From 830407e88f9d40d954356c3754f2647f91d5c06a Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 17:26:00 +0200 Subject: Adding upstream version 5.6.0. Signed-off-by: Daniel Baumann --- contrib/ccan/asprintf/asprintf.h | 51 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 contrib/ccan/asprintf/asprintf.h (limited to 'contrib/ccan/asprintf/asprintf.h') diff --git a/contrib/ccan/asprintf/asprintf.h b/contrib/ccan/asprintf/asprintf.h new file mode 100644 index 0000000..d4cc5ca --- /dev/null +++ b/contrib/ccan/asprintf/asprintf.h @@ -0,0 +1,51 @@ +/* SPDX-License-Identifier: MIT + * Source: https://ccodearchive.net/info/asprintf.html */ +#ifndef CCAN_ASPRINTF_H +#define CCAN_ASPRINTF_H +#include "config.h" +#include + +/** + * afmt - allocate and populate a string with the given format. + * @fmt: printf-style format. + * + * This is a simplified asprintf interface. Returns NULL on error. + */ +char *PRINTF_FMT(1, 2) afmt(const char *fmt, ...); + +#if HAVE_ASPRINTF +#include +#else +#include +/** + * asprintf - printf to a dynamically-allocated string. + * @strp: pointer to the string to allocate. + * @fmt: printf-style format. + * + * Returns -1 (and leaves @strp undefined) on an error. Otherwise returns + * number of bytes printed into @strp. + * + * Example: + * static char *greeting(const char *name) + * { + * char *str; + * int len = asprintf(&str, "Hello %s", name); + * if (len < 0) + * return NULL; + * return str; + * } + */ +int PRINTF_FMT(2, 3) asprintf(char **strp, const char *fmt, ...); + +/** + * vasprintf - vprintf to a dynamically-allocated string. + * @strp: pointer to the string to allocate. + * @fmt: printf-style format. + * + * Returns -1 (and leaves @strp undefined) on an error. Otherwise returns + * number of bytes printed into @strp. + */ +int vasprintf(char **strp, const char *fmt, va_list ap); +#endif + +#endif /* CCAN_ASPRINTF_H */ -- cgit v1.2.3