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gpu: nvgpu: remove snprintf use to fix MISRA 17.1

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MISRA rule 17.1 forbids use of stdarg.h features defined for variable
arguments. This patch modifies functions using snprintf() to use
standard library string functions.

Jira NVGPU-4075

Change-Id: I206cb812fc46e9f463e4b7f392fa4f0e388d5706
Signed-off-by: Vedashree Vidwans <vvidwans@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2211270
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-misra <svc-mobile-misra@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Philip Elcan <pelcan@nvidia.com>
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Vedashree Vidwans
2019-10-03 16:58:47 -07:00
committed by Alex Waterman
parent 8c8965396e
commit e56a9186b1
4 changed files with 137 additions and 95 deletions
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47
drivers/gpu/nvgpu/include/nvgpu/posix/utils.h
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@@ -364,53 +364,6 @@
*/
#define MHZ_TO_HZ_ULL(a) ((u64)(a) * MHZ)
/*
* Caps return at the size of the buffer not what would have been written if buf
* were arbitrarily sized.
*/
#ifdef CONFIG_NVGPU_LOGGING
/**
* @brief Format a string and store it in buffer.
*
* @param buf [in,out] Buffer to hold the formatted string.
* @param size [in] Size of the buf.
* @param format [in] Format of the input string.
* @param args [in] Variable length args.
*
* Formats the string and places it in the location referenced by input
* parameter buf.
*
* @return Returns the number of characters printed in a successful scenario,
* Otherwise returns the error code.
*/
static inline int scnprintf(char *buf, size_t size, const char *format, ...)
{
size_t ret;
va_list args;
va_start(args, format);
ret = (size_t)vsnprintf(buf, size, format, args);
va_end(args);
return ret <= size ? (int)ret : (int)size;
}
#else
/**
* @brief Dummy function for scnprintf if logging is disabled.
*
* @param buf [in,out] Buffer to hold the formatted string.
* @param size [in] Size of the buf.
* @param format [in] Format of the input string.
* @param args [in] Variable length args.
*
* @return Returns 0.
*/
static inline int scnprintf(char *buf, size_t size, const char *format, ...)
{
return 0;
}
#endif
/**
* @brief Endian conversion.
*