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56 lines
1.6 KiB
56 lines
1.6 KiB
10 years ago
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diff -u -r /home/fornwall/lib/android-ndk/platforms/android-19/arch-arm/usr/include/unistd.h ./usr/include/unistd.h
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--- /home/fornwall/lib/android-ndk/platforms/android-19/arch-arm/usr/include/unistd.h 2012-08-21 07:23:12.000000000 +0200
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+++ ./usr/include/unistd.h 2014-07-09 09:55:58.443639544 +0200
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@@ -35,6 +35,7 @@
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#include <sys/sysconf.h>
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#include <linux/capability.h>
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#include <pathconf.h>
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+#include <asm/unistd.h>
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__BEGIN_DECLS
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@@ -166,6 +174,43 @@
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extern char* ttyname(int);
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extern int ttyname_r(int, char*, size_t);
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+/* start android polyfill of ttyname(3) and ttyname_r(3) */
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+#define ttyname(a) android_polyfill_ttyname(a)
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+#define ttyname_r(a, b, c) android_polyfill_ttyname_r(a, b, c)
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+
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+static int android_polyfill_ttyname_r(int fd, char* buf, size_t buflen)
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+{
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+ char symlink_path[32] = "/proc/self/fd/";
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+ ssize_t siz;
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+
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+ if (!isatty(fd)) return -1;
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+
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+ /* Would like to do sprintf(symlink_path, "/proc/self/fd/%d", fd), but stdio.h may not be included. */
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+ int shifter = fd;
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+ char* p = symlink_path + 14;
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+ do {
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+ p++;
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+ shifter = shifter / 10;
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+ } while(shifter);
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+ *p = '\0';
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+ do {
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+ *--p = (fd % 10) + '0';
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+ fd = fd / 10;
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+ } while (fd);
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+
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+ siz = readlink(symlink_path, buf, buflen);
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+ if (siz < 0 || siz == buflen) return -1;
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+ buf[siz] = '\0';
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+ return 0;
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+}
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+
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+static char* android_polyfill_ttyname(int fd)
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+{
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+ static char buf[32];
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+ return (ttyname_r(fd, buf, sizeof(buf)) == 0) ? buf : NULL;
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+}
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+/* end android polyfill of ttyname(3) and ttyname_r(3) */
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+
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extern int acct(const char* filepath);
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static __inline__ int getpagesize(void) {
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