/*
* Set the minimum allocated space and/or the maximum string length.
* If length < current dsPtr->len truncates string, else sets minimum allocated space.
* RETURNS: currently allocated space.
*/
int
Jsi_DSSetLength(Jsi_DString *dsPtr, int length)
{
if (DSNotInit(dsPtr))
InitStr(dsPtr);
if (length < 0)
return dsPtr->spaceAvl;
if (length >= JSI_MAX_ALLOC_BUF) {
LogError("max alloc exceeded %d", length);
length = JSI_MAX_ALLOC_BUF-1;
}
if (length >= dsPtr->spaceAvl) {
int isStatic = (dsPtr->staticSpace == dsPtr->str);
dsPtr->spaceAvl = length;
if (isStatic == 0 || length >= dsPtr->staticSize) {
char *newString = (char *) Jsi_Realloc((isStatic?NULL:dsPtr->str), (unsigned) (dsPtr->spaceAvl+1));
if (!newString) {
LogError("malloc failed %d", dsPtr->spaceAvl+1);
return -1;
}
dsPtr->str = newString;
if (isStatic && dsPtr->len>0)
memcpy(dsPtr->str, dsPtr->staticSpace, (size_t) (dsPtr->len+1));
}
}
if (length < dsPtr->len) {
dsPtr->str[length] = 0;
dsPtr->len = length;
}
return dsPtr->spaceAvl;
}
void jsi_ScopeStrsPush(struct jsi_Pstate *ps, Jsi_ScopeStrs *ss, const char *string)
{
if (ss->count >= ss->_size) {
ss->_size += 5;
ss->strings = Jsi_Realloc(ss->strings, (ss->_size) * sizeof(char *));
}
ss->strings[ss->count] = (char*)Jsi_KeyAdd(ps->interp, string);
ss->count++;
}
/*
*----------------------------------------------------------------------
*
* JsiCreatePipeline --
*
* Given an argc/argv array, instantiate a pipeline of processes
* as described by the argv.
*
* Results:
* The return value is a count of the number of new processes
* created, or -1 if an error occurred while creating the pipeline.
* *pidArrayPtr is filled in with the address of a dynamically
* allocated array giving the ids of all of the processes. It
* is up to the caller to free this array when it isn't needed
* anymore. If inPipePtr is non-NULL, *inPipePtr is filled in
* with the file id for the input pipe for the pipeline (if any):
* the caller must eventually close this file. If outPipePtr
* isn't NULL, then *outPipePtr is filled in with the file id
* for the output pipe from the pipeline: the caller must close
* this file. If errFilePtr isn't NULL, then *errFilePtr is filled
* with a file id that may be used to read error output after the
* pipeline completes.
*
* Side effects:
* Processes and pipes are created.
*
*----------------------------------------------------------------------
*/
static int
JsiCreatePipeline(Jsi_Interp *interp, Jsi_Value* args, int argc, pidtype **pidArrayPtr,
fdtype *inPipePtr, fdtype *outPipePtr, fdtype *errFilePtr)
{
pidtype *pidPtr = NULL; /* Points to malloc-ed array holding all
* the pids of child processes. */
int numPids = 0; /* Actual number of processes that exist
* at *pidPtr right now. */
int cmdCount; /* Count of number of distinct commands
* found in argc/argv. */
const char *input = NULL; /* Describes input for pipeline, depending
* on "inputFile". NULL means take input
* from stdin/pipe. */
#define FILE_NAME 0 /* input/output: filename */
#define FILE_APPEND 1 /* output only: filename, append */
#define FILE_HANDLE 2 /* input/output: filehandle */
#define FILE_TEXT 3 /* input only: input is actual text */
int inputFile = FILE_NAME; /* 1 means input is name of input file.
* 2 means input is filehandle name.
* 0 means input holds actual
* text to be input to command. */
int outputFile = FILE_NAME; /* 0 means output is the name of output file.
* 1 means output is the name of output file, and append.
* 2 means output is filehandle name.
* All this is ignored if output is NULL
*/
int errorFile = FILE_NAME; /* 0 means error is the name of error file.
* 1 means error is the name of error file, and append.
* 2 means error is filehandle name.
* All this is ignored if error is NULL
*/
const char *output = NULL; /* Holds name of output file to pipe to,
* or NULL if output goes to stdout/pipe. */
const char *error = NULL; /* Holds name of stderr file to pipe to,
* or NULL if stderr goes to stderr/pipe. */
fdtype inputId = JSI_BAD_FD;
/* Readable file id input to current command in
* pipeline (could be file or pipe). JSI_BAD_FD
* means use stdin. */
fdtype outputId = JSI_BAD_FD;
/* Writable file id for output from current
* command in pipeline (could be file or pipe).
* JSI_BAD_FD means use stdout. */
fdtype errorId = JSI_BAD_FD;
/* Writable file id for all standard error
* output from all commands in pipeline. JSI_BAD_FD
* means use stderr. */
fdtype lastOutputId = JSI_BAD_FD;
/* Write file id for output from last command
* in pipeline (could be file or pipe).
* -1 means use stdout. */
fdtype pipeIds[2]; /* File ids for pipe that's being created. */
int firstArg, lastArg; /* Indexes of first and last arguments in
* current command. */
int lastBar;
int i;
pidtype pid;
char **save_environ;
struct WaitInfoTable *table = jsi_ExecCmdData(interp); /* TODO: mutex??? */
/*int argc = Jsi_ValueGetLength(interp, args);*/
/* Holds the args which will be used to exec */
char **arg_array = Jsi_Calloc((argc + 1), sizeof(*arg_array));
int arg_count = 0;
JsiReapDetachedPids(table);
if (inPipePtr != NULL) {
*inPipePtr = JSI_BAD_FD;
}
if (outPipePtr != NULL) {
*outPipePtr = JSI_BAD_FD;
}
if (errFilePtr != NULL) {
*errFilePtr = JSI_BAD_FD;
}
pipeIds[0] = pipeIds[1] = JSI_BAD_FD;
/*
* First, scan through all the arguments to figure out the structure
* of the pipeline. Count the number of distinct processes (it's the
* number of "|" arguments). If there are "<", "<<", or ">" arguments
* then make note of input and output redirection and remove these
* arguments and the arguments that follow them.
*/
cmdCount = 1;
lastBar = -1;
for (i = 0; i < argc; i++) {
if (i == 0) {
FileNormalize(interp, Jsi_ValueArrayIndex(interp, args, 0));
}
const char *arg = Jsi_ValueArrayIndexToStr(interp, args, i, NULL);
if (arg[0] == '<') {
inputFile = FILE_NAME;
input = arg + 1;
if (*input == '<') {
inputFile = FILE_TEXT; // TODO: make this or @ from a var
input++;
}
else if (*input == '@') {
inputFile = FILE_HANDLE;
input++;
}
if (!*input && ++i < argc) {
input = Jsi_ValueArrayIndexToStr(interp, args, i, NULL);
}
}
else if (arg[0] == '>') {
int dup_error = 0;
outputFile = FILE_NAME;
output = arg + 1;
if (*output == '>') {
outputFile = FILE_APPEND;
output++;
}
if (*output == '&') {
/* Redirect stderr too */
output++;
dup_error = 1;
}
if (*output == '@') {
outputFile = FILE_HANDLE;
output++;
}
if (!*output && ++i < argc) {
output = Jsi_ValueArrayIndexToStr(interp, args, i, NULL);
}
if (dup_error) {
errorFile = outputFile;
error = output;
}
}
else if (arg[0] == '2' && arg[1] == '>') {
error = arg + 2;
errorFile = FILE_NAME;
if (*error == '@' || (*error == '&' && error[1] == '1')) {
errorFile = FILE_HANDLE;
error++;
}
else if (*error == '>') {
errorFile = FILE_APPEND;
error++;
}
if (!*error && ++i < argc) {
error = Jsi_ValueArrayIndexToStr(interp, args, i, NULL);
}
}
else {
if (Jsi_Strcmp(arg, "|") == 0 || Jsi_Strcmp(arg, "|&") == 0) {
if (i == lastBar + 1 || i == argc - 1) {
Jsi_LogError("illegal use of | or |& in command");
goto badargs;
}
lastBar = i;
cmdCount++;
}
/* Either |, |& or a "normal" arg, so store it in the arg array */
arg_array[arg_count++] = (char *)arg;
continue;
}
if (i >= argc) {
Jsi_LogError("can't specify \"%s\" as last word in command", arg);
goto badargs;
}
}
if (arg_count == 0) {
Jsi_LogError("didn't specify command to execute");
badargs:
Jsi_Free(arg_array);
return -1;
}
/* Must do this before vfork(), so do it now */
save_environ = JsiSaveEnv(JsiBuildEnv(interp));
/*
* Set up the redirected input source for the pipeline, if
* so requested.
*/
if (input != NULL) {
if (inputFile == FILE_TEXT) {
/*
* Immediate data in command. Create temporary file and
* put data into file.
*/
inputId = JsiCreateTemp(interp, input);
if (inputId == JSI_BAD_FD) {
goto error;
}
}
else if (inputFile == FILE_HANDLE) {
/* Should be a file descriptor */
FILE *fh = JsiGetAioFilehandle(interp, input);
if (fh == NULL) {
goto error;
}
inputId = JsiDupFd(JsiFileno(fh));
}
else {
/*
* File redirection. Just open the file.
*/
inputId = JsiOpenForRead(interp, input);
if (inputId == JSI_BAD_FD) {
Jsi_LogError("couldn't read file \"%s\": %s", input, JsiStrError());
goto error;
}
}
}
else if (inPipePtr != NULL) {
if (JsiPipe(pipeIds) != 0) {
Jsi_LogError("couldn't create input pipe for command");
goto error;
}
inputId = pipeIds[0];
*inPipePtr = pipeIds[1];
pipeIds[0] = pipeIds[1] = JSI_BAD_FD;
}
/*
* Set up the redirected output sink for the pipeline from one
* of two places, if requested.
*/
if (output != NULL) {
if (outputFile == FILE_HANDLE) {
FILE *fh = JsiGetAioFilehandle(interp, output);
if (fh == NULL) {
goto error;
}
fflush(fh);
lastOutputId = JsiDupFd(JsiFileno(fh));
}
else {
/*
* Output is to go to a file.
*/
lastOutputId = JsiOpenForWrite(interp, output, outputFile == FILE_APPEND);
if (lastOutputId == JSI_BAD_FD) {
Jsi_LogError("couldn't write file \"%s\": %s", output, JsiStrError());
goto error;
}
}
}
else if (outPipePtr != NULL) {
/*
* Output is to go to a pipe.
*/
if (JsiPipe(pipeIds) != 0) {
Jsi_LogError("couldn't create output pipe");
goto error;
}
lastOutputId = pipeIds[1];
*outPipePtr = pipeIds[0];
pipeIds[0] = pipeIds[1] = JSI_BAD_FD;
}
/* If we are redirecting stderr with 2>filename or 2>@fileId, then we ignore errFilePtr */
if (error != NULL) {
if (errorFile == FILE_HANDLE) {
if (Jsi_Strcmp(error, "1") == 0) {
/* Special 2>@1 */
if (lastOutputId != JSI_BAD_FD) {
errorId = JsiDupFd(lastOutputId);
}
else {
/* No redirection of stdout, so just use 2>@stdout */
error = "stdout";
}
}
if (errorId == JSI_BAD_FD) {
FILE *fh = JsiGetAioFilehandle(interp, error);
if (fh == NULL) {
goto error;
}
fflush(fh);
errorId = JsiDupFd(JsiFileno(fh));
}
}
else {
/*
* Output is to go to a file.
*/
errorId = JsiOpenForWrite(interp, error, errorFile == FILE_APPEND);
if (errorId == JSI_BAD_FD) {
Jsi_LogError("couldn't write file \"%s\": %s", error, JsiStrError());
goto error;
}
}
}
else if (errFilePtr != NULL) {
/*
* Set up the standard error output sink for the pipeline, if
* requested. Use a temporary file which is opened, then deleted.
* Could potentially just use pipe, but if it filled up it could
* cause the pipeline to deadlock: we'd be waiting for processes
* to complete before reading stderr, and processes couldn't complete
* because stderr was backed up.
*/
errorId = JsiCreateTemp(interp, NULL);
if (errorId == JSI_BAD_FD) {
goto error;
}
*errFilePtr = JsiDupFd(errorId);
}
/*
* Scan through the argc array, forking off a process for each
* group of arguments between "|" arguments.
*/
pidPtr = Jsi_Calloc(cmdCount, sizeof(*pidPtr));
for (i = 0; i < numPids; i++) {
pidPtr[i] = JSI_BAD_PID;
}
for (firstArg = 0; firstArg < arg_count; numPids++, firstArg = lastArg + 1) {
int pipe_dup_err = 0;
fdtype origErrorId = errorId;
for (lastArg = firstArg; lastArg < arg_count; lastArg++) {
if (arg_array[lastArg][0] == '|') {
if (arg_array[lastArg][1] == '&') {
pipe_dup_err = 1;
}
break;
}
}
/* Replace | with NULL for execv() */
arg_array[lastArg] = NULL;
if (lastArg == arg_count) {
outputId = lastOutputId;
}
else {
if (JsiPipe(pipeIds) != 0) {
Jsi_LogError("couldn't create pipe");
goto error;
}
outputId = pipeIds[1];
}
/* Now fork the child */
#ifdef __MINGW32__
pid = JsiStartWinProcess(interp, &arg_array[firstArg], save_environ ? save_environ[0] : NULL, inputId, outputId, errorId);
if (pid == JSI_BAD_PID) {
Jsi_LogError("couldn't exec \"%s\"", arg_array[firstArg]);
goto error;
}
#else
/*
* Disable SIGPIPE signals: if they were allowed, this process
* might go away unexpectedly if children misbehave. This code
* can potentially interfere with other application code that
* expects to handle SIGPIPEs; what's really needed is an
* arbiter for signals to allow them to be "shared".
*/
if (table->info == NULL) {
(void)signal(SIGPIPE, SIG_IGN);
}
/* Need to do this befor vfork() */
if (pipe_dup_err) {
errorId = outputId;
}
/*
* Make a new process and enter it into the table if the fork
* is successful.
*/
pid = vfork();
if (pid < 0) {
Jsi_LogError("couldn't fork child process");
goto error;
}
if (pid == 0) {
/* Child */
if (inputId != -1) dup2(inputId, 0);
if (outputId != -1) dup2(outputId, 1);
if (errorId != -1) dup2(errorId, 2);
for (i = 3; (i <= outputId) || (i <= inputId) || (i <= errorId); i++) {
close(i);
}
/* TODO: execvpe not using last arg! */
execvpe(arg_array[firstArg], &arg_array[firstArg], Jsi_GetEnviron());
/* Need to prep an error message before vfork(), just in case */
fprintf(stderr, "couldn't exec \"%s\"", arg_array[firstArg]);
_exit(127);
}
#endif
/* parent */
/*
* Enlarge the wait table if there isn't enough space for a new
* entry.
*/
if (table->used == table->size) {
table->size += WAIT_TABLE_GROW_BY;
table->info = Jsi_Realloc(table->info, table->size * sizeof(*table->info));
}
table->info[table->used].pid = pid;
table->info[table->used].flags = 0;
table->used++;
pidPtr[numPids] = pid;
/* Restore in case of pipe_dup_err */
errorId = origErrorId;
/*
* Close off our copies of file descriptors that were set up for
* this child, then set up the input for the next child.
*/
if (inputId != JSI_BAD_FD) {
JsiCloseFd(inputId);
}
if (outputId != JSI_BAD_FD) {
JsiCloseFd(outputId);
}
inputId = pipeIds[0];
pipeIds[0] = pipeIds[1] = JSI_BAD_FD;
}
*pidArrayPtr = pidPtr;
/*
* All done. Cleanup open files lying around and then return.
*/
cleanup:
if (inputId != JSI_BAD_FD) {
JsiCloseFd(inputId);
}
if (lastOutputId != JSI_BAD_FD) {
JsiCloseFd(lastOutputId);
}
if (errorId != JSI_BAD_FD) {
JsiCloseFd(errorId);
}
Jsi_Free(arg_array);
if (save_environ)
JsiRestoreEnv(save_environ);
return numPids;
/*
* An error occurred. There could have been extra files open, such
* as pipes between children. Clean them all up. Detach any child
* processes that have been created.
*/
error:
if ((inPipePtr != NULL) && (*inPipePtr != JSI_BAD_FD)) {
JsiCloseFd(*inPipePtr);
*inPipePtr = JSI_BAD_FD;
}
if ((outPipePtr != NULL) && (*outPipePtr != JSI_BAD_FD)) {
JsiCloseFd(*outPipePtr);
*outPipePtr = JSI_BAD_FD;
}
if ((errFilePtr != NULL) && (*errFilePtr != JSI_BAD_FD)) {
JsiCloseFd(*errFilePtr);
*errFilePtr = JSI_BAD_FD;
}
if (pipeIds[0] != JSI_BAD_FD) {
JsiCloseFd(pipeIds[0]);
}
if (pipeIds[1] != JSI_BAD_FD) {
JsiCloseFd(pipeIds[1]);
}
if (pidPtr != NULL) {
for (i = 0; i < numPids; i++) {
if (pidPtr[i] != JSI_BAD_PID) {
JsiDetachPids(interp, 1, &pidPtr[i]);
}
}
Jsi_Free(pidPtr);
}
numPids = -1;
goto cleanup;
}
/**
* Apply the printf-like format in fmtObjPtr with the given arguments.
*
* Returns a new object with zero reference count if OK, or NULL on error.
*/
int Jsi_FormatString(Jsi_Interp *interp, Jsi_Value *args, Jsi_DString *dStr)
{
const char *span, *format, *formatEnd, *msg;
int numBytes = 0, argIndex = 1, gotXpg = 0, gotSequential = 0, argCnt;
static const char * const mixedXPG =
"cannot mix \"%\" and \"%n$\" conversion specifiers";
static const char * const badIndex[2] = {
"not enough arguments for all format specifiers",
"\"%n$\" argument index out of range"
};
int formatLen;
Jsi_Value *v;
/* A single buffer is used to store numeric fields (with sprintf())
* This buffer is allocated/reallocated as necessary
*/
char stat_buf[100], *num_buffer = stat_buf;
int num_buffer_size = sizeof(stat_buf);
argCnt = Jsi_ValueGetLength(interp, args);
if (argCnt<1) {
msg = "missing format";
goto errorMsg;
}
format = Jsi_ValueArrayIndexToStr(interp, args,0, &formatLen);
span = format;
formatEnd = format + formatLen;
Jsi_DSInit(dStr);
while (format != formatEnd) {
char *end;
int gotMinus, sawFlag;
int gotPrecision, useShort, useLong;
long width, precision;
int newXpg;
int ch;
int step;
int doubleType;
char pad = ' ';
char spec[2*JSI_INTEGER_SPACE + 12];
char *p;
int formatted_chars;
int formatted_bytes;
const char *formatted_buf = NULL;
step = jsi_utf8_tounicode(format, &ch);
format += step;
if (ch != '%') {
numBytes += step;
continue;
}
if (numBytes) {
Jsi_DSAppendLen(dStr, span, numBytes);
numBytes = 0;
}
/*
* Saw a % : process the format specifier.
*
* Step 0. Handle special case of escaped format marker (i.e., %%).
*/
step = jsi_utf8_tounicode(format, &ch);
if (ch == '%') {
span = format;
numBytes = step;
format += step;
continue;
}
/*
* Step 1. XPG3 position specifier
*/
newXpg = 0;
if (isdigit(ch)) {
int position = strtoul(format, &end, 10);
if (*end == '$') {
newXpg = 1;
argIndex = position - 1;
format = end + 1;
step = jsi_utf8_tounicode(format, &ch);
}
}
if (newXpg) {
if (gotSequential) {
msg = mixedXPG;
goto errorMsg;
}
gotXpg = 1;
} else {
if (gotXpg) {
msg = mixedXPG;
goto errorMsg;
}
gotSequential = 1;
}
if ((argIndex < 0) || (argIndex >= argCnt)) {
msg = badIndex[gotXpg];
goto errorMsg;
}
/*
* Step 2. Set of flags. Also build up the sprintf spec.
*/
p = spec;
*p++ = '%';
gotMinus = 0;
sawFlag = 1;
do {
switch (ch) {
case '-':
gotMinus = 1;
break;
case '0':
pad = ch;
break;
case ' ':
case '+':
case '#':
break;
default:
sawFlag = 0;
continue;
}
*p++ = ch;
format += step;
step = jsi_utf8_tounicode(format, &ch);
} while (sawFlag);
/*
* Step 3. Minimum field width.
*/
width = 0;
if (isdigit(ch)) {
width = strtoul(format, &end, 10);
format = end;
step = jsi_utf8_tounicode(format, &ch);
} else if (ch == '*') {
if (argIndex >= argCnt - 1) {
msg = badIndex[gotXpg];
goto errorMsg;
}
v = Jsi_ValueArrayIndex(interp, args, argIndex);
if (Jsi_GetLongFromValue(interp, v, &width) != JSI_OK) {
goto error;
}
if (width < 0) {
width = -width;
if (!gotMinus) {
*p++ = '-';
gotMinus = 1;
}
}
argIndex++;
format += step;
step = jsi_utf8_tounicode(format, &ch);
}
/*
* Step 4. Precision.
*/
gotPrecision = precision = 0;
if (ch == '.') {
gotPrecision = 1;
format += step;
step = jsi_utf8_tounicode(format, &ch);
}
if (isdigit(ch)) {
precision = strtoul(format, &end, 10);
format = end;
step = jsi_utf8_tounicode(format, &ch);
} else if (ch == '*') {
if (argIndex >= argCnt - 1) {
msg = badIndex[gotXpg];
goto errorMsg;
}
v = Jsi_ValueArrayIndex(interp, args, argIndex);
if (Jsi_GetLongFromValue(interp, v, &precision) != JSI_OK) {
goto error;
}
/*
* TODO: Check this truncation logic.
*/
if (precision < 0) {
precision = 0;
}
argIndex++;
format += step;
step = jsi_utf8_tounicode(format, &ch);
}
/*
* Step 5. Length modifier.
*/
useShort = 0;
useLong = 0;
if (ch == 'h') {
useShort = 1;
format += step;
step = jsi_utf8_tounicode(format, &ch);
} else if (ch == 'l') {
useLong = 1;
format += step;
step = jsi_utf8_tounicode(format, &ch);
if (ch == 'l') {
format += step;
step = jsi_utf8_tounicode(format, &ch);
}
}
format += step;
span = format;
/*
* Step 6. The actual conversion character.
*/
if (ch == 'i') {
ch = 'd';
}
doubleType = 0;
/* Each valid conversion will set:
* formatted_buf - the result to be added
* formatted_chars - the length of formatted_buf in characters
* formatted_bytes - the length of formatted_buf in bytes
*/
switch (ch) {
case '\0':
msg = "format string ended in middle of field specifier";
goto errorMsg;
case 's': {
v = Jsi_ValueArrayIndex(interp, args, argIndex);
if (Jsi_GetStringFromValue(interp, v, &formatted_buf) != JSI_OK)
goto error;
formatted_bytes =
formatted_chars = Jsi_Strlen(formatted_buf);
if (gotPrecision && (precision < formatted_chars)) {
/* Need to build a (null terminated) truncated string */
formatted_chars = precision;
formatted_bytes = jsi_utf8_index(formatted_buf, precision);
}
break;
}
case 'c': {
Jsi_Wide code;
v = Jsi_ValueArrayIndex(interp, args, argIndex);
if (Jsi_GetWideFromValue(interp, v, &code) != JSI_OK) {
goto error;
}
/* Just store the value in the 'spec' buffer */
formatted_bytes = jsi_utf8_fromunicode(spec, code);
formatted_buf = spec;
formatted_chars = 1;
break;
}
case 'e':
case 'E':
case 'f':
case 'g':
case 'G':
doubleType = 1;
/* fall through */
case 'd':
case 'u':
case 'o':
case 'x':
case 'X': {
Jsi_Wide w;
Jsi_Number d;
int length;
/* Fill in the width and precision */
if (width) {
p += sprintf(p, "%ld", width);
}
if (gotPrecision) {
p += sprintf(p, ".%ld", precision);
}
/* Now the modifier, and get the actual value here */
if (doubleType) {
v = Jsi_ValueArrayIndex(interp, args, argIndex);
if (Jsi_GetDoubleFromValue(interp, v, &d) != JSI_OK) {
goto error;
}
length = MAX_FLOAT_WIDTH;
}
else {
v = Jsi_ValueArrayIndex(interp, args, argIndex);
if (Jsi_GetWideFromValue(interp, v, &w) != JSI_OK) {
goto error;
}
length = JSI_INTEGER_SPACE;
if (useShort) {
*p++ = 'h';
if (ch == 'd') {
w = (short)w;
}
else {
w = (unsigned short)w;
}
}
else {
*p++ = 'l';
#ifdef HAVE_LONG_LONG
if (useLong && sizeof(long long) == sizeof(Jsi_Wide)) {
*p++ = 'l';
}
#endif
}
}
*p++ = (char) ch;
*p = '\0';
/* Adjust length for width and precision */
if (width > length) {
length = width;
}
if (gotPrecision) {
length += precision;
}
/* Increase the size of the buffer if needed */
if (num_buffer_size < length + 1) {
num_buffer_size = length + 1;
num_buffer = Jsi_Realloc((num_buffer==stat_buf?NULL:num_buffer), num_buffer_size);
}
if (doubleType) {
snprintf(num_buffer, length + 1, spec, d);
}
else {
formatted_bytes = snprintf(num_buffer, length + 1, spec, w);
}
formatted_chars = formatted_bytes = strlen(num_buffer);
formatted_buf = num_buffer;
break;
}
default: {
/* Just reuse the 'spec' buffer */
spec[0] = ch;
spec[1] = '\0';
Jsi_LogError("bad field specifier \"%s\"", spec);
goto error;
}
}
if (!gotMinus) {
while (formatted_chars < width) {
Jsi_DSAppendLen(dStr, &pad, 1);
formatted_chars++;
}
}
Jsi_DSAppendLen(dStr, formatted_buf, formatted_bytes);
while (formatted_chars < width) {
Jsi_DSAppendLen(dStr, &pad, 1);
formatted_chars++;
}
argIndex += gotSequential;
}
if (numBytes) {
Jsi_DSAppendLen(dStr, span, numBytes);
}
if (num_buffer!=stat_buf)
Jsi_Free(num_buffer);
return JSI_OK;
errorMsg:
Jsi_LogError("%s", msg);
error:
Jsi_DSFree(dStr);
if (num_buffer!=stat_buf)
Jsi_Free(num_buffer);
return JSI_ERROR;
}
