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wrbuf_cstr bit more thread safe YAZ-753
[yaz-moved-to-github.git]
/
src
/
wrbuf.c
diff --git
a/src/wrbuf.c
b/src/wrbuf.c
index
972acff
..
7015bad
100644
(file)
--- a/
src/wrbuf.c
+++ b/
src/wrbuf.c
@@
-16,6
+16,7
@@
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
+#include <assert.h>
#include <yaz/wrbuf.h>
#include <yaz/snprintf.h>
#include <yaz/wrbuf.h>
#include <yaz/snprintf.h>
@@
-262,8
+263,9
@@
void wrbuf_iconv_reset(WRBUF b, yaz_iconv_t cd)
const char *wrbuf_cstr(WRBUF b)
{
const char *wrbuf_cstr(WRBUF b)
{
- wrbuf_putc(b, '\0'); /* add '\0' */
- (b->pos)--; /* don't include '\0' in count */
+ if (b->pos >= b->size)
+ wrbuf_grow(b, 1);
+ b->buf[b->pos] = '\0';
return b->buf;
}
return b->buf;
}