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support for comments to ignore lines

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use # as first character in a line to skip this line
from the slides.
This commit is contained in:
Jonas Jelten 2015-01-19 04:28:24 +01:00
parent da320f9c49
commit bf1151c51a
2 changed files with 6 additions and 2 deletions
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1
example
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@ -7,5 +7,6 @@ no bloat
how? how?
sent FILENAME sent FILENAME
one slide per line one slide per line
# comments
@FILE.png @FILE.png
thanks / questions? thanks / questions?

7
sent.c
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@ -440,19 +440,22 @@ void load(FILE *fp)
{ {
static size_t size = 0; static size_t size = 0;
char buf[BUFSIZ], *p; char buf[BUFSIZ], *p;
size_t i; size_t i = slidecount;
/* read each line from stdin and add it to the item list */ /* read each line from stdin and add it to the item list */
for (i = slidecount; fgets(buf, sizeof(buf), fp); i++) { while (fgets(buf, sizeof(buf), fp)) {
if ((i+1) * sizeof(*slides) >= size) if ((i+1) * sizeof(*slides) >= size)
if (!(slides = realloc(slides, (size += BUFSIZ)))) if (!(slides = realloc(slides, (size += BUFSIZ))))
eprintf("cannot realloc %u bytes:", size); eprintf("cannot realloc %u bytes:", size);
if (*buf == '#')
continue;
if ((p = strchr(buf, '\n'))) if ((p = strchr(buf, '\n')))
*p = '\0'; *p = '\0';
if (!(slides[i].text = strdup(buf))) if (!(slides[i].text = strdup(buf)))
eprintf("cannot strdup %u bytes:", strlen(buf)+1); eprintf("cannot strdup %u bytes:", strlen(buf)+1);
if (slides[i].text[0] == '@') if (slides[i].text[0] == '@')
slides[i].img = pngopen(slides[i].text + 1); slides[i].img = pngopen(slides[i].text + 1);
i++;
} }
if (slides) if (slides)
slides[i].text = NULL; slides[i].text = NULL;