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* configure determined it is broken. In this case, we must make sure there is
* no name clash.
*/
# define asprintf asprintf_
# define vasprintf vasprintf_
#endif
struct context {
struct Context {
const char *format;
size_t formatLen;
char subformat[maxSubformatLen + 1];
size_t subformatLen;
va_list arguments;
char *buffer;
size_t bufferLen;
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va_end(arguments);
return ret;
}
#endif
static bool
appendString(struct context *ctx, const char *append, size_t appendLen)
appendString(struct Context *ctx, const char *append, size_t appendLen)
{
char *newBuf;
if (appendLen == 0)
return true;
if ((newBuf = realloc(ctx->buffer,
ctx->bufferLen + appendLen + 1)) == NULL)
return false;
memcpy(newBuf + ctx->bufferLen, append, appendLen);
ctx->buffer = newBuf;
ctx->bufferLen += appendLen;
return true;
}
static bool
appendSubformat(struct context *ctx, const char *subformat,
appendSubformat(struct Context *ctx, const char *subformat,
size_t subformatLen)
{
if (ctx->subformatLen + subformatLen > maxSubformatLen)
return false;
memcpy(ctx->subformat + ctx->subformatLen, subformat, subformatLen);
ctx->subformatLen += subformatLen;
ctx->subformat[ctx->subformatLen] = 0;
return true;
}
static bool
stringState(struct context *ctx)
stringState(struct Context *ctx)
{
if (ctx->format[ctx->i] == '%') {
if (ctx->i > 0)
if (!appendString(ctx, ctx->format + ctx->last,
ctx->i - ctx->last))
return false;
if (!appendSubformat(ctx, ctx->format + ctx->i, 1))
return false;
ctx->last = ctx->i + 1;
ctx->state = stateFormatFlags;
}
return true;
}
static bool
formatFlagsState(struct context *ctx)
formatFlagsState(struct Context *ctx)
{
switch (ctx->format[ctx->i]) {
case '-':
case '+':
case ' ':
case '#':
case '0':
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break;
}
return true;
}
static bool
formatFieldWidthState(struct context *ctx)
formatFieldWidthState(struct Context *ctx)
{
if ((ctx->format[ctx->i] >= '0' && ctx->format[ctx->i] <= '9') ||
ctx->format[ctx->i] == '*' || ctx->format[ctx->i] == '.') {
if (!appendSubformat(ctx, ctx->format + ctx->i, 1))
return false;
} else {
ctx->state = stateFormatLengthModifier;
ctx->i--;
}
return true;
}
static bool
formatLengthModifierState(struct context *ctx)
formatLengthModifierState(struct Context *ctx)
{
/* Only one allowed */
switch (ctx->format[ctx->i]) {
case 'h': /* and also hh */
if (ctx->formatLen > ctx->i + 1 &&
ctx->format[ctx->i + 1] == 'h') {
if (!appendSubformat(ctx, ctx->format + ctx->i, 2))
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}
ctx->state = stateFormatConversionSpecifier;
return true;
}
static bool
formatConversionSpecifierState(struct context *ctx)
formatConversionSpecifierState(struct Context *ctx)
{
char *tmp = NULL;
int tmpLen = 0;
#ifndef HAVE_ASPRINTF_L
OFString *point;
#endif
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ctx->last = ctx->i + 1;
ctx->state = stateString;
return true;
}
static bool (*states[])(struct context *) = {
static bool (*states[])(struct Context *) = {
stringState,
formatFlagsState,
formatFieldWidthState,
formatLengthModifierState,
formatConversionSpecifierState
};
int
OFVASPrintF(char **string, const char *format, va_list arguments)
{
struct context ctx;
struct Context ctx;
ctx.format = format;
ctx.formatLen = strlen(format);
memset(ctx.subformat, 0, maxSubformatLen + 1);
ctx.subformatLen = 0;
va_copy(ctx.arguments, arguments);
ctx.bufferLen = 0;
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