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vppinfra: add unformat_c_string_array

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Type: improvement
Change-Id: Iea5ecca5d4cbc6c7aea69104830afcfe78c708ee
Signed-off-by: Damjan Marion <damarion@cisco.com>
This commit is contained in:
Damjan Marion
2023-07-31 20:07:31 +02:00
parent 83ca6e66d0
commit f566524a21
2 changed files with 27 additions and 0 deletions
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3
src/vppinfra/format.h
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@ -304,6 +304,9 @@ unformat_function_t unformat_eof;
/* Parse memory size e.g. 100, 100k, 100m, 100g. */
unformat_function_t unformat_memory_size;
/* Unformat C string array, takes array length as 2nd argument */
unformat_function_t unformat_c_string_array;
/* Format base 10 e.g. 100, 100K, 100M, 100G */
u8 *format_base10 (u8 *s, va_list *va);

24
src/vppinfra/unformat.c
View File

@ -1086,6 +1086,30 @@ unformat_data_size (unformat_input_t * input, va_list * args)
return 1;
}
__clib_export uword
unformat_c_string_array (unformat_input_t *input, va_list *va)
{
char *str = va_arg (*va, char *);
u32 array_len = va_arg (*va, u32);
uword c, rv = 0;
u8 *s = 0;
if (unformat (input, "%v", &s) == 0)
return 0;
c = vec_len (s);
if (c > 0 && c < array_len)
{
clib_memcpy (str, s, c);
str[c] = 0;
rv = 1;
}
vec_free (s);
return rv;
}
#endif /* CLIB_UNIX */