init: Move mtd functions from init.c to util.c

Change-Id: I04e8f0ae6cc88af974372872e5617d16e0b1a2c8
aosp-mirror · Apr 14, 2010 · f24ed8c · f24ed8c
1 parent 31712be
commit f24ed8c
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Showing 2 changed files with 71 additions and 72 deletions.
diff --git a/init/init.c b/init/init.c
@@ -486,78 +486,6 @@ void handle_control_message(const char *msg, const char *arg)
     }
 }
 
-#define MAX_MTD_PARTITIONS 16
-
-static struct {
-    char name[16];
-    int number;
-} mtd_part_map[MAX_MTD_PARTITIONS];
-
-static int mtd_part_count = -1;
-
-static void find_mtd_partitions(void)
-{
-    int fd;
-    char buf[1024];
-    char *pmtdbufp;
-    ssize_t pmtdsize;
-    int r;
-
-    fd = open("/proc/mtd", O_RDONLY);
-    if (fd < 0)
-        return;
-
-    buf[sizeof(buf) - 1] = '\0';
-    pmtdsize = read(fd, buf, sizeof(buf) - 1);
-    pmtdbufp = buf;
-    while (pmtdsize > 0) {
-        int mtdnum, mtdsize, mtderasesize;
-        char mtdname[16];
-        mtdname[0] = '\0';
-        mtdnum = -1;
-        r = sscanf(pmtdbufp, "mtd%d: %x %x %15s",
-                   &mtdnum, &mtdsize, &mtderasesize, mtdname);
-        if ((r == 4) && (mtdname[0] == '"')) {
-            char *x = strchr(mtdname + 1, '"');
-            if (x) {
-                *x = 0;
-            }
-            INFO("mtd partition %d, %s\n", mtdnum, mtdname + 1);
-            if (mtd_part_count < MAX_MTD_PARTITIONS) {
-                strcpy(mtd_part_map[mtd_part_count].name, mtdname + 1);
-                mtd_part_map[mtd_part_count].number = mtdnum;
-                mtd_part_count++;
-            } else {
-                ERROR("too many mtd partitions\n");
-            }
-        }
-        while (pmtdsize > 0 && *pmtdbufp != '\n') {
-            pmtdbufp++;
-            pmtdsize--;
-        }
-        if (pmtdsize > 0) {
-            pmtdbufp++;
-            pmtdsize--;
-        }
-    }
-    close(fd);
-}
-
-int mtd_name_to_number(const char *name) 
-{
-    int n;
-    if (mtd_part_count < 0) {
-        mtd_part_count = 0;
-        find_mtd_partitions();
-    }
-    for (n = 0; n < mtd_part_count; n++) {
-        if (!strcmp(name, mtd_part_map[n].name)) {
-            return mtd_part_map[n].number;
-        }
-    }
-    return -1;
-}
-
 static void import_kernel_nv(char *name, int in_qemu)
 {
     char *value = strchr(name, '=');

diff --git a/init/util.c b/init/util.c
@@ -209,3 +209,74 @@ void list_remove(struct listnode *item)
     item->prev->next = item->next;
 }
 
+#define MAX_MTD_PARTITIONS 16
+
+static struct {
+    char name[16];
+    int number;
+} mtd_part_map[MAX_MTD_PARTITIONS];
+
+static int mtd_part_count = -1;
+
+static void find_mtd_partitions(void)
+{
+    int fd;
+    char buf[1024];
+    char *pmtdbufp;
+    ssize_t pmtdsize;
+    int r;
+
+    fd = open("/proc/mtd", O_RDONLY);
+    if (fd < 0)
+        return;
+
+    buf[sizeof(buf) - 1] = '\0';
+    pmtdsize = read(fd, buf, sizeof(buf) - 1);
+    pmtdbufp = buf;
+    while (pmtdsize > 0) {
+        int mtdnum, mtdsize, mtderasesize;
+        char mtdname[16];
+        mtdname[0] = '\0';
+        mtdnum = -1;
+        r = sscanf(pmtdbufp, "mtd%d: %x %x %15s",
+                   &mtdnum, &mtdsize, &mtderasesize, mtdname);
+        if ((r == 4) && (mtdname[0] == '"')) {
+            char *x = strchr(mtdname + 1, '"');
+            if (x) {
+                *x = 0;
+            }
+            INFO("mtd partition %d, %s\n", mtdnum, mtdname + 1);
+            if (mtd_part_count < MAX_MTD_PARTITIONS) {
+                strcpy(mtd_part_map[mtd_part_count].name, mtdname + 1);
+                mtd_part_map[mtd_part_count].number = mtdnum;
+                mtd_part_count++;
+            } else {
+                ERROR("too many mtd partitions\n");
+            }
+        }
+        while (pmtdsize > 0 && *pmtdbufp != '\n') {
+            pmtdbufp++;
+            pmtdsize--;
+        }
+        if (pmtdsize > 0) {
+            pmtdbufp++;
+            pmtdsize--;
+        }
+    }
+    close(fd);
+}
+
+int mtd_name_to_number(const char *name)
+{
+    int n;
+    if (mtd_part_count < 0) {
+        mtd_part_count = 0;
+        find_mtd_partitions();
+    }
+    for (n = 0; n < mtd_part_count; n++) {
+        if (!strcmp(name, mtd_part_map[n].name)) {
+            return mtd_part_map[n].number;
+        }
+    }
+    return -1;
+}