From 98a18b797c63ea9baab31768ed720ad32c0004e8 Mon Sep 17 00:00:00 2001 From: Guillaume Cottenceau Date: Mon, 14 May 2001 21:47:42 +0000 Subject: i can compile slang and newt with dietlibc now --- mdk-stage1/slang/slerr.c | 181 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 181 insertions(+) create mode 100644 mdk-stage1/slang/slerr.c (limited to 'mdk-stage1/slang/slerr.c') diff --git a/mdk-stage1/slang/slerr.c b/mdk-stage1/slang/slerr.c new file mode 100644 index 000000000..139b3859b --- /dev/null +++ b/mdk-stage1/slang/slerr.c @@ -0,0 +1,181 @@ +/* error handling common to all routines. */ +/* Copyright (c) 1992, 1999, 2001 John E. Davis + * This file is part of the S-Lang library. + * + * You may distribute under the terms of either the GNU General Public + * License or the Perl Artistic License. + */ + +#include "slinclud.h" + +#include "slang.h" +#include "_slang.h" + +void (*SLang_VMessage_Hook) (char *, va_list); +void (*SLang_Error_Hook)(char *); +void (*SLang_Exit_Error_Hook)(char *, va_list); +volatile int SLang_Error = 0; +char *SLang_Error_Message; +volatile int SLKeyBoard_Quit = 0; + +static char *get_error_string (void) +{ + char *str; + + if (!SLang_Error) SLang_Error = SL_UNKNOWN_ERROR; + if (SLang_Error_Message != NULL) str = SLang_Error_Message; + else switch(SLang_Error) + { + case SL_NOT_IMPLEMENTED: str = "Not Implemented"; break; + case SL_APPLICATION_ERROR: str = "Application Error"; break; + case SL_VARIABLE_UNINITIALIZED: str = "Variable Uninitialized"; break; + case SL_MALLOC_ERROR : str = "Malloc Error"; break; + case SL_INTERNAL_ERROR: str = "Internal Error"; break; + case SL_STACK_OVERFLOW: str = "Stack Overflow"; break; + case SL_STACK_UNDERFLOW: str = "Stack Underflow"; break; + case SL_INTRINSIC_ERROR: str = "Intrinsic Error"; break; + case SL_USER_BREAK: str = "User Break"; break; + case SL_UNDEFINED_NAME: str = "Undefined Name"; break; + case SL_SYNTAX_ERROR: str = "Syntax Error"; break; + case SL_DUPLICATE_DEFINITION: str = "Duplicate Definition"; break; + case SL_TYPE_MISMATCH: str = "Type Mismatch"; break; + case SL_READONLY_ERROR: str = "Variable is read-only"; break; + case SL_DIVIDE_ERROR: str = "Divide by zero"; break; + case SL_OBJ_NOPEN: str = "Object not opened"; break; + case SL_OBJ_UNKNOWN: str = "Object unknown"; break; + case SL_INVALID_PARM: str = "Invalid Parameter"; break; + case SL_TYPE_UNDEFINED_OP_ERROR: + str = "Operation not defined for datatype"; break; + case SL_USER_ERROR: + str = "User Error"; break; + case SL_USAGE_ERROR: + str = "Illegal usage of function"; + break; + case SL_FLOATING_EXCEPTION: + str = "Floating Point Exception"; + break; + case SL_UNKNOWN_ERROR: + default: str = "Unknown Error Code"; + } + + SLang_Error_Message = NULL; + return str; +} + +void SLang_doerror (char *error) +{ + char *str = NULL; + char *err; + char *malloced_err_buf; + char err_buf [1024]; + + malloced_err_buf = NULL; + + if (((SLang_Error == SL_USER_ERROR) + || (SLang_Error == SL_USAGE_ERROR)) + && (error != NULL) && (*error != 0)) + err = error; + else + { + char *sle = "S-Lang Error: "; + unsigned int len; + char *fmt; + + str = get_error_string (); + + fmt = "%s%s%s"; + if ((error == NULL) || (*error == 0)) + error = ""; + else if (SLang_Error == SL_UNKNOWN_ERROR) + /* Do not display an unknown error message if error is non-NULL */ + str = ""; + else + fmt = "%s%s: %s"; + + len = strlen (sle) + strlen (str) + strlen(error) + 1; + + err = err_buf; + if (len >= sizeof (err_buf)) + { + if (NULL == (malloced_err_buf = SLmalloc (len))) + err = NULL; + else + err = malloced_err_buf; + } + + if (err != NULL) sprintf (err, fmt, sle, str, error); + else err = "Out of memory"; + } + + if (SLang_Error_Hook == NULL) + { + fputs (err, stderr); + fputs("\r\n", stderr); + fflush (stderr); + } + else + (*SLang_Error_Hook)(err); + + SLfree (malloced_err_buf); +} + +void SLang_verror (int err_code, char *fmt, ...) +{ + va_list ap; + char err [1024]; + + if (err_code == 0) err_code = SL_INTRINSIC_ERROR; + if (SLang_Error == 0) SLang_Error = err_code; + + if (fmt != NULL) + { + va_start(ap, fmt); + (void) _SLvsnprintf (err, sizeof (err), fmt, ap); + fmt = err; + va_end(ap); + } + + SLang_doerror (fmt); +} + +void SLang_exit_error (char *fmt, ...) +{ + va_list ap; + + va_start (ap, fmt); + if (SLang_Exit_Error_Hook != NULL) + { + (*SLang_Exit_Error_Hook) (fmt, ap); + exit (1); + } + + if (fmt != NULL) + { + vfprintf (stderr, fmt, ap); + fputs ("\r\n", stderr); + fflush (stderr); + } + va_end (ap); + + exit (1); +} + +void SLang_vmessage (char *fmt, ...) +{ + va_list ap; + + if (fmt == NULL) + return; + + va_start (ap, fmt); + + if (SLang_VMessage_Hook != NULL) + (*SLang_VMessage_Hook) (fmt, ap); + else + { + vfprintf (stdout, fmt, ap); + fputs ("\r\n", stdout); + } + + va_end (ap); +} -- cgit v1.2.1