From 3bb7cf019f53341ce7b688695b0b598681546b52 Mon Sep 17 00:00:00 2001
From: Virgile Prevosto <virgile.prevosto@m4x.org>
Date: Thu, 26 Aug 2021 12:15:16 +0200
Subject: [PATCH] [variadic] fix warning msg and update oracles
---
.../e-acsl/tests/builtin/oracle/gen_strcmp.c | 2 +-
.../tests/builtin/oracle/strcmp.res.oracle | 2 +-
src/plugins/variadic/standard.ml | 2 +-
.../tests/known/oracle/stdio_print.res.oracle | 144 ++++++++++++------
.../tests/known/oracle/stdio_scan.res.oracle | 124 ++++++++++-----
5 files changed, 189 insertions(+), 85 deletions(-)
diff --git a/src/plugins/e-acsl/tests/builtin/oracle/gen_strcmp.c b/src/plugins/e-acsl/tests/builtin/oracle/gen_strcmp.c
index 0f0aa26e6d1..fcc76624c98 100644
--- a/src/plugins/e-acsl/tests/builtin/oracle/gen_strcmp.c
+++ b/src/plugins/e-acsl/tests/builtin/oracle/gen_strcmp.c
@@ -116,7 +116,7 @@ char *__gen_e_acsl_strdup(char const *s);
__inline static void fail_ncomp(int cond, char *fmt, int l, int r)
{
if (cond) {
- fprintf(stderr,(char const *)fmt,l,r); /* fprintf_fallback_1 */
+ fprintf(stderr,(char const *)fmt,l,r); /* fprintf_va_6 */
__gen_e_acsl_abort();
}
return;
diff --git a/src/plugins/e-acsl/tests/builtin/oracle/strcmp.res.oracle b/src/plugins/e-acsl/tests/builtin/oracle/strcmp.res.oracle
index c63c31e97c5..588c0bf722b 100644
--- a/src/plugins/e-acsl/tests/builtin/oracle/strcmp.res.oracle
+++ b/src/plugins/e-acsl/tests/builtin/oracle/strcmp.res.oracle
@@ -1,6 +1,6 @@
[variadic] tests/builtin/strcmp.c:11: Warning:
Call to function fprintf with non-static format argument:
- no specification will be generated.
+ assuming that parameters are coherent with the format
[e-acsl] beginning translation.
[e-acsl] Warning: annotating undefined function `abort':
the generated program may miss memory instrumentation
diff --git a/src/plugins/variadic/standard.ml b/src/plugins/variadic/standard.ml
index c5f1dbe24bc..40129fbf0b8 100644
--- a/src/plugins/variadic/standard.ml
+++ b/src/plugins/variadic/standard.ml
@@ -723,7 +723,7 @@ let format_fun_call ~fundec env format_fun scope loc mk_call vf args =
| None ->
Self.warning ~current:true
"Call to function %s with non-static format argument:@ \
- Assuming that parameters are coherent with the format"
+ assuming that parameters are coherent with the format"
vf.vf_decl.vorig_name;
infer_format_from_args vf format_fun args
| Some s -> Format_parser.parse_format format_fun.f_kind s
diff --git a/src/plugins/variadic/tests/known/oracle/stdio_print.res.oracle b/src/plugins/variadic/tests/known/oracle/stdio_print.res.oracle
index 5cded5c9814..e461895f776 100644
--- a/src/plugins/variadic/tests/known/oracle/stdio_print.res.oracle
+++ b/src/plugins/variadic/tests/known/oracle/stdio_print.res.oracle
@@ -18,39 +18,39 @@
Declaration of variadic function asprintf.
[variadic] tests/known/stdio_print.c:9: Warning:
Call to function fprintf with non-static format argument:
- no specification will be generated.
+ assuming that parameters are coherent with the format
[variadic] tests/known/stdio_print.c:9:
- Fallback translation of call fprintf to a call to the specialized version fprintf_fallback_1.
+ Translating call to fprintf to a call to the specialized version fprintf_va_1.
[variadic] tests/known/stdio_print.c:10: Warning:
Call to function printf with non-static format argument:
- no specification will be generated.
+ assuming that parameters are coherent with the format
[variadic] tests/known/stdio_print.c:10:
- Fallback translation of call printf to a call to the specialized version printf_fallback_1.
+ Translating call to printf to a call to the specialized version printf_va_1.
[variadic] tests/known/stdio_print.c:11: Warning:
Call to function snprintf with non-static format argument:
- no specification will be generated.
+ assuming that parameters are coherent with the format
[variadic] tests/known/stdio_print.c:11:
- Fallback translation of call snprintf to a call to the specialized version snprintf_fallback_1.
+ Translating call to snprintf to a call to the specialized version snprintf_va_1.
[variadic] tests/known/stdio_print.c:12: Warning:
Call to function sprintf with non-static format argument:
- no specification will be generated.
+ assuming that parameters are coherent with the format
[variadic] tests/known/stdio_print.c:12:
- Fallback translation of call sprintf to a call to the specialized version sprintf_fallback_1.
+ Translating call to sprintf to a call to the specialized version sprintf_va_1.
[variadic] tests/known/stdio_print.c:13: Warning:
Call to function dprintf with non-static format argument:
- no specification will be generated.
+ assuming that parameters are coherent with the format
[variadic] tests/known/stdio_print.c:13:
- Fallback translation of call dprintf to a call to the specialized version dprintf_fallback_1.
+ Translating call to dprintf to a call to the specialized version dprintf_va_1.
[variadic] tests/known/stdio_print.c:15:
- Translating call to fprintf to a call to the specialized version fprintf_va_1.
+ Translating call to fprintf to a call to the specialized version fprintf_va_2.
[variadic] tests/known/stdio_print.c:16:
- Translating call to printf to a call to the specialized version printf_va_1.
+ Translating call to printf to a call to the specialized version printf_va_2.
[variadic] tests/known/stdio_print.c:17:
- Translating call to snprintf to a call to the specialized version snprintf_va_1.
+ Translating call to snprintf to a call to the specialized version snprintf_va_2.
[variadic] tests/known/stdio_print.c:18:
- Translating call to sprintf to a call to the specialized version sprintf_va_1.
+ Translating call to sprintf to a call to the specialized version sprintf_va_2.
[variadic] tests/known/stdio_print.c:19:
- Translating call to dprintf to a call to the specialized version dprintf_va_1.
+ Translating call to dprintf to a call to the specialized version dprintf_va_2.
[eva] Analyzing a complete application starting at main
[eva] Computing initial state
[eva] Initial state computed
@@ -59,8 +59,6 @@
[eva] done for function main
[eva] tests/known/stdio_print.c:9:
assertion 'Eva,initialization' got final status invalid.
-[kernel:annot:missing-spec] tests/known/stdio_print.c:9: Warning:
- Neither code nor specification for function fprintf_fallback_1, generating default assigns from the prototype
[eva] ====== VALUES COMPUTED ======
[eva:final-states] Values at end of function main:
NON TERMINATING FUNCTION
@@ -69,27 +67,79 @@
#include "stdarg.h"
#include "stddef.h"
#include "stdio.h"
-/*@ assigns \result, *stream;
+/*@ requires valid_read_string(param1);
+ requires valid_read_string(format);
+ assigns \result, stream->__fc_FILE_data;
assigns \result
- \from *stream, *(format + (0 ..)), *(param1 + (0 ..)), param0, param2;
- assigns *stream
- \from *stream, *(format + (0 ..)), *(param1 + (0 ..)), param0, param2;
+ \from (indirect: stream->__fc_FILE_id),
+ (indirect: stream->__fc_FILE_data),
+ (indirect: *(format + (0 ..))), (indirect: param2),
+ (indirect: *(param1 + (0 ..))), (indirect: param0);
+ assigns stream->__fc_FILE_data
+ \from (indirect: stream->__fc_FILE_id), stream->__fc_FILE_data,
+ (indirect: *(format + (0 ..))), param2, *(param1 + (0 ..)),
+ param0;
*/
-int fprintf_fallback_1(FILE * restrict stream, char const * restrict format,
- int param0, char const *param1, int param2);
+int fprintf_va_1(FILE * restrict stream, char const * restrict format,
+ int param0, char *param1, int param2);
-int printf_fallback_1(char const * restrict format, int param0,
- char const *param1, int param2);
+/*@ requires valid_read_string(param1);
+ requires valid_read_string(format);
+ assigns \result, __fc_stdout->__fc_FILE_data;
+ assigns \result
+ \from (indirect: __fc_stdout->__fc_FILE_id),
+ (indirect: __fc_stdout->__fc_FILE_data),
+ (indirect: *(format + (0 ..))), (indirect: param2),
+ (indirect: *(param1 + (0 ..))), (indirect: param0);
+ assigns __fc_stdout->__fc_FILE_data
+ \from (indirect: __fc_stdout->__fc_FILE_id),
+ __fc_stdout->__fc_FILE_data, (indirect: *(format + (0 ..))),
+ param2, *(param1 + (0 ..)), param0;
+ */
+int printf_va_1(char const * restrict format, int param0, char *param1,
+ int param2);
-int snprintf_fallback_1(char * restrict s, size_t n,
- char const * restrict format, int param0,
- char const *param1, int param2);
+/*@ requires valid_read_string(param1);
+ requires valid_read_string(format);
+ requires
+ \valid(s + (0 .. n - 1)) ∨
+ \valid(s + (0 .. format_length(format) - 1));
+ assigns \result, *(s + (0 ..));
+ assigns \result
+ \from (indirect: n), (indirect: *(format + (0 ..))),
+ (indirect: param2), (indirect: *(param1 + (0 ..))),
+ (indirect: param0);
+ assigns *(s + (0 ..))
+ \from (indirect: n), (indirect: *(format + (0 ..))), param2,
+ *(param1 + (0 ..)), param0;
+ */
+int snprintf_va_1(char * restrict s, size_t n, char const * restrict format,
+ int param0, char *param1, int param2);
-int sprintf_fallback_1(char * restrict s, char const * restrict format,
- int param0, char const *param1, int param2);
+/*@ requires valid_read_string(param1);
+ requires valid_read_string(format);
+ assigns \result, *(s + (0 ..));
+ assigns \result
+ \from (indirect: *(format + (0 ..))), (indirect: param2),
+ (indirect: *(param1 + (0 ..))), (indirect: param0);
+ assigns *(s + (0 ..))
+ \from (indirect: *(format + (0 ..))), param2, *(param1 + (0 ..)),
+ param0;
+ */
+int sprintf_va_1(char * restrict s, char const * restrict format, int param0,
+ char *param1, int param2);
-int dprintf_fallback_1(int fd, char const * restrict format, int param0,
- char const *param1, char const *param2);
+/*@ requires valid_read_string(param1);
+ requires valid_read_string(param2);
+ requires valid_read_string(format);
+ assigns \result;
+ assigns \result
+ \from (indirect: fd), (indirect: *(format + (0 ..))),
+ (indirect: *(param2 + (0 ..))), (indirect: *(param1 + (0 ..))),
+ (indirect: param0);
+ */
+int dprintf_va_1(int fd, char const * restrict format, int param0,
+ char *param1, char *param2);
/*@ requires valid_read_string(param1);
requires valid_read_string(format);
@@ -104,7 +154,7 @@ int dprintf_fallback_1(int fd, char const * restrict format, int param0,
(indirect: *(format + (0 ..))), param2, *(param1 + (0 ..)),
param0;
*/
-int fprintf_va_1(FILE * restrict stream, char const * restrict format,
+int fprintf_va_2(FILE * restrict stream, char const * restrict format,
int param0, char *param1, int param2);
/*@ requires valid_read_string(param1);
@@ -120,7 +170,7 @@ int fprintf_va_1(FILE * restrict stream, char const * restrict format,
__fc_stdout->__fc_FILE_data, (indirect: *(format + (0 ..))),
param2, *(param1 + (0 ..)), param0;
*/
-int printf_va_1(char const * restrict format, int param0, char *param1,
+int printf_va_2(char const * restrict format, int param0, char *param1,
int param2);
/*@ requires valid_read_string(param1);
@@ -137,7 +187,7 @@ int printf_va_1(char const * restrict format, int param0, char *param1,
\from (indirect: n), (indirect: *(format + (0 ..))), param2,
*(param1 + (0 ..)), param0;
*/
-int snprintf_va_1(char * restrict s, size_t n, char const * restrict format,
+int snprintf_va_2(char * restrict s, size_t n, char const * restrict format,
int param0, char *param1, int param2);
/*@ requires valid_read_string(param1);
@@ -150,7 +200,7 @@ int snprintf_va_1(char * restrict s, size_t n, char const * restrict format,
\from (indirect: *(format + (0 ..))), param2, *(param1 + (0 ..)),
param0;
*/
-int sprintf_va_1(char * restrict s, char const * restrict format, int param0,
+int sprintf_va_2(char * restrict s, char const * restrict format, int param0,
char *param1, int param2);
/*@ requires valid_read_string(param1);
@@ -162,7 +212,7 @@ int sprintf_va_1(char * restrict s, char const * restrict format, int param0,
(indirect: *(param2 + (0 ..))), (indirect: *(param1 + (0 ..))),
(indirect: param0);
*/
-int dprintf_va_1(int fd, char const * restrict format, int param0,
+int dprintf_va_2(int fd, char const * restrict format, int param0,
char *param1, char *param2);
int main(void)
@@ -173,16 +223,16 @@ int main(void)
char *str;
size_t size;
/*@ assert Eva: initialization: \initialized(&format); */
- fprintf(stream,(char const *)format,1,"2",3); /* fprintf_fallback_1 */
- printf((char const *)format,1,"2",3); /* printf_fallback_1 */
- snprintf(str,size,(char const *)format,1,"2",3); /* snprintf_fallback_1 */
- sprintf(str,(char const *)format,1,"2",3); /* sprintf_fallback_1 */
- dprintf(1,(char const *)format,1,"3","4"); /* dprintf_fallback_1 */
- fprintf(stream,"%d %s %d",1,(char *)"2",3); /* fprintf_va_1 */
- printf("%d %s %d",1,(char *)"2",3); /* printf_va_1 */
- snprintf(str,size,"%d %s %d",1,(char *)"2",3); /* snprintf_va_1 */
- sprintf(str,"%d %s %d",1,(char *)"2",3); /* sprintf_va_1 */
- dprintf(1,"%d %s %s",1,(char *)"3",(char *)"4"); /* dprintf_va_1 */
+ fprintf(stream,(char const *)format,1,(char *)"2",3); /* fprintf_va_1 */
+ printf((char const *)format,1,(char *)"2",3); /* printf_va_1 */
+ snprintf(str,size,(char const *)format,1,(char *)"2",3); /* snprintf_va_1 */
+ sprintf(str,(char const *)format,1,(char *)"2",3); /* sprintf_va_1 */
+ dprintf(1,(char const *)format,1,(char *)"3",(char *)"4"); /* dprintf_va_1 */
+ fprintf(stream,"%d %s %d",1,(char *)"2",3); /* fprintf_va_2 */
+ printf("%d %s %d",1,(char *)"2",3); /* printf_va_2 */
+ snprintf(str,size,"%d %s %d",1,(char *)"2",3); /* snprintf_va_2 */
+ sprintf(str,"%d %s %d",1,(char *)"2",3); /* sprintf_va_2 */
+ dprintf(1,"%d %s %s",1,(char *)"3",(char *)"4"); /* dprintf_va_2 */
__retres = 0;
return __retres;
}
diff --git a/src/plugins/variadic/tests/known/oracle/stdio_scan.res.oracle b/src/plugins/variadic/tests/known/oracle/stdio_scan.res.oracle
index 933132b0680..66601b31517 100644
--- a/src/plugins/variadic/tests/known/oracle/stdio_scan.res.oracle
+++ b/src/plugins/variadic/tests/known/oracle/stdio_scan.res.oracle
@@ -18,25 +18,25 @@
Declaration of variadic function asprintf.
[variadic] tests/known/stdio_scan.c:10: Warning:
Call to function fscanf with non-static format argument:
- no specification will be generated.
+ assuming that parameters are coherent with the format
[variadic] tests/known/stdio_scan.c:10:
- Fallback translation of call fscanf to a call to the specialized version fscanf_fallback_1.
+ Translating call to fscanf to a call to the specialized version fscanf_va_1.
[variadic] tests/known/stdio_scan.c:11: Warning:
Call to function scanf with non-static format argument:
- no specification will be generated.
+ assuming that parameters are coherent with the format
[variadic] tests/known/stdio_scan.c:11:
- Fallback translation of call scanf to a call to the specialized version scanf_fallback_1.
+ Translating call to scanf to a call to the specialized version scanf_va_1.
[variadic] tests/known/stdio_scan.c:12: Warning:
Call to function sscanf with non-static format argument:
- no specification will be generated.
+ assuming that parameters are coherent with the format
[variadic] tests/known/stdio_scan.c:12:
- Fallback translation of call sscanf to a call to the specialized version sscanf_fallback_1.
+ Translating call to sscanf to a call to the specialized version sscanf_va_1.
[variadic] tests/known/stdio_scan.c:14:
- Translating call to fscanf to a call to the specialized version fscanf_va_1.
+ Translating call to fscanf to a call to the specialized version fscanf_va_2.
[variadic] tests/known/stdio_scan.c:15:
- Translating call to scanf to a call to the specialized version scanf_va_1.
+ Translating call to scanf to a call to the specialized version scanf_va_2.
[variadic] tests/known/stdio_scan.c:16:
- Translating call to sscanf to a call to the specialized version sscanf_va_1.
+ Translating call to sscanf to a call to the specialized version sscanf_va_2.
[eva] Analyzing a complete application starting at main
[eva] Computing initial state
[eva] Initial state computed
@@ -45,8 +45,6 @@
[eva] done for function main
[eva] tests/known/stdio_scan.c:10:
assertion 'Eva,initialization' got final status invalid.
-[kernel:annot:missing-spec] tests/known/stdio_scan.c:10: Warning:
- Neither code nor specification for function fscanf_fallback_1, generating default assigns from the prototype
[eva] ====== VALUES COMPUTED ======
[eva:final-states] Values at end of function main:
NON TERMINATING FUNCTION
@@ -55,26 +53,82 @@
#include "stdarg.h"
#include "stddef.h"
#include "stdio.h"
-/*@ assigns \result, *stream, *param0, *(param1 + (0 ..)), *param2;
+/*@ requires \valid(param0);
+ requires \valid(param1);
+ requires \valid(param2);
+ requires valid_read_string(format);
+ ensures \initialized(param0);
+ ensures \initialized(param1);
+ ensures \initialized(param2);
+ assigns \result, stream->__fc_FILE_data, *param2, *param1, *param0;
assigns \result
- \from *stream, *(format + (0 ..)), *param0, *(param1 + (0 ..)), *param2;
- assigns *stream
- \from *stream, *(format + (0 ..)), *param0, *(param1 + (0 ..)), *param2;
- assigns *param0
- \from *stream, *(format + (0 ..)), *param0, *(param1 + (0 ..)), *param2;
- assigns *(param1 + (0 ..))
- \from *stream, *(format + (0 ..)), *param0, *(param1 + (0 ..)), *param2;
+ \from (indirect: stream->__fc_FILE_id),
+ (indirect: stream->__fc_FILE_data),
+ (indirect: *(format + (0 ..)));
+ assigns stream->__fc_FILE_data
+ \from (indirect: stream->__fc_FILE_id), stream->__fc_FILE_data,
+ (indirect: *(format + (0 ..)));
assigns *param2
- \from *stream, *(format + (0 ..)), *param0, *(param1 + (0 ..)), *param2;
+ \from (indirect: stream->__fc_FILE_id), stream->__fc_FILE_data,
+ (indirect: *(format + (0 ..)));
+ assigns *param1
+ \from (indirect: stream->__fc_FILE_id), stream->__fc_FILE_data,
+ (indirect: *(format + (0 ..)));
+ assigns *param0
+ \from (indirect: stream->__fc_FILE_id), stream->__fc_FILE_data,
+ (indirect: *(format + (0 ..)));
*/
-int fscanf_fallback_1(FILE * restrict stream, char const * restrict format,
- int *param0, char *param1, int *param2);
+int fscanf_va_1(FILE * restrict stream, char const * restrict format,
+ int *param0, char *param1, int *param2);
-int scanf_fallback_1(char const * restrict format, int *param0, char *param1,
- int *param2);
+/*@ requires \valid(param0);
+ requires \valid(param1);
+ requires \valid(param2);
+ requires valid_read_string(format);
+ ensures \initialized(param0);
+ ensures \initialized(param1);
+ ensures \initialized(param2);
+ assigns \result, __fc_stdin->__fc_FILE_data, *param2, *param1, *param0;
+ assigns \result
+ \from (indirect: __fc_stdin->__fc_FILE_id),
+ (indirect: __fc_stdin->__fc_FILE_data),
+ (indirect: *(format + (0 ..)));
+ assigns __fc_stdin->__fc_FILE_data
+ \from (indirect: __fc_stdin->__fc_FILE_id), __fc_stdin->__fc_FILE_data,
+ (indirect: *(format + (0 ..)));
+ assigns *param2
+ \from (indirect: __fc_stdin->__fc_FILE_id), __fc_stdin->__fc_FILE_data,
+ (indirect: *(format + (0 ..)));
+ assigns *param1
+ \from (indirect: __fc_stdin->__fc_FILE_id), __fc_stdin->__fc_FILE_data,
+ (indirect: *(format + (0 ..)));
+ assigns *param0
+ \from (indirect: __fc_stdin->__fc_FILE_id), __fc_stdin->__fc_FILE_data,
+ (indirect: *(format + (0 ..)));
+ */
+int scanf_va_1(char const * restrict format, int *param0, char *param1,
+ int *param2);
-int sscanf_fallback_1(char const * restrict s, char const * restrict format,
- int *param0, char *param1, int *param2);
+/*@ requires \valid(param0);
+ requires \valid(param1);
+ requires \valid(param2);
+ requires valid_read_string(format);
+ requires valid_read_string(s);
+ ensures \initialized(param0);
+ ensures \initialized(param1);
+ ensures \initialized(param2);
+ assigns \result, *param2, *param1, *param0;
+ assigns \result
+ \from (indirect: *(s + (0 ..))), (indirect: *(format + (0 ..)));
+ assigns *param2
+ \from (indirect: *(s + (0 ..))), (indirect: *(format + (0 ..)));
+ assigns *param1
+ \from (indirect: *(s + (0 ..))), (indirect: *(format + (0 ..)));
+ assigns *param0
+ \from (indirect: *(s + (0 ..))), (indirect: *(format + (0 ..)));
+ */
+int sscanf_va_1(char const * restrict s, char const * restrict format,
+ int *param0, char *param1, int *param2);
/*@ requires \valid(param0);
requires \valid(param2);
@@ -100,7 +154,7 @@ int sscanf_fallback_1(char const * restrict s, char const * restrict format,
\from (indirect: stream->__fc_FILE_id), stream->__fc_FILE_data,
(indirect: *(format + (0 ..)));
*/
-int fscanf_va_1(FILE * restrict stream, char const * restrict format,
+int fscanf_va_2(FILE * restrict stream, char const * restrict format,
int *param0, char *param1, int *param2);
/*@ requires \valid(param0);
@@ -127,7 +181,7 @@ int fscanf_va_1(FILE * restrict stream, char const * restrict format,
\from (indirect: __fc_stdin->__fc_FILE_id), __fc_stdin->__fc_FILE_data,
(indirect: *(format + (0 ..)));
*/
-int scanf_va_1(char const * restrict format, int *param0, char *param1,
+int scanf_va_2(char const * restrict format, int *param0, char *param1,
int *param2);
/*@ requires \valid(param0);
@@ -146,7 +200,7 @@ int scanf_va_1(char const * restrict format, int *param0, char *param1,
assigns *param0
\from (indirect: *(s + (0 ..))), (indirect: *(format + (0 ..)));
*/
-int sscanf_va_1(char const * restrict s, char const * restrict format,
+int sscanf_va_2(char const * restrict s, char const * restrict format,
int *param0, char *param1, int *param2);
int main(void)
@@ -159,12 +213,12 @@ int main(void)
int j;
char *s;
/*@ assert Eva: initialization: \initialized(&s); */
- fscanf(stream,(char const *)format,& i,s,& j); /* fscanf_fallback_1 */
- scanf((char const *)format,& i,s,& j); /* scanf_fallback_1 */
- sscanf((char const *)str,(char const *)format,& i,s,& j); /* sscanf_fallback_1 */
- fscanf(stream,"%d %s %d",& i,s,& j); /* fscanf_va_1 */
- scanf("%d %s %d",& i,s,& j); /* scanf_va_1 */
- sscanf((char const *)str,"%d %s %d",& i,s,& j); /* sscanf_va_1 */
+ fscanf(stream,(char const *)format,& i,s,& j); /* fscanf_va_1 */
+ scanf((char const *)format,& i,s,& j); /* scanf_va_1 */
+ sscanf((char const *)str,(char const *)format,& i,s,& j); /* sscanf_va_1 */
+ fscanf(stream,"%d %s %d",& i,s,& j); /* fscanf_va_2 */
+ scanf("%d %s %d",& i,s,& j); /* scanf_va_2 */
+ sscanf((char const *)str,"%d %s %d",& i,s,& j); /* sscanf_va_2 */
__retres = 0;
return __retres;
}
--
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