diff options
| -rw-r--r-- | include/wolf/errors.h | 13 | ||||
| -rw-r--r-- | src/GNUmakefile | 1 | ||||
| -rw-r--r-- | src/errors.c | 63 |
3 files changed, 77 insertions, 0 deletions
diff --git a/include/wolf/errors.h b/include/wolf/errors.h index c53119f..0b14356 100644 --- a/include/wolf/errors.h +++ b/include/wolf/errors.h @@ -33,6 +33,8 @@ extern "C" { #endif +#include <sys/types.h> /* for size_t */ + /** * @brief Possible error codes of the various libwolf libraries. */ @@ -47,6 +49,17 @@ typedef enum { WOLF_ERR_TIMEOUT = -7 /**< timeout */ } wolf_error_t; +/** + * Converts the last error into a human readable message. + * + * @param error the error to retrieve the textual representation for + * @param buf the buffer which will hold the error message + * @param buflen the size of the buffer + * + * @returns a pointer to buf for convenience + */ +char *wolf_error_msg( const wolf_error_t error, char *buf, size_t buflen ); + #ifdef __cplusplus } #endif diff --git a/src/GNUmakefile b/src/GNUmakefile index 43af0d5..d74ebab 100644 --- a/src/GNUmakefile +++ b/src/GNUmakefile @@ -37,6 +37,7 @@ LIBRARY_OBJS = \ library/loader.o OBJS = \ + errors.o \ $(THREADING_OBJS) \ $(PORT_OBJS) \ $(LOG_OBJS) \ diff --git a/src/errors.c b/src/errors.c new file mode 100644 index 0000000..08e94f6 --- /dev/null +++ b/src/errors.c @@ -0,0 +1,63 @@ +/* + Copyright (C) 2010 Andreas Baumann <abaumann@yahoo.com> + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. +*/ + +#include "errors.h" + +#include "port/gettext.h" /* for localization */ +#include "port/stdio.h" /* for snprintf */ + +char *wolf_error_msg( const wolf_error_t error, char *buf, size_t buflen ) { + switch( error ) { + case WOLF_OK: + snprintf( buf, buflen, _( "No error" ) ); + break; + + case WOLF_ERR_OUT_OF_MEMORY: + snprintf( buf, buflen, _( "Out of memory" ) ); + break; + + case WOLF_ERR_INVALID_STATE: + snprintf( buf, buflen, _( "Invalid state" ) ); + break; + + case WOLF_ERR_INVALID_VALUE: + snprintf( buf, buflen, _( "Invalid value" ) ); + break; + + case WOLF_ERR_INTERNAL: + snprintf( buf, buflen, _( "Internal error" ) ); + break; + + case WOLF_ERR_PROGRAMMING: + snprintf( buf, buflen, _( "Programming error" ) ); + break; + + case WOLF_ERR_NOT_IMPLEMENTED: + snprintf( buf, buflen, _( "Not implemented" ) ); + break; + + case WOLF_ERR_TIMEOUT: + snprintf( buf, buflen, _( "Timeout" ) ); + break; + + default: + snprintf( buf, buflen, _( "<unknown error>" ) ); + } + + return buf; +} + |