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Avoid using the non-portable endian.h conversion functions - xscreenshot - scre… |
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git clone git://git.codemadness.org/xscreenshot |
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Log |
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Files |
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Refs |
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README |
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LICENSE |
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--- |
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commit b0165f794fa7eee32c3c29933f60d05e122e9c4d |
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parent 99787cb985153f007e66f2fd53e2279ee6f7333c |
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Author: Hiltjo Posthuma <[email protected]> |
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Date: Tue, 17 Nov 2015 21:20:54 +0100 |
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Avoid using the non-portable endian.h conversion functions |
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Use the arpa/inet.h conversion functions which are standardized |
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in POSIX. |
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Idea copied over from farbfeld (thanks stateless!). |
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Diffstat: |
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M config.mk | 2 +- |
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M xscreenshot.c | 9 ++++----- |
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2 files changed, 5 insertions(+), 6 deletions(-) |
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--- |
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diff --git a/config.mk b/config.mk |
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@@ -14,7 +14,7 @@ INCS = -I${X11INC} |
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LIBS = -L${X11LIB} -lX11 |
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# flags |
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-CPPFLAGS = -D_BSD_SOURCE -DVERSION=\"${VERSION}\" |
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+CPPFLAGS = -DVERSION=\"${VERSION}\" |
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# debug |
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CFLAGS = -O0 -g -std=c99 -Wall -pedantic ${INCS} ${CPPFLAGS} |
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diff --git a/xscreenshot.c b/xscreenshot.c |
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@@ -1,7 +1,6 @@ |
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/* see LICENSE / README for more info */ |
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#include <arpa/inet.h> |
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-#include <endian.h> |
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#include <errno.h> |
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#include <stdio.h> |
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#include <stdint.h> |
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@@ -77,10 +76,10 @@ main(int argc, char *argv[]) |
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for (h = 0; h < (uint32_t)img->height; h++) { |
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for (w = 0; w < (uint32_t)img->width; w++) { |
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tmp = XGetPixel(img, w, h); |
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- rgba[0] = htobe16((tmp & img->red_mask) >> 8); |
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- rgba[1] = htobe16(tmp & img->green_mask); |
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- rgba[2] = htobe16((tmp & img->blue_mask) << 8); |
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- rgba[3] = htobe16(65535); |
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+ rgba[0] = htons((tmp & img->red_mask) >> 8); |
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+ rgba[1] = htons(tmp & img->green_mask); |
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+ rgba[2] = htons((tmp & img->blue_mask) << 8); |
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+ rgba[3] = htons(65535); |
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if (fwrite(&rgba, 4 * sizeof(uint16_t), 1, stdout) != … |
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die("fwrite() failed"); |
