diff options
| -rw-r--r-- | networking/wget.c | 72 |
1 files changed, 36 insertions, 36 deletions
diff --git a/networking/wget.c b/networking/wget.c index 8af7a33..39d63f1 100644 --- a/networking/wget.c +++ b/networking/wget.c @@ -25,7 +25,7 @@ struct host_info { static void parse_url(char *url, struct host_info *h); static FILE *open_socket(len_and_sockaddr *lsa); -static char *gethdr(char *buf, size_t bufsiz, FILE *fp, int *istrunc); +static char *gethdr(char *buf, size_t bufsiz, FILE *fp /*,int *istrunc*/ ); static int ftpcmd(const char *s1, const char *s2, FILE *fp, char *buf); /* Globals (can be accessed from signal handlers */ @@ -94,7 +94,7 @@ int wget_main(int argc, char **argv) char buf[512]; struct host_info server, target; len_and_sockaddr *lsa; - int n, status; + int status; int port; int try = 5; unsigned opt; @@ -301,7 +301,7 @@ int wget_main(int argc, char **argv) switch (status) { case 0: case 100: - while (gethdr(buf, sizeof(buf), sfp, &n) != NULL) + while (gethdr(buf, sizeof(buf), sfp /*, &n*/) != NULL) /* eat all remaining headers */; goto read_response; case 200: @@ -324,7 +324,7 @@ int wget_main(int argc, char **argv) /* * Retrieve HTTP headers. */ - while ((str = gethdr(buf, sizeof(buf), sfp, &n)) != NULL) { + while ((str = gethdr(buf, sizeof(buf), sfp /*, &n*/)) != NULL) { /* gethdr did already convert the "FOO:" string to lowercase */ smalluint key = index_in_strings(keywords, *&buf) + 1; if (key == KEY_content_length) { @@ -457,39 +457,40 @@ int wget_main(int argc, char **argv) if (!(opt & WGET_OPT_QUIET)) progressmeter(-1); - do { + /* Loops only if chunked */ + while (1) { while (content_len > 0 || !got_clen) { + int n; unsigned rdsz = sizeof(buf); + if (content_len < sizeof(buf) && (chunked || got_clen)) rdsz = (unsigned)content_len; n = safe_fread(buf, rdsz, dfp); - if (n <= 0) + if (n <= 0) { + if (ferror(dfp)) { + /* perror will not work: ferror doesn't set errno */ + bb_error_msg_and_die(bb_msg_read_error); + } break; - if (full_write(output_fd, buf, n) != n) { - bb_perror_msg_and_die(bb_msg_write_error); } + xwrite(output_fd, buf, n); #if ENABLE_FEATURE_WGET_STATUSBAR transferred += n; #endif - if (got_clen) { + if (got_clen) content_len -= n; - } } - if (chunked) { - safe_fgets(buf, sizeof(buf), dfp); /* This is a newline */ - safe_fgets(buf, sizeof(buf), dfp); - content_len = STRTOOFF(buf, NULL, 16); - /* FIXME: error check? */ - if (content_len == 0) { - chunked = 0; /* all done! */ - } - } + if (!chunked) + break; - if (n == 0 && ferror(dfp)) { - bb_perror_msg_and_die(bb_msg_read_error); - } - } while (chunked); + safe_fgets(buf, sizeof(buf), dfp); /* This is a newline */ + safe_fgets(buf, sizeof(buf), dfp); + content_len = STRTOOFF(buf, NULL, 16); + /* FIXME: error check? */ + if (content_len == 0) + break; /* all done! */ + } if (!(opt & WGET_OPT_QUIET)) progressmeter(1); @@ -580,12 +581,12 @@ static FILE *open_socket(len_and_sockaddr *lsa) } -static char *gethdr(char *buf, size_t bufsiz, FILE *fp, int *istrunc) +static char *gethdr(char *buf, size_t bufsiz, FILE *fp /*, int *istrunc*/) { char *s, *hdrval; int c; - *istrunc = 0; + /* *istrunc = 0; */ /* retrieve header line */ if (fgets(buf, bufsiz, fp) == NULL) @@ -593,12 +594,12 @@ static char *gethdr(char *buf, size_t bufsiz, FILE *fp, int *istrunc) /* see if we are at the end of the headers */ for (s = buf; *s == '\r'; ++s) - ; - if (s[0] == '\n') + continue; + if (*s == '\n') return NULL; /* convert the header name to lower case */ - for (s = buf; isalnum(*s) || *s == '-'; ++s) + for (s = buf; isalnum(*s) || *s == '-' || *s == '.'; ++s) *s = tolower(*s); /* verify we are at the end of the header name */ @@ -606,24 +607,23 @@ static char *gethdr(char *buf, size_t bufsiz, FILE *fp, int *istrunc) bb_error_msg_and_die("bad header line: %s", buf); /* locate the start of the header value */ - for (*s++ = '\0'; *s == ' ' || *s == '\t'; ++s) - ; - hdrval = s; + *s++ = '\0'; + hdrval = skip_whitespace(s); /* locate the end of header */ - while (*s != '\0' && *s != '\r' && *s != '\n') + while (*s && *s != '\r' && *s != '\n') ++s; /* end of header found */ - if (*s != '\0') { + if (*s) { *s = '\0'; return hdrval; } - /* Rats! The buffer isn't big enough to hold the entire header value. */ + /* Rats! The buffer isn't big enough to hold the entire header value. */ while (c = getc(fp), c != EOF && c != '\n') - ; - *istrunc = 1; + continue; + /* *istrunc = 1; */ return hdrval; } |