diff options
| -rw-r--r-- | lib/libalpm/util.c | 29 | ||||
| -rw-r--r-- | lib/libalpm/util.h | 2 |
2 files changed, 31 insertions, 0 deletions
diff --git a/lib/libalpm/util.c b/lib/libalpm/util.c index 806f601c..7de5b069 100644 --- a/lib/libalpm/util.c +++ b/lib/libalpm/util.c @@ -673,4 +673,33 @@ int _alpm_test_md5sum(const char *filepath, const char *md5sum) return(ret); } +char *_alpm_archive_fgets(char *line, size_t size, struct archive *a) +{ + /* for now, just read one char at a time until we get to a + * '\n' char. we can optimize this later with an internal + * buffer. */ + /* leave room for zero terminator */ + char *last = line + size - 1; + char *i; + + for(i = line; i < last; i++) { + int ret = archive_read_data(a, i, 1); + /* special check for first read- if null, return null, + * this indicates EOF */ + if(i == line && (ret <= 0 || *i == '\0')) { + return(NULL); + } + /* check if read value was null or newline */ + if(ret <= 0 || *i == '\0' || *i == '\n') { + last = i + 1; + break; + } + } + + /* always null terminate the buffer */ + *last = '\0'; + + return(line); +} + /* vim: set ts=2 sw=2 noet: */ diff --git a/lib/libalpm/util.h b/lib/libalpm/util.h index 6849fa19..0bf122cd 100644 --- a/lib/libalpm/util.h +++ b/lib/libalpm/util.h @@ -30,6 +30,7 @@ #include <stdarg.h> #include <time.h> #include <sys/stat.h> /* struct stat */ +#include <archive.h> /* struct archive */ #ifdef ENABLE_NLS #include <libintl.h> /* here so it doesn't need to be included elsewhere */ @@ -66,6 +67,7 @@ char *_alpm_filecache_find(const char *filename); const char *_alpm_filecache_setup(void); int _alpm_lstat(const char *path, struct stat *buf); int _alpm_test_md5sum(const char *filepath, const char *md5sum); +char *_alpm_archive_fgets(char *line, size_t size, struct archive *a); #ifndef HAVE_STRVERSCMP int strverscmp(const char *, const char *); |