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| author | Timo Teras | 2011-06-29 02:19:58 +0200 |
|---|---|---|
| committer | Denys Vlasenko | 2011-06-29 02:19:58 +0200 |
| commit | 0a5b310067abfde9bf74a42352fc421e1c27e2b9 (patch) | |
| tree | ae491b7ba5150035850c7e535a16060ce63735d1 | |
| parent | b9ba580917b59e4770ba99db7c61288f2476eb61 (diff) | |
| download | busybox-0a5b310067abfde9bf74a42352fc421e1c27e2b9.zip busybox-0a5b310067abfde9bf74a42352fc421e1c27e2b9.tar.gz | |
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.h | 5 | ||||
| -rw-r--r-- | libbb/platform.c | 29 |
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 |