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Compute cJSON_Version() at compile time #858

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Compute cJSON_Version() at compile time #858

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9 changes: 5 additions & 4 deletions cJSON.c
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Original file line number Diff line number Diff line change
Expand Up @@ -121,12 +121,13 @@ CJSON_PUBLIC(double) cJSON_GetNumberValue(const cJSON * const item)
#error cJSON.h and cJSON.c have different versions. Make sure that both have the same.
#endif

#define STRINGIFY_(s) #s
#define STRINGIFY(s) STRINGIFY_(s)

CJSON_PUBLIC(const char*) cJSON_Version(void)
{
static char version[15];
sprintf(version, "%i.%i.%i", CJSON_VERSION_MAJOR, CJSON_VERSION_MINOR, CJSON_VERSION_PATCH);

return version;
return STRINGIFY(CJSON_VERSION_MAJOR) "." STRINGIFY(CJSON_VERSION_MINOR) "." \
STRINGIFY(CJSON_VERSION_PATCH);
}

/* Case insensitive string comparison, doesn't consider two NULL pointers equal though */
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