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scanf() fixes from kfrolov: 1) sscanf() function hangs in the following example: sscanf(2, %u,%u,%u,%u, ...), 2) sscanf() returns incorrect number of parsed numbers if some arguments can't be parsed: sscanf(=2, %u,%u,%u,%u,...)==1 instead of 0, and 3) using of char* instead of const char* in vsscanf function leads to warnings from GCC.

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This commit is contained in:
Gregory Nutt
2013-10-21 10:41:15 -06:00
parent ba1ea91e37
commit 545cef3223
3 changed files with 57 additions and 21 deletions
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include/stdio.h
+1 -1
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@@ -142,7 +142,7 @@ int vfprintf(FAR FILE *stream, const char *format, va_list ap);
int vsprintf(FAR char *buf, const char *format, va_list ap);
int avsprintf(FAR char **ptr, const char *fmt, va_list ap);
int vsnprintf(FAR char *buf, size_t size, const char *format, va_list ap);
int vsscanf(char *buf, const char *s, va_list ap);
int vsscanf(FAR const char *buf, FAR const char *s, va_list ap);
/* Operations on file descriptors including:
*