thirdparty/util-linux
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lib/strutils: improve normalize_whitespace()

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Let's make it possible to use the function to normalize the string
between two buffers (from source to destination).

Signed-off-by: Karel Zak <kzak@redhat.com>
This commit is contained in:
Karel Zak 2021-06-14 16:24:59 +02:00
parent 38b9be784b
commit c862d0e177
2 changed files with 34 additions and 14 deletions
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21
lib/strutils.c
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@ -1175,17 +1175,26 @@ static int test_strutils_cmp_paths(int argc, char *argv[])
static int test_strutils_normalize(int argc, char *argv[])
{
unsigned char *str;
size_t sz;
unsigned char *src, *dst;
size_t sz, len;
if (argc < 2)
return EXIT_FAILURE;
str = (unsigned char *) strdup(argv[1]);
sz = normalize_whitespace(str);
src = (unsigned char *) strdup(argv[1]);
len = strlen((char *) src);
dst = malloc(len + 1);
printf("'%s' --> '%s' [sz=%zu]\n", argv[1], str, sz);
free(str);
/* two buffers */
sz = __normalize_whitespace(src, len, dst, len + 1);
printf("1: '%s' --> '%s' [sz=%zu]\n", src, dst, sz);
/* one buffer */
sz = normalize_whitespace(src);
printf("2: '%s' --> '%s' [sz=%zu]\n", argv[1], src, sz);
free(src);
free(dst);
return EXIT_SUCCESS;
}