opkg: avoid using getline() to fix a compile issue on darwin (patch by Javier Palacios, #9223)
SVN-Revision: 26684
This commit is contained in:
Felix Fietkau
parent
4ca0906341
commit
19e4c371c5
1 changed files with 317 additions and 0 deletions
317
package/opkg/patches/020-avoid_getline.patch
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317
package/opkg/patches/020-avoid_getline.patch
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@ -0,0 +1,317 @@
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--- a/libopkg/parse_util.c
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+++ b/libopkg/parse_util.c
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@@ -22,6 +22,7 @@
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#include "libbb/libbb.h"
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#include "parse_util.h"
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+#include "pkg_parse.h"
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int
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is_field(const char *type, const char *line)
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@@ -86,3 +87,84 @@ parse_list(const char *raw, unsigned int
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*count = line_count;
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return depends;
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}
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+
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+int
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+parse_from_stream_nomalloc(parse_line_t parse_line, void *item, FILE *fp, uint mask,
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+ char **buf0, size_t buf0len)
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+{
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+ int ret, lineno;
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+ char *buf, *nl;
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+ size_t buflen;
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+
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+ lineno = 1;
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+ ret = 0;
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+
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+ buflen = buf0len;
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+ buf = *buf0;
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+ buf[0] = '\0';
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+
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+ while (1) {
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+ if (fgets(buf, (int)buflen, fp) == NULL) {
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+ if (ferror(fp)) {
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+ opkg_perror(ERROR, "fgets");
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+ ret = -1;
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+ } else if (strlen(*buf0) == buf0len-1) {
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+ opkg_msg(ERROR, "Missing new line character"
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+ " at end of file!\n");
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+ parse_line(item, *buf0, mask);
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+ }
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+ break;
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+ }
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+
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+ nl = strchr(buf, '\n');
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+ if (nl == NULL) {
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+ if (strlen(buf) < buflen-1) {
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+ /*
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+ * Line could be exactly buflen-1 long and
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+ * missing a newline, but we won't know until
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+ * fgets fails to read more data.
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+ */
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+ opkg_msg(ERROR, "Missing new line character"
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+ " at end of file!\n");
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+ parse_line(item, *buf0, mask);
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+ break;
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+ }
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+ if (buf0len >= EXCESSIVE_LINE_LEN) {
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+ opkg_msg(ERROR, "Excessively long line at "
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+ "%d. Corrupt file?\n",
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+ lineno);
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+ ret = -1;
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+ break;
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+ }
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+
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+ /*
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+ * Realloc and point buf past the data already read,
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+ * at the NULL terminator inserted by fgets.
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+ * |<--------------- buf0len ----------------->|
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+ * | |<------- buflen ---->|
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+ * |---------------------|---------------------|
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+ * buf0 buf
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+ */
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+ buflen = buf0len +1;
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+ buf0len *= 2;
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+ *buf0 = xrealloc(*buf0, buf0len);
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+ buf = *buf0 + buflen -2;
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+
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+ continue;
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+ }
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+
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+ *nl = '\0';
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+
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+ lineno++;
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+
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+ if (parse_line(item, *buf0, mask))
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+ break;
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+
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+ buf = *buf0;
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+ buflen = buf0len;
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+ buf[0] = '\0';
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+ }
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+
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+ return ret;
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+}
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+
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--- a/libopkg/parse_util.h
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+++ b/libopkg/parse_util.h
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@@ -22,4 +22,8 @@ int is_field(const char *type, const cha
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char *parse_simple(const char *type, const char *line);
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char **parse_list(const char *raw, unsigned int *count, const char sep, int skip_field);
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+typedef int (*parse_line_t)(void *, const char *, uint);
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+int parse_from_stream_nomalloc(parse_line_t parse_line, void *item, FILE *fp, uint mask,
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+ char **buf0, size_t buf0len);
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+
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#endif
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--- a/libopkg/pkg_hash.c
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+++ b/libopkg/pkg_hash.c
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@@ -23,6 +23,7 @@
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#include "opkg_message.h"
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#include "pkg_vec.h"
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#include "pkg_hash.h"
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+#include "parse_util.h"
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#include "pkg_parse.h"
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#include "opkg_utils.h"
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#include "sprintf_alloc.h"
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@@ -119,8 +120,14 @@ pkg_hash_add_from_file(const char *file_
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pkg->src = src;
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pkg->dest = dest;
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- ret = pkg_parse_from_stream_nomalloc(pkg, fp, 0,
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+ ret = parse_from_stream_nomalloc(pkg_parse_line, pkg, fp, 0,
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&buf, len);
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+
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+ if (pkg->name == NULL) {
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+ /* probably just a blank line */
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+ ret = 1;
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+ }
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+
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if (ret) {
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pkg_deinit (pkg);
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free(pkg);
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--- a/libopkg/pkg_parse.c
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+++ b/libopkg/pkg_parse.c
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@@ -104,9 +104,11 @@ get_arch_priority(const char *arch)
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return 0;
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}
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-static int
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-pkg_parse_line(pkg_t *pkg, const char *line, uint mask)
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+int
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+pkg_parse_line(void *ptr, const char *line, uint mask)
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{
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+ pkg_t *pkg = (pkg_t *) ptr;
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+
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/* these flags are a bit hackish... */
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static int reading_conffiles = 0, reading_description = 0;
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int ret = 0;
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@@ -266,91 +268,6 @@ dont_reset_flags:
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}
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int
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-pkg_parse_from_stream_nomalloc(pkg_t *pkg, FILE *fp, uint mask,
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- char **buf0, size_t buf0len)
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-{
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- int ret, lineno;
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- char *buf, *nl;
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- size_t buflen;
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-
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- lineno = 1;
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- ret = 0;
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-
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- buflen = buf0len;
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- buf = *buf0;
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- buf[0] = '\0';
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-
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- while (1) {
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- if (fgets(buf, (int)buflen, fp) == NULL) {
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- if (ferror(fp)) {
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- opkg_perror(ERROR, "fgets");
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- ret = -1;
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- } else if (strlen(*buf0) == buf0len-1) {
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- opkg_msg(ERROR, "Missing new line character"
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- " at end of file!\n");
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- pkg_parse_line(pkg, *buf0, mask);
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- }
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- break;
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- }
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-
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- nl = strchr(buf, '\n');
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- if (nl == NULL) {
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- if (strlen(buf) < buflen-1) {
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- /*
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- * Line could be exactly buflen-1 long and
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- * missing a newline, but we won't know until
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- * fgets fails to read more data.
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- */
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- opkg_msg(ERROR, "Missing new line character"
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- " at end of file!\n");
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- pkg_parse_line(pkg, *buf0, mask);
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- break;
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- }
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- if (buf0len >= EXCESSIVE_LINE_LEN) {
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- opkg_msg(ERROR, "Excessively long line at "
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- "%d. Corrupt file?\n",
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- lineno);
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- ret = -1;
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- break;
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- }
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-
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- /*
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- * Realloc and point buf past the data already read,
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- * at the NULL terminator inserted by fgets.
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- * |<--------------- buf0len ----------------->|
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- * | |<------- buflen ---->|
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- * |---------------------|---------------------|
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- * buf0 buf
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- */
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- buflen = buf0len +1;
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- buf0len *= 2;
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- *buf0 = xrealloc(*buf0, buf0len);
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- buf = *buf0 + buflen -2;
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-
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- continue;
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- }
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-
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- *nl = '\0';
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-
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- lineno++;
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-
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- if (pkg_parse_line(pkg, *buf0, mask))
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- break;
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-
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- buf = *buf0;
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- buflen = buf0len;
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- buf[0] = '\0';
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- }
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-
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- if (pkg->name == NULL) {
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- /* probably just a blank line */
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- ret = 1;
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- }
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-
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- return ret;
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-}
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-
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-int
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pkg_parse_from_stream(pkg_t *pkg, FILE *fp, uint mask)
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{
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int ret;
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@@ -358,8 +275,13 @@ pkg_parse_from_stream(pkg_t *pkg, FILE *
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const size_t len = 4096;
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buf = xmalloc(len);
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- ret = pkg_parse_from_stream_nomalloc(pkg, fp, mask, &buf, len);
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+ ret = parse_from_stream_nomalloc(pkg_parse_line, pkg, fp, mask, &buf, len);
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free(buf);
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+ if (pkg->name == NULL) {
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+ /* probably just a blank line */
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+ ret = 1;
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+ }
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+
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return ret;
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}
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--- a/libopkg/pkg_parse.h
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+++ b/libopkg/pkg_parse.h
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@@ -18,10 +18,11 @@
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#ifndef PKG_PARSE_H
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#define PKG_PARSE_H
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+#include "pkg.h"
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+
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int parse_version(pkg_t *pkg, const char *raw);
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int pkg_parse_from_stream(pkg_t *pkg, FILE *fp, uint mask);
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-int pkg_parse_from_stream_nomalloc(pkg_t *pkg, FILE *fp, uint mask,
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- char **buf0, size_t buf0len);
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+int pkg_parse_line(void *ptr, const char *line, uint mask);
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#define EXCESSIVE_LINE_LEN (4096 << 8)
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--- a/libopkg/release_parse.c
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+++ b/libopkg/release_parse.c
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@@ -23,8 +23,10 @@
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#include "parse_util.h"
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static int
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-release_parse_line(release_t *release, const char *line)
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+release_parse_line(void *ptr, const char *line, uint mask)
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{
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+ release_t *release = (release_t *) ptr;
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+
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int ret = 0;
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unsigned int count = 0;
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char **list = 0;
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@@ -111,25 +113,14 @@ dont_reset_flags:
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int
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release_parse_from_stream(release_t *release, FILE *fp)
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{
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- int ret = 0;
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- char *buf = NULL;
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- size_t buflen, nread;
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-
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- nread = getline(&buf, &buflen, fp);
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- while ( nread != -1 ) {
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- if (buf[nread-1] == '\n') buf[nread-1] = '\0';
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- if (release_parse_line(release, buf))
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- opkg_msg(DEBUG, "Failed to parse release line for %s:\n\t%s\n",
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- release->name, buf);
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- nread = getline(&buf, &buflen, fp);
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- }
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-
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- if (!feof(fp)) {
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- opkg_perror(ERROR, "Problems reading Release file for %sd\n", release->name);
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- ret = -1;
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- }
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+ int ret;
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+ char *buf;
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+ const size_t len = 4096;
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+ buf = xmalloc(len);
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+ ret = parse_from_stream_nomalloc(release_parse_line, release, fp, 0, &buf, len);
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free(buf);
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+
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return ret;
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}
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