diff options
-rw-r--r-- | job.c | 2 | ||||
-rw-r--r-- | vmsjobs.c | 96 |
2 files changed, 53 insertions, 45 deletions
@@ -1233,6 +1233,8 @@ start_job_command (struct child *child) { if (*s == '"') instring = !instring; + else if (*s == '\\' && !instring && *(s+1) != 0) + s++; else if (*s == '\n' && !instring) { end = s; @@ -714,68 +714,74 @@ child_execute_job (char *argv, struct child *child) } #endif fprintf (outfile, "$ %.*s_ = f$verify(%.*s_1)\n", tmpstrlen, tmpstr, tmpstrlen, tmpstr); + + /* TODO: give 78 a name! Whether 78 is a good number is another question. + Trim, split and write the command lines. + Splitting of a command is done after 78 output characters at an + appropriate place (after strings, after comma or space and + before slash): appending a hyphen indicates that the DCL command + is being continued. + Trimming is to skip any whitespace around - including - a + leading $ from the command to ensure writing exactly one "$ " + at the beginning of the line of the output file. Trimming is + done when a new command is seen, indicated by a '\n' (outside + of a string). + The buffer so far is written and reset, when a new command is + seen, when a split was done and at the end of the command. + Only for ONESHELL there will be several commands separated by + '\n'. But there can always be multiple continuation lines. */ p = sep = q = cmd; for (c = '\n'; c; c = *q++) { switch (c) - { - case '\n': - /* At a newline, skip any whitespace around a leading $ - from the command and issue exactly one $ into the DCL. */ - while (isspace ((unsigned char)*p)) - p++; - if (*p == '$') - p++; - while (isspace ((unsigned char)*p)) - p++; - fwrite (p, 1, q - p, outfile); - fputc ('$', outfile); - fputc (' ', outfile); - /* Reset variables. */ - p = sep = q; - break; - - /* Nice places for line breaks are after strings, after - comma or space and before slash. */ - case '"': - q = vms_handle_apos (q); - sep = q; - break; - case ',': - case ' ': - sep = q; - break; - case '/': - case '\0': - sep = q - 1; - break; - default: - break; - } + { + case '\n': + if (q > p) + { + fwrite(p, 1, q - p, outfile); + p = q; + } + fputc('$', outfile); + fputc(' ', outfile); + while (isspace((unsigned char) *p)) + p++; + if (*p == '$') + p++; + while (isspace((unsigned char) *p)) + p++; + q = sep = p; + break; + case '"': + q = vms_handle_apos(q); + sep = q; + break; + case ',': + case ' ': + sep = q; + break; + case '/': + case '\0': + sep = q - 1; + break; + default: + break; + } if (sep - p > 78) { /* Enough stuff for a line. */ - fwrite (p, 1, sep - p, outfile); + fwrite(p, 1, sep - p, outfile); p = sep; if (*sep) { /* The command continues. */ - fputc ('-', outfile); + fputc('-', outfile); } - fputc ('\n', outfile); + fputc('\n', outfile); } } if (*p) { - /* At the end of the line, skip any whitespace around a leading $ - from the command because one $ was already written into the DCL. */ - while (isspace((unsigned char) *p)) - p++; - if (*p == '$') - p++; - while (isspace((unsigned char) *p)) - p++; fwrite(p, 1, --q - p, outfile); fputc('\n', outfile); } |