From 17056c5b7fb299d8c5ad980507d7e5f440c88e3f Mon Sep 17 00:00:00 2001
From: Iztok Jeras <iztok.jeras@redpitaya.com>
Date: ćšć, 08 10æ 2015 03:00:34 +0800
Subject: [PATCH] integer parser: fixed return values
---
libscpi/src/parser.c | 410 +++++++++++++++++++++++++++++++++++++++++++++++++---------
1 files changed, 343 insertions(+), 67 deletions(-)
diff --git a/libscpi/src/parser.c b/libscpi/src/parser.c
index ad7ebc4..ba8b74a 100644
--- a/libscpi/src/parser.c
+++ b/libscpi/src/parser.c
@@ -90,9 +90,25 @@
static size_t writeNewLine(scpi_t * context) {
if (context->output_count > 0) {
size_t len;
- len = writeData(context, "\r\n", 2);
+#ifndef SCPI_LINE_ENDING
+#error no termination character defined
+#endif
+ len = writeData(context, SCPI_LINE_ENDING, strlen(SCPI_LINE_ENDING));
flushData(context);
return len;
+ } else {
+ return 0;
+ }
+}
+
+/**
+ * Conditionaly write ";"
+ * @param context
+ * @return number of characters written
+ */
+static size_t writeSemicolon(scpi_t * context) {
+ if (context->output_count > 0) {
+ return writeData(context, ";", 1);
} else {
return 0;
}
@@ -106,20 +122,19 @@
const scpi_command_t * cmd = context->param_list.cmd;
lex_state_t * state = &context->param_list.lex_state;
+ /* conditionaly write ; */
+ writeSemicolon(context);
+
context->cmd_error = FALSE;
context->output_count = 0;
context->input_count = 0;
- SCPI_DEBUG_COMMAND(context);
/* if callback exists - call command callback */
if (cmd->callback != NULL) {
if ((cmd->callback(context) != SCPI_RES_OK) && !context->cmd_error) {
SCPI_ErrorPush(context, SCPI_ERROR_EXECUTION_ERROR);
}
}
-
- /* conditionaly write new line */
- writeNewLine(context);
/* set error if command callback did not read all parameters */
if (state->pos < (state->buffer + state->len) && !context->cmd_error) {
@@ -138,7 +153,7 @@
for (i = 0; context->cmdlist[i].pattern != NULL; i++) {
cmd = &context->cmdlist[i];
- if (matchCommand(cmd->pattern, header, len)) {
+ if (matchCommand(cmd->pattern, header, len, NULL, 0, 0)) {
context->param_list.cmd = cmd;
return TRUE;
}
@@ -164,6 +179,7 @@
}
state = &context->parser_state;
+ context->output_count = 0;
while (1) {
result = 0;
@@ -202,6 +218,10 @@
}
}
+
+ /* conditionaly write new line */
+ writeNewLine(context);
+
return result;
}
@@ -297,19 +317,9 @@
}
/**
- * Write integer value to the result
- * @param context
- * @param val
- * @return
- */
-size_t SCPI_ResultInt(scpi_t * context, int32_t val) {
- return SCPI_ResultIntBase(context, val, 10);
-}
-
-/**
* Return prefix of nondecimal base
* @param base
- * @return
+ * @return
*/
static const char * getBasePrefix(int8_t base) {
switch (base) {
@@ -321,19 +331,20 @@
}
/**
- * Write integer value in specific base to the result
+ * Write signed/unsigned 32 bit integer value in specific base to the result
* @param context
* @param val
* @param base
- * @return
+ * @param sign
+ * @return
*/
-size_t SCPI_ResultIntBase(scpi_t * context, int32_t val, int8_t base) {
- char buffer[33];
+static size_t resultUInt32BaseSign(scpi_t * context, uint32_t val, int8_t base, scpi_bool_t sign) {
+ char buffer[32+1];
const char * basePrefix;
size_t result = 0;
size_t len;
- len = SCPI_LongToStr(val, buffer, sizeof (buffer), base);
+ len = UInt32ToStrBaseSign(val, buffer, sizeof (buffer), base, sign);
basePrefix = getBasePrefix(base);
result += writeDelimiter(context);
@@ -346,7 +357,74 @@
}
/**
- * Write double walue to the result
+ * Write signed/unsigned 64 bit integer value in specific base to the result
+ * @param context
+ * @param val
+ * @param base
+ * @param sign
+ * @return
+ */
+static size_t resultUInt64BaseSign(scpi_t * context, uint64_t val, int8_t base, scpi_bool_t sign) {
+ char buffer[64+1];
+ const char * basePrefix;
+ size_t result = 0;
+ size_t len;
+
+ len = UInt64ToStrBaseSign(val, buffer, sizeof (buffer), base, sign);
+ basePrefix = getBasePrefix(base);
+
+ result += writeDelimiter(context);
+ if (basePrefix != NULL) {
+ result += writeData(context, basePrefix, 2);
+ }
+ result += writeData(context, buffer, len);
+ context->output_count++;
+ return result;
+}
+
+/**
+ * Write signed 32 bit integer value to the result
+ * @param context
+ * @param val
+ * @return
+ */
+size_t SCPI_ResultInt32(scpi_t * context, int32_t val) {
+ return resultUInt32BaseSign(context, val, 10, TRUE);
+}
+
+/**
+ * Write unsigned 32 bit integer value in specific base to the result
+ * Write signed/unsigned 32 bit integer value in specific base to the result
+ * @param context
+ * @param val
+ * @return
+ */
+size_t SCPI_ResultUInt32Base(scpi_t * context, uint32_t val, int8_t base) {
+ return resultUInt32BaseSign(context, val, base, FALSE);
+}
+
+/**
+ * Write signed 64 bit integer value to the result
+ * @param context
+ * @param val
+ * @return
+ */
+size_t SCPI_ResultInt64(scpi_t * context, int64_t val) {
+ return resultUInt64BaseSign(context, val, 10, TRUE);
+}
+
+/**
+ * Write unsigned 64 bit integer value in specific base to the result
+ * @param context
+ * @param val
+ * @return
+ */
+size_t SCPI_ResultUInt64Base(scpi_t * context, uint64_t val, int8_t base) {
+ return resultUInt64BaseSign(context, val, base, FALSE);
+}
+
+/**
+ * Write double value to the result
* @param context
* @param val
* @return
@@ -384,17 +462,17 @@
* @param context
* @param data
* @param len
- * @return
+ * @return
*/
size_t SCPI_ResultArbitraryBlock(scpi_t * context, const char * data, size_t len) {
size_t result = 0;
char block_header[12];
size_t header_len;
block_header[0] = '#';
- SCPI_LongToStr(len, block_header + 2, 10, 10);
+ SCPI_UInt32ToStrBase((uint32_t) len, block_header + 2, 10, 10);
header_len = strlen(block_header + 2);
- block_header[1] = header_len + '0';
+ block_header[1] = (char)(header_len + '0');
result += writeData(context, block_header, header_len + 2);
result += writeData(context, data, len);
@@ -410,7 +488,7 @@
* @return
*/
size_t SCPI_ResultBool(scpi_t * context, scpi_bool_t val) {
- return SCPI_ResultIntBase(context, val ? 1 : 0, 10);
+ return resultUInt32BaseSign(context, val ? 1 : 0, 10, FALSE);
}
/* parsing parameters */
@@ -431,7 +509,7 @@
* @param context
* @param parameter
* @param mandatory
- * @return
+ * @return
*/
scpi_bool_t SCPI_Parameter(scpi_t * context, scpi_parameter_t * parameter, scpi_bool_t mandatory) {
lex_state_t * state;
@@ -489,7 +567,7 @@
* Detect if parameter is number
* @param parameter
* @param suffixAllowed
- * @return
+ * @return
*/
scpi_bool_t SCPI_ParamIsNumber(scpi_parameter_t * parameter, scpi_bool_t suffixAllowed) {
switch (parameter->type) {
@@ -506,13 +584,14 @@
}
/**
- * Convert parameter to integer
+ * Convert parameter to signed/unsigned 32 bit integer
* @param context
* @param parameter
* @param value result
- * @return true if succesful
+ * @param sign
+ * @return TRUE if succesful
*/
-scpi_bool_t SCPI_ParamToInt(scpi_t * context, scpi_parameter_t * parameter, int32_t * value) {
+static scpi_bool_t ParamSignToUInt32(scpi_t * context, scpi_parameter_t * parameter, uint32_t * value, scpi_bool_t sign) {
if (!value) {
SCPI_ErrorPush(context, SCPI_ERROR_SYSTEM_ERROR);
@@ -521,16 +600,99 @@
switch (parameter->type) {
case SCPI_TOKEN_HEXNUM:
- return strToLong(parameter->ptr, value, 16) > 0 ? TRUE : FALSE;
+ return strBaseToUInt32(parameter->ptr, value, 16) > 0 ? TRUE : FALSE;
case SCPI_TOKEN_OCTNUM:
- return strToLong(parameter->ptr, value, 8) > 0 ? TRUE : FALSE;
+ return strBaseToUInt32(parameter->ptr, value, 8) > 0 ? TRUE : FALSE;
case SCPI_TOKEN_BINNUM:
- return strToLong(parameter->ptr, value, 2) > 0 ? TRUE : FALSE;
+ return strBaseToUInt32(parameter->ptr, value, 2) > 0 ? TRUE : FALSE;
case SCPI_TOKEN_DECIMAL_NUMERIC_PROGRAM_DATA:
case SCPI_TOKEN_DECIMAL_NUMERIC_PROGRAM_DATA_WITH_SUFFIX:
- return strToLong(parameter->ptr, value, 10) > 0 ? TRUE : FALSE;
+ if (sign) {
+ return strBaseToInt32(parameter->ptr, (int32_t *)value, 10) > 0 ? TRUE : FALSE;
+ } else {
+ return strBaseToUInt32(parameter->ptr, value, 10) > 0 ? TRUE : FALSE;
+ }
+ default:
+ return FALSE;
}
- return FALSE;
+}
+
+/**
+ * Convert parameter to signed/unsigned 64 bit integer
+ * @param context
+ * @param parameter
+ * @param value result
+ * @param sign
+ * @return TRUE if succesful
+ */
+static scpi_bool_t ParamSignToUInt64(scpi_t * context, scpi_parameter_t * parameter, uint64_t * value, scpi_bool_t sign) {
+
+ if (!value) {
+ SCPI_ErrorPush(context, SCPI_ERROR_SYSTEM_ERROR);
+ return FALSE;
+ }
+
+ switch (parameter->type) {
+ case SCPI_TOKEN_HEXNUM:
+ return strBaseToUInt64(parameter->ptr, value, 16) > 0 ? TRUE : FALSE;
+ case SCPI_TOKEN_OCTNUM:
+ return strBaseToUInt64(parameter->ptr, value, 8) > 0 ? TRUE : FALSE;
+ case SCPI_TOKEN_BINNUM:
+ return strBaseToUInt64(parameter->ptr, value, 2) > 0 ? TRUE : FALSE;
+ case SCPI_TOKEN_DECIMAL_NUMERIC_PROGRAM_DATA:
+ case SCPI_TOKEN_DECIMAL_NUMERIC_PROGRAM_DATA_WITH_SUFFIX:
+ if (sign) {
+ return strBaseToInt64(parameter->ptr, (int64_t *)value, 10) > 0 ? TRUE : FALSE;
+ } else {
+ return strBaseToUInt64(parameter->ptr, value, 10) > 0 ? TRUE : FALSE;
+ }
+ default:
+ return FALSE;
+ }
+}
+
+/**
+ * Convert parameter to signed 32 bit integer
+ * @param context
+ * @param parameter
+ * @param value result
+ * @return TRUE if succesful
+ */
+scpi_bool_t SCPI_ParamToInt32(scpi_t * context, scpi_parameter_t * parameter, int32_t * value) {
+ return ParamSignToUInt32(context, parameter, (uint32_t *)value, TRUE);
+}
+
+/**
+ * Convert parameter to unsigned 32 bit integer
+ * @param context
+ * @param parameter
+ * @param value result
+ * @return TRUE if succesful
+ */
+scpi_bool_t SCPI_ParamToUInt32(scpi_t * context, scpi_parameter_t * parameter, uint32_t * value) {
+ return ParamSignToUInt32(context, parameter, value, FALSE);
+}
+
+/**
+ * Convert parameter to signed 64 bit integer
+ * @param context
+ * @param parameter
+ * @param value result
+ * @return TRUE if succesful
+ */
+scpi_bool_t SCPI_ParamToInt64(scpi_t * context, scpi_parameter_t * parameter, int64_t * value) {
+ return ParamSignToUInt64(context, parameter, (uint64_t *)value, TRUE);
+}
+
+/**
+ * Convert parameter to unsigned 32 bit integer
+ * @param context
+ * @param parameter
+ * @param value result
+ * @return TRUE if succesful
+ */
+scpi_bool_t SCPI_ParamToUInt64(scpi_t * context, scpi_parameter_t * parameter, uint64_t * value) {
+ return ParamSignToUInt64(context, parameter, value, FALSE);
}
/**
@@ -538,11 +700,12 @@
* @param context
* @param parameter
* @param value result
- * @return true if succesful
+ * @return TRUE if succesful
*/
+#include "stdio.h"
scpi_bool_t SCPI_ParamToDouble(scpi_t * context, scpi_parameter_t * parameter, double * value) {
- scpi_bool_t result = FALSE;
- int32_t valint;
+ scpi_bool_t result;
+ uint32_t valint;
if (!value) {
SCPI_ErrorPush(context, SCPI_ERROR_SYSTEM_ERROR);
@@ -553,13 +716,15 @@
case SCPI_TOKEN_HEXNUM:
case SCPI_TOKEN_OCTNUM:
case SCPI_TOKEN_BINNUM:
- result = SCPI_ParamToInt(context, parameter, &valint);
+ result = SCPI_ParamToUInt32(context, parameter, &valint);
*value = valint;
break;
case SCPI_TOKEN_DECIMAL_NUMERIC_PROGRAM_DATA:
case SCPI_TOKEN_DECIMAL_NUMERIC_PROGRAM_DATA_WITH_SUFFIX:
result = strToDouble(parameter->ptr, value) > 0 ? TRUE : FALSE;
break;
+ default:
+ result = FALSE;
}
return result;
}
@@ -569,7 +734,7 @@
* @param context
* @param value
* @param mandatory
- * @return
+ * @return
*/
scpi_bool_t SCPI_ParamDouble(scpi_t * context, double * value, scpi_bool_t mandatory) {
scpi_bool_t result;
@@ -596,13 +761,14 @@
}
/**
- * Read integer parameter
+ * Read signed/unsigned 32 bit integer parameter
* @param context
* @param value
* @param mandatory
- * @return
+ * @param sign
+ * @return
*/
-scpi_bool_t SCPI_ParamInt(scpi_t * context, int32_t * value, scpi_bool_t mandatory) {
+static scpi_bool_t ParamSignUInt32(scpi_t * context, uint32_t * value, scpi_bool_t mandatory, scpi_bool_t sign) {
scpi_bool_t result;
scpi_parameter_t param;
@@ -614,7 +780,7 @@
result = SCPI_Parameter(context, ¶m, mandatory);
if (result) {
if (SCPI_ParamIsNumber(¶m, FALSE)) {
- SCPI_ParamToInt(context, ¶m, value);
+ result = ParamSignToUInt32(context, ¶m, value, sign);
} else if (SCPI_ParamIsNumber(¶m, TRUE)) {
SCPI_ErrorPush(context, SCPI_ERROR_SUFFIX_NOT_ALLOWED);
result = FALSE;
@@ -627,12 +793,88 @@
}
/**
+ * Read signed/unsigned 64 bit integer parameter
+ * @param context
+ * @param value
+ * @param mandatory
+ * @param sign
+ * @return
+ */
+static scpi_bool_t ParamSignUInt64(scpi_t * context, uint64_t * value, scpi_bool_t mandatory, scpi_bool_t sign) {
+ scpi_bool_t result;
+ scpi_parameter_t param;
+
+ if (!value) {
+ SCPI_ErrorPush(context, SCPI_ERROR_SYSTEM_ERROR);
+ return FALSE;
+ }
+
+ result = SCPI_Parameter(context, ¶m, mandatory);
+ if (result) {
+ if (SCPI_ParamIsNumber(¶m, FALSE)) {
+ result = ParamSignToUInt64(context, ¶m, value, sign);
+ } else if (SCPI_ParamIsNumber(¶m, TRUE)) {
+ SCPI_ErrorPush(context, SCPI_ERROR_SUFFIX_NOT_ALLOWED);
+ result = FALSE;
+ } else {
+ SCPI_ErrorPush(context, SCPI_ERROR_DATA_TYPE_ERROR);
+ result = FALSE;
+ }
+ }
+ return result;
+}
+
+/**
+ * Read signed 32 bit integer parameter
+ * @param context
+ * @param value
+ * @param mandatory
+ * @return
+ */
+scpi_bool_t SCPI_ParamInt32(scpi_t * context, int32_t * value, scpi_bool_t mandatory) {
+ return ParamSignUInt32(context, (uint32_t *)value, mandatory, TRUE);
+}
+
+/**
+ * Read unsigned 32 bit integer parameter
+ * @param context
+ * @param value
+ * @param mandatory
+ * @return
+ */
+scpi_bool_t SCPI_ParamUInt32(scpi_t * context, uint32_t * value, scpi_bool_t mandatory) {
+ return ParamSignUInt32(context, value, mandatory, FALSE);
+}
+
+/**
+ * Read signed 64 bit integer parameter
+ * @param context
+ * @param value
+ * @param mandatory
+ * @return
+ */
+scpi_bool_t SCPI_ParamInt64(scpi_t * context, int64_t * value, scpi_bool_t mandatory) {
+ return ParamSignUInt64(context, (uint64_t *)value, mandatory, TRUE);
+}
+
+/**
+ * Read unsigned 64 bit integer parameter
+ * @param context
+ * @param value
+ * @param mandatory
+ * @return
+ */
+scpi_bool_t SCPI_ParamUInt64(scpi_t * context, uint64_t * value, scpi_bool_t mandatory) {
+ return ParamSignUInt64(context, value, mandatory, FALSE);
+}
+
+/**
* Read character parameter
* @param context
* @param value
* @param len
* @param mandatory
- * @return
+ * @return
*/
scpi_bool_t SCPI_ParamCharacters(scpi_t * context, const char ** value, size_t * len, scpi_bool_t mandatory) {
scpi_bool_t result;
@@ -645,8 +887,17 @@
result = SCPI_Parameter(context, ¶m, mandatory);
if (result) {
- *value = param.ptr;
- *len = param.len;
+ switch(param.type) {
+ case SCPI_TOKEN_SINGLE_QUOTE_PROGRAM_DATA:
+ case SCPI_TOKEN_DOUBLE_QUOTE_PROGRAM_DATA:
+ *value = param.ptr + 1;
+ *len = param.len - 2;
+ break;
+ default:
+ *value = param.ptr;
+ *len = param.len;
+ break;
+ }
// TODO: return also parameter type (ProgramMnemonic, ArbitraryBlockProgramData, SingleQuoteProgramData, DoubleQuoteProgramData
}
@@ -660,7 +911,7 @@
* @param value result pointer to data
* @param len result length of data
* @param mandatory
- * @return
+ * @return
*/
scpi_bool_t SCPI_ParamArbitraryBlock(scpi_t * context, const char ** value, size_t * len, scpi_bool_t mandatory) {
scpi_bool_t result;
@@ -704,7 +955,7 @@
case SCPI_TOKEN_SINGLE_QUOTE_PROGRAM_DATA:
case SCPI_TOKEN_DOUBLE_QUOTE_PROGRAM_DATA:
quote = param.type == SCPI_TOKEN_SINGLE_QUOTE_PROGRAM_DATA ? '\'' : '"';
- for (i_from = 0, i_to = 0; i_from < (size_t) param.len; i_from++) {
+ for (i_from = 1, i_to = 0; i_from < (size_t) (param.len - 1); i_from++) {
if (i_from >= buffer_len) {
break;
}
@@ -713,6 +964,10 @@
if (param.ptr[i_from] == quote) {
i_from++;
}
+ }
+ *copy_len = i_to;
+ if (i_to < buffer_len) {
+ buffer[i_to] = 0;
}
break;
default:
@@ -730,7 +985,7 @@
* @param parameter - should be PROGRAM_MNEMONIC
* @param options - NULL terminated list of choices
* @param value - index to options
- * @return
+ * @return
*/
scpi_bool_t SCPI_ParamToChoice(scpi_t * context, scpi_parameter_t * parameter, const scpi_choice_def_t * options, int32_t * value) {
size_t res;
@@ -743,7 +998,7 @@
if (parameter->type == SCPI_TOKEN_PROGRAM_MNEMONIC) {
for (res = 0; options[res].name; ++res) {
- if (matchPattern(options[res].name, strlen(options[res].name), parameter->ptr, parameter->len)) {
+ if (matchPattern(options[res].name, strlen(options[res].name), parameter->ptr, parameter->len, NULL)) {
*value = options[res].tag;
result = TRUE;
break;
@@ -765,7 +1020,7 @@
* @param options specifications of choices numbers (patterns)
* @param tag numerical representatio of choice
* @param text result text
- * @return true if succesfule, else false
+ * @return TRUE if succesfule, else FALSE
*/
scpi_bool_t SCPI_ChoiceToName(const scpi_choice_def_t * options, int32_t tag, const char ** text) {
int i;
@@ -785,7 +1040,7 @@
* @param context
* @param value
* @param mandatory
- * @return
+ * @return
*/
scpi_bool_t SCPI_ParamBool(scpi_t * context, scpi_bool_t * value, scpi_bool_t mandatory) {
scpi_bool_t result;
@@ -807,7 +1062,7 @@
if (result) {
if (param.type == SCPI_TOKEN_DECIMAL_NUMERIC_PROGRAM_DATA) {
- SCPI_ParamToInt(context, ¶m, &intval);
+ SCPI_ParamToInt32(context, ¶m, &intval);
*value = intval ? TRUE : FALSE;
} else {
result = SCPI_ParamToChoice(context, ¶m, bool_options, &intval);
@@ -826,7 +1081,7 @@
* @param options
* @param value
* @param mandatory
- * @return
+ * @return
*/
scpi_bool_t SCPI_ParamChoice(scpi_t * context, const scpi_choice_def_t * options, int32_t * value, scpi_bool_t mandatory) {
scpi_bool_t result;
@@ -849,7 +1104,7 @@
* Parse one parameter and detect type
* @param state
* @param token
- * @return
+ * @return
*/
int scpiParser_parseProgramData(lex_state_t * state, scpi_token_t * token) {
scpi_token_t tmp;
@@ -888,7 +1143,7 @@
* @param state
* @param token
* @param numberOfParameters
- * @return
+ * @return
*/
int scpiParser_parseAllProgramData(lex_state_t * state, scpi_token_t * token, int * numberOfParameters) {
@@ -938,7 +1193,7 @@
* @param state
* @param buffer
* @param len
- * @return
+ * @return
*/
int scpiParser_detectProgramMessageUnit(scpi_parser_state_t * state, char * buffer, int len) {
lex_state_t lex_state;
@@ -991,15 +1246,17 @@
* - suitable for one handle to multiple commands
* @param context
* @param cmd
- * @return
+ * @return
*/
scpi_bool_t SCPI_IsCmd(scpi_t * context, const char * cmd) {
+ const char * pattern;
+
if (!context->param_list.cmd) {
return FALSE;
}
- const char * pattern = context->param_list.cmd->pattern;
- return matchCommand(pattern, cmd, strlen(cmd));
+ pattern = context->param_list.cmd->pattern;
+ return matchCommand (pattern, cmd, strlen (cmd), NULL, 0, 0);
}
/**
@@ -1016,11 +1273,30 @@
}
scpi_bool_t SCPI_Match(const char * pattern, const char * value, size_t len) {
- return matchCommand (pattern, value, len);
+ return matchCommand (pattern, value, len, NULL, 0, 0);
}
+scpi_bool_t SCPI_CommandNumbers(scpi_t * context, int32_t * numbers, size_t len, int32_t default_value) {
+ return matchCommand (context->param_list.cmd->pattern, context->param_list.cmd_raw.data, context->param_list.cmd_raw.length, numbers, len, default_value);
+}
+/**
+ * If SCPI_Parameter() returns FALSE, this function can detect, if the parameter
+ * is just missing (TRUE) or if there was an error during processing of the command (FALSE)
+ * @param parameter
+ * @return
+ */
+scpi_bool_t SCPI_ParamIsValid(scpi_parameter_t * parameter)
+{
+ return parameter->type == SCPI_TOKEN_UNKNOWN ? FALSE : TRUE;
+}
-
-
-
+/**
+ * Returns TRUE if there was an error during parameter handling
+ * @param context
+ * @return
+ */
+scpi_bool_t SCPI_ParamErrorOccurred(scpi_t * context)
+{
+ return context->cmd_error;
+}
--
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