eta: only pass real size of jobs_eta
[fio.git] / eta.c
diff --git a/eta.c b/eta.c
index 0dd04be8d7a6506443a369233718bbea7937a5a3..0105cda605aa85d513fab2fac7f4412e77007b07 100644 (file)
--- a/eta.c
+++ b/eta.c
@@ -8,43 +8,24 @@
 #include "fio.h"
 
 static char __run_str[REAL_MAX_JOBS + 1];
-
-/*
- * Worst level condensing would be 1:4, so allow enough room for that
- */
-static char run_str[(4 * REAL_MAX_JOBS) + 1];
+static char run_str[__THREAD_RUNSTR_SZ(REAL_MAX_JOBS)];
 
 static void update_condensed_str(char *run_str, char *run_str_condensed)
 {
-       int i, ci, last, nr;
-       size_t len;
-
-       len = strlen(run_str);
-       if (!len)
-               return;
-
-       last = 0;
-       nr = 0;
-       ci = 0;
-       for (i = 0; i < len; i++) {
-               if (!last) {
-new:
-                       run_str_condensed[ci] = run_str[i];
-                       last = run_str[i];
-                       nr = 1;
-                       ci++;
-               } else if (last == run_str[i]) {
-                       nr++;
-               } else {
-                       ci += sprintf(&run_str_condensed[ci], "(%u),", nr);
-                       goto new;
+       if (*run_str) {
+               while (*run_str) {
+                       int nr = 1;
+
+                       *run_str_condensed++ = *run_str++;
+                       while (*(run_str - 1) == *run_str) {
+                               run_str++;
+                               nr++;
+                       }
+                       run_str_condensed += sprintf(run_str_condensed, "(%u),", nr);
                }
+               run_str_condensed--;
        }
-
-       if (nr)
-               ci += sprintf(&run_str_condensed[ci], "(%u)", nr);
-
-       run_str_condensed[ci + 1] = '\0';
+       *run_str_condensed = '\0';
 }
 
 /*
@@ -584,19 +565,33 @@ void display_thread_status(struct jobs_eta *je)
        fflush(stdout);
 }
 
-void print_thread_status(void)
+struct jobs_eta *get_jobs_eta(int force, size_t *size)
 {
        struct jobs_eta *je;
-       size_t size;
 
        if (!thread_number)
-               return;
+               return NULL;
 
-       size = sizeof(*je) + thread_number * sizeof(char) + 1;
-       je = malloc(size);
-       memset(je, 0, size);
+       *size = sizeof(*je) + THREAD_RUNSTR_SZ;
+       je = malloc(*size);
+       memset(je, 0, *size);
+
+       if (!calc_thread_status(je, 0)) {
+               free(je);
+               return NULL;
+       }
+
+       *size = sizeof(*je) + strlen((char *) je->run_str) + 1;
+       return je;
+}
+
+void print_thread_status(void)
+{
+       struct jobs_eta *je;
+       size_t size;
 
-       if (calc_thread_status(je, 0))
+       je = get_jobs_eta(0, &size);
+       if (je)
                display_thread_status(je);
 
        free(je);