diff --git a/7.3.083 b/7.3.083 new file mode 100644 index 0000000..f337d21 --- /dev/null +++ b/7.3.083 @@ -0,0 +1,362 @@ +To: vim_dev@googlegroups.com +Subject: Patch 7.3.083 +Fcc: outbox +From: Bram Moolenaar +Mime-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit +------------ + +Patch 7.3.083 +Problem: When a read() or write() is interrupted by a signal it fails. +Solution: Add read_eintr() and write_eintr(). +Files: src/fileio.c, src/proto/fileio.pro, src/memfile.c, src/memline.c, + src/os_unix.c, src/undo.c, src/vim.h + + +*** ../vim-7.3.082/src/fileio.c 2010-08-15 21:57:26.000000000 +0200 +--- src/fileio.c 2010-12-17 16:04:30.000000000 +0100 +*************** +*** 918,924 **** + { + /* Read the first line (and a bit more). Immediately rewind to + * the start of the file. If the read() fails "len" is -1. */ +! len = vim_read(fd, firstline, 80); + lseek(fd, (off_t)0L, SEEK_SET); + for (p = firstline; p < firstline + len; ++p) + if (*p >= 0x80) +--- 918,924 ---- + { + /* Read the first line (and a bit more). Immediately rewind to + * the start of the file. If the read() fails "len" is -1. */ +! len = read_eintr(fd, firstline, 80); + lseek(fd, (off_t)0L, SEEK_SET); + for (p = firstline; p < firstline + len; ++p) + if (*p >= 0x80) +*************** +*** 1373,1379 **** + /* + * Read bytes from the file. + */ +! size = vim_read(fd, ptr, size); + } + + if (size <= 0) +--- 1373,1379 ---- + /* + * Read bytes from the file. + */ +! size = read_eintr(fd, ptr, size); + } + + if (size <= 0) +*************** +*** 4000,4006 **** + #ifdef HAS_BW_FLAGS + write_info.bw_flags = FIO_NOCONVERT; + #endif +! while ((write_info.bw_len = vim_read(fd, copybuf, + BUFSIZE)) > 0) + { + if (buf_write_bytes(&write_info) == FAIL) +--- 4000,4006 ---- + #ifdef HAS_BW_FLAGS + write_info.bw_flags = FIO_NOCONVERT; + #endif +! while ((write_info.bw_len = read_eintr(fd, copybuf, + BUFSIZE)) > 0) + { + if (buf_write_bytes(&write_info) == FAIL) +*************** +*** 4813,4819 **** + #ifdef HAS_BW_FLAGS + write_info.bw_flags = FIO_NOCONVERT; + #endif +! while ((write_info.bw_len = vim_read(fd, smallbuf, + SMBUFSIZE)) > 0) + if (buf_write_bytes(&write_info) == FAIL) + break; +--- 4813,4819 ---- + #ifdef HAS_BW_FLAGS + write_info.bw_flags = FIO_NOCONVERT; + #endif +! while ((write_info.bw_len = read_eintr(fd, smallbuf, + SMBUFSIZE)) > 0) + if (buf_write_bytes(&write_info) == FAIL) + break; +*************** +*** 5330,5336 **** + + /* + * Call write() to write a number of bytes to the file. +! * Also handles encryption and 'encoding' conversion. + * + * Return FAIL for failure, OK otherwise. + */ +--- 5330,5336 ---- + + /* + * Call write() to write a number of bytes to the file. +! * Handles encryption and 'encoding' conversion. + * + * Return FAIL for failure, OK otherwise. + */ +*************** +*** 5702,5717 **** + crypt_encode(buf, len, buf); + #endif + +! /* Repeat the write(), it may be interrupted by a signal. */ +! while (len > 0) +! { +! wlen = vim_write(ip->bw_fd, buf, len); +! if (wlen <= 0) /* error! */ +! return FAIL; +! len -= wlen; +! buf += wlen; +! } +! return OK; + } + + #ifdef FEAT_MBYTE +--- 5702,5709 ---- + crypt_encode(buf, len, buf); + #endif + +! wlen = write_eintr(ip->bw_fd, buf, len); +! return (wlen < len) ? FAIL : OK; + } + + #ifdef FEAT_MBYTE +*************** +*** 6662,6669 **** + return -1; + } + +! while ((n = vim_read(fd_in, buffer, BUFSIZE)) > 0) +! if (vim_write(fd_out, buffer, n) != n) + { + errmsg = _("E208: Error writing to \"%s\""); + break; +--- 6654,6661 ---- + return -1; + } + +! while ((n = read_eintr(fd_in, buffer, BUFSIZE)) > 0) +! if (write_eintr(fd_out, buffer, n) != n) + { + errmsg = _("E208: Error writing to \"%s\""); + break; +*************** +*** 10304,10306 **** +--- 10296,10350 ---- + } + return reg_pat; + } ++ ++ #if defined(EINTR) || defined(PROTO) ++ /* ++ * Version of read() that retries when interrupted by EINTR (possibly ++ * by a SIGWINCH). ++ */ ++ long ++ read_eintr(fd, buf, bufsize) ++ int fd; ++ void *buf; ++ size_t bufsize; ++ { ++ long ret; ++ ++ for (;;) ++ { ++ ret = vim_read(fd, buf, bufsize); ++ if (ret >= 0 || errno != EINTR) ++ break; ++ } ++ return ret; ++ } ++ ++ /* ++ * Version of write() that retries when interrupted by EINTR (possibly ++ * by a SIGWINCH). ++ */ ++ long ++ write_eintr(fd, buf, bufsize) ++ int fd; ++ void *buf; ++ size_t bufsize; ++ { ++ long ret = 0; ++ long wlen; ++ ++ /* Repeat the write() so long it didn't fail, other than being interrupted ++ * by a signal. */ ++ while (ret < (long)bufsize) ++ { ++ wlen = vim_write(fd, buf + ret, bufsize - ret); ++ if (wlen < 0) ++ { ++ if (errno != EINTR) ++ break; ++ } ++ else ++ ret += wlen; ++ } ++ return ret; ++ } ++ #endif +*** ../vim-7.3.082/src/proto/fileio.pro 2010-08-15 21:57:28.000000000 +0200 +--- src/proto/fileio.pro 2010-12-17 15:01:26.000000000 +0100 +*************** +*** 54,57 **** +--- 54,59 ---- + int match_file_pat __ARGS((char_u *pattern, regprog_T *prog, char_u *fname, char_u *sfname, char_u *tail, int allow_dirs)); + int match_file_list __ARGS((char_u *list, char_u *sfname, char_u *ffname)); + char_u *file_pat_to_reg_pat __ARGS((char_u *pat, char_u *pat_end, char *allow_dirs, int no_bslash)); ++ long read_eintr __ARGS((int fd, void *buf, size_t bufsize)); ++ long write_eintr __ARGS((int fd, void *buf, size_t bufsize)); + /* vim: set ft=c : */ +*** ../vim-7.3.082/src/memfile.c 2010-08-15 21:57:25.000000000 +0200 +--- src/memfile.c 2010-12-17 16:02:54.000000000 +0100 +*************** +*** 1049,1055 **** + PERROR(_("E294: Seek error in swap file read")); + return FAIL; + } +! if ((unsigned)vim_read(mfp->mf_fd, hp->bh_data, size) != size) + { + PERROR(_("E295: Read error in swap file")); + return FAIL; +--- 1049,1055 ---- + PERROR(_("E294: Seek error in swap file read")); + return FAIL; + } +! if ((unsigned)read_eintr(mfp->mf_fd, hp->bh_data, size) != size) + { + PERROR(_("E295: Read error in swap file")); + return FAIL; +*************** +*** 1168,1174 **** + } + #endif + +! if ((unsigned)vim_write(mfp->mf_fd, data, size) != size) + result = FAIL; + + #ifdef FEAT_CRYPT +--- 1168,1174 ---- + } + #endif + +! if ((unsigned)write_eintr(mfp->mf_fd, data, size) != size) + result = FAIL; + + #ifdef FEAT_CRYPT +*** ../vim-7.3.082/src/memline.c 2010-12-08 13:16:58.000000000 +0100 +--- src/memline.c 2010-12-17 15:46:49.000000000 +0100 +*************** +*** 2062,2068 **** + fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0); + if (fd >= 0) + { +! if (read(fd, (char *)&b0, sizeof(b0)) == sizeof(b0)) + { + if (STRNCMP(b0.b0_version, "VIM 3.0", 7) == 0) + { +--- 2062,2068 ---- + fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0); + if (fd >= 0) + { +! if (read_eintr(fd, &b0, sizeof(b0)) == sizeof(b0)) + { + if (STRNCMP(b0.b0_version, "VIM 3.0", 7) == 0) + { +*************** +*** 4392,4398 **** + fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0); + if (fd >= 0) + { +! if (read(fd, (char *)&b0, sizeof(b0)) == sizeof(b0)) + { + /* + * If the swapfile has the same directory as the +--- 4392,4398 ---- + fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0); + if (fd >= 0) + { +! if (read_eintr(fd, &b0, sizeof(b0)) == sizeof(b0)) + { + /* + * If the swapfile has the same directory as the +*** ../vim-7.3.082/src/os_unix.c 2010-10-20 19:17:43.000000000 +0200 +--- src/os_unix.c 2010-12-17 16:17:43.000000000 +0100 +*************** +*** 4454,4460 **** + ++noread_cnt; + while (RealWaitForChar(fromshell_fd, 10L, NULL)) + { +! len = read(fromshell_fd, (char *)buffer + # ifdef FEAT_MBYTE + + buffer_off, (size_t)(BUFLEN - buffer_off) + # else +--- 4454,4460 ---- + ++noread_cnt; + while (RealWaitForChar(fromshell_fd, 10L, NULL)) + { +! len = read_eintr(fromshell_fd, buffer + # ifdef FEAT_MBYTE + + buffer_off, (size_t)(BUFLEN - buffer_off) + # else +*** ../vim-7.3.082/src/undo.c 2010-11-03 19:32:36.000000000 +0100 +--- src/undo.c 2010-12-17 15:39:24.000000000 +0100 +*************** +*** 1386,1392 **** + char_u mbuf[UF_START_MAGIC_LEN]; + int len; + +! len = vim_read(fd, mbuf, UF_START_MAGIC_LEN); + close(fd); + if (len < UF_START_MAGIC_LEN + || memcmp(mbuf, UF_START_MAGIC, UF_START_MAGIC_LEN) != 0) +--- 1386,1392 ---- + char_u mbuf[UF_START_MAGIC_LEN]; + int len; + +! len = read_eintr(fd, mbuf, UF_START_MAGIC_LEN); + close(fd); + if (len < UF_START_MAGIC_LEN + || memcmp(mbuf, UF_START_MAGIC, UF_START_MAGIC_LEN) != 0) +*** ../vim-7.3.082/src/vim.h 2010-12-02 16:01:23.000000000 +0100 +--- src/vim.h 2010-12-17 14:55:04.000000000 +0100 +*************** +*** 1642,1647 **** +--- 1642,1652 ---- + # define USE_INPUT_BUF + #endif + ++ #ifndef EINTR ++ # define read_eintr(fd, buf, count) vim_read((fd), (buf), (count)) ++ # define write_eintr(fd, buf, count) vim_write((fd), (buf), (count)) ++ #endif ++ + #ifdef MSWIN + /* On MS-Windows the third argument isn't size_t. This matters for Win64, + * where sizeof(size_t)==8, not 4 */ +*** ../vim-7.3.082/src/version.c 2010-12-17 12:19:14.000000000 +0100 +--- src/version.c 2010-12-17 16:10:58.000000000 +0100 +*************** +*** 716,717 **** +--- 716,719 ---- + { /* Add new patch number below this line */ ++ /**/ ++ 83, + /**/ + +-- +How To Keep A Healthy Level Of Insanity: +9. As often as possible, skip rather than walk. + + /// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net \\\ +/// sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\ +\\\ an exciting new programming language -- http://www.Zimbu.org /// + \\\ help me help AIDS victims -- http://ICCF-Holland.org ///