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human readable error message upon invalid arguments 

git-svn-id: svn://svn.berlios.de/openocd/trunk@2464 b42882b7-edfa-0310-969c-e2dbd0fdcd60
This commit is contained in:
oharboe 2009-07-06 07:33:38 +00:00
parent 07f13dff2a
commit fca8cddc26
1 changed files with 13 additions and 1 deletions
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14
src/helper/command.c
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@ -2,7 +2,7 @@
* Copyright (C) 2005 by Dominic Rath *
* Dominic.Rath@gmx.de *
* *
* Copyright (C) 2007,2008 Øyvind Harboe *
* Copyright (C) 2007,2008 <EFBFBD>yvind Harboe *
* oyvind.harboe@zylin.com *
* *
* Copyright (C) 2008, Duane Ellis *
@ -867,15 +867,27 @@ long jim_global_long(const char *variable)
int parse##name(const char *str, type *ul) \
{ \
if (!*str) \
{ \
LOG_ERROR("Invalid command argument"); \
return ERROR_COMMAND_ARGUMENT_INVALID; \
} \
char *end; \
*ul = func(str, &end, 0); \
if (*end) \
{ \
LOG_ERROR("Invalid command argument"); \
return ERROR_COMMAND_ARGUMENT_INVALID; \
} \
if ((max == *ul) && (ERANGE == errno)) \
{ \
LOG_ERROR("Argument overflow"); \
return ERROR_COMMAND_ARGUMENT_OVERFLOW; \
} \
if (min && (min == *ul) && (ERANGE == errno)) \
{ \
LOG_ERROR("Argument underflow"); \
return ERROR_COMMAND_ARGUMENT_UNDERFLOW; \
} \
return ERROR_OK; \
}
DEFINE_PARSE_NUM_TYPE(_ulong, unsigned long , strtoul, 0, ULONG_MAX)