diff options
Diffstat (limited to 'libntp/audio.c')
| -rw-r--r-- | libntp/audio.c | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/libntp/audio.c b/libntp/audio.c index 2a56619..6f2262c 100644 --- a/libntp/audio.c +++ b/libntp/audio.c @@ -67,7 +67,7 @@ static struct audio_info info; /* audio device info */ static int ctl_fd; /* audio control file descriptor */ #ifdef PCM_STYLE_SOUND -static void audio_config_read (int, char **, char **); +static void audio_config_read (int, const char **, const char **); static int mixer_name (const char *, int); @@ -114,8 +114,8 @@ mixer_name( static void audio_config_read( int unit, - char **c_dev, /* Control device */ - char **i_dev /* input device */ + const char **c_dev, /* Control device */ + const char **i_dev /* input device */ ) { FILE *fd; @@ -148,12 +148,12 @@ audio_config_read( /* Remove any trailing spaces */ for (i = strlen(line); - i > 0 && isascii((int)line[i - 1]) && isspace((int)line[i - 1]); + i > 0 && isascii((unsigned char)line[i - 1]) && isspace((unsigned char)line[i - 1]); ) line[--i] = '\0'; /* Remove leading space */ - for (cc = line; *cc && isascii((int)*cc) && isspace((int)*cc); cc++) + for (cc = line; *cc && isascii((unsigned char)*cc) && isspace((unsigned char)*cc); cc++) continue; /* Stop if nothing left */ @@ -162,16 +162,16 @@ audio_config_read( /* Uppercase the command and find the arg */ for (ca = cc; *ca; ca++) { - if (isascii((int)*ca)) { - if (islower((int)*ca)) { - *ca = toupper(*ca); - } else if (isspace((int)*ca) || (*ca == '=')) + if (isascii((unsigned char)*ca)) { + if (islower((unsigned char)*ca)) { + *ca = toupper((unsigned char)*ca); + } else if (isspace((unsigned char)*ca) || (*ca == '=')) break; } } /* Remove space (and possible =) leading the arg */ - for (; *ca && isascii((int)*ca) && (isspace((int)*ca) || (*ca == '=')); ca++) + for (; *ca && isascii((unsigned char)*ca) && (isspace((unsigned char)*ca) || (*ca == '=')); ca++) continue; if (!strncmp(cc, "IDEV", 4) && @@ -210,7 +210,7 @@ audio_config_read( */ int audio_init( - char *dname, /* device name */ + const char *dname, /* device name */ int bufsiz, /* buffer size */ int unit /* device unit (0-3) */ ) @@ -227,7 +227,7 @@ audio_init( #endif int fd; int rval; - char *actl = + const char *actl = #ifdef PCM_STYLE_SOUND actl_dev #else |