summaryrefslogtreecommitdiff
path: root/libc/error
diff options
context:
space:
mode:
Diffstat (limited to 'libc/error')
-rw-r--r--libc/error/Config2
-rw-r--r--libc/error/Makefile17
-rw-r--r--libc/error/README10
-rw-r--r--libc/error/__assert.c28
-rw-r--r--libc/error/error.c57
-rw-r--r--libc/error/liberror.txt121
-rw-r--r--libc/error/perror.c19
-rw-r--r--libc/error/sys_errlist.c75
-rw-r--r--libc/error/sys_siglist.c38
9 files changed, 367 insertions, 0 deletions
diff --git a/libc/error/Config b/libc/error/Config
new file mode 100644
index 0000000..1f384b7
--- /dev/null
+++ b/libc/error/Config
@@ -0,0 +1,2 @@
+
+error: Unix error functions
diff --git a/libc/error/Makefile b/libc/error/Makefile
new file mode 100644
index 0000000..bcc9287
--- /dev/null
+++ b/libc/error/Makefile
@@ -0,0 +1,17 @@
+# Copyright (C) 1996 Robert de Bath <robert@debath.thenet.co.uk>
+# This file is part of the Linux-8086 C library and is distributed
+# under the GNU Library General Public License.
+
+TOP=..
+include $(TOP)/Make.defs
+
+OBJ=error.o sys_errlist.o perror.o sys_siglist.o __assert.o
+
+all: $(OBJ)
+
+libc.a: $(OBJ)
+ ar r ../$(LIBC) $(OBJ)
+ @touch libc.a
+
+clean:
+ rm -f *.o libc.a
diff --git a/libc/error/README b/libc/error/README
new file mode 100644
index 0000000..02c123f
--- /dev/null
+++ b/libc/error/README
@@ -0,0 +1,10 @@
+Copyright (C) 1996 Robert de Bath <robert@debath.thenet.co.uk>
+This file is part of the Linux-8086 C library and is distributed
+under the GNU Library General Public License.
+
+These routines assume the existance of a file /usr/lib/liberror.txt,
+this file contains the actual error messages. One useful feature,
+the language of the error messages can be easily changed.
+
+
+-Robert
diff --git a/libc/error/__assert.c b/libc/error/__assert.c
new file mode 100644
index 0000000..bcf04e8
--- /dev/null
+++ b/libc/error/__assert.c
@@ -0,0 +1,28 @@
+/* Copyright (C) 1996 Robert de Bath <rdebath@cix.compulink.co.uk>
+ * This file is part of the Linux-8086 C library and is distributed
+ * under the GNU Library General Public License.
+ */
+
+#include <unistd.h>
+
+static void errput(str)
+const char * str;
+{
+ write(2, str, strlen(str));
+}
+
+void
+__assert(assertion, filename, linenumber)
+const char * assertion;
+const char * filename;
+int linenumber;
+{
+ errput("Failed assertion '");
+ errput(assertion);
+ errput("' in file ");
+ errput(filename);
+ errput(" at line ");
+ errput(itoa(linenumber));
+ errput(".\n");
+ abort();
+}
diff --git a/libc/error/error.c b/libc/error/error.c
new file mode 100644
index 0000000..3695719
--- /dev/null
+++ b/libc/error/error.c
@@ -0,0 +1,57 @@
+/* Copyright (C) 1996 Robert de Bath <robert@debath.thenet.co.uk>
+ * This file is part of the Linux-8086 C library and is distributed
+ * under the GNU Library General Public License.
+ */
+#include <string.h>
+
+char **__sys_errlist =0;
+int __sys_nerr = 0;
+
+char *
+strerror(err)
+int err;
+{
+ int fd;
+ static char retbuf[80];
+ char inbuf[256];
+ int cc;
+ int bufoff = 0;
+
+ if( __sys_nerr )
+ {
+ if( err < 0 || err >= __sys_nerr ) goto unknown;
+ return __sys_errlist[err];
+ }
+
+ if( err <= 0 ) goto unknown; /* NB the <= allows comments in the file */
+ fd = open("/usr/lib/liberror.txt", 0);
+ if( fd < 0 ) goto unknown;
+
+ while( (cc=read(fd, inbuf, sizeof(inbuf))) > 0 )
+ {
+ int i;
+ for(i=0; i<cc; i++)
+ {
+ if( inbuf[i] == '\n' )
+ {
+ retbuf[bufoff] = '\0';
+ if( err == atoi(retbuf) )
+ {
+ char * p = strchr(retbuf, ' ');
+ if( p == 0 ) goto unknown;
+ while(*p == ' ') p++;
+ close(fd);
+ return p;
+ }
+ bufoff = 0;
+ }
+ else if( bufoff < sizeof(retbuf)-1 )
+ retbuf[bufoff++] = inbuf[i];
+ }
+ }
+unknown:;
+ if( fd >= 0 ) close(fd);
+ strcpy(retbuf, "Unknown error ");
+ strcpy(retbuf+14, itoa(err));
+ return retbuf;
+}
diff --git a/libc/error/liberror.txt b/libc/error/liberror.txt
new file mode 100644
index 0000000..2b510bd
--- /dev/null
+++ b/libc/error/liberror.txt
@@ -0,0 +1,121 @@
+1 Operation not permitted
+2 No such file or directory
+3 No such process
+4 Interrupted system call
+5 I/O error
+6 No such device or address
+7 Arg list too long
+8 Exec format error
+9 Bad file number
+10 No child processes
+11 Try again
+12 Out of memory
+13 Permission denied
+14 Bad address
+15 Block device required
+16 Device or resource busy
+17 File exists
+18 Cross-device link
+19 No such device
+20 Not a directory
+21 Is a directory
+22 Invalid argument
+23 File table overflow
+24 Too many open files
+25 Not a typewriter
+26 Text file busy
+27 File too large
+28 No space left on device
+29 Illegal seek
+30 Read-only file system
+31 Too many links
+32 Broken pipe
+33 Math argument out of domain of func
+34 Math result not representable
+35 Resource deadlock would occur
+36 File name too long
+37 No record locks available
+38 Function not implemented
+39 Directory not empty
+40 Too many symbolic links encountered
+41 Operation would block
+42 No message of desired type
+43 Identifier removed
+44 Channel number out of range
+45 Level 2 not synchronized
+46 Level 3 halted
+47 Level 3 reset
+48 Link number out of range
+49 Protocol driver not attached
+50 No CSI structure available
+51 Level 2 halted
+52 Invalid exchange
+53 Invalid request descriptor
+54 Exchange full
+55 No anode
+56 Invalid request code
+57 Invalid slot
+58 File locking deadlock error
+59 Bad font file format
+60 Device not a stream
+61 No data available
+62 Timer expired
+63 Out of streams resources
+64 Machine is not on the network
+65 Package not installed
+66 Object is remote
+67 Link has been severed
+68 Advertise error
+69 Srmount error
+70 Communication error on send
+71 Protocol error
+72 Multihop attempted
+73 RFS specific error
+74 Not a data message
+75 Value too large for defined data type
+76 Name not unique on network
+77 File descriptor in bad state
+78 Remote address changed
+79 Can not access a needed shared library
+80 Accessing a corrupted shared library
+81 .lib section in a.out corrupted
+82 Attempting to link in too many shared libraries
+83 Cannot exec a shared library directly
+84 Illegal byte sequence
+85 Interrupted system call should be restarted
+86 Streams pipe error
+87 Too many users
+88 Socket operation on non-socket
+89 Destination address required
+90 Message too long
+91 Protocol wrong type for socket
+92 Protocol not available
+93 Protocol not supported
+94 Socket type not supported
+95 Operation not supported on transport endpoint
+96 Protocol family not supported
+97 Address family not supported by protocol
+98 Address already in use
+99 Cannot assign requested address
+100 Network is down
+101 Network is unreachable
+102 Network dropped connection because of reset
+103 Software caused connection abort
+104 Connection reset by peer
+105 No buffer space available
+106 Transport endpoint is already connected
+107 Transport endpoint is not connected
+108 Cannot send after transport endpoint shutdown
+109 Too many references: cannot splice
+110 Connection timed out
+111 Connection refused
+112 Host is down
+113 No route to host
+114 Operation already in progress
+115 Operation now in progress
+116 Stale NFS file handle
+117 Structure needs cleaning
+118 Not a XENIX named type file
+119 No XENIX semaphores available
+120 Is a named type file
+121 Remote I/O error
diff --git a/libc/error/perror.c b/libc/error/perror.c
new file mode 100644
index 0000000..f9b0965
--- /dev/null
+++ b/libc/error/perror.c
@@ -0,0 +1,19 @@
+
+#include <errno.h>
+
+void
+perror(str)
+__const char * str;
+{
+ register char * ptr;
+ if(str)
+ {
+ write(2, str, strlen(str));
+ write(2, ": ", 2);
+ }
+ else write(2, "perror: ", 8);
+
+ ptr = strerror(errno);
+ write(2, ptr, strlen(ptr));
+ write(2, "\n", 1);
+}
diff --git a/libc/error/sys_errlist.c b/libc/error/sys_errlist.c
new file mode 100644
index 0000000..1d9e65b
--- /dev/null
+++ b/libc/error/sys_errlist.c
@@ -0,0 +1,75 @@
+/* Copyright (C) 1996 Robert de Bath <robert@debath.thenet.co.uk>
+ * This file is part of the Linux-8086 C library and is distributed
+ * under the GNU Library General Public License.
+ */
+
+/* This is a flash way of auto-initing the error array from an external file
+ * I wouldn't be surprised tho if it's a lot better just to hard code the
+ * error messages into the array.
+ *
+ * Of course the best of all is to use strerror().
+ */
+
+#ifdef __AS386_16__
+#define NR_ERRORS 128
+
+extern char **__sys_errlist;
+extern int __sys_nerr;
+
+char *sys_errlist[NR_ERRORS];
+int sys_nerr = NR_ERRORS;
+
+#asm
+ loc 1 ! Make sure the pointer is in the correct segment
+auto_func: ! Label for bcc -M to work.
+ .word _init_vars ! Pointer to the autorun function
+ .word no_op ! Space filler cause segs are padded to 4 bytes.
+ .text ! So the function after is also in the correct seg.
+#endasm
+
+static void init_vars()
+{
+ char inbuf[256];
+ char errbuf[80];
+ int i, cc, fd, err, len, bufoff=0;
+ char * ptr;
+
+ fd = open("/usr/lib/liberror.txt", 0);
+ if( fd < 0 ) return;
+
+ for(i=0; i<NR_ERRORS; i++) sys_errlist[i] = "Unknown error";
+
+ while( (cc=read(fd, inbuf, sizeof(inbuf))) > 0 )
+ {
+ for(i=0; i<cc; i++)
+ {
+ if( inbuf[i] == '\n' )
+ {
+ errbuf[bufoff] = '\0';
+ err = atoi(errbuf);
+ ptr = strchr(errbuf, ' ');
+ if( ptr && err > 0 && err < NR_ERRORS )
+ {
+ while(*ptr == ' ') ptr++;
+ len = strlen(ptr)+1;
+ sys_errlist[err] = (void*)sbrk(len);
+ if( (int)sys_errlist[err] == -1 )
+ {
+ sys_errlist[err] == "";
+ break;
+ }
+ memcpy(sys_errlist[err], ptr, len);
+ }
+ bufoff = 0;
+ }
+ else if( bufoff < sizeof(errbuf)-1 )
+ errbuf[bufoff++] = inbuf[i];
+ }
+ }
+ close(fd);
+
+ __sys_errlist = sys_errlist;
+ __sys_nerr = sys_nerr = NR_ERRORS;
+}
+
+#endif /* __AS386_16__ */
diff --git a/libc/error/sys_siglist.c b/libc/error/sys_siglist.c
new file mode 100644
index 0000000..8f502f6
--- /dev/null
+++ b/libc/error/sys_siglist.c
@@ -0,0 +1,38 @@
+
+#include <signal.h>
+
+__const char * __const sys_siglist[NSIG] =
+{
+ "Unknown signal",
+ "Hangup",
+ "Interrupt",
+ "Quit",
+ "Illegal instruction",
+ "Trace/breakpoint trap",
+ "IOT trap/Abort",
+ "Bus error",
+ "Floating point exception",
+ "Killed",
+ "User defined signal 1",
+ "Segmentation fault",
+ "User defined signal 2",
+ "Broken pipe",
+ "Alarm clock",
+ "Terminated",
+ "Stack fault",
+ "Child exited",
+ "Continued",
+ "Stopped (signal)",
+ "Stopped",
+ "Stopped (tty input)",
+ "Stopped (tty output)",
+ "Possible I/O",
+ "CPU time limit exceeded",
+ "File size limit exceeded",
+ "Virtual time alarm",
+ "Profile signal",
+ "Window size changed",
+ "File lock lost",
+ "Power failure",
+ "Unused signal"
+};
View Lorry Controller Status