5 @@ /* xasprintf.c - * Copyright (C) 2003 Free Software Foundation, Inc. + * Copyright (C) 2003, 2005 Free Software Foundation, Inc. * * This file is part of GnuPG. * @@ -42,3 +42,21 @@ xasprintf (const char *fmt, ...) free (buf); return p; } + +/* Same as above bit return NULL on memory failure. */ +char * +xtryasprintf (const char *fmt, ...) +{ + int rc; + va_list ap; + char *buf, *p; + + va_start (ap, fmt); + rc = vasprintf (&buf, fmt, ap); + va_end (ap); + if (rc < 0) + return NULL; + p = xtrystrdup (buf); + free (buf); + return p; +} |