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![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
cde03b |
/****************************************************************/
|
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![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
cde03b |
/* mdso: midipix dso scavenger */
|
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![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
cde03b |
/* Copyright (C) 2015 Z. Gilboa */
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![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
cde03b |
/* Released under GPLv2 and GPLv3; see COPYING.MDSO. */
|
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![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
cde03b |
/****************************************************************/
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
cde03b |
|
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![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
cde03b |
#include <stdint.h>
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
cde03b |
#include <stddef.h>
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
cde03b |
#include <stdlib.h>
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![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
cde03b |
#include <string.h>
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![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
14073f |
#include <unistd.h>
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![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
14073f |
#include <errno.h>
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
cde03b |
#include <sys/mman.h>
|
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![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
cde03b |
|
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![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
cde03b |
#include <mdso/mdso.h>
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![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
cde03b |
#include "mdso_driver_impl.h"
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![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
cde03b |
|
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![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
cde03b |
static int mdso_free_unit_ctx_impl(struct mdso_unit_ctx_impl * ctx, int status)
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
cde03b |
{
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
cde03b |
if (ctx) {
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
cde03b |
mdso_unmap_input(&ctx->map);
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![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
cde03b |
free(ctx);
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|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
cde03b |
}
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![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
cde03b |
|
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![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
cde03b |
return status;
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
cde03b |
}
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
cde03b |
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
14073f |
static FILE * mdso_stdin_to_tmp(void)
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
14073f |
{
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
14073f |
FILE * ftmp;
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
14073f |
char buf[4096];
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
14073f |
ssize_t nread;
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
14073f |
int ret;
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
14073f |
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
14073f |
if (!(ftmp = tmpfile()))
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
14073f |
return 0;
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
14073f |
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
14073f |
nread = read(0,buf,sizeof(buf)-1);
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
14073f |
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
14073f |
while (nread) {
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
14073f |
if (nread > 0) {
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
14073f |
buf[nread] = '\0';
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
14073f |
ret = fputs(buf,ftmp);
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
14073f |
} else
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
14073f |
ret = (errno == EINTR) ? 0 : -1;
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
14073f |
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
14073f |
if (ret < 0) {
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
14073f |
fclose(ftmp);
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
14073f |
return 0;
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
14073f |
}
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
14073f |
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
14073f |
nread = read(0,buf,sizeof(buf)-1);
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
14073f |
}
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
14073f |
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
14073f |
return ftmp;
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
14073f |
}
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
14073f |
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
cde03b |
int mdso_get_unit_ctx(
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
cde03b |
const struct mdso_driver_ctx * dctx,
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
cde03b |
const char * path,
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
cde03b |
struct mdso_unit_ctx ** pctx)
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
cde03b |
{
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
cde03b |
struct mdso_unit_ctx_impl * ctx;
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
14073f |
FILE * ftmp;
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
14073f |
int fd;
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
cde03b |
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
cde03b |
if (!dctx || !(ctx = calloc(sizeof(*ctx),1)))
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
cde03b |
return -1;
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
cde03b |
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
14073f |
if (strcmp(path,"-"))
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
14073f |
fd = -1;
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
14073f |
else if (!(ftmp = mdso_stdin_to_tmp()))
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
14073f |
return mdso_free_unit_ctx_impl(ctx,-1);
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
14073f |
else if ((fd = dup(fileno(ftmp))) < 0)
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
cde03b |
return mdso_free_unit_ctx_impl(ctx,-1);
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
14073f |
else
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
14073f |
fclose(ftmp);
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
14073f |
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
14073f |
if (mdso_map_input(fd,path,PROT_READ,&ctx->map))
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
14073f |
return mdso_free_unit_ctx_impl(ctx,-1);
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
14073f |
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
14073f |
if (fd > 0)
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
14073f |
close(fd);
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
cde03b |
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
cde03b |
memcpy(&ctx->cctx,dctx->cctx,
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
cde03b |
sizeof(ctx->cctx));
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
cde03b |
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
cde03b |
ctx->path = path;
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
cde03b |
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
cde03b |
ctx->uctx.path = &ctx->path;
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
cde03b |
ctx->uctx.map = &ctx->map;
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
cde03b |
ctx->uctx.cctx = &ctx->cctx;
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
cde03b |
|
|
![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
cde03b |
*pctx = &ctx->uctx;
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![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
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return 0;
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![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
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}
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![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
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![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
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void mdso_free_unit_ctx(struct mdso_unit_ctx * ctx)
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![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
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{
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![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
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struct mdso_unit_ctx_impl * ictx;
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![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
cde03b |
uintptr_t addr;
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![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
cde03b |
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![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
cde03b |
if (ctx) {
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![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
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addr = (uintptr_t)ctx - offsetof(struct mdso_unit_ctx_impl,uctx);
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![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
cde03b |
ictx = (struct mdso_unit_ctx_impl *)addr;
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![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
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mdso_free_unit_ctx_impl(ictx,0);
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![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
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}
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![](https://seccdn.libravatar.org/avatar/010a04b188371137c95e3f06f2c34ffc76c25df631461eee33740684fe5e265f?s=16&d=retro) |
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}
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