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author | Joel Sherrill <joel.sherrill@OARcorp.com> | 1996-11-08 20:08:52 +0000 |
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committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 1996-11-08 20:08:52 +0000 |
commit | 331d9e3b91c21b3c592882ac90df0c6210868d8c (patch) | |
tree | df295a5be77f983e1cf0c35263b62eff8739ebaf /c/src/lib/libc | |
parent | added ENOSYS support (diff) | |
download | rtems-331d9e3b91c21b3c592882ac90df0c6210868d8c.tar.bz2 |
Added asserts for unhandled conditions which need to result in error
statuses being returned to gnat runtime in order for it to raise
use_errors. This was needed to identify the places in gnat's runtime
which needed to be addressed.
Diffstat (limited to 'c/src/lib/libc')
-rw-r--r-- | c/src/lib/libc/libio.c | 9 | ||||
-rw-r--r-- | c/src/lib/libc/syscalls.c | 9 |
2 files changed, 17 insertions, 1 deletions
diff --git a/c/src/lib/libc/libio.c b/c/src/lib/libc/libio.c index 3ffce0f2fc..26448d20a4 100644 --- a/c/src/lib/libc/libio.c +++ b/c/src/lib/libc/libio.c @@ -10,6 +10,7 @@ #include <stdio.h> /* O_RDONLY, et.al. */ #include <fcntl.h> /* O_RDONLY, et.al. */ +#include <assert.h> #if ! defined(O_NDELAY) # if defined(solaris2) @@ -252,8 +253,13 @@ __open( rtems_driver_name_t *np; rtems_libio_open_close_args_t args; - if ((rc = rtems_io_lookup_name(pathname, &np)) != RTEMS_SUCCESSFUL) + if ((rc = rtems_io_lookup_name(pathname, &np)) != RTEMS_SUCCESSFUL) { + if ( rc == RTEMS_UNSATISFIED ) { + puts( "open -- ENOSYS case" ); + assert( 0 ); + } goto done; + } iop = rtems_libio_allocate(); if (iop == 0) @@ -273,6 +279,7 @@ __open( rc = rtems_io_open(np->major, np->minor, (void *) &args); done: + if (rc != RTEMS_SUCCESSFUL) { if (iop) diff --git a/c/src/lib/libc/syscalls.c b/c/src/lib/libc/syscalls.c index 9c59933769..1128d09f53 100644 --- a/c/src/lib/libc/syscalls.c +++ b/c/src/lib/libc/syscalls.c @@ -22,6 +22,7 @@ #include <sys/types.h> #include <sys/stat.h> +#include <assert.h> /* * fstat, stat, and isatty must lie consistently and report that everything @@ -30,6 +31,10 @@ int __fstat(int _fd, struct stat* _sbuf) { + if ( _fd > 2 ) { + puts( "__fstat -- only stdio supported" ); + assert( 0 ); + } _sbuf->st_mode = S_IFCHR; #ifdef HAVE_BLKSIZE _sbuf->st_blksize = 0; @@ -44,6 +49,10 @@ int __isatty(int _fd) int stat( const char *path, struct stat *buf ) { + if ( strncmp( "/dev/", path, 5 ) ) { + puts( "stat -- non-devices not supported" ); + assert( 0 ); + } return __fstat( 0, buf ); } |