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| author | Rob Landley | 2005-09-01 03:02:23 +0000 |
|---|---|---|
| committer | Rob Landley | 2005-09-01 03:02:23 +0000 |
| commit | 078bacf1e92fb8e9c44e020aca6d1c2a9362a24b (patch) | |
| tree | 34dc66406b0e1e53c9be4c73d3fd919382455c85 /editors/patch.c | |
| parent | e0537f6194cf37651c6e7ac3033226f09dab7557 (diff) | |
| download | busybox-078bacf1e92fb8e9c44e020aca6d1c2a9362a24b.zip busybox-078bacf1e92fb8e9c44e020aca6d1c2a9362a24b.tar.gz | |
Patch -i support from Berhnard Fischer.
Diffstat (limited to 'editors/patch.c')
| -rw-r--r-- | editors/patch.c | 28 |
1 files changed, 19 insertions, 9 deletions
diff --git a/editors/patch.c b/editors/patch.c index 6a68d2e..59b7021 100644 --- a/editors/patch.c +++ b/editors/patch.c @@ -107,14 +107,24 @@ extern int patch_main(int argc, char **argv) { unsigned int patch_level = -1; char *patch_line; - int ret = 0; + int ret; + FILE *patch_file = NULL; - /* Handle 'p' option */ - if (argv[1] && (argv[1][0] == '-') && (argv[1][1] == 'p')) { - patch_level = atoi(&argv[1][2]); + { + char *p, *i; + ret = bb_getopt_ulflags(argc, argv, "p:i:", &p, &i); + if (ret & 1) + patch_level = bb_xgetularg10_bnd(p, -1, USHRT_MAX); + if (ret & 2) { + patch_file = bb_xfopen(i, "r"); + } + ret = 0; } - patch_line = bb_get_line_from_file(stdin); + if (!patch_file) + patch_file = stdin; + + patch_line = bb_get_line_from_file(patch_file); while (patch_line) { FILE *src_stream; FILE *dst_stream; @@ -133,14 +143,14 @@ extern int patch_main(int argc, char **argv) */ while (patch_line && strncmp(patch_line, "--- ", 4) != 0) { free(patch_line); - patch_line = bb_get_line_from_file(stdin); + patch_line = bb_get_line_from_file(patch_file); } /* 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(stdin); + patch_line = bb_get_line_from_file(patch_file); if (strncmp(patch_line, "+++ ", 4) != 0) { ret = 2; bb_error_msg("Invalid patch"); @@ -183,7 +193,7 @@ extern int patch_main(int argc, char **argv) printf("patching file %s\n", new_filename); /* Handle each hunk */ - patch_line = bb_get_line_from_file(stdin); + patch_line = bb_get_line_from_file(patch_file); while (patch_line) { unsigned int count; unsigned int src_beg_line; @@ -214,7 +224,7 @@ extern int patch_main(int argc, char **argv) } hunk_offset_start = src_cur_line; - while ((patch_line = bb_get_line_from_file(stdin)) != NULL) { + while ((patch_line = bb_get_line_from_file(patch_file)) != NULL) { if ((*patch_line == '-') || (*patch_line == ' ')) { char *src_line = NULL; if (src_stream) { |