[libvirt] [PATCH v4 1/8] virpcimock: Adapt to virmock.h
Michal Privoznik
mprivozn at redhat.com
Fri May 13 12:32:02 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/virmock.h | 10 ++++++
tests/virpcimock.c | 97 ++++++++++++++++++++++--------------------------------
2 files changed, 50 insertions(+), 57 deletions(-)
diff --git a/tests/virmock.h b/tests/virmock.h
index a69c836..62a7c8f 100644
--- a/tests/virmock.h
+++ b/tests/virmock.h
@@ -292,4 +292,14 @@
} \
} while (0)
+# define VIR_MOCK_REAL_INIT_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)
+
#endif /* __VIR_MOCK_H__ */
diff --git a/tests/virpcimock.c b/tests/virpcimock.c
index cfe42a6..c7786e5 100644
--- a/tests/virpcimock.c
+++ b/tests/virpcimock.c
@@ -21,10 +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>
@@ -35,15 +32,15 @@
# include "virfile.h"
# include "dirname.h"
-static int (*realaccess)(const char *path, int mode);
-static int (*reallstat)(const char *path, struct stat *sb);
-static int (*real__lxstat)(int ver, const char *path, struct stat *sb);
-static int (*realstat)(const char *path, struct stat *sb);
-static int (*real__xstat)(int ver, const char *path, struct stat *sb);
-static char *(*realcanonicalize_file_name)(const char *path);
-static int (*realopen)(const char *path, int flags, ...);
-static int (*realclose)(int fd);
-static DIR * (*realopendir)(const char *name);
+static int (*real_access)(const char *path, int mode);
+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_stat)(const char *path, struct stat *sb);
+static int (*real___xstat)(int ver, const char *path, struct stat *sb);
+static char *(*real_canonicalize_file_name)(const char *path);
+static int (*real_open)(const char *path, int flags, ...);
+static int (*real_close)(int fd);
+static DIR * (*real_opendir)(const char *name);
/* Don't make static, since it causes problems with clang
* when passed as an arg to virAsprintf()
@@ -181,7 +178,7 @@ make_file(const char *path,
if (virAsprintfQuiet(&filepath, "%s/%s", path, name) < 0)
ABORT_OOM();
- if ((fd = realopen(filepath, O_CREAT|O_WRONLY, 0666)) < 0)
+ if ((fd = real_open(filepath, O_CREAT|O_WRONLY, 0666)) < 0)
ABORT("Unable to open: %s", filepath);
if (value && safewrite(fd, value, len) != len)
@@ -207,7 +204,7 @@ pci_read_file(const char *path,
goto cleanup;
}
- if ((fd = realopen(newpath, O_RDWR)) < 0)
+ if ((fd = real_open(newpath, O_RDWR)) < 0)
goto cleanup;
bzero(buf, buf_size);
@@ -222,7 +219,7 @@ pci_read_file(const char *path,
ret = 0;
cleanup:
VIR_FREE(newpath);
- realclose(fd);
+ real_close(fd);
return ret;
}
@@ -354,8 +351,8 @@ pci_device_new_from_stub(const struct pciDevice *data)
/* If there is a config file for the device within virpcitestdata dir,
* symlink it. Otherwise create a dummy config file. */
- if ((realstat && realstat(configSrc, &sb) == 0) ||
- (real__xstat && real__xstat(_STAT_VER, configSrc, &sb) == 0)) {
+ if ((real_stat && real_stat(configSrc, &sb) == 0) ||
+ (real___xstat && real___xstat(_STAT_VER, configSrc, &sb) == 0)) {
/* On success, copy @configSrc into the destination (a copy,
* rather than a symlink, is required since we write into the
* file, and parallel VPATH builds must not stomp on the
@@ -772,30 +769,16 @@ pci_driver_handle_remove_id(const char *path)
static void
init_syms(void)
{
- if (realaccess)
+ if (real_access)
return;
-# define LOAD_SYM(name) \
- do { \
- if (!(real ## name = dlsym(RTLD_NEXT, #name))) \
- ABORT("Cannot find real '%s' symbol\n", #name); \
- } while (0)
-
-# define LOAD_SYM_ALT(name1, name2) \
- do { \
- if (!(real ## name1 = dlsym(RTLD_NEXT, #name1)) && \
- !(real ## name2 = dlsym(RTLD_NEXT, #name2))) \
- ABORT("Cannot find real '%s' or '%s' symbol\n", \
- #name1, #name2); \
- } while (0)
-
- LOAD_SYM(access);
- LOAD_SYM_ALT(lstat, __lxstat);
- LOAD_SYM_ALT(stat, __xstat);
- LOAD_SYM(canonicalize_file_name);
- LOAD_SYM(open);
- LOAD_SYM(close);
- LOAD_SYM(opendir);
+ VIR_MOCK_REAL_INIT(access);
+ VIR_MOCK_REAL_INIT_ALT(lstat, __lxstat);
+ VIR_MOCK_REAL_INIT_ALT(stat, __xstat);
+ VIR_MOCK_REAL_INIT(canonicalize_file_name);
+ VIR_MOCK_REAL_INIT(open);
+ VIR_MOCK_REAL_INIT(close);
+ VIR_MOCK_REAL_INIT(opendir);
}
static void
@@ -865,10 +848,10 @@ access(const char *path, int mode)
char *newpath;
if (getrealpath(&newpath, path) < 0)
return -1;
- ret = realaccess(newpath, mode);
+ ret = real_access(newpath, mode);
VIR_FREE(newpath);
} else {
- ret = realaccess(path, mode);
+ ret = real_access(path, mode);
}
return ret;
}
@@ -884,10 +867,10 @@ __lxstat(int ver, const char *path, struct stat *sb)
char *newpath;
if (getrealpath(&newpath, path) < 0)
return -1;
- ret = real__lxstat(ver, newpath, sb);
+ ret = real___lxstat(ver, newpath, sb);
VIR_FREE(newpath);
} else {
- ret = real__lxstat(ver, path, sb);
+ ret = real___lxstat(ver, path, sb);
}
return ret;
}
@@ -903,10 +886,10 @@ lstat(const char *path, struct stat *sb)
char *newpath;
if (getrealpath(&newpath, path) < 0)
return -1;
- ret = reallstat(newpath, sb);
+ ret = real_lstat(newpath, sb);
VIR_FREE(newpath);
} else {
- ret = reallstat(path, sb);
+ ret = real_lstat(path, sb);
}
return ret;
}
@@ -922,10 +905,10 @@ __xstat(int ver, const char *path, struct stat *sb)
char *newpath;
if (getrealpath(&newpath, path) < 0)
return -1;
- ret = real__xstat(ver, newpath, sb);
+ ret = real___xstat(ver, newpath, sb);
VIR_FREE(newpath);
} else {
- ret = real__xstat(ver, path, sb);
+ ret = real___xstat(ver, path, sb);
}
return ret;
}
@@ -941,10 +924,10 @@ stat(const char *path, struct stat *sb)
char *newpath;
if (getrealpath(&newpath, path) < 0)
return -1;
- ret = realstat(newpath, sb);
+ ret = real_stat(newpath, sb);
VIR_FREE(newpath);
} else {
- ret = realstat(path, sb);
+ ret = real_stat(path, sb);
}
return ret;
}
@@ -960,10 +943,10 @@ canonicalize_file_name(const char *path)
char *newpath;
if (getrealpath(&newpath, path) < 0)
return NULL;
- ret = realcanonicalize_file_name(newpath);
+ ret = real_canonicalize_file_name(newpath);
VIR_FREE(newpath);
} else {
- ret = realcanonicalize_file_name(path);
+ ret = real_canonicalize_file_name(path);
}
return ret;
}
@@ -986,16 +969,16 @@ 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);
}
/* Catch both: /sys/bus/pci/drivers/... and
* /sys/bus/pci/device/.../driver/... */
if (ret >= 0 && STRPREFIX(path, SYSFS_PCI_PREFIX) &&
strstr(path, "driver") && add_fd(ret, path) < 0) {
- realclose(ret);
+ real_close(ret);
ret = -1;
}
@@ -1015,7 +998,7 @@ opendir(const char *path)
getrealpath(&newpath, path) < 0)
return NULL;
- ret = realopendir(newpath ? newpath : path);
+ ret = real_opendir(newpath ? newpath : path);
VIR_FREE(newpath);
return ret;
@@ -1026,7 +1009,7 @@ close(int fd)
{
if (remove_fd(fd) < 0)
return -1;
- return realclose(fd);
+ return real_close(fd);
}
#else
/* Nothing to override on non-__linux__ platforms */
--
2.8.1
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