os/os_memory_aligned.h: Handle integer overflow.
[mesa.git] / src / gallium / auxiliary / os / os_process.c
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3 * Copyright 2013 VMware, Inc.
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27
28
29 #include "pipe/p_config.h"
30 #include "os/os_process.h"
31 #include "util/u_memory.h"
32
33 #if defined(PIPE_SUBSYSTEM_WINDOWS_USER)
34 # include <windows.h>
35 #elif defined(__GLIBC__) || defined(__CYGWIN__)
36 # include <errno.h>
37 #elif defined(PIPE_OS_BSD) || defined(PIPE_OS_APPLE)
38 # include <stdlib.h>
39 #elif defined(PIPE_OS_HAIKU)
40 # include <kernel/OS.h>
41 # include <kernel/image.h>
42 #else
43 #warning unexpected platform in os_process.c
44 #endif
45
46
47 /**
48 * Return the name of the current process.
49 * \param procname returns the process name
50 * \param size size of the procname buffer
51 * \return TRUE or FALSE for success, failure
52 */
53 boolean
54 os_get_process_name(char *procname, size_t size)
55 {
56 const char *name;
57 #if defined(PIPE_SUBSYSTEM_WINDOWS_USER)
58 char szProcessPath[MAX_PATH];
59 char *lpProcessName;
60 char *lpProcessExt;
61
62 GetModuleFileNameA(NULL, szProcessPath, Elements(szProcessPath));
63
64 lpProcessName = strrchr(szProcessPath, '\\');
65 lpProcessName = lpProcessName ? lpProcessName + 1 : szProcessPath;
66
67 lpProcessExt = strrchr(lpProcessName, '.');
68 if (lpProcessExt) {
69 *lpProcessExt = '\0';
70 }
71
72 name = lpProcessName;
73
74 #elif defined(__GLIBC__) || defined(__CYGWIN__)
75 name = program_invocation_short_name;
76 #elif defined(PIPE_OS_BSD) || defined(PIPE_OS_APPLE)
77 /* *BSD and OS X */
78 name = getprogname();
79 #elif defined(PIPE_OS_HAIKU)
80 image_info info;
81 get_image_info(B_CURRENT_TEAM, &info);
82 name = info.name;
83 #else
84 #warning unexpected platform in os_process.c
85 return FALSE;
86 #endif
87
88 assert(size > 0);
89 assert(procname);
90
91 if (name && procname && size > 0) {
92 strncpy(procname, name, size);
93 procname[size - 1] = '\0';
94 return TRUE;
95 }
96 else {
97 return FALSE;
98 }
99 }