diff options
-rw-r--r-- | mdeliver.c | 19 | ||||
-rwxr-xr-x | t/1900-mdeliver.t | 69 |
2 files changed, 85 insertions, 3 deletions
diff --git a/mdeliver.c b/mdeliver.c index 27c4b9c..c9e00c5 100644 --- a/mdeliver.c +++ b/mdeliver.c @@ -147,6 +147,8 @@ try_again: int in_header = 1; int is_old = 0; + int prev_line_empty = 0; + int this_line_empty = 0; // only for mbox parsing while (1) { errno = 0; ssize_t rd = getdelim(&line, &linelen, '\n', infile); @@ -158,8 +160,12 @@ try_again: char *line_start = line; if (line[0] == '\n' && (!line[1] || - (line[1] == '\r' && !line[2]))) + (line[1] == '\r' && !line[2]))) { + this_line_empty = Mflag ? 1 : 0; in_header = 0; + } else { + this_line_empty = 0; + } if (Mflag && strncmp("From ", line, 5) == 0) break; @@ -189,8 +195,15 @@ try_again: } } - if (fwrite(line_start, 1, rd, outfile) != (size_t)rd) - goto fail; + // print delayed empty line + if (prev_line_empty) + if (fputc('\n', outfile) == EOF) + goto fail; + if (!this_line_empty) + if (fwrite(line_start, 1, rd, outfile) != (size_t)rd) + goto fail; + + prev_line_empty = this_line_empty; } if (fflush(outfile) == EOF) goto fail; diff --git a/t/1900-mdeliver.t b/t/1900-mdeliver.t new file mode 100755 index 0000000..179cbbe --- /dev/null +++ b/t/1900-mdeliver.t @@ -0,0 +1,69 @@ +#!/bin/sh -e +cd ${0%/*} +. ./lib.sh +plan 2 + +rm -rf test.dir +mkdir test.dir +cd test.dir + +mmkdir inbox + +cat <<EOF >tmp.1 +Subject: message 1 + +This is message 1. +EOF + +cat <<EOF >tmp.2 +Subject: message 2 + +This is message 2. It has a trailing empty line. + +EOF + +printf >tmp.3 'Subject: message 3 + +This is message 3. It has a no trailing newline, oops.' + +cat <<EOF >tmp.4 +Subject: message 4 + + + +This is message 4. It has multiple trailing empty lines. + + +EOF + +mexport ./tmp.1 | mdeliver -M inbox/ +check 'message 1 is delivered verbatim via mbox' 'cmp ./tmp.1 ./inbox/new/*:2,' +rm -f ./inbox/new/* + +mexport ./tmp.2 | mdeliver -M inbox/ +check 'message 2 is delivered verbatim via mbox' 'cmp ./tmp.2 ./inbox/new/*:2,' +rm -f ./inbox/new/* + +mexport ./tmp.3 | mdeliver -M inbox/ +check 'message 3 gets a newline via mbox' 'awk 1 ./tmp.3 | cmp - ./inbox/new/*:2,' +rm -f ./inbox/new/* + +mexport ./tmp.4 | mdeliver -M inbox/ +check 'message 4 gets delivered verbatim via mbox' 'cmp ./tmp.4 ./inbox/new/*:2,' +rm -f ./inbox/new/* + +mdeliver inbox/ <./tmp.1 +check 'message 1 is delivered verbatim via stdin' 'cmp ./tmp.1 ./inbox/new/*:2,' +rm -f ./inbox/new/* + +mdeliver inbox/ <./tmp.2 +check 'message 2 is delivered verbatim via stdin' 'cmp ./tmp.2 ./inbox/new/*:2,' +rm -f ./inbox/new/* + +mdeliver inbox/ <./tmp.3 +check 'message 3 gets a newline via stdin' 'cmp ./tmp.3 ./inbox/new/*:2,' +rm -f ./inbox/new/* + +mdeliver inbox/ <./tmp.4 +check 'message 4 is delivered verbatim via stdin' 'cmp ./tmp.4 ./inbox/new/*:2,' +rm -f ./inbox/new/* |