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#include "sndversions.h" |
#include "sndversions.h" |
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#endif |
#endif |
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#include <linux/kmod.h> |
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#include <linux/devfs_fs_kernel.h> |
#include <linux/devfs_fs_kernel.h> |
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#include "../alsa-kernel/core/wrappers.c" |
#include "../alsa-kernel/core/wrappers.c" |
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#ifndef CONFIG_HAVE_STRLCPY |
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#define strlcpy snd_compat_strlcpy |
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#define strlcat snd_compat_strlcat |
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#ifndef BUG_ON |
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#define BUG_ON(x) /* nothing */ |
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#endif |
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size_t snd_compat_strlcpy(char *dest, const char *src, size_t size) |
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{ |
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size_t ret = strlen(src); |
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if (size) { |
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size_t len = (ret >= size) ? size-1 : ret; |
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memcpy(dest, src, len); |
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dest[len] = '\0'; |
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} |
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return ret; |
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} |
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size_t snd_compat_strlcat(char *dest, const char *src, size_t count) |
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{ |
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size_t dsize = strlen(dest); |
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size_t len = strlen(src); |
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size_t res = dsize + len; |
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/* This would be a bug */ |
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BUG_ON(dsize >= count); |
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dest += dsize; |
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count -= dsize; |
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if (len >= count) |
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len = count-1; |
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memcpy(dest, src, len); |
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dest[len] = 0; |
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return res; |
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} |
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#endif |
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#ifndef CONFIG_HAVE_SNPRINTF |
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#define vsnprintf snd_compat_vsnprintf |
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58 |
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int snd_compat_vsnprintf(char *buf, size_t size, const char *fmt, va_list args) |
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{ |
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char *ptr = (void *) __get_free_pages(GFP_KERNEL, 0); |
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va_list args; |
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if (ptr == NULL) { /* should not happen - GFP_KERNEL has wait flag */ |
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if (size > 0) |
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buf[0] = 0; |
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return 0; |
66 |
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} |
67 |
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vsprintf(ptr, fmt, args); |
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strlcpy(buf, ptr, size); |
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free_pages((unsigned long) ptr, 0); |
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return strlen(buf); |
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} |
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73 |
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int snd_compat_snprintf(char *buf, size_t size, const char * fmt, ...) |
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{ |
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int res; |
76 |
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|
77 |
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va_start(args, fmt); |
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res = snd_compat_vsnprintf(buf, size, args); |
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va_end(args); |
80 |
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return res; |
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} |
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#endif |
83 |
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84 |
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#ifdef CONFIG_HAVE_OLD_REQUEST_MODULE |
85 |
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void snd_compat_request_module(const char *fmt, ...) |
86 |
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{ |
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char buf[64]; |
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va_list args; |
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int n; |
90 |
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|
91 |
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va_start(args, fmt); |
92 |
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n = vsnprintf(buf, 64, fmt, args); |
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if (n < 64 && buf[0]) |
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request_module(buf); |
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va_end(args); |
96 |
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} |
97 |
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#endif |
98 |
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|
99 |
#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 3, 0) |
#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 3, 0) |
100 |
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|
101 |
void snd_wrapper_request_region(unsigned long from, unsigned long extent, const char *name) |
void snd_wrapper_request_region(unsigned long from, unsigned long extent, const char *name) |
103 |
return request_region(from, extent, name); |
return request_region(from, extent, name); |
104 |
} |
} |
105 |
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106 |
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#ifdef CONFIG_OLD_KILL_FASYNC |
107 |
void snd_wrapper_kill_fasync(struct fasync_struct **fp, int sig, int band) |
void snd_wrapper_kill_fasync(struct fasync_struct **fp, int sig, int band) |
108 |
{ |
{ |
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#ifdef CONFIG_OLD_KILL_FASYNC |
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109 |
kill_fasync(*(fp), sig); |
kill_fasync(*(fp), sig); |
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#else |
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kill_fasync(*(fp), sig, band); |
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#endif |
|
110 |
} |
} |
111 |
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#endif |
112 |
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113 |
#endif /* < 2.3.0 */ |
#endif /* < 2.3.0 */ |
114 |
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115 |
#if defined(CONFIG_DEVFS_FS) |
#if defined(CONFIG_DEVFS_FS) |
116 |
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#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 4, 10) |
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#define vsnprintf(buf,size,fmt,args) vsprintf(buf,fmt,args) |
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#endif |
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117 |
#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 5, 29) |
#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 5, 29) |
118 |
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|
119 |
void snd_compat_devfs_remove(const char *fmt, ...) |
void snd_compat_devfs_remove(const char *fmt, ...) |
129 |
devfs_unregister(de); |
devfs_unregister(de); |
130 |
devfs_put(de); |
devfs_put(de); |
131 |
} |
} |
132 |
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va_end(args); |
133 |
} |
} |
134 |
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|
135 |
#endif /* 2.5.29 */ |
#endif /* 2.5.29 */ |
136 |
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|
137 |
#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 5, 67) |
#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 5, 67) |
138 |
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|
139 |
devfs_handle_t snd_compat_devfs_mk_dir(const char *dir) |
int snd_compat_devfs_mk_dir(const char *dir, ...) |
140 |
{ |
{ |
141 |
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char buf[64]; |
142 |
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va_list args; |
143 |
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int n; |
144 |
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|
145 |
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va_start(args, dir); |
146 |
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n = vsnprintf(buf, 64, dir, args); |
147 |
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va_end(args); |
148 |
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if (n < 64 && buf[0]) { |
149 |
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,3,0) |
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,3,0) |
150 |
return devfs_mk_dir(NULL, dir, strlen(dir), NULL); |
return devfs_mk_dir(NULL, buf, strlen(dir), NULL) ? -EIO : 0; |
151 |
#else |
#else |
152 |
return devfs_mk_dir(NULL, dir, NULL); |
return devfs_mk_dir(NULL, buf, NULL) ? -EIO : 0; |
153 |
#endif |
#endif |
154 |
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} |
155 |
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return 0; |
156 |
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} |
157 |
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|
158 |
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extern struct file_operations snd_fops; |
159 |
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int snd_compat_devfs_mk_cdev(dev_t dev, umode_t mode, const char *fmt, ...) |
160 |
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{ |
161 |
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char buf[64]; |
162 |
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va_list args; |
163 |
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int n; |
164 |
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|
165 |
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va_start(args, fmt); |
166 |
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n = vsnprintf(buf, 64, fmt, args); |
167 |
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va_end(args); |
168 |
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if (n < 64 && buf[0]) { |
169 |
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devfs_register(NULL, buf, DEVFS_FL_DEFAULT, |
170 |
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major(dev), minor(dev), mode, |
171 |
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&snd_fops, NULL); |
172 |
|
} |
173 |
|
return 0; |
174 |
} |
} |
175 |
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|
176 |
#endif /* 2.5.67 */ |
#endif /* 2.5.67 */ |