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Diffstat (limited to 'sendmail/libsm/stringf.c')
-rw-r--r-- | sendmail/libsm/stringf.c | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/sendmail/libsm/stringf.c b/sendmail/libsm/stringf.c new file mode 100644 index 0000000..b6a7f66 --- /dev/null +++ b/sendmail/libsm/stringf.c @@ -0,0 +1,86 @@ +/* + * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include <sm/gen.h> +SM_RCSID("@(#)$Id: stringf.c,v 1.15 2001/09/11 04:04:49 gshapiro Exp $") +#include <errno.h> +#include <stdio.h> +#include <sm/exc.h> +#include <sm/heap.h> +#include <sm/string.h> +#include <sm/varargs.h> + +/* +** SM_STRINGF_X -- printf() to dynamically allocated string. +** +** Takes the same arguments as printf. +** It returns a pointer to a dynamically allocated string +** containing the text that printf would print to standard output. +** It raises an exception on error. +** The name comes from a PWB Unix function called stringf. +** +** Parameters: +** fmt -- format string. +** ... -- arguments for format. +** +** Returns: +** Pointer to a dynamically allocated string. +** +** Exceptions: +** F:sm_heap -- out of memory (via sm_vstringf_x()). +*/ + +char * +#if SM_VA_STD +sm_stringf_x(const char *fmt, ...) +#else /* SM_VA_STD */ +sm_stringf_x(fmt, va_alist) + const char *fmt; + va_dcl +#endif /* SM_VA_STD */ +{ + SM_VA_LOCAL_DECL + char *s; + + SM_VA_START(ap, fmt); + s = sm_vstringf_x(fmt, ap); + SM_VA_END(ap); + return s; +} + +/* +** SM_VSTRINGF_X -- printf() to dynamically allocated string. +** +** Parameters: +** fmt -- format string. +** ap -- arguments for format. +** +** Returns: +** Pointer to a dynamically allocated string. +** +** Exceptions: +** F:sm_heap -- out of memory +*/ + +char * +sm_vstringf_x(fmt, ap) + const char *fmt; + SM_VA_LOCAL_DECL +{ + char *s; + + sm_vasprintf(&s, fmt, ap); + if (s == NULL) + { + if (errno == ENOMEM) + sm_exc_raise_x(&SmHeapOutOfMemory); + sm_exc_raisenew_x(&SmEtypeOs, errno, "sm_vasprintf", NULL); + } + return s; +} |