mirror of https://github.com/tildeclub/ex-vi.git
* Viewing executables and compressed files is no longer inhibited.
This commit is contained in:
Gunnar Ritter
parent
f2ae772abb
commit
b5ea77e25f
1
Changes
1
Changes
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@ -3,6 +3,7 @@ Release ...
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vi usually does not return to ex mode with "screen too large" when the
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terminal is resized on a large monitor anymore.
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* ex (not vi) can now edit files with lines of arbitrary length.
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* Viewing executables and compressed files is no longer inhibited.
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Release 3/25/05
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* vi no longer dies with a segmentation fault if a line does not fit on the
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93
ex_io.c
93
ex_io.c
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@ -73,7 +73,7 @@
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#ifndef lint
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#ifdef DOSCCS
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static char sccsid[] = "@(#)ex_io.c 1.41 (gritter) 8/4/05";
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static char sccsid[] = "@(#)ex_io.c 1.42 (gritter) 8/4/05";
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#endif
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#endif
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@ -407,9 +407,7 @@ samei(struct stat *sp, char *cp)
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void
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rop(int c)
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{
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register int i;
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struct stat stbuf;
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char magic[4];
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static int ovro; /* old value(READONLY) */
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static int denied; /* 1 if READONLY was set due to file permissions */
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@ -459,95 +457,6 @@ rop(int c)
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case S_IFIFO:
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error(catgets(catd, 1, 96, " Named pipe"));
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#endif
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case S_IFREG:
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/*
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* The magics are checked byte-wise now to avoid
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* endianness problems. Some quite old types
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* were omitted.
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*
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* Feel free too add more magics here, but do not
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* make this a copy of the `file' program.
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*
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* GR
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*/
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i = read(io, magic, sizeof(magic));
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lseek(io, (off_t) 0, SEEK_SET);
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if (i != sizeof(magic))
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break;
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switch (magic[0]&0377) {
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case 01: /* big endian a.out */
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if (magic[1] != 05 && magic[1] != 07
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&& magic[1] != 010 && magic[1] != 011
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&& magic[1] != 013 && magic[1] != 030
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&& magic[1] != 031)
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break;
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goto is_exec;
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case 0314: /* Linux/ia32 QMAGIC */
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if (magic[1] != 0 || magic[2] != 0144)
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break;
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goto is_exec;
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case 05: /* data overlay on exec */
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case 07: /* unshared */
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case 010: /* shared text */
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case 011: /* separate I/D */
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case 013: /* VM/Unix demand paged */
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case 030: /* PDP-11 Overlay shared */
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case 031: /* PDP-11 Overlay sep I/D */
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if (magic[1] == 01)
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is_exec:
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error(catgets(catd, 1, 97, " Executable"));
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break;
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case 037:
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switch (magic[1]&0377) {
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case 036: /* pack */
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case 037: /* compact */
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case 0235: /* compress */
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case 0213: /* gzip */
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/*
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* We omit bzip2 here since it has
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* an ASCII header.
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*/
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error(catgets(catd, 1, 98, " Compressed Data"));
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}
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break;
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case 0177:
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if (magic[1] == 'E' && magic[2] == 'L'
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&& magic[3] == 'F')
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error(catgets(catd, 1, 99, " ELF object"));
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break;
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default:
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break;
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}
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#ifdef notdef
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/*
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* We do not forbid the editing of portable archives
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* because it is reasonable to edit them, especially
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* if they are archives of text files. This is
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* especially useful if you archive source files together
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* and copy them to another system with ~%take, since
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* the files sometimes show up munged and must be fixed.
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*/
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case 0177545:
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case 0177555:
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error(catgets(catd, 1, 100, " Archive"));
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default:
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#ifdef mbb
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/* C/70 has a 10 bit byte */
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if (magic & 03401600)
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#else
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/* Everybody else has an 8 bit byte */
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if (magic & 0100200)
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#endif
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error(catgets(catd, 1, 101, " Non-ascii file"));
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break;
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}
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#endif /* notdef */
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}
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if (c != 'r') {
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if (value(READONLY) && denied) {
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@ -70,7 +70,7 @@
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* Sccsid @(#)ex_version.c 1.140 (gritter) 8/4/05
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* Sccsid @(#)ex_version.c 1.141 (gritter) 8/4/05
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*/
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#include "ex.h"
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@ -100,7 +100,7 @@ ex_cmdsub.c:static char sccsid[] = "@(#)ex_cmdsub.c 1.31 (gritter) 8/4/05";
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ex_data.c:static char sccsid[] = "@(#)ex_data.c 1.14 (gritter) 11/23/04";
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ex_extern.c:static char sccsid[] = "@(#)ex_extern.c 1.6 (gritter) 11/23/04";
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ex_get.c:static char sccsid[] = "@(#)ex_get.c 1.18 (gritter) 8/4/05";
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ex_io.c:static char sccsid[] = "@(#)ex_io.c 1.41 (gritter) 8/4/05";
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ex_io.c:static char sccsid[] = "@(#)ex_io.c 1.42 (gritter) 8/4/05";
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ex_proto.h: * Sccsid @(#)ex_proto.h 1.31 (gritter) 8/4/05
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ex_put.c:static char sccsid[] = "@(#)ex_put.c 1.32 (gritter) 2/17/05";
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ex_re.c:static char sccsid[] = "@(#)ex_re.c 1.59 (gritter) 8/4/05";
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