/*
* shortOptionFind
*
* Find the short option descriptor for the current option
*/
LOCAL tSuccess
shortOptionFind(tOptions* pOpts, uint_t optValue, tOptState* pOptState)
{
tOptDesc* pRes = pOpts->pOptDesc;
int ct = pOpts->optCt;
/*
* Search the option list
*/
do {
if (optValue != pRes->optValue)
continue;
if (SKIP_OPT(pRes)) {
if ( (pRes->fOptState == (OPTST_OMITTED | OPTST_NO_INIT))
&& (pRes->pz_Name != NULL)) {
fprintf(stderr, zDisabledErr, pOpts->pzProgPath, pRes->pz_Name);
if (pRes->pzText != NULL)
fprintf(stderr, " -- %s", pRes->pzText);
fputc('\n', stderr);
(*pOpts->pUsageProc)(pOpts, EXIT_FAILURE);
/* NOTREACHED */
}
goto short_opt_error;
}
pOptState->pOD = pRes;
pOptState->optType = TOPT_SHORT;
return SUCCESS;
} while (pRes++, --ct > 0);
/*
* IF the character value is a digit
* AND there is a special number option ("-n")
* THEN the result is the "option" itself and the
* option is the specially marked "number" option.
*/
if ( IS_DEC_DIGIT_CHAR(optValue)
&& (pOpts->specOptIdx.number_option != NO_EQUIVALENT) ) {
pOptState->pOD = \
pRes = pOpts->pOptDesc + pOpts->specOptIdx.number_option;
(pOpts->pzCurOpt)--;
pOptState->optType = TOPT_SHORT;
return SUCCESS;
}
short_opt_error:
/*
* IF we are to stop on errors (the default, actually)
* THEN call the usage procedure.
*/
if ((pOpts->fOptSet & OPTPROC_ERRSTOP) != 0) {
fprintf(stderr, zIllOptChr, pOpts->pzProgPath, optValue);
(*pOpts->pUsageProc)(pOpts, EXIT_FAILURE);
}
return FAILURE;
}
/**
* Alters the current line number and/or file name. You may wish to
* use this directive if you extract definition source from other files.
* @command{getdefs} uses this mechanism so AutoGen will report the correct
* file and approximate line number of any errors found in extracted
* definitions.
*/
char *
doDir_line(directive_enum_t id, char const * dir, char * scan_next)
{
(void)id;
/*
* The sequence must be: #line <number> "file-name-string"
*
* Start by scanning up to and extracting the line number.
*/
dir = SPN_WHITESPACE_CHARS(dir);
if (! IS_DEC_DIGIT_CHAR(*dir))
return scan_next;
cctx->scx_line = (int)strtol(dir, (char **)&dir, 0);
/*
* Now extract the quoted file name string.
* We dup the string so it won't disappear on us.
*/
dir = SPN_WHITESPACE_CHARS(dir);
if (*(dir++) != '"')
return scan_next;
{
char * pz = strchr(dir, '"');
if (pz == NULL)
return scan_next;
*pz = NUL;
}
AGDUPSTR(cctx->scx_fname, dir, "#line");
return scan_next;
}
/*=directive line
*
* text:
*
* Alters the current line number and/or file name. You may wish to
* use this directive if you extract definition source from other files.
* @command{getdefs} uses this mechanism so AutoGen will report the correct
* file and approximate line number of any errors found in extracted
* definitions.
=*/
static char*
doDir_line(char* pzArg, char* pzScan)
{
/*
* The sequence must be: #line <number> "file-name-string"
*
* Start by scanning up to and extracting the line number.
*/
while (IS_WHITESPACE_CHAR(*pzArg)) pzArg++;
if (! IS_DEC_DIGIT_CHAR(*pzArg))
return pzScan;
pCurCtx->lineNo = strtol(pzArg, &pzArg, 0);
/*
* Now extract the quoted file name string.
* We dup the string so it won't disappear on us.
*/
while (IS_WHITESPACE_CHAR(*pzArg)) pzArg++;
if (*(pzArg++) != '"')
return pzScan;
{
char* pz = strchr(pzArg, '"');
if (pz == NULL)
return pzScan;
*pz = NUL;
}
AGDUPSTR(pCurCtx->pzCtxFname, pzArg, "#line file name");
return pzScan;
}
/**
* Associate a name with a boolean value
*
* @param[in,out] pp argument list to add to
* @param[in] name the name of the "suboption"
* @param[in] nm_len the length of the name
* @param[in] val the boolean value for the suboption
* @param[in] d_len the length of the value
*
* @returns the new value structure
*/
static tOptionValue *
add_bool(void ** pp, char const * name, size_t nm_len,
char const * val, size_t d_len)
{
size_t sz = nm_len + sizeof(tOptionValue) + 1;
tOptionValue * new_val = AGALOC(sz, "bool val");
/*
* Scan over whitespace is constrained by "d_len"
*/
while (IS_WHITESPACE_CHAR(*val) && (d_len > 0)) {
d_len--; val++;
}
if (d_len == 0)
new_val->v.boolVal = 0;
else if (IS_DEC_DIGIT_CHAR(*val))
new_val->v.boolVal = (unsigned)atoi(val);
else new_val->v.boolVal = ! IS_FALSE_TYPE_CHAR(*val);
new_val->valType = OPARG_TYPE_BOOLEAN;
new_val->pzName = (char *)(new_val + 1);
memcpy(new_val->pzName, name, nm_len);
new_val->pzName[ nm_len ] = NUL;
addArgListEntry(pp, new_val);
return new_val;
}
/* addBoolValue
*
* Associate a name with either a string or no value.
*/
static tOptionValue*
addBoolValue( void** pp, char const* pzName, size_t nameLen,
char const* pzValue, size_t dataLen )
{
tOptionValue* pNV;
size_t sz = nameLen + sizeof(*pNV) + 1;
pNV = AGALOC( sz, "option name/bool value pair" );
if (pNV == NULL)
return NULL;
while (IS_WHITESPACE_CHAR(*pzValue) && (dataLen > 0)) {
dataLen--; pzValue++;
}
if (dataLen == 0)
pNV->v.boolVal = 0;
else if (IS_DEC_DIGIT_CHAR(*pzValue))
pNV->v.boolVal = atoi(pzValue);
else pNV->v.boolVal = ! IS_FALSE_TYPE_CHAR(*pzValue);
pNV->valType = OPARG_TYPE_BOOLEAN;
pNV->pzName = (char*)(pNV + 1);
memcpy( pNV->pzName, pzName, nameLen );
pNV->pzName[ nameLen ] = NUL;
addArgListEntry( pp, pNV );
return pNV;
}
/**
* Figure out where to insert an entry in a list of twins.
*/
LOCAL tDefEntry*
findPlace(char* name, char const * pzIndex)
{
tDefEntry* pE = getEntry();
pE->pzDefName = name;
if (pzIndex == NULL)
pE->index = NO_INDEX;
else if (IS_DEC_DIGIT_CHAR(*pzIndex) || (*pzIndex == '-'))
pE->index = strtol(pzIndex, NULL, 0);
else {
pzIndex = getDefine(pzIndex, AG_TRUE);
if (pzIndex != NULL)
pE->index = strtol(pzIndex, NULL, 0);
else pE->index = NO_INDEX;
}
strtransform(pE->pzDefName, pE->pzDefName);
pE->valType = VALTYP_UNKNOWN;
pE->pzSrcFile = (char*)pCurCtx->pzCtxFname;
pE->srcLineNum = pCurCtx->lineNo;
return (pCurrentEntry = insertDef(pE));
}
/*=gfunc version_compare
*
* what: compare two version numbers
* general_use:
*
* exparg: op, comparison operator
* exparg: v1, first version
* exparg: v2, compared-to version
*
* doc: Converts v1 and v2 strings into 64 bit values and returns the
* result of running 'op' on those values. It assumes that the version
* is a 1 to 4 part dot-separated series of numbers. Suffixes like,
* "5pre4" or "5-pre4" will be interpreted as two numbers. The first
* number ("5" in this case) will be decremented and the number after
* the "pre" will be added to 0xC000. (Unless your platform is unable
* to support 64 bit integer arithmetic. Then it will be added to 0xC0.)
* Consequently, these yield true:
* @example
* (version-compare > "5.8.5" "5.8.5-pre4")
* (version-compare > "5.8.5-pre10" "5.8.5-pre4")
* @end example
=*/
static ver_type_t
str2int_ver(char* pz)
{
char* pzStr = pz;
ver_type_t val = 0;
int ix = 4;
while (--ix >= 0) {
unsigned int v;
val <<= VER_UNIT_SHIFT;
while (IS_WHITESPACE_CHAR(*pz)) pz++;
next_number:
if (! IS_DEC_DIGIT_CHAR(*pz)) break;
v = (unsigned int)strtoul(pz, &pz, 0) & ((1 << VER_UNIT_SHIFT) - 1);
if (pz == NULL)
break;
val += v;
if (*pz == '-') pz++;
switch (*pz) {
case 'p':
if ((pz[1] == 'r') && (pz[2] == 'e')) {
pz += 3;
val = (val << 2) - 1;
val <<= (VER_UNIT_SHIFT - 2);
if (--ix < 0) goto leave_str2int_ver;
goto next_number;
}
/* FALLTHROUGH */
default:
goto leave_str2int_ver;
case '.':
if (! IS_DEC_DIGIT_CHAR(*(++pz)))
goto leave_str2int_ver;
break;
}
} leave_str2int_ver: ;
while (--ix >= 0) val <<= VER_UNIT_SHIFT;
if (OPT_VALUE_TRACE >= TRACE_EXPRESSIONS)
fprintf(pfTrace, "0x%016llX <<== '%s'\n", (long long)val, pzStr);
return val;
}
/**
* Convert a name or number into a binary number.
* "~0" and "-1" will be converted to the largest value in the enumeration.
*
* @param name the keyword name (number) to convert
* @param pOpts the program's option descriptor
* @param pOD the option descriptor for this option
* @param paz_names the list of keywords for this option
* @param name_ct the count of keywords
*/
static uintptr_t
find_name(char const * name, tOptions * pOpts, tOptDesc * pOD,
char const * const * paz_names, unsigned int name_ct)
{
/*
* Return the matching index as a pointer sized integer.
* The result gets stashed in a char * pointer.
*/
uintptr_t res = name_ct;
size_t len = strlen((char *)name);
uintptr_t idx;
if (IS_DEC_DIGIT_CHAR(*name)) {
char * pz = VOIDP(name);
unsigned long val = strtoul(pz, &pz, 0);
if ((*pz == NUL) && (val < name_ct))
return (uintptr_t)val;
pz_enum_err_fmt = znum_too_large;
option_usage_fp = stderr;
enum_err(pOpts, pOD, paz_names, (int)name_ct);
return name_ct;
}
if (IS_INVERSION_CHAR(*name) && (name[2] == NUL)) {
if ( ((name[0] == '~') && (name[1] == '0'))
|| ((name[0] == '-') && (name[1] == '1')))
return (uintptr_t)(name_ct - 1);
goto oops;
}
/*
* Look for an exact match, but remember any partial matches.
* Multiple partial matches means we have an ambiguous match.
*/
for (idx = 0; idx < name_ct; idx++) {
if (strncmp((char *)paz_names[idx], (char *)name, len) == 0) {
if (paz_names[idx][len] == NUL)
return idx; /* full match */
if (res == name_ct)
res = idx; /* save partial match */
else
res = (uintptr_t)~0; /* may yet find full match */
}
}
if (res < name_ct)
return res; /* partial match */
oops:
pz_enum_err_fmt = (res == name_ct) ? zNoKey : zambiguous_key;
option_usage_fp = stderr;
enum_err(pOpts, pOD, paz_names, (int)name_ct);
return name_ct;
}
static uintptr_t
findName(
tCC* pzName,
tOptions* pOpts,
tOptDesc* pOD,
tCC* const * paz_names,
unsigned int name_ct )
{
/*
* Return the matching index as a pointer sized integer.
* The result gets stashed in a char* pointer.
*/
uintptr_t res = name_ct;
size_t len = strlen( (char*)pzName );
uintptr_t idx;
if (IS_DEC_DIGIT_CHAR(*pzName)) {
char * pz = (char *)(void *)pzName;
unsigned long val = strtoul(pz, &pz, 0);
if ((*pz == NUL) && (val < name_ct))
return (uintptr_t)val;
enumError(pOpts, pOD, paz_names, (int)name_ct);
return name_ct;
}
/*
* Look for an exact match, but remember any partial matches.
* Multiple partial matches means we have an ambiguous match.
*/
for (idx = 0; idx < name_ct; idx++) {
if (strncmp( (char*)paz_names[idx], (char*)pzName, len) == 0) {
if (paz_names[idx][len] == NUL)
return idx; /* full match */
res = (res != name_ct) ? ~0 : idx; /* save partial match */
}
}
if (res < name_ct)
return res; /* partial match */
pz_enum_err_fmt = (res == name_ct) ? zNoKey : zAmbigKey;
option_usage_fp = stderr;
enumError(pOpts, pOD, paz_names, (int)name_ct);
return name_ct;
}
/*
* eval_true - should a string be interpreted as TRUE?
*
* It is always true unless:
*
* 1. it is the empty string
* 2. it starts with a digit and the number evaluates to zero
* 3. it starts with either "#f" or "#F"
* 4. For its length or its first five characters (whichever is less)
* it matches the string "false"
*/
static ag_bool
eval_true(void)
{
ag_bool needFree;
ag_bool res = AG_TRUE;
char const * pz = evalExpression(&needFree);
if (IS_DEC_DIGIT_CHAR(*pz))
res = (atoi(pz) == 0) ? AG_FALSE : AG_TRUE;
else switch (*pz) {
case NUL:
res = AG_FALSE;
break;
case '#':
if ((pz[1] == 'f') || (pz[1] == 'F'))
res = AG_FALSE;
break;
case 'f':
case 'F':
{
int len = strlen(pz);
if (len > 5)
len = 5;
if (strneqvcmp(EVAL_TRUE_FALSE_STR, pz, len) == 0)
res = AG_FALSE;
break;
}
}
if (needFree)
AGFREE(pz);
return res;
}
/**
* parse XML encodings
*/
static int
parse_xml_encoding(char ** ppz)
{
# define XMLTABLE \
_xmlNm_(amp, '&') \
_xmlNm_(lt, '<') \
_xmlNm_(gt, '>') \
_xmlNm_(ff, '\f') \
_xmlNm_(ht, '\t') \
_xmlNm_(cr, '\r') \
_xmlNm_(vt, '\v') \
_xmlNm_(bel, '\a') \
_xmlNm_(nl, NL) \
_xmlNm_(space, ' ') \
_xmlNm_(quot, '"') \
_xmlNm_(apos, '\'')
static struct {
char const * const nm_str;
unsigned short nm_len;
short nm_val;
} const xml_names[] = {
# define _xmlNm_(_n, _v) { #_n ";", sizeof(#_n), _v },
XMLTABLE
# undef _xmlNm_
# undef XMLTABLE
};
static int const nm_ct = sizeof(xml_names) / sizeof(xml_names[0]);
int base = 10;
char * pz = *ppz;
if (*pz == '#') {
pz++;
goto parse_number;
}
if (IS_DEC_DIGIT_CHAR(*pz)) {
unsigned long v;
parse_number:
switch (*pz) {
case 'x': case 'X':
/*
* Some forms specify hex with: &#xNN;
*/
base = 16;
pz++;
break;
case '0':
/*
*  is hex and  is decimal. Cool.
* Ya gotta love it.
*/
if (pz[1] == '0')
base = 16;
break;
}
v = strtoul(pz, &pz, base);
if ((*pz != ';') || (v > 0x7F))
return NUL;
*ppz = pz + 1;
return (int)v;
}
{
int ix = 0;
do {
if (strncmp(pz, xml_names[ix].nm_str, xml_names[ix].nm_len)
== 0) {
*ppz = pz + xml_names[ix].nm_len;
return xml_names[ix].nm_val;
}
} while (++ix < nm_ct);
}
return NUL;
}
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*
* It may be a number, a name, a keyword or garbage.
* Figure out which.
*/
static char*
assembleName(char * pzScan, te_dp_event * pRetVal)
{
/*
* Check for a number.
* Scan it in and advance "pzScan".
*/
if ( IS_DEC_DIGIT_CHAR(*pzScan)
|| ( (*pzScan == '-')
&& IS_DEC_DIGIT_CHAR(pzScan[1])
) ) {
pz_token = pzScan;
(void)strtol(pzScan, &pzScan, 0);
*pRetVal = DP_EV_NUMBER;
return pzScan;
}
if (! IS_UNQUOTABLE_CHAR(*pzScan))
AG_ABEND(aprf("%s Error: Invalid input char '%c' in %s on line %d\n",
pzProg, *pzScan, pCurCtx->pzCtxFname, pCurCtx->lineNo));
{
unsigned char* pz = (unsigned char*)pzScan;
while (IS_VALUE_NAME_CHAR(*pz)) pz++;
if (IS_UNQUOTABLE_CHAR(*pz)) {
*pRetVal = DP_EV_OTHER_NAME;
while (IS_UNQUOTABLE_CHAR(*++pz)) ;
} else
*pRetVal = DP_EV_VAR_NAME;
/*
* Return a NAME token, maybe.
* If the name is actually a keyword,
* we will return that token code instead.
*/
pz_token = pzScan;
pzScan = (char*)pz;
}
/*
* Now scan the keyword table.
*/
if (*pRetVal == DP_EV_VAR_NAME) {
char sv_ch = *pzScan; /* preserve the following character */
int kw_ix = 0;
*pzScan = NUL; /* NUL terminate the name */
do {
if (streqvcmp(apzKeywords[ kw_ix ], (char*)pz_token) == 0) {
/*
* Return the keyword token code instead of DP_EV_NAME
*/
*pRetVal = aKeywordTkn[ kw_ix ];
break;
}
} while (++kw_ix < KEYWORD_CT);
*pzScan = sv_ch; /* restore the following character */
}
return pzScan;
}
static tDefEntry *
find_by_index(tDefEntry * pE, char * pzScan)
{
int idx;
/*
* '[]' means the first entry of whatever index number
*/
if (*pzScan == ']')
return pE;
/*
* '[$]' means the last entry of whatever index number
*/
if (*pzScan == '$') {
pzScan = SPN_WHITESPACE_CHARS(pzScan + 1);
if (*pzScan != ']')
return NULL;
if (pE->pEndTwin != NULL)
return pE->pEndTwin;
return pE;
}
/*
* '[nn]' means the specified index number
*/
if (IS_DEC_DIGIT_CHAR(*pzScan)) {
char* pz;
idx = strtol(pzScan, &pz, 0);
/*
* Skip over any trailing space and make sure we have a closer
*/
pz = SPN_WHITESPACE_CHARS(pz);
if (*pz != ']')
return NULL;
}
else {
/*
* '[XX]' means get the index from our definitions
*/
char* pzDef = pzScan;
char const* pzVal;
if (! IS_VAR_FIRST_CHAR(*pzScan))
return NULL;
pzScan = SPN_VALUE_NAME_CHARS(pzScan);
/*
* Temporarily remove the character under *pzScan and
* find the corresponding defined value.
*/
{
char svch = *pzScan;
*pzScan = NUL;
pzVal = getDefine(pzDef, AG_TRUE);
*pzScan = svch;
}
/*
* Skip over any trailing space and make sure we have a closer
*/
pzScan = SPN_WHITESPACE_CHARS(pzScan);
if (*pzScan != ']')
return NULL;
/*
* make sure we found a defined value
*/
if ((pzVal == NULL) || (*pzVal == NUL))
return NULL;
idx = strtol(pzVal, &pzDef, 0);
/*
* Make sure we got a legal number
*/
if (*pzDef != NUL)
return NULL;
}
/*
* Search for the entry with the specified index.
*/
do {
if (pE->index > idx)
return NULL;
if (pE->index == idx)
break;
pE = pE->pTwin;
} while (pE != NULL);
return pE;
}
/**
* Run the FSM. Will return CGI_ST_DONE or CGI_ST_INVALID
*/
te_cgi_state
cgi_run_fsm(
char const * pzSrc,
int inlen,
char * pzOut,
int outlen )
{
te_cgi_state cgi_state = CGI_ST_INIT;
te_cgi_event trans_evt;
te_cgi_state nxtSt;
te_cgi_trans trans;
char const * saved_pzSrc = pzSrc;
int saved_inlen = inlen;
char * saved_pzOut = pzOut;
int saved_outlen = outlen;
(void)saved_pzSrc;
(void)saved_inlen;
(void)saved_pzOut;
(void)saved_outlen;
while (cgi_state < CGI_ST_INVALID) {
/* START == FIND TRANSITION == DO NOT CHANGE THIS COMMENT */
char curCh;
if (--inlen < 0) {
trans_evt = CGI_EV_END;
curCh = NUL;
} else {
if (outlen < 4) {
static char const exhaustion[] = "output space exhausted\n";
if (saved_outlen > (int)sizeof(exhaustion))
memcpy(saved_pzOut, exhaustion, sizeof(exhaustion));
return CGI_ST_INVALID;
}
curCh = *(pzSrc++);
if (IS_ALPHABETIC_CHAR( curCh ))
trans_evt = CGI_EV_ALPHA;
else if (IS_DEC_DIGIT_CHAR( curCh ))
trans_evt = CGI_EV_NAME_CHAR;
else switch (curCh) {
case '_': trans_evt = CGI_EV_NAME_CHAR; break;
case '=': trans_evt = CGI_EV_EQUAL; break;
case '+': trans_evt = CGI_EV_SPACE; curCh = ' '; break;
case '%': trans_evt = CGI_EV_ESCAPE; break;
case '&': trans_evt = CGI_EV_SEPARATOR; break;
default: trans_evt = CGI_EV_OTHER; break;
}
}
/* END == FIND TRANSITION == DO NOT CHANGE THIS COMMENT */
#ifndef __COVERITY__
if (trans_evt >= CGI_EV_INVALID) {
nxtSt = CGI_ST_INVALID;
trans = CGI_TR_INVALID;
} else
#endif /* __COVERITY__ */
{
const t_cgi_transition * ttbl =
cgi_trans_table[ cgi_state ] + trans_evt;
nxtSt = ttbl->next_state;
trans = ttbl->transition;
}
switch (trans) {
case CGI_TR_INVALID:
/* START == INVALID == DO NOT CHANGE THIS COMMENT */
exit( cgi_invalid_transition( cgi_state, trans_evt ));
/* END == INVALID == DO NOT CHANGE THIS COMMENT */
break;
case CGI_TR_NAME_EQUAL:
/* START == NAME_EQUAL == DO NOT CHANGE THIS COMMENT */
strcpy( pzOut, "='" );
outlen -= 2;
pzOut += 2;
/* END == NAME_EQUAL == DO NOT CHANGE THIS COMMENT */
break;
case CGI_TR_SEPARATE:
/* START == SEPARATE == DO NOT CHANGE THIS COMMENT */
strcpy( pzOut, "';\n" );
outlen -= 2;
pzOut += 3;
/* END == SEPARATE == DO NOT CHANGE THIS COMMENT */
break;
case CGI_TR_STASH:
/* START == STASH == DO NOT CHANGE THIS COMMENT */
*(pzOut++) = curCh;
outlen--;
/* END == STASH == DO NOT CHANGE THIS COMMENT */
break;
case CGI_TR_VALUE_ESCAPE:
/* START == VALUE_ESCAPE == DO NOT CHANGE THIS COMMENT */
{
char z[4];
if (inlen < 2)
exit( cgi_invalid_transition( cgi_state, trans_evt ));
z[0] = *(pzSrc++);
z[1] = *(pzSrc++);
z[2] = NUL;
inlen -= 2;
/*
* We must backslash quote certain characters that are %-quoted
* in the input string:
*/
switch (*(pzOut++) = (char)strtol( z, NULL, 16 )) {
case '\'':
case '\\':
case '#':
pzOut[0] = pzOut[-1];
pzOut[-1] = '\\';
pzOut++;
}
}
/* END == VALUE_ESCAPE == DO NOT CHANGE THIS COMMENT */
break;
default:
/* START == BROKEN MACHINE == DO NOT CHANGE THIS COMMENT */
exit( cgi_invalid_transition( cgi_state, trans_evt ));
/* END == BROKEN MACHINE == DO NOT CHANGE THIS COMMENT */
}
cgi_state = nxtSt;
}
return cgi_state;
}