[libvirt] [PATCH v4 2/8] vircgroupmock: Adapt to virmock.h
Michal Privoznik
mprivozn at redhat.com
Fri May 13 12:32:03 UTC 2016
Instead of introducing our own wrapper for dlsym()
we can use the one provided by virmock.h.
Signed-off-by: Michal Privoznik <mprivozn at redhat.com>
---
tests/vircgroupmock.c | 83 +++++++++++++++++++--------------------------------
1 file changed, 31 insertions(+), 52 deletions(-)
diff --git a/tests/vircgroupmock.c b/tests/vircgroupmock.c
index cfc51e8..10fe24d 100644
--- a/tests/vircgroupmock.c
+++ b/tests/vircgroupmock.c
@@ -21,11 +21,7 @@
#include <config.h>
#ifdef __linux__
-# include "internal.h"
-
-# include <stdio.h>
-# include <dlfcn.h>
-# include <stdlib.h>
+# include "virmock.h"
# include <unistd.h>
# include <fcntl.h>
# include <sys/stat.h>
@@ -41,14 +37,14 @@
# include "virstring.h"
# include "virfile.h"
-static int (*realopen)(const char *path, int flags, ...);
-static FILE *(*realfopen)(const char *path, const char *mode);
-static int (*realaccess)(const char *path, int mode);
-static int (*realstat)(const char *path, struct stat *sb);
-static int (*real__xstat)(int ver, const char *path, struct stat *sb);
-static int (*reallstat)(const char *path, struct stat *sb);
-static int (*real__lxstat)(int ver, const char *path, struct stat *sb);
-static int (*realmkdir)(const char *path, mode_t mode);
+static int (*real_open)(const char *path, int flags, ...);
+static FILE *(*real_fopen)(const char *path, const char *mode);
+static int (*real_access)(const char *path, int mode);
+static int (*real_stat)(const char *path, struct stat *sb);
+static int (*real___xstat)(int ver, const char *path, struct stat *sb);
+static int (*real_lstat)(const char *path, struct stat *sb);
+static int (*real___lxstat)(int ver, const char *path, struct stat *sb);
+static int (*real_mkdir)(const char *path, mode_t mode);
/* Don't make static, since it causes problems with clang
* when passed as an arg to asprintf()
@@ -173,7 +169,7 @@ static int make_file(const char *path,
if (asprintf(&filepath, "%s/%s", path, name) < 0)
return -1;
- if ((fd = realopen(filepath, O_CREAT|O_WRONLY, 0600)) < 0)
+ if ((fd = real_open(filepath, O_CREAT|O_WRONLY, 0600)) < 0)
goto cleanup;
if (write(fd, value, strlen(value)) != strlen(value))
@@ -204,7 +200,7 @@ static int make_controller(const char *path, mode_t mode)
if (STREQ(controller, "cpuacct"))
return symlink("cpu,cpuacct", path);
- if (realmkdir(path, mode) < 0)
+ if (real_mkdir(path, mode) < 0)
goto cleanup;
# define MAKE_FILE(name, value) \
@@ -394,32 +390,15 @@ static int make_controller(const char *path, mode_t mode)
static void init_syms(void)
{
- if (realfopen)
+ if (real_fopen)
return;
-# define LOAD_SYM(name) \
- do { \
- if (!(real ## name = dlsym(RTLD_NEXT, #name))) { \
- fprintf(stderr, "Cannot find real '%s' symbol\n", #name); \
- abort(); \
- } \
- } while (0)
-
-# define LOAD_SYM_ALT(name1, name2) \
- do { \
- if (!(real ## name1 = dlsym(RTLD_NEXT, #name1)) && \
- !(real ## name2 = dlsym(RTLD_NEXT, #name2))) { \
- fprintf(stderr, "Cannot find real '%s' or '%s' symbol\n", #name1, #name2); \
- abort(); \
- } \
- } while (0)
-
- LOAD_SYM(fopen);
- LOAD_SYM(access);
- LOAD_SYM_ALT(lstat, __lxstat);
- LOAD_SYM_ALT(stat, __xstat);
- LOAD_SYM(mkdir);
- LOAD_SYM(open);
+ VIR_MOCK_REAL_INIT(fopen);
+ VIR_MOCK_REAL_INIT(access);
+ VIR_MOCK_REAL_INIT_ALT(lstat, __lxstat);
+ VIR_MOCK_REAL_INIT_ALT(stat, __xstat);
+ VIR_MOCK_REAL_INIT(mkdir);
+ VIR_MOCK_REAL_INIT(open);
}
static void init_sysfs(void)
@@ -527,7 +506,7 @@ FILE *fopen(const char *path, const char *mode)
}
}
- return realfopen(path, mode);
+ return real_fopen(path, mode);
}
int access(const char *path, int mode)
@@ -545,7 +524,7 @@ int access(const char *path, int mode)
errno = ENOMEM;
return -1;
}
- ret = realaccess(newpath, mode);
+ ret = real_access(newpath, mode);
free(newpath);
} else if (STREQ(path, "/proc/cgroups") ||
STREQ(path, "/proc/self/cgroup") ||
@@ -557,7 +536,7 @@ int access(const char *path, int mode)
* a symlink to /proc/self/mounts. */
ret = 0;
} else {
- ret = realaccess(path, mode);
+ ret = real_access(path, mode);
}
return ret;
}
@@ -577,7 +556,7 @@ int __lxstat(int ver, const char *path, struct stat *sb)
errno = ENOMEM;
return -1;
}
- ret = real__lxstat(ver, newpath, sb);
+ ret = real___lxstat(ver, newpath, sb);
free(newpath);
} else if (STRPREFIX(path, fakedevicedir0)) {
sb->st_mode = S_IFBLK;
@@ -588,7 +567,7 @@ int __lxstat(int ver, const char *path, struct stat *sb)
sb->st_rdev = makedev(9, 0);
return 0;
} else {
- ret = real__lxstat(ver, path, sb);
+ ret = real___lxstat(ver, path, sb);
}
return ret;
}
@@ -608,7 +587,7 @@ int lstat(const char *path, struct stat *sb)
errno = ENOMEM;
return -1;
}
- ret = reallstat(newpath, sb);
+ ret = real_lstat(newpath, sb);
free(newpath);
} else if (STRPREFIX(path, fakedevicedir0)) {
sb->st_mode = S_IFBLK;
@@ -619,7 +598,7 @@ int lstat(const char *path, struct stat *sb)
sb->st_rdev = makedev(9, 0);
return 0;
} else {
- ret = reallstat(path, sb);
+ ret = real_lstat(path, sb);
}
return ret;
}
@@ -639,7 +618,7 @@ int __xstat(int ver, const char *path, struct stat *sb)
errno = ENOMEM;
return -1;
}
- ret = real__xstat(ver, newpath, sb);
+ ret = real___xstat(ver, newpath, sb);
free(newpath);
} else if (STRPREFIX(path, fakedevicedir0)) {
sb->st_mode = S_IFBLK;
@@ -650,7 +629,7 @@ int __xstat(int ver, const char *path, struct stat *sb)
sb->st_rdev = makedev(9, 0);
return 0;
} else {
- ret = real__xstat(ver, path, sb);
+ ret = real___xstat(ver, path, sb);
}
return ret;
}
@@ -690,7 +669,7 @@ int stat(const char *path, struct stat *sb)
if (!(newpath = strdup(path)))
return -1;
}
- ret = realstat(newpath, sb);
+ ret = real_stat(newpath, sb);
free(newpath);
return ret;
}
@@ -713,7 +692,7 @@ int mkdir(const char *path, mode_t mode)
ret = make_controller(newpath, mode);
free(newpath);
} else {
- ret = realmkdir(path, mode);
+ ret = real_mkdir(path, mode);
}
return ret;
}
@@ -750,9 +729,9 @@ int open(const char *path, int flags, ...)
va_start(ap, flags);
mode = va_arg(ap, mode_t);
va_end(ap);
- ret = realopen(newpath ? newpath : path, flags, mode);
+ ret = real_open(newpath ? newpath : path, flags, mode);
} else {
- ret = realopen(newpath ? newpath : path, flags);
+ ret = real_open(newpath ? newpath : path, flags);
}
free(newpath);
return ret;
--
2.8.1
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