Makefile: break long line
[fio.git] / parse.c
diff --git a/parse.c b/parse.c
index afbde61ef6f7c281ea5d1fb10ba0661f4ad30b4d..c8b7545a27b85ee3649d95798940b5746ae3576b 100644 (file)
--- a/parse.c
+++ b/parse.c
@@ -180,6 +180,7 @@ static unsigned long long __get_mult_bytes(const char *p, void *data,
                pow = 1;
        else if (!strcmp("%", c)) {
                *percent = 1;
+               free(c);
                return ret;
        }
 
@@ -199,9 +200,9 @@ static unsigned long long get_mult_bytes(const char *str, int len, void *data,
        if (len < 2)
                return __get_mult_bytes(str, data, percent);
 
-        /*
-         * Go forward until we hit a non-digit, or +/- sign
-         */
+       /*
+        * Go forward until we hit a non-digit, or +/- sign
+        */
        while ((p - str) <= len) {
                if (!isdigit((int) *p) &&
                    (((*p != '+') && (*p != '-')) || digit_seen))
@@ -219,7 +220,7 @@ static unsigned long long get_mult_bytes(const char *str, int len, void *data,
 /*
  * Convert string into a floating number. Return 1 for success and 0 otherwise.
  */
-int str_to_float(const char *str, double *val)
+static int str_to_float(const char *str, double *val)
 {
        return (1 == sscanf(str, "%lf", val));
 }
@@ -273,6 +274,8 @@ void strip_blank_front(char **p)
 {
        char *s = *p;
 
+       if (!strlen(s))
+               return;
        while (isspace((int) *s))
                s++;
 
@@ -283,6 +286,9 @@ void strip_blank_end(char *p)
 {
        char *start = p, *s;
 
+       if (!strlen(p))
+               return;
+
        s = strchr(p, ';');
        if (s)
                *s = '\0';
@@ -408,11 +414,17 @@ static int __handle_option(struct fio_option *o, const char *ptr, void *data,
        case FIO_OPT_INT:
        case FIO_OPT_STR_VAL: {
                fio_opt_str_val_fn *fn = o->cb;
+               char tmp[128], *p;
+
+               strncpy(tmp, ptr, sizeof(tmp) - 1);
+               p = strchr(tmp, ',');
+               if (p)
+                       *p = '\0';
 
                if (is_time)
-                       ret = check_str_time(ptr, &ull);
+                       ret = check_str_time(tmp, &ull);
                else
-                       ret = check_str_bytes(ptr, &ull, data);
+                       ret = check_str_bytes(tmp, &ull, data);
 
                if (ret)
                        break;
@@ -438,12 +450,32 @@ static int __handle_option(struct fio_option *o, const char *ptr, void *data,
                                        else
                                                val_store(ilp, ull, o->off1, 0, data);
                                }
-                               if (!more) {
+                               if (curr == 1) {
                                        if (o->roff2)
                                                *(unsigned int *) o->roff2 = ull;
                                        else if (o->off2)
                                                val_store(ilp, ull, o->off2, 0, data);
                                }
+                               if (curr == 2) {
+                                       if (o->roff3)
+                                               *(unsigned int *) o->roff3 = ull;
+                                       else if (o->off3)
+                                               val_store(ilp, ull, o->off3, 0, data);
+                               }
+                               if (!more) {
+                                       if (curr < 1) {
+                                               if (o->roff2)
+                                                       *(unsigned int *) o->roff2 = ull;
+                                               else if (o->off2)
+                                                       val_store(ilp, ull, o->off2, 0, data);
+                                       }
+                                       if (curr < 2) {
+                                               if (o->roff3)
+                                                       *(unsigned int *) o->roff3 = ull;
+                                               else if (o->off3)
+                                                       val_store(ilp, ull, o->off3, 0, data);
+                                       }
+                               }
                        } else {
                                if (first) {
                                        if (o->roff1)
@@ -496,45 +528,54 @@ static int __handle_option(struct fio_option *o, const char *ptr, void *data,
        case FIO_OPT_STR_STORE: {
                fio_opt_str_fn *fn = o->cb;
 
-               posval_sort(o, posval);
+               if (o->roff1 || o->off1) {
+                       if (o->roff1)
+                               cp = (char **) o->roff1;
+                       else if (o->off1)
+                               cp = td_var(data, o->off1);
 
-               if (!o->posval[0].ival) {
-                       vp = NULL;
-                       goto match;
+                       *cp = strdup(ptr);
+               } else {
+                       cp = NULL;
                }
 
-               ret = 1;
-               for (i = 0; i < PARSE_MAX_VP; i++) {
-                       vp = &posval[i];
-                       if (!vp->ival || vp->ival[0] == '\0')
-                               continue;
-                       all_skipped = 0;
-                       if (!strncmp(vp->ival, ptr, opt_len(ptr))) {
-                               char *rest;
+               if (fn)
+                       ret = fn(data, ptr);
+               else if (o->posval[0].ival) {
+                       posval_sort(o, posval);
 
-                               ret = 0;
-                               if (vp->cb)
-                                       fn = vp->cb;
-match:
-                               if (o->roff1)
-                                       cp = (char **) o->roff1;
-                               else
-                                       cp = td_var(data, o->off1);
-                               *cp = strdup(ptr);
-                               rest = strstr(*cp, ":");
-                               if (rest) {
-                                       *rest = '\0';
-                                       ptr = rest + 1;
-                               } else if (vp && vp->cb)
-                                       ptr = NULL;
-                               break;
+                       ret = 1;
+                       for (i = 0; i < PARSE_MAX_VP; i++) {
+                               vp = &posval[i];
+                               if (!vp->ival || vp->ival[0] == '\0')
+                                       continue;
+                               all_skipped = 0;
+                               if (!strncmp(vp->ival, ptr, opt_len(ptr))) {
+                                       char *rest;
+
+                                       ret = 0;
+                                       if (vp->cb)
+                                               fn = vp->cb;
+                                       rest = strstr(*cp ?: ptr, ":");
+                                       if (rest) {
+                                               if (*cp)
+                                                       *rest = '\0';
+                                               ptr = rest + 1;
+                                       } else
+                                               ptr = NULL;
+                                       break;
+                               }
                        }
                }
 
-               if (ret && !all_skipped)
-                       show_option_values(o);
-               else if (fn && ptr)
-                       ret = fn(data, ptr);
+               if (!all_skipped) {
+                       if (ret && !*cp)
+                               show_option_values(o);
+                       else if (ret && *cp)
+                               ret = 0;
+                       else if (fn && ptr)
+                               ret = fn(data, ptr);
+               }
 
                break;
        }
@@ -583,12 +624,43 @@ match:
                                else
                                        val_store(ilp, ul2, o->off2, 0, data);
                        }
-                       if (o->roff3 && o->roff4) {
-                               *(unsigned int *) o->roff3 = ul1;
-                               *(unsigned int *) o->roff4 = ul2;
-                       } else if (o->off3 && o->off4) {
-                               val_store(ilp, ul1, o->off3, 0, data);
-                               val_store(ilp, ul2, o->off4, 0, data);
+                       if (curr == 1) {
+                               if (o->roff3 && o->roff4) {
+                                       *(unsigned int *) o->roff3 = ul1;
+                                       *(unsigned int *) o->roff4 = ul2;
+                               } else if (o->off3 && o->off4) {
+                                       val_store(ilp, ul1, o->off3, 0, data);
+                                       val_store(ilp, ul2, o->off4, 0, data);
+                               }
+                       }
+                       if (curr == 2) {
+                               if (o->roff5 && o->roff6) {
+                                       *(unsigned int *) o->roff5 = ul1;
+                                       *(unsigned int *) o->roff6 = ul2;
+                               } else if (o->off5 && o->off6) {
+                                       val_store(ilp, ul1, o->off5, 0, data);
+                                       val_store(ilp, ul2, o->off6, 0, data);
+                               }
+                       }
+                       if (!more) {
+                               if (curr < 1) {
+                                       if (o->roff3 && o->roff4) {
+                                               *(unsigned int *) o->roff3 = ul1;
+                                               *(unsigned int *) o->roff4 = ul2;
+                                       } else if (o->off3 && o->off4) {
+                                               val_store(ilp, ul1, o->off3, 0, data);
+                                               val_store(ilp, ul2, o->off4, 0, data);
+                                       }
+                               }
+                               if (curr < 2) {
+                                       if (o->roff5 && o->roff6) {
+                                               *(unsigned int *) o->roff5 = ul1;
+                                               *(unsigned int *) o->roff6 = ul2;
+                                       } else if (o->off5 && o->off6) {
+                                               val_store(ilp, ul1, o->off5, 0, data);
+                                               val_store(ilp, ul2, o->off6, 0, data);
+                                       }
+                               }
                        }
                }
 
@@ -692,7 +764,7 @@ static int handle_option(struct fio_option *o, const char *__ptr, void *data)
                        ptr2 = strchr(ptr, ',');
                        if (ptr2 && *(ptr2 + 1) == '\0')
                                *ptr2 = '\0';
-                       if (o->type != FIO_OPT_STR_MULTI) {
+                       if (o->type != FIO_OPT_STR_MULTI && o->type != FIO_OPT_RANGE) {
                                if (!ptr2)
                                        ptr2 = strchr(ptr, ':');
                                if (!ptr2)
@@ -723,7 +795,7 @@ static int handle_option(struct fio_option *o, const char *__ptr, void *data)
        return ret;
 }
 
-static struct fio_option *get_option(const char *opt,
+static struct fio_option *get_option(char *opt,
                                     struct fio_option *options, char **post)
 {
        struct fio_option *o;
@@ -733,7 +805,7 @@ static struct fio_option *get_option(const char *opt,
        if (ret) {
                *post = ret;
                *ret = '\0';
-               ret = (char *) opt;
+               ret = opt;
                (*post)++;
                strip_blank_end(ret);
                o = find_option(options, ret);
@@ -747,24 +819,27 @@ static struct fio_option *get_option(const char *opt,
 
 static int opt_cmp(const void *p1, const void *p2)
 {
-       struct fio_option *o1, *o2;
-       char *s1, *s2, *foo;
+       struct fio_option *o;
+       char *s, *foo;
        int prio1, prio2;
 
-       s1 = strdup(*((char **) p1));
-       s2 = strdup(*((char **) p2));
-
-       o1 = get_option(s1, fio_options, &foo);
-       o2 = get_option(s2, fio_options, &foo);
-
        prio1 = prio2 = 0;
-       if (o1)
-               prio1 = o1->prio;
-       if (o2)
-               prio2 = o2->prio;
 
-       free(s1);
-       free(s2);
+       if (*(char **)p1) {
+               s = strdup(*((char **) p1));
+               o = get_option(s, fio_options, &foo);
+               if (o)
+                       prio1 = o->prio;
+               free(s);
+       }
+       if (*(char **)p2) {
+               s = strdup(*((char **) p2));
+               o = get_option(s, fio_options, &foo);
+               if (o)
+                       prio2 = o->prio;
+               free(s);
+       }
+
        return prio2 - prio1;
 }
 
@@ -793,83 +868,33 @@ int parse_cmd_option(const char *opt, const char *val,
        return 1;
 }
 
-/*
- * Return a copy of the input string with substrings of the form ${VARNAME}
- * substituted with the value of the environment variable VARNAME.  The
- * substitution always occurs, even if VARNAME is empty or the corresponding
- * environment variable undefined.
- */
-static char *option_dup_subs(const char *opt)
+int parse_option(char *opt, const char *input,
+                struct fio_option *options, struct fio_option **o, void *data)
 {
-       char out[OPT_LEN_MAX+1];
-       char in[OPT_LEN_MAX+1];
-       char *outptr = out;
-       char *inptr = in;
-       char *ch1, *ch2, *env;
-       ssize_t nchr = OPT_LEN_MAX;
-       size_t envlen;
-
-       if (strlen(opt) + 1 > OPT_LEN_MAX) {
-               log_err("OPT_LEN_MAX (%d) is too small\n", OPT_LEN_MAX);
-               return NULL;
-       }
+       char *post;
 
-       in[OPT_LEN_MAX] = '\0';
-       strncpy(in, opt, OPT_LEN_MAX);
-
-       while (*inptr && nchr > 0) {
-               if (inptr[0] == '$' && inptr[1] == '{') {
-                       ch2 = strchr(inptr, '}');
-                       if (ch2 && inptr+1 < ch2) {
-                               ch1 = inptr+2;
-                               inptr = ch2+1;
-                               *ch2 = '\0';
-
-                               env = getenv(ch1);
-                               if (env) {
-                                       envlen = strlen(env);
-                                       if (envlen <= nchr) {
-                                               memcpy(outptr, env, envlen);
-                                               outptr += envlen;
-                                               nchr -= envlen;
-                                       }
-                               }
-
-                               continue;
-                       }
-               }
-
-               *outptr++ = *inptr++;
-               --nchr;
-       }
-
-       *outptr = '\0';
-       return strdup(out);
-}
-
-int parse_option(const char *opt, struct fio_option *options, void *data)
-{
-       struct fio_option *o;
-       char *post, *tmp;
-
-       tmp = option_dup_subs(opt);
-       if (!tmp)
+       if (!opt) {
+               log_err("fio: failed parsing %s\n", input);
+               *o = NULL;
                return 1;
+       }
 
-       o = get_option(tmp, options, &post);
-       if (!o) {
-               log_err("Bad option <%s>\n", tmp);
-               free(tmp);
+       *o = get_option(opt, options, &post);
+       if (!*o) {
+               if (post) {
+                       int len = strlen(opt);
+                       if (opt + len + 1 != post)
+                               memmove(opt + len + 1, post, strlen(post));
+                       opt[len] = '=';
+               }
                return 1;
        }
 
-       if (!handle_option(o, post, data)) {
-               free(tmp);
+       if (!handle_option(*o, post, data)) {
                return 0;
        }
 
-       log_err("fio: failed parsing %s\n", opt);
-       free(tmp);
+       log_err("fio: failed parsing %s\n", input);
        return 1;
 }
 
@@ -1103,7 +1128,7 @@ void options_free(struct fio_option *options, void *data)
        dprint(FD_PARSE, "free options\n");
 
        for (o = &options[0]; o->name; o++) {
-               if (o->type != FIO_OPT_STR_STORE)
+               if (o->type != FIO_OPT_STR_STORE || !o->off1)
                        continue;
 
                ptr = td_var(data, o->off1);