If known, callers can pass the line size to this function in order to avoid an strlen call. Otherwise, they simply pass 0 and _alpm_strip_newline will do the call instead. Signed-off-by: Dave Reisner <dreisner@archlinux.org> --- lib/libalpm/be_local.c | 14 +++++++------- lib/libalpm/be_package.c | 2 +- lib/libalpm/be_sync.c | 8 ++++---- lib/libalpm/util.c | 8 +++++--- 4 files changed, 17 insertions(+), 15 deletions(-) diff --git a/lib/libalpm/be_local.c b/lib/libalpm/be_local.c index 30e59d0..ee805b9 100644 --- a/lib/libalpm/be_local.c +++ b/lib/libalpm/be_local.c @@ -496,7 +496,7 @@ char *_alpm_local_db_pkgpath(alpm_db_t *db, alpm_pkg_t *info, #define READ_NEXT() do { \ if(fgets(line, sizeof(line), fp) == NULL && !feof(fp)) goto error; \ - _alpm_strip_newline(line); \ + _alpm_strip_newline(line, 0); \ } while(0) #define READ_AND_STORE(f) do { \ @@ -509,7 +509,7 @@ char *_alpm_local_db_pkgpath(alpm_db_t *db, alpm_pkg_t *info, if(fgets(line, sizeof(line), fp) == NULL) {\ if(!feof(fp)) goto error; else break; \ } \ - if(_alpm_strip_newline(line) == 0) break; \ + if(_alpm_strip_newline(line, 0) == 0) break; \ STRDUP(linedup, line, goto error); \ f = alpm_list_add(f, linedup); \ } while(1) /* note the while(1) and not (0) */ @@ -518,7 +518,7 @@ char *_alpm_local_db_pkgpath(alpm_db_t *db, alpm_pkg_t *info, if(fgets(line, sizeof(line), fp) == NULL) {\ if(!feof(fp)) goto error; else break; \ } \ - if(_alpm_strip_newline(line) == 0) break; \ + if(_alpm_strip_newline(line, 0) == 0) break; \ f = alpm_list_add(f, _alpm_splitdep(line)); \ } while(1) /* note the while(1) and not (0) */ @@ -564,7 +564,7 @@ static int local_db_read(alpm_pkg_t *info, alpm_dbinfrq_t inforeq) if(fgets(line, sizeof(line), fp) == NULL && !feof(fp)) { goto error; } - if(_alpm_strip_newline(line) == 0) { + if(_alpm_strip_newline(line, 0) == 0) { /* length of stripped line was zero */ continue; } @@ -651,13 +651,13 @@ static int local_db_read(alpm_pkg_t *info, alpm_dbinfrq_t inforeq) } free(path); while(fgets(line, sizeof(line), fp)) { - _alpm_strip_newline(line); + _alpm_strip_newline(line, 0); if(strcmp(line, "%FILES%") == 0) { size_t files_count = 0, files_size = 0, len; alpm_file_t *files = NULL; while(fgets(line, sizeof(line), fp) && - (len = _alpm_strip_newline(line))) { + (len = _alpm_strip_newline(line, 0))) { if(files_count >= files_size) { size_t old_size = files_size; if(files_size == 0) { @@ -691,7 +691,7 @@ static int local_db_read(alpm_pkg_t *info, alpm_dbinfrq_t inforeq) info->files.count = files_count; info->files.files = files; } else if(strcmp(line, "%BACKUP%") == 0) { - while(fgets(line, sizeof(line), fp) && _alpm_strip_newline(line)) { + while(fgets(line, sizeof(line), fp) && _alpm_strip_newline(line, 0)) { alpm_backup_t *backup; CALLOC(backup, 1, sizeof(alpm_backup_t), goto error); if(_alpm_split_backup(line, &backup)) { diff --git a/lib/libalpm/be_package.c b/lib/libalpm/be_package.c index 0d296a8..dd027f5 100644 --- a/lib/libalpm/be_package.c +++ b/lib/libalpm/be_package.c @@ -168,7 +168,7 @@ static int parse_descfile(alpm_handle_t *handle, struct archive *a, alpm_pkg_t * /* loop until we reach EOF or other error */ while((ret = _alpm_archive_fgets(a, &buf)) == ARCHIVE_OK) { - size_t len = _alpm_strip_newline(buf.line); + size_t len = _alpm_strip_newline(buf.line, buf.real_line_size); linenum++; key = buf.line; diff --git a/lib/libalpm/be_sync.c b/lib/libalpm/be_sync.c index 02f087a..29ef190 100644 --- a/lib/libalpm/be_sync.c +++ b/lib/libalpm/be_sync.c @@ -482,7 +482,7 @@ cleanup: #define READ_NEXT() do { \ if(_alpm_archive_fgets(archive, &buf) != ARCHIVE_OK) goto error; \ line = buf.line; \ - _alpm_strip_newline(line); \ + _alpm_strip_newline(line, buf.real_line_size); \ } while(0) #define READ_AND_STORE(f) do { \ @@ -493,14 +493,14 @@ cleanup: #define READ_AND_STORE_ALL(f) do { \ char *linedup; \ if(_alpm_archive_fgets(archive, &buf) != ARCHIVE_OK) goto error; \ - if(_alpm_strip_newline(buf.line) == 0) break; \ + if(_alpm_strip_newline(buf.line, buf.real_line_size) == 0) break; \ STRDUP(linedup, buf.line, goto error); \ f = alpm_list_add(f, linedup); \ } while(1) /* note the while(1) and not (0) */ #define READ_AND_SPLITDEP(f) do { \ if(_alpm_archive_fgets(archive, &buf) != ARCHIVE_OK) goto error; \ - if(_alpm_strip_newline(buf.line) == 0) break; \ + if(_alpm_strip_newline(buf.line, buf.real_line_size) == 0) break; \ f = alpm_list_add(f, _alpm_splitdep(line)); \ } while(1) /* note the while(1) and not (0) */ @@ -539,7 +539,7 @@ static int sync_db_read(alpm_db_t *db, struct archive *archive, int ret; while((ret = _alpm_archive_fgets(archive, &buf)) == ARCHIVE_OK) { char *line = buf.line; - if(_alpm_strip_newline(line) == 0) { + if(_alpm_strip_newline(line, buf.real_line_size) == 0) { /* length of stripped line was zero */ continue; } diff --git a/lib/libalpm/util.c b/lib/libalpm/util.c index 8fd7a10..4877ff5 100644 --- a/lib/libalpm/util.c +++ b/lib/libalpm/util.c @@ -195,15 +195,17 @@ cleanup: /** Trim trailing newlines from a string (if any exist). * @param str a single line of text + * @param len size of str, if known, else 0 * @return the length of the trimmed string */ -size_t _alpm_strip_newline(char *str) +size_t _alpm_strip_newline(char *str, size_t len) { - size_t len; if(*str == '\0') { return 0; } - len = strlen(str); + if(len == 0) { + len = strlen(str); + } while(len > 0 && str[len - 1] == '\n') { len--; } -- 1.7.10.4