*
* Issues
* - Non-interactive
- * - Patches must apply cleanly or the hunk will fail.
+ * - Patches must apply cleanly or patch (not just one hunk) will fail.
* - Reject file isnt saved
- * -
*/
#include <getopt.h>
while (src_stream && (i < lines_count)) {
char *line;
- line = bb_get_line_from_file(src_stream);
+ line = xmalloc_fgets(src_stream);
if (line == NULL) {
break;
}
if (fputs(line, dest_stream) == EOF) {
- bb_perror_msg_and_die("Error writing to new file");
+ bb_perror_msg_and_die("error writing to new file");
}
free(line);
i++;
}
- return(i);
+ return i;
}
/* If patch_level is -1 it will remove all directory names
filename_start_ptr = temp + 1;
}
- return(bb_xstrdup(filename_start_ptr));
+ return xstrdup(filename_start_ptr);
}
static int file_doesnt_exist(const char *filename)
{
struct stat statbuf;
- return(stat(filename, &statbuf));
+ return stat(filename, &statbuf);
}
int patch_main(int argc, char **argv)
{
char *p, *i;
- ret = bb_getopt_ulflags(argc, argv, "p:i:", &p, &i);
+ ret = getopt32(argc, argv, "p:i:", &p, &i);
if (ret & 1)
- patch_level = bb_xgetlarg(p, 10, -1, USHRT_MAX);
+ patch_level = xatol_range(p, -1, USHRT_MAX);
if (ret & 2) {
- patch_file = bb_xfopen(i, "r");
+ patch_file = xfopen(i, "r");
} else {
patch_file = stdin;
}
ret = 0;
}
- patch_line = bb_get_line_from_file(patch_file);
+ patch_line = xmalloc_fgets(patch_file);
while (patch_line) {
FILE *src_stream;
FILE *dst_stream;
*/
while (patch_line && strncmp(patch_line, "--- ", 4) != 0) {
free(patch_line);
- patch_line = bb_get_line_from_file(patch_file);
+ patch_line = xmalloc_fgets(patch_file);
}
+ /* FIXME: patch_line NULL check?? */
/* Extract the filename used before the patch was generated */
original_filename = extract_filename(patch_line, patch_level);
free(patch_line);
- patch_line = bb_get_line_from_file(patch_file);
+ patch_line = xmalloc_fgets(patch_file);
+ /* FIXME: NULL check?? */
if (strncmp(patch_line, "+++ ", 4) != 0) {
ret = 2;
- bb_error_msg("Invalid patch");
+ bb_error_msg("invalid patch");
continue;
}
new_filename = extract_filename(patch_line, patch_level);
bb_make_directory(new_filename, -1, FILEUTILS_RECUR);
*line_ptr = '/';
}
- dst_stream = bb_xfopen(new_filename, "w+");
+ dst_stream = xfopen(new_filename, "w+");
backup_filename = NULL;
} else {
backup_filename = xmalloc(strlen(new_filename) + 6);
strcpy(backup_filename, new_filename);
strcat(backup_filename, ".orig");
if (rename(new_filename, backup_filename) == -1) {
- bb_perror_msg_and_die("Couldnt create file %s",
+ bb_perror_msg_and_die("cannot create file %s",
backup_filename);
}
- dst_stream = bb_xfopen(new_filename, "w");
+ dst_stream = xfopen(new_filename, "w");
}
if ((backup_filename == NULL) || file_doesnt_exist(original_filename)) {
src_stream = NULL;
} else {
if (strcmp(original_filename, new_filename) == 0) {
- src_stream = bb_xfopen(backup_filename, "r");
+ src_stream = xfopen(backup_filename, "r");
} else {
- src_stream = bb_xfopen(original_filename, "r");
+ src_stream = xfopen(original_filename, "r");
}
}
printf("patching file %s\n", new_filename);
/* Handle each hunk */
- patch_line = bb_get_line_from_file(patch_file);
+ patch_line = xmalloc_fgets(patch_file);
while (patch_line) {
unsigned int count;
unsigned int src_beg_line;
/* src_beg_line will be 0 if its a new file */
count = src_beg_line - src_cur_line;
if (copy_lines(src_stream, dst_stream, count) != count) {
- bb_error_msg_and_die("Bad src file");
+ bb_error_msg_and_die("bad src file");
}
src_cur_line += count;
dest_cur_line += count;
}
hunk_offset_start = src_cur_line;
- while ((patch_line = bb_get_line_from_file(patch_file)) != NULL) {
+ while ((patch_line = xmalloc_fgets(patch_file)) != NULL) {
if ((*patch_line == '-') || (*patch_line == ' ')) {
char *src_line = NULL;
if (src_stream) {
- src_line = bb_get_line_from_file(src_stream);
+ src_line = xmalloc_fgets(src_stream);
if (!src_line) {
hunk_error++;
break;
src_cur_line++;
}
if (strcmp(src_line, patch_line + 1) != 0) {
- bb_error_msg("Hunk #%d FAILED at %d.", hunk_count, hunk_offset_start);
+ bb_error_msg("hunk #%d FAILED at %d", hunk_count, hunk_offset_start);
hunk_error++;
free(patch_line);
+ /* Probably need to find next hunk, etc... */
+ /* but for now we just bail out */
+ patch_line = NULL;
break;
}
free(src_line);
if ((dest_cur_line == 0) || (dest_beg_line == 0)) {
/* The new patched file is empty, remove it */
if (unlink(new_filename) == -1) {
- bb_perror_msg_and_die("Couldnt remove file %s", new_filename);
+ bb_perror_msg_and_die("cannot remove file %s", new_filename);
}
if (unlink(original_filename) == -1) {
- bb_perror_msg_and_die("Couldnt remove original file %s", new_filename);
+ bb_perror_msg_and_die("cannot remove original file %s", new_filename);
}
}
}
* 1 = Some hunks failed
* 2 = More serious problems
*/
- return(ret);
+ return ret;
}