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-rw-r--r--cbs.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/cbs.h b/cbs.h
index 923737f..2f147c6 100644
--- a/cbs.h
+++ b/cbs.h
@@ -286,6 +286,7 @@ die(const char *fmt, ...)
va_list ap;
va_start(ap, fmt);
+ flockfile(stderr);
fprintf(stderr, "%s: ", *_cbs_argv);
if (fmt) {
vfprintf(stderr, fmt, ap);
@@ -301,6 +302,7 @@ diex(const char *fmt, ...)
va_list ap;
va_start(ap, fmt);
+ flockfile(stderr);
fprintf(stderr, "%s: ", *_cbs_argv);
if (fmt)
vfprintf(stderr, fmt, ap);
@@ -457,6 +459,7 @@ cmdput(cmd_t c)
void
cmdputf(FILE *stream, cmd_t cmd)
{
+ flockfile(stream);
for (size_t i = 0; i < cmd._len; i++) {
bool safe = true;
char *p, *q;
@@ -484,6 +487,7 @@ cmdputf(FILE *stream, cmd_t cmd)
putc(i == cmd._len - 1 ? '\n' : ' ', stream);
}
+ funlockfile(stream);
}
bool