fgetwc may clobber errno when the result is not WEOF

[libc-test] / README

diff --git a/README b/README
index ccf9fda..aa50091 100644 (file)
--- a/README
+++ b/README
@@ -49,7 +49,7 @@ may be used to simplify the code like
 #define T2(f,w) (result=(f), result==(w) || (t_error("%s failed: got %s, want %s\n", #f, result, w),0))
 
 binaries should be possible to run from arbitrary directory.
 #define T2(f,w) (result=(f), result==(w) || (t_error("%s failed: got %s, want %s\n", #f, result, w),0))
 
 binaries should be possible to run from arbitrary directory.

-the build system runs the tests using the src/common/run tool which
+the build system runs the tests using the src/common/runtest tool which

 kills the test process after a timeout and reports the exit status
 in case of failure
 
 kills the test process after a timeout and reports the exit status
 in case of failure
 


@@ -68,14 +68,17 @@ Rich Felker, regression tests should contain reference of the bug
 build system:
 
 the main non-file make targets are all, run, clean and cleanall.
 build system:
 
 the main non-file make targets are all, run, clean and cleanall.

-(cleanall removes the reports as well, run reruns the dynamically
+(cleanall removes the reports unlike clean, run reruns the dynamically

 linked executables)
 
 linked executables)
 

-for each directory under src there are targets like src/directory/all,
-src/directory/run and src/directory/clean to make only the contents
+make variable can be overridden from config.mak or the make command line,
+the variable B sets the build directory which is src by default
+
+for each directory under src there are targets like $(B)/directory/all,
+$(B)/directory/run and $(B)/directory/clean to make only the contents

 of that directory, each directory has its own Makefile set up so it
 of that directory, each directory has its own Makefile set up so it

-invokes the top level make with src/directory/foo for the foo target,
-so it is possible to work only under a specific test directory
+invokes the top level make with B=src src/directory/foo for the foo
+target, so it is possible to work only under a specific test directory

 
 the build and runtime errors of each target are accumulated into a
 target.err file and in the end they are concatenated into a REPORT
 
 the build and runtime errors of each target are accumulated into a
 target.err file and in the end they are concatenated into a REPORT


@@ -85,9 +88,9 @@ dynamic linked and a static linked executable test binary by default,
 this behaviour can be changed by a similarly named .mk file changing
 make variables and specifying additional rules:
 
 this behaviour can be changed by a similarly named .mk file changing
 make variables and specifying additional rules:
 

-$(N) is the name of the binary target (the file name without the .c)
-$(N)-static is the name of the static binary target
-$(D) is the directory
+$(B)/$(N) is the name of the binary target (the file name without the .c)
+$(B)/$(N)-static is the name of the static binary target
+$(B)/$(D) is the build directory

 $(N).CFLAGS are added to the CFLAGS at compilation
 $(N).LDFLAGS are added to the LDFLAGS at linking
 $(N).LDLIBS are added to the LDLIBS at linking
 $(N).CFLAGS are added to the CFLAGS at compilation
 $(N).LDFLAGS are added to the LDFLAGS at linking
 $(N).LDLIBS are added to the LDLIBS at linking