ltrace: Fix incompatibilities with Android linker
[termux-packages] / ndk_patches / syslog.patch
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59f0d218
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1diff -Nur /Users/fornwall/lib/android-ndk/platforms/android-18/arch-arm/usr/include/syslog.h ./usr/include/syslog.h
2--- /Users/fornwall/lib/android-ndk/platforms/android-18/arch-arm/usr/include/syslog.h 2012-08-21 07:23:12.000000000 +0200
3+++ ./usr/include/syslog.h 2014-01-29 17:51:55.000000000 +0100
4@@ -31,6 +31,8 @@
5 #include <stdio.h>
6 #include <sys/cdefs.h>
7 #include <stdarg.h>
8+#include <android/log.h> /* for __android_log_vprint() */
9+#include <unistd.h> /* for getpid() */
10
11 __BEGIN_DECLS
12
13@@ -111,6 +112,65 @@
14 extern void syslog_r(int, struct syslog_data *, const char *, ...);
15 extern void vsyslog_r(int, struct syslog_data *, const char *, va_list);
16
17+extern /*const*/ char* __progname;
18+static void android_polyfill_openlog(const char* a, int b, int c) {
19+ (void) a;
20+ (void) b;
21+ (void) c;
22+}
23+static void android_polyfill_closelog() {}
24+
25+static void android_polyfill_vsyslog(int syslog_priority, char const* format, va_list ap)
26+{
27+ android_LogPriority a = ANDROID_LOG_FATAL;
28+ switch (syslog_priority) {
29+ case LOG_INFO : a = ANDROID_LOG_SILENT ; break;
30+ case LOG_EMERG : a = ANDROID_LOG_FATAL ; break;
31+ case LOG_ERR : a = ANDROID_LOG_ERROR ; break;
32+ case LOG_WARNING : a = ANDROID_LOG_WARN ; break;
33+ case LOG_DEBUG : a = ANDROID_LOG_VERBOSE ; break;
34+ }
35+ char* syslog_text;
36+ if (vasprintf(&syslog_text, format, ap) == -1) {
37+ __android_log_vprint(a, "syslog", format, ap);
38+ return;
39+ }
40+ __android_log_print(a, "syslog", "%s - %s", __progname, syslog_text);
41+ free(syslog_text);
42+}
43+
44+static void android_polyfill_syslog(int priority, const char* format, ...)
45+{
46+ va_list myargs;
47+ va_start(myargs, format);
48+ android_polyfill_vsyslog(priority, format, myargs);
49+ va_end(myargs);
50+}
51+
52+static void android_polyfill_syslog_r(int syslog_priority, struct syslog_data* d, const char* format, ...)
53+{
54+ (void) d;
55+ va_list myargs;
56+ va_start(myargs, format);
57+ android_polyfill_vsyslog(syslog_priority, format, myargs);
58+ va_end(myargs);
59+}
60+
61+static void android_polyfill_vsyslog_r(int syslog_priority, struct syslog_data* d, const char* fmt, va_list ap)
62+{
63+ (void) d;
64+ android_polyfill_vsyslog(syslog_priority, fmt, ap);
65+}
66+
67+#define openlog android_polyfill_openlog
68+#define closelog android_polyfill_closelog
69+
70+#define syslog android_polyfill_syslog
71+#define syslog_r android_polyfill_syslog_r
72+
73+#define vsyslog android_polyfill_vsyslog
74+#define vsyslog_r android_polyfill_vsyslog_r
75+
76 __END_DECLS
77
78 #endif /* _SYSLOG_H */