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authorMauro Carvalho Chehab <mchehab@redhat.com>2012-04-19 09:23:28 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-04-19 09:23:28 -0300
commitd5aeee8cb28317ef608ecac421abc4d986d585d2 (patch)
tree70ec8ed8891f26e5c58152ffca9924ea1c58fe3a /lib/vsprintf.c
parent32898a145404acbebe3256709e012c2830a2043b (diff)
parente816b57a337ea3b755de72bec38c10c864f23015 (diff)
downloadlinux-d5aeee8cb28317ef608ecac421abc4d986d585d2.tar.gz
linux-d5aeee8cb28317ef608ecac421abc4d986d585d2.zip
Merge tag 'v3.4-rc3' into staging/for_v3.5
* tag 'v3.4-rc3': (3755 commits) Linux 3.4-rc3 x86-32: fix up strncpy_from_user() sign error ARM: 7386/1: jump_label: fixup for rename to static_key ARM: 7384/1: ThumbEE: Disable userspace TEEHBR access for !CONFIG_ARM_THUMBEE ARM: 7382/1: mm: truncate memory banks to fit in 4GB space for classic MMU ARM: 7359/2: smp_twd: Only wait for reprogramming on active cpus PCI: Fix regression in pci_restore_state(), v3 SCSI: Fix error handling when no ULD is attached ARM: OMAP: clock: cleanup CPUfreq leftovers, fix build errors ARM: dts: remove blank interrupt-parent properties ARM: EXYNOS: Fix Kconfig dependencies for device tree enabled machine files do not export kernel's NULL #define to userspace ARM: EXYNOS: Remove broken config values for touchscren for NURI board ARM: EXYNOS: set fix xusbxti clock for NURI and Universal210 boards ARM: EXYNOS: fix regulator name for NURI board ARM: SAMSUNG: make SAMSUNG_PM_DEBUG select DEBUG_LL cpufreq: OMAP: fix build errors: depends on ARCH_OMAP2PLUS sparc64: Eliminate obsolete __handle_softirq() function sparc64: Fix bootup crash on sun4v. ARM: msm: Fix section mismatches in proc_comm.c ...
Diffstat (limited to 'lib/vsprintf.c')
-rw-r--r--lib/vsprintf.c22
1 files changed, 21 insertions, 1 deletions
diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index 38e612e66da5..abbabec9720a 100644
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -17,7 +17,7 @@
*/
#include <stdarg.h>
-#include <linux/module.h>
+#include <linux/module.h> /* for KSYM_SYMBOL_LEN */
#include <linux/types.h>
#include <linux/string.h>
#include <linux/ctype.h>
@@ -212,6 +212,26 @@ char *put_dec(char *buf, unsigned long long num)
}
}
+/*
+ * Convert passed number to decimal string.
+ * Returns the length of string. On buffer overflow, returns 0.
+ *
+ * If speed is not important, use snprintf(). It's easy to read the code.
+ */
+int num_to_str(char *buf, int size, unsigned long long num)
+{
+ char tmp[21]; /* Enough for 2^64 in decimal */
+ int idx, len;
+
+ len = put_dec(tmp, num) - tmp;
+
+ if (len > size)
+ return 0;
+ for (idx = 0; idx < len; ++idx)
+ buf[idx] = tmp[len - idx - 1];
+ return len;
+}
+
#define ZEROPAD 1 /* pad with zero */
#define SIGN 2 /* unsigned/signed long */
#define PLUS 4 /* show plus */