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authorTimo Teras <timo.teras@iki.fi>2011-06-29 00:19:58 (GMT)
committer Denys Vlasenko <vda.linux@googlemail.com>2011-06-29 00:19:58 (GMT)
commit0a5b310067abfde9bf74a42352fc421e1c27e2b9 (patch)
treeae491b7ba5150035850c7e535a16060ce63735d1
parentb9ba580917b59e4770ba99db7c61288f2476eb61 (diff)
downloadbusybox-0a5b310067abfde9bf74a42352fc421e1c27e2b9.tar.gz
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platform.c: provide getline implementation
Signed-off-by: Timo Teras <timo.teras@iki.fi> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
-rw-r--r--include/platform.h5
-rw-r--r--libbb/platform.c29
2 files changed, 34 insertions, 0 deletions
diff --git a/include/platform.h b/include/platform.h
index cbe85f4..eafc3fc 100644
--- a/include/platform.h
+++ b/include/platform.h
@@ -350,6 +350,7 @@ typedef unsigned smalluint;
#define HAVE_STRSIGNAL 1
#define HAVE_STRVERSCMP 1
#define HAVE_VASPRINTF 1
+#define HAVE_GETLINE 1
#define HAVE_XTABS 1
#define HAVE_MNTENT_H 1
#define HAVE_NET_ETHERNET_H 1
@@ -470,4 +471,8 @@ extern char *strsep(char **stringp, const char *delim) FAST_FUNC;
extern int vasprintf(char **string_ptr, const char *format, va_list p) FAST_FUNC;
#endif
+#ifndef HAVE_GETLINE
+extern ssize_t getline(char **lineptr, size_t *n, FILE *stream) FAST_FUNC;
+#endif
+
#endif
diff --git a/libbb/platform.c b/libbb/platform.c
index 04b8961..2bf34f5 100644
--- a/libbb/platform.c
+++ b/libbb/platform.c
@@ -145,3 +145,32 @@ char* FAST_FUNC stpcpy(char *p, const char *to_add)
return p;
}
#endif
+
+#ifndef HAVE_GETLINE
+ssize_t FAST_FUNC getline(char **lineptr, size_t *n, FILE *stream)
+{
+ int ch;
+ char *line = *lineptr;
+ size_t alloced = *n;
+ size_t len = 0;
+
+ do {
+ ch = fgetc(stream);
+ if (ch == EOF)
+ break;
+ if (len + 1 >= alloced) {
+ alloced += alloced/4 + 64;
+ line = xrealloc(line, alloced);
+ }
+ line[len++] = ch;
+ } while (ch != '\n');
+
+ if (len == 0)
+ return -1;
+
+ line[len] = '\0';
+ *lineptr = line;
+ *n = alloced;
+ return len;
+}
+#endif