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nm-shared-utils: add util to parse out lines from a string

Browse source 
https://bugzilla.redhat.com/show_bug.cgi?id=1821787
This commit is contained in:
Antonio Cardace 2020-06-23 17:58:42 +02:00
parent 3bd30f6064
commit aa5959a595
No known key found for this signature in database
GPG key ID: 6BF80ABD43E377D3
2 changed files with 46 additions and 0 deletions
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41
shared/nm-glib-aux/nm-shared-utils.c
View file

@ -1074,6 +1074,47 @@ nm_utils_parse_inaddr_prefix (int addr_family,
return TRUE;
}
gboolean
nm_utils_parse_next_line (const char **inout_ptr,
gsize *inout_len,
const char **out_line,
gsize *out_line_len)
{
const char *line_start;
const char *line_end;
g_return_val_if_fail (inout_ptr, FALSE);
g_return_val_if_fail (inout_len, FALSE);
g_return_val_if_fail (out_line, FALSE);
if (*inout_len <= 0)
goto error;
line_start = *inout_ptr;
line_end = memchr (line_start, '\n', *inout_len);
if (!line_end)
line_end = memchr (line_start, '\0', *inout_len);
if (!line_end) {
line_end = line_start + *inout_len;
NM_SET_OUT (inout_len, 0);
} else
NM_SET_OUT (inout_len, *inout_len - (line_end - line_start) - 1);
NM_SET_OUT (out_line, line_start);
NM_SET_OUT (out_line_len, (gsize) (line_end - line_start));
if (*inout_len > 0)
NM_SET_OUT (inout_ptr, line_end + 1);
else
NM_SET_OUT (inout_ptr, NULL);
return TRUE;
error:
NM_SET_OUT (out_line, NULL);
NM_SET_OUT (out_line_len, 0);
return FALSE;
}
/*****************************************************************************/
gboolean

5
shared/nm-glib-aux/nm-shared-utils.h
View file

@ -817,6 +817,11 @@ gboolean nm_utils_parse_inaddr_prefix (int addr_family,
char **out_addr,
int *out_prefix);
gboolean nm_utils_parse_next_line (const char **inout_ptr,
gsize *inout_len,
const char **out_line,
gsize *out_line_len);
gint64 nm_g_ascii_strtoll (const char *nptr,
char **endptr,
guint base);