0a5b31006
Timo Teras
2011-06-29
Subject
platform.c: provide getline implementation
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include/platform.h+5 -0
| @@ -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 | |
libbb/platform.c+29 -0
| @@ -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 |