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cwebp: let -- stop parameter parsing

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this enables cwebp to accept input files starting with '-'

Change-Id: I13b506886c3df8a4e8fb350f3d365eaf7e072a4a
This commit is contained in:
James Zern 2013-12-12 20:20:08 -08:00
parent a33831e21a
commit 98af68fe26
2 changed files with 6 additions and 1 deletions
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3
examples/cwebp.c
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@ -895,6 +895,9 @@ int main(int argc, const char *argv[]) {
#endif
} else if (!strcmp(argv[c], "-v")) {
verbose = 1;
} else if (!strcmp(argv[c], "--")) {
if (c < argc - 1) in_file = argv[++c];
break;
} else if (argv[c][0] == '-') {
fprintf(stderr, "Error! Unknown option '%s'\n", argv[c]);
HelpLong();

4
man/cwebp.1
View File

@ -1,5 +1,5 @@
.\" Hey, EMACS: -*- nroff -*-
.TH CWEBP 1 "October 23, 2013"
.TH CWEBP 1 "December 12, 2013"
.SH NAME
cwebp \- compress an image file to a WebP file
.SH SYNOPSIS
@ -255,6 +255,8 @@ cwebp \-q 50 -lossless picture.png \-o picture_lossless.webp
cwebp \-q 70 picture_with_alpha.png \-o picture_with_alpha.webp
.br
cwebp \-sns 70 \-f 50 \-size 60000 picture.png \-o picture.webp
.br
cwebp \-o picture.webp \-\- \-\-\-picture.png
.SH AUTHORS
\fBcwebp\fP was written by the WebP team.