control: eld - skip trailing spaces
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Jaroslav Kysela
1 year, 6 months ago
| 46 | 46 | snd_ctl_elem_info_t cinfo = {0}; |
| 47 | 47 | snd_ctl_elem_value_t value = {0}; |
| 48 | 48 | unsigned char *eld; |
| 49 | unsigned int l; | |
| 49 | unsigned int l, spc; | |
| 50 | 50 | char *s, c; |
| 51 | 51 | int ret, valid; |
| 52 | 52 | |
| 81 | 81 | return 0; |
| 82 | 82 | } |
| 83 | 83 | s = alloca(l + 1); |
| 84 | s[l] = '\0'; | |
| 85 | 84 | /* sanitize */ |
| 86 | 85 | valid = 0; |
| 86 | spc = 0; | |
| 87 | 87 | while (l > 0) { |
| 88 | 88 | l--; |
| 89 | 89 | c = eld[20 + l]; |
| 90 | if (c < ' ' || c >= 0x7f) { | |
| 90 | if (c <= ' ' || c >= 0x7f) { | |
| 91 | 91 | s[l] = ' '; |
| 92 | 92 | } else { |
| 93 | 93 | valid += !!isalnum(c); |
| 94 | 94 | s[l] = c; |
| 95 | if (spc == 0) | |
| 96 | spc = l + 1; | |
| 95 | 97 | } |
| 96 | 98 | } |
| 97 | 99 | if (valid > 3) { |
| 100 | s[spc] = '\0'; | |
| 98 | 101 | snd_strlcpy((char *)info->name, s, sizeof(info->name)); |
| 99 | 102 | } else { |
| 100 | 103 | __present: |