diff options
| -rw-r--r-- | usage.c | 15 |
1 files changed, 12 insertions, 3 deletions
@@ -7,13 +7,21 @@ #include "cache.h" static FILE *error_handle; +static int tweaked_error_buffering; void vreportf(const char *prefix, const char *err, va_list params) { - char msg[4096]; FILE *fh = error_handle ? error_handle : stderr; - vsnprintf(msg, sizeof(msg), err, params); - fprintf(fh, "%s%s\n", prefix, msg); + + fflush(fh); + if (!tweaked_error_buffering) { + setvbuf(fh, NULL, _IOLBF, 0); + tweaked_error_buffering = 1; + } + + fputs(prefix, fh); + vfprintf(fh, err, params); + fputc('\n', fh); } static NORETURN void usage_builtin(const char *err, va_list params) @@ -70,6 +78,7 @@ void set_die_is_recursing_routine(int (*routine)(void)) void set_error_handle(FILE *fh) { error_handle = fh; + tweaked_error_buffering = 0; } void NORETURN usagef(const char *err, ...) |