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topology: implement shorter hexa uuid 00:00 parser

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Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Jaroslav Kysela 2019-12-28 21:44:03 +01:00
parent 07d779143b
commit 2947d83c13
1 changed files with 31 additions and 6 deletions
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37
src/topology/data.c
View file

@ -22,8 +22,8 @@
#include <ctype.h>
#define UUID_FORMAT "\
0x%02x, 0x%02x, 0x%02x, 0x%02x, 0x%02x, 0x%02x, 0x%02x, 0x%02x, \
0x%02x, 0x%02x, 0x%02x, 0x%02x, 0x%02x, 0x%02x, 0x%02x, 0x%02x"
%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x:\
%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x"
/* Get private data buffer of an element */
struct snd_soc_tplg_private *get_priv_data(struct tplg_elem *elem)
@ -316,7 +316,6 @@ format2:
values++;
s += 2;
}
s++;
}
s++;
@ -341,6 +340,32 @@ static int get_uuid(const char *str, unsigned char *uuid_le)
if (tmp == NULL)
return -ENOMEM;
if (strchr(tmp, ':') == NULL)
goto data2;
s = strtok(tmp, ":");
while (s != NULL) {
errno = 0;
val = strtoul(s, NULL, 16);
if ((errno == ERANGE && val == ULONG_MAX)
|| (errno != 0 && val == 0)
|| (val > UCHAR_MAX)) {
SNDERR("invalid value for uuid");
ret = -EINVAL;
goto out;
}
*(uuid_le + values) = (unsigned char)val;
values++;
if (values >= 16)
break;
s = strtok(NULL, ":");
}
goto out;
data2:
s = strtok(tmp, ",");
while (s != NULL) {
@ -354,7 +379,7 @@ static int get_uuid(const char *str, unsigned char *uuid_le)
goto out;
}
*(uuid_le + values) = (unsigned char)val;
*(uuid_le + values) = (unsigned char)val;
values++;
if (values >= 16)
@ -413,7 +438,7 @@ static int copy_data_hex(char *data, int off, const char *str, int width)
return -ENOMEM;
p += off;
s = strtok(tmp, ",");
s = strtok(tmp, ",:");
while (s != NULL) {
ret = write_hex(p, s, width);
@ -422,7 +447,7 @@ static int copy_data_hex(char *data, int off, const char *str, int width)
return ret;
}
s = strtok(NULL, ",");
s = strtok(NULL, ",:");
p += width;
}