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Added explicit param to get_line() to specify write buffer

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Bobbi Webber-Manners 2020-07-20 17:20:44 -04:00
parent 5c7265980f
commit e203ea3e0c
1 changed files with 9 additions and 7 deletions
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16
apps/email.c
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@ -497,13 +497,15 @@ void update_highlighted(void) {
}
/*
* Read a text file a line at a time leaving the line in linebuf[]
* Read a text file a line at a time
* Returns number of chars in the line, or -1 if EOF.
* Expects Apple ][ style line endings (CR) and does no conversion
* fp - file to read from
* reset - if 1 then just reset the buffer and return
* writep - Pointer to buffer into which line will be written
* pos - position in file is updated via this pointer
*/
int16_t get_line(FILE *fp, uint8_t reset, uint32_t *pos) {
int16_t get_line(FILE *fp, uint8_t reset, char *writep, uint32_t *pos) {
static uint16_t rd = 0; // Read
static uint16_t wt = 0; // Write
uint8_t found = 0;
@ -516,14 +518,14 @@ int16_t get_line(FILE *fp, uint8_t reset, uint32_t *pos) {
}
while (1) {
while (rd < wt) {
linebuf[j++] = buf[rd++];
writep[j++] = buf[rd++];
++(*pos);
if (linebuf[j - 1] == '\r') {
if (writep[j - 1] == '\r') {
found = 1;
break;
}
}
linebuf[j] = '\0';
writep[j] = '\0';
if (rd == wt) // Empty buf[]
rd = wt = 0;
if (found)
@ -821,10 +823,10 @@ restart:
fputs("\nSubject: ", stdout);
printfield(h->subject, 0, 70);
fputs("\n\n", stdout);
get_line(fp, 1, &pos); // Reset buffer
get_line(fp, 1, linebuf, &pos); // Reset buffer
while (1) {
if (!readp) {
if (get_line(fp, 0, &pos) == -1)
if (get_line(fp, 0, linebuf, &pos) == -1)
eof = 1;
readp = linebuf;
++linecount;